2,179 Mobile Network Operations jobs in the United Kingdom
Senior Network Engineer - Wireless Technologies
Posted 8 days ago
Job Viewed
Job Description
Responsibilities:
- Design, deploy, and manage robust and scalable wireless network infrastructures.
- Troubleshoot and resolve complex network issues, including performance bottlenecks and connectivity problems.
- Conduct network performance monitoring, analysis, and optimisation to ensure high availability and user experience.
- Develop and implement network security policies and procedures to protect against cyber threats.
- Evaluate and recommend new wireless technologies and solutions to enhance network capabilities.
- Create and maintain detailed network documentation, diagrams, and configurations.
- Collaborate with cross-functional teams, including software development and product management, to integrate network solutions.
- Participate in on-call rotation for network support and incident response.
- Stay abreast of the latest advancements in wireless communication standards and technologies.
- Mentor junior network engineers and provide technical guidance.
- Bachelor's degree in Computer Science, Electrical Engineering, Telecommunications, or a related field.
- 5-7+ years of experience in network engineering, with a strong focus on wireless technologies (Wi-Fi, 802.11 standards, Cellular - 4G/5G).
- Proficiency in network protocols (TCP/IP, BGP, OSPF) and wireless security protocols (WPA3, EAP).
- Experience with network monitoring tools (e.g., SolarWinds, Nagios) and packet analysis tools (e.g., Wireshark).
- Hands-on experience with network hardware from major vendors (e.g., Cisco, Aruba, Ruckus).
- Excellent analytical, problem-solving, and diagnostic skills.
- Strong understanding of network architecture and design principles.
- Ability to work independently and effectively in a remote team environment.
- Relevant certifications such as CWNP, CCNP Wireless, or equivalent are highly desirable.
Senior Network Engineer - 5G & Wireless
Posted 22 days ago
Job Viewed
Job Description
Location: Manchester, Greater Manchester, UK
Key Responsibilities:
- Design, implement, and manage 5G and wireless network infrastructure.
- Monitor network performance, troubleshoot issues, and ensure optimal operation.
- Configure and maintain network hardware, software, and security systems.
- Develop and implement network upgrade and expansion plans.
- Perform capacity planning and ensure network scalability.
- Conduct network security assessments and implement protective measures.
- Collaborate with cross-functional teams and vendors on network projects.
- Develop and maintain network documentation and diagrams.
- Automate network tasks and configurations using scripting tools.
- Stay updated with the latest trends and technologies in wireless networking.
- Bachelor's or Master's degree in Computer Science, Electrical Engineering, or a related field.
- Significant experience as a Network Engineer, with a focus on wireless and 5G technologies.
- In-depth knowledge of cellular network protocols (e.g., LTE, 5G NR).
- Proficiency in routing and switching protocols.
- Experience with network monitoring and analysis tools.
- Familiarity with network security principles and best practices.
- Experience with network automation tools and scripting languages is a plus.
- Strong problem-solving and analytical skills.
- Excellent communication and collaboration abilities.
Network Engineer
Posted today
Job Viewed
Job Description
Location:
Taunton (Hybrid, with potential for remote)
Clearance:
SC Cleared
Duration:
3 Months (Initial)
Day Rate:
£325
We're seeking an experienc
ed
Network & Firewall Engineer to join on a 3-month contract, supporting the delivery of secure, high-performance connectivity and resilience across a large enterprise environment.
This is a senior technical role where you'll act as the go-to authority on networking and firewall technologies, shaping and guiding the organisation's infrastructure strategy while also remaining hands-on in delivery.
What you'll be doing
- Leading on the design, configuration, and management of enterprise network infrastructure (LAN, WAN, VPN, SD-WAN).
- Overseeing firewall policies and network security zones (Cisco, Fortinet, Palo Alto or similar).
- Monitoring performance, resolving incidents, and ensuring service resilience.
- Supporting digital transformation projects by providing expert technical input.
- Mentoring and guiding engineers, setting standards, and driving best practices.
What we're looking for
- SC Cleared
and available at short notice. - Cisco CCNP-level knowledge and experience.
- Proven track record leading on enterprise networking and firewall management.
- Strong hands-on skills with network monitoring and diagnostic tools.
- Ability to influence and collaborate across technical teams and stakeholders.
Network Engineer
Posted today
Job Viewed
Job Description
Full Time, Permanent
The closing date for applications is 23.59 on 3rd October 2025
Interviews will be held: w/c 20th October
The University of Reading is an exciting and vibrant place to work where there are opportunities to get involved with a wide variety of work, from corporate systems to high profile research groups, and from the museums and archives to a working farm. The University offers a generous holiday allowance of 26 standard leave entitlement, 8 bank holiday and 6 closure days. We will provide a flexible, friendly working environment, good annual leave provision, training opportunities and the chance to work in an environment with a wide variety of challenges.
The Connectivity Team within Digital Technology Services (DTS) oversee the delivery and management of all secure, reliable and scalable network solutions across the campus infrastructure forming the foundation for all IT services across the University.
We are looking for a Network Engineer to join the team and help support the current infrastructure and assist in the delivery of our new network based on Juniper's IP-CLOS topology underpinned by Juniper Mist AI. Working with modern technology at an enterprise scale, this is a rare opportunity to learn and make a difference to the customers of the network
You must have the following to be considered for the role:
- Experience of working with network equipment at the edge, distribution and core.
- Associate Level certification or equivalent experience
- Knowledge of Network Access Control (NAC) products
- Experience of working with enterprise Wi-Fi
In addition, you should be able to:
- Demonstrate good working practices in a technical support environment.
- Experience of working within IT Service Management frameworks such as ITIL
You will have :
- Solid experience of working with enterprise networks
- Associate Level certification or equivalent experience
- Solid understanding of wireless networks and RF fundamentals
- Able to work on-site
The University is committed to having a diverse and inclusive workforce, supports the gender equality Athena SWAN Charter and the Race Equality Charter, and champions LGBT+ equality. We are a Disability Confident Employer (Level 2). Applications for job-share, part-time and flexible working arrangements are welcomed and will be considered in line with business needs.
Network Engineer
Posted today
Job Viewed
Job Description
We're making Africa the first cashless continent.
In 2017, over half the population in Sub-Saharan Africa had no bank account. That's for good reason—the fees are too high, the closest branch can be miles away, and nobody takes cards. Without access to financial institutions, people are forced to keep their savings under the mattress. Small business owners rely on lenders who charge extortionate rates. Parents spend hours waiting in line to pay school fees in cash.
We're solving this by building financial services that just work: no account fees, instantly available, and accepted everywhere. In places where electricity, water and roads don't always work, you can still send money with Wave. In 2017, we launched a mobile app in Senegal for cash deposit, withdrawal, and peer-to-peer and business payments. Now, we have millions of users across 9 countries and are growing fast.
Our goal is to make Africa the first cashless continent and that's where you come in.
Role SpecificitiesWe're looking for an engineer who is independent and excited about getting things done. You'll be responsible for building and improving the enterprise network infrastructure and have ownership of the service and its impact on employee productivity at Wave. You will own the entire networking stack and be responsible for Administration of all enterprise networking infrastructure, planning and implementation of systems as we rapidly scale our business.
In this role you'll:
- You'll join an autonomous team focused on a single area of Wave's IT org. You will report directly to the IT Director. Typically, you'll be responsible for network Infrastructure end-to-end, from design through deployment and maintenance.
- You will be joining at a time of transformation, in the IT organization evolving from a flat team structure to area of skilled ownership, along with the business is growing at a pace of taking ownership of projects and business needs such as:
- Network and Security Infrastructure:
- Dedicated administration for all office locations across 7+ countries of operations in Africa.
- Standardisation of network stack.
- Standardised approach to internet management across all geographical locations.
- Disaster Recovery ownership
- Network hardware lifecycle management: procurement, maintenance, management, monitoring
- Automations, for example:
- Orchestration of VLANs, VPNs, Zero Trust and firewall rules.
- Automated hardware configuration management
- Zero Touch deployments
- Networking monitoring, alerting and self-healing
- Traffic Engineering and Load Balancing
- Inventory and topology management
- Incident response
- Our stack (prior experience is a strong plus, but not required):
- Firewall: Palo Alto, Sophos
- Switching: Cisco, HPE
- WLAN: Cisco, Aruba, Sophos
- Automation: Python
- Orchestration: Puppet, Ansible
Remote
- You can work remotely as long as your working hours align with GMT +/- 1, with reliable Internet access as long as you have work authorization.
- Every year, you'll travel to Africa for a one-week immersion trip. (Wave covers all costs.)
- Our salaries are competitive and are calculated using a transparent formula. For this role, depending on your experience level and location, we are offering a salary of up to $166,900 USD (paid in your local currency equivalent) plus a generous equity package.
- Major benefits:
- Subsidized health insurance for you and your dependents and retirement contributions (both vary from country to country)
- 6 months fully paid parental leave and subsidized fertility assistance
- Unlimited vacation with a 20-day minimum requirement
- $10,000 annual charitable donation matching
- Minimum 5 years of professional experience as a Network Engineer.
- Experience as a Network Engineer managing multiple, international sites, including single sites of 2,000+ endpoints.
- Good communication skills with stakeholders and expectation management.
- Successful candidates must be willing to travel to our operating countries when required as part of your regular duties. For the first year, up to 50% travel may be required to review all the current setups.
- Have experience working closely with Data Center engineers.
- Speak French, or are interested in learning.
- Are excessively detail-oriented and seek to achieve excellence in everything you do.
- Are a self-starter and proactive about achieving ambitious targets.
- Love owning projects - you're autonomous yet know when to escalate problems.
- Willing to go the distance to get something done.
Are comfortable defaulting to over-communication and overreaching when it comes to coordination.
- We have a rapidly growing in-country team in Senegal, Côte d'Ivoire, Mali, Burkina Faso, The Gambia, Uganda, Niger, Sierra Leone, and Cameroon plus remote team members spread across the world.
- We're deeply passionate about our mission of bringing radically affordable financial services to the people who need them most.
- We foster autonomy for our employees. You'll own your projects at every stage, from understanding the problem to monitoring your solution in production.
- We raised the largest Series A in Africa in 2021. Our world-class investors, include Founders Fund, Sequoia Heritage, Stripe, Ribbit Capital, Y Combinator, and Partech Africa.
- We are on Y Combinator's top companies by revenue.
Fill out the form below, and upload a resume in English and a cover letter describing your interest in Wave and the role.
We review applications frequently and recommend that you apply to the role that most closely aligns with your skills, experience and career goals.
Wave is an equal-opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.
Network Engineer
Posted today
Job Viewed
Job Description
Job Category: Information Technology
Time Type: Full time
Minimum Clearance Required to Start: TS/SCI
Employee Type: Regular
Percentage of Travel Required: Up to 50%
Type of Travel: Local
Anticipated Posting End: There is not an anticipated end date for this posting since applications are needed on an ongoing basis.
Are you passionate about working with leading-edge technologies, on high-performing teams, and have a desire to learn valuable skills and experiences that will propel your career?
CACI's Transport & Cybersecurity Services (TCS) program is actively hiring a team of TS/SCI cleared Network Engineers to support an Intelligence Community customer's wide-area (WAN), local-area (LAN), and campus-area (CAN) networks across multiple security domains. We are seeking mission-focused network engineering professionals at various experience levels, with openings in multiple locations: Denver, CO / Miami, FL / Springfield, VA / St. Louis, MO
TCS offers a long-term, CACI prime contract opportunity supporting the National Geospatial-Intelligence Agency's (NGA) GEOINT mission. Our team of talented Network and Cybersecurity professionals help design, develop, procure, implement, operate/sustain, and enhance NGA networks and cybersecurity posture in support of national security.
For additional information and a list of current openings, please visit the TCS Jobs page on the CACI Careers site:
What You'll Get To Do
As a member of our TCS team, your focus will be on Network Engineering, new project requirements, and sustainment of existing infrastructure. These roles involve between 25% - 50% travel.
More About The Role
- Coordination of system maintenance, monitoring, and installation of multiple WAN/LAN environments encompassing multiple specializations, platforms, and technologies.
- Assist with research and implementation of enterprise system-wide network solutions/capabilities/enhancements to support customer business/mission goals and objectives.
- Troubleshoot and resolve network media and components.
- Evaluate and monitor the health and performance of the network including hardware and management software.
- Develop and maintain a road map for capabilities, operations, and technologies.
- Assist with the development and execution of test plans and supporting documentation of all network configuration upgrades, additions, or revisions for customer approval before implementation.
- Support network traffic analysis and bandwidth optimization efforts to ensure the attainment of performance and availability objectives.
- Evaluate and report on new/emerging network/communication technologies to enhance the capacity, performance, and reliability of the network.
- Evaluate and recommend changes and/or technology upgrades to address performance, standardization, and industry best practices
- Follows all Customer network security processes and procedures, and ensures compliance with all Government policies.
- Represent customer requirements in technical exchanges with other government agencies.
- Perform site surveys for new installations and technology refresh.
- Installs maintains, and troubleshoots satellite communications equipment.
- Develop and maintain network architecture diagrams.
You'll Bring These Qualifications
- TS/SCI (current)
- Must be able to successfully pass/maintain a U.S. Government Polygraph (post-hire)
- BA/BS Degree and typically between Four (4) and Ten (10) years of related technical experience in Network and Transport technologies, tools, and techniques. (Additional experience may be considered instead of a degree.)
- DoD and DoD M IAT Level II compliant
Skills & Technologies
- DoD Architecture Framework and other key DoD network architecture and strategic planning instructions
- Juniper, switches, routers, firewalls (MX, EX, SRX devices), and Cryptographic devices (KG-175G/X, KG-245A/X)
- Network analysis tools (HP/Microfocus Network Automation and Network Node Manager, Juniper Secure Analytics, Infoblox, Riverbed.)
- Juniper firewall/VPN equipment (SRX series)
- Supporting IP services to connect to NIPRNET, SIPRNET, and JWICS (IPv4, VPN, IPv6, Multicast, QOS, SDN, SNMP, VOIP, VTC, etc.)
- OSPF, BGP, MPLS, RSVP/LDP L2/3VPNs, VRFs, IKE/IPSec, GRE tunnels, MTU, FTP, Import/Export policies.
These Qualifications Would Be Nice To Have
- JNCIA, JNCIS, JNCIP, CISCO CCNP, CCVP, CCNA or CCDP (or equivalent)
- ITIL v3 Foundations
- ISC2 CISSP
This position is contingent on funding and may not be filled immediately. However, this position is representative of positions within CACI that are consistently available. Individuals who apply may also be considered for other positions at CACI.
___
What You Can Expect
A culture of integrity.
At CACI, we place character and innovation at the center of everything we do. As a valued team member, you'll be part of a high-performing group dedicated to our customer's missions and driven by a higher purpose – to ensure the safety of our nation.
An environment of trust.
CACI values the unique contributions that every employee brings to our company and our customers - every day. You'll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.
A focus on continuous growth.
Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy.
Your potential is limitless.
So is ours.
Learn more about CACI here.
___
Pay Range
: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits. Learn more here.
Since this position can be worked in more than one location, the range shown is the national average for the position.
The Proposed Salary Range For This Position Is
$75,200-$158,100
CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.
Network Engineer
Posted today
Job Viewed
Job Description
Network Engineer (Firepower+ Meraki)
Hybrid (2 days a week)
Contract (6+ Months)
Inside IR35
Canary Wharf, UK
Knowledge, skills, and abilities
- A solid network/security/cloud engineer with a strong focus on cloud hosted environments within AWS and Azure as well as excellent skills in firewall deployment, routing and switching.
- In-depth knowledge of design, implementation, configuration and testing of the following:
- Routing – OSPF, BGP, knowledge of route redistribution and manipulation.
- WAN - MPLS, Internet, VPN, SDWAN, understanding of circuit commissioning.
- Datacenter – ACI spine and leaf, APIC, VxLAN and distribution switching.
- Encryption - IPsec VPN, MACSec, configuring site-to-site VPN on routers and firewalls.
- Switching and L3 - HSRP, VRRP, GBLP, NTP, STP, RSTP, QoS, CoS, SVI, VLAN's, ACL's.
- WiFi – Cisco Meraki and Cisco Wireless LAN controllers with Lightweight APs.
- Firewalls – Cisco ASA/FirePOWER, Conversion from ASA code to Firepower, Checkpoint, Fortigate, ACL's, CSM/FMC.
Job purpose
- Provide last line support for solutions delivered by the engineering function in line with existing IT service management processes. Act as an escalation point, for the managed service, for problems pertaining to network technology and with a view to re-engineering.
- Perform all changes to organisation standards across the whole network stack, including cloud, on-premises datacenters, including internet edge and ACI Fabric, branch, WAN, and operate CSM/FMC to deploy firewall rules where required.
- To design and implement network connectivity between on premise datacenters and the cloud and within the cloud. This will require an extensive knowledge of Direct Connect, leveraged through Equinix Fabric and familiar with AWS DX gateways, AWS Transit Gateways (TGW) and site-to-site VPN, to connect other third parties into the cloud and the on-premises networks to the cloud. A thorough understanding of VPC and VPC peering is essential.
- Through knowledge of products across the AWS Market Place and familiar with setting up Cloud Services Routers (CSR's) and firewalls from multiple vendors. These firewalls could be dual stack with separate vendors with HA being essential. This may extend to Autoscaling. Experience of AWS Firewall is preferred.
- Knowledge of IPS at all layers across the firewalls is required along with an understanding of FirePOWER services.
- Experience of implementing ExpressRoute within a hybrid Exchange environment, using a combination of on-premises servers and M365 SaaS.
- Comfortable with firewall platforms such as Cisco ASA/FirePOWER, CheckPoint, multiple context firewalls from Cisco and CheckPoint and the tools used to deploy the rules such as Cisco CSM (Cisco Security Manager), Cisco FMC (FirePOWER Management Centre), Fortigate/Fortinet etc.
- Strong debugging skills are required with the ability to run packet captures and wireshark traces. Good working knowledge of ACL's.
- Good understanding of BGP and OSPF along with policy-based routing and prefixes lists. This routing knowledge should be across ASR/ISR and IOS-XE.
- A good understanding of NX-OS is required and any knowledge of ACI is preferred. Python and Postman is a bonus.
- Datacenter switching and routing comprises Cisco ACI Fabric with a spine and leaf topology. The engineer should be familiar with operation of ACI deployed within the core infrastructure. The datacenter also features firewalling between Tenants, such as Production, Secure Management and Dev/Test.
- Partners and vendors are connected via a separate VRF on the WAN and the webhosting environment features three tiered stacks (Cisco ASA, CheckPoint, Cisco ASA). Throughout this architecture, there are many DMZ's so there should be a thorough understanding of all these technologies.
- The engineer will also need to have a good knowledge of the tools used within the network, such as CMC for Riverbed, CSM for Cisco ASA, Voyager and CheckPoint Manager for CheckPoint, CPI for WiFi, ISE for NAC and future deployment of technology, such as TrustSec, RSA tools, Solarwinds Orion, Cisco ACS and Infoblox etc. A strong knowledge of WireShark is also required.
Qualifications / certifications:
· Engineering/Computer Science Degree or industry related qualifications, such as AWS and Cisco Certifications.
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Network Engineer
Posted 1 day ago
Job Viewed
Job Description
Location: London (Hybrid)
Employment Type: Permanent
Job Title: Network Engineer
This Network Engineer will be responsible for designing, implementing, and managing secure, low-latency, and scalable network infrastructure across both cloud and physical environments and will be a critical hands-on engineering role within a fast-moving digital asset business.
The primary purpose of this role is to act as a backup engineer for the Senior Network Engineer , providing operational support for all aspects of networking when required. Additionally, this role will provide operational support for Platform Engineering , ensuring stability and efficiency across systems.
While this is primarily an operations-focused position (around 75% operational support and 25% project work) , there will be opportunities to contribute to ongoing projects and infrastructure initiatives. Working closely with both Network and Platform Support Engineers, this role offers scope for professional growth, flexibility, and exposure across a wide range of technologies. The ideal candidate will bring a combination of networking and automation skills , with a strong desire to grow into a Platform Networking Engineer — someone who can solve platform issues but with a main focus on networking.
Role Responsibilities
Cloud & On-Prem Network Infrastructure
Lead the design, deployment, and operation of complex cloud (AWS & Azure) and on-prem network infrastructure. Architect and optimise connectivity for low-latency systems and ensure secure, scalable networking between platforms, datacentres, and cloud environments. Manage VPNs, segmentation, and hybrid environments.
Infrastructure as Code & Automation
Develop and maintain an automation framework using Terraform, Ansible, and other IaC tools. Build and manage network provisioning, compliance checks, and configuration drift remediation through GitOps principles. Identify opportunities to improve network operations with automation, AI, and low-code tools.
Network Security & Compliance
Implement and manage secure network architectures in line with best practices. Ensure compliance with relevant regulatory and security standards across perimeter networks, VPNs, firewalls, proxies, and DDoS protections. Support a Zero Trust model through segmentation and ZTNA policies.
Performance & Low-Latency Optimisation
Engineer networks for speed, efficiency, and resilience—particularly in support of high-performance financial systems. Monitor and analyse performance, recommend improvements, and ensure systems meet demanding SLAs. Support colocation near exchanges and manage high-throughput, low-latency routes.
Monitoring & Observability
Build and manage comprehensive monitoring and logging systems for network performance, latency, and availability. Implement observability frameworks using modern tools to provide real-time insight and support root-cause analysis.
Collaboration & Project Leadership
Act as a key stakeholder in cross-functional teams, working with Infrastructure, Security, DevOps, and Application teams to deliver secure and high-performance systems. Document design standards and mentor others in networking best practices. Lead major infrastructure initiatives from design through to implementation.
Support & Innovation
Continuously assess the evolving needs of the business and identify areas for innovation. Ensure rapid incident response and play a key role in the change and incident management process. Contribute to strategic technology decisions with a focus on resilient network design.
Professional Experience and Skills
- 3+ years in a Network Engineer or similar infrastructure-focused role
- Proven expertise in AWS networking (VPCs, Transit Gateway, Direct Connect, Security Groups, etc.)
- Experience designing and managing enterprise-grade LAN, WAN, VPN, and SASE networks
- Familiarity with Azure networking and hybrid cloud deployments
- Deep understanding of low-latency and high-availability network design
- Hands-on experience with network security (Firewalls, Proxies, Remote Access, DDoS, ZTNA)
- Proficient in Terraform, Ansible, and scripting for infrastructure automation
- Knowledge of GitOps, CI/CD pipelines, and automated network provisioning
- Exposure to monitoring tools and practices (NetFlow, packet capture, DNS/IPAM, etc.)
- Strong communication and documentation skills
- Experience working in regulated environments (CIS Benchmarks, compliance reporting)
- Bonus: CCNP or equivalent certification, and/or exposure to Web3 or digital assets
Network Engineer
Posted 1 day ago
Job Viewed
Job Description
Location: London (Hybrid)
Employment Type: Permanent
Job Title: Network Engineer
This Network Engineer will be responsible for designing, implementing, and managing secure, low-latency, and scalable network infrastructure across both cloud and physical environments and will be a critical hands-on engineering role within a fast-moving digital asset business.
The primary purpose of this role is to act as a backup engineer for the Senior Network Engineer , providing operational support for all aspects of networking when required. Additionally, this role will provide operational support for Platform Engineering , ensuring stability and efficiency across systems.
While this is primarily an operations-focused position (around 75% operational support and 25% project work) , there will be opportunities to contribute to ongoing projects and infrastructure initiatives. Working closely with both Network and Platform Support Engineers, this role offers scope for professional growth, flexibility, and exposure across a wide range of technologies. The ideal candidate will bring a combination of networking and automation skills , with a strong desire to grow into a Platform Networking Engineer — someone who can solve platform issues but with a main focus on networking.
Role Responsibilities
Cloud & On-Prem Network Infrastructure
Lead the design, deployment, and operation of complex cloud (AWS & Azure) and on-prem network infrastructure. Architect and optimise connectivity for low-latency systems and ensure secure, scalable networking between platforms, datacentres, and cloud environments. Manage VPNs, segmentation, and hybrid environments.
Infrastructure as Code & Automation
Develop and maintain an automation framework using Terraform, Ansible, and other IaC tools. Build and manage network provisioning, compliance checks, and configuration drift remediation through GitOps principles. Identify opportunities to improve network operations with automation, AI, and low-code tools.
Network Security & Compliance
Implement and manage secure network architectures in line with best practices. Ensure compliance with relevant regulatory and security standards across perimeter networks, VPNs, firewalls, proxies, and DDoS protections. Support a Zero Trust model through segmentation and ZTNA policies.
Performance & Low-Latency Optimisation
Engineer networks for speed, efficiency, and resilience—particularly in support of high-performance financial systems. Monitor and analyse performance, recommend improvements, and ensure systems meet demanding SLAs. Support colocation near exchanges and manage high-throughput, low-latency routes.
Monitoring & Observability
Build and manage comprehensive monitoring and logging systems for network performance, latency, and availability. Implement observability frameworks using modern tools to provide real-time insight and support root-cause analysis.
Collaboration & Project Leadership
Act as a key stakeholder in cross-functional teams, working with Infrastructure, Security, DevOps, and Application teams to deliver secure and high-performance systems. Document design standards and mentor others in networking best practices. Lead major infrastructure initiatives from design through to implementation.
Support & Innovation
Continuously assess the evolving needs of the business and identify areas for innovation. Ensure rapid incident response and play a key role in the change and incident management process. Contribute to strategic technology decisions with a focus on resilient network design.
Professional Experience and Skills
- 3+ years in a Network Engineer or similar infrastructure-focused role
- Proven expertise in AWS networking (VPCs, Transit Gateway, Direct Connect, Security Groups, etc.)
- Experience designing and managing enterprise-grade LAN, WAN, VPN, and SASE networks
- Familiarity with Azure networking and hybrid cloud deployments
- Deep understanding of low-latency and high-availability network design
- Hands-on experience with network security (Firewalls, Proxies, Remote Access, DDoS, ZTNA)
- Proficient in Terraform, Ansible, and scripting for infrastructure automation
- Knowledge of GitOps, CI/CD pipelines, and automated network provisioning
- Exposure to monitoring tools and practices (NetFlow, packet capture, DNS/IPAM, etc.)
- Strong communication and documentation skills
- Experience working in regulated environments (CIS Benchmarks, compliance reporting)
- Bonus: CCNP or equivalent certification, and/or exposure to Web3 or digital assets
Network Engineer
Posted 2 days ago
Job Viewed
Job Description
Network Engineer – Professional
Location: London, UK
Contract: 6 month contract
Salary: Competitive
About the Role
We’re looking for an experienced Network Engineer to join our IT Operations team and help maintain, secure, and optimize our hybrid network infrastructure across on-premises and cloud environments.
In this role, you’ll ensure the reliability and performance of our LAN, WAN, and cloud networks, working closely with managed service providers and internal stakeholders. You’ll play a key part in maintaining business-critical systems and contributing to strategic improvements in our network architecture.
Key Responsibilities
- Design, implement, and maintain secure and efficient LAN and WAN infrastructure across multiple sites.
- Manage internet connectivity and work with service providers to ensure high availability and performance.
- Configure, monitor, and maintain enterprise-grade firewalls to protect internal assets and enforce security policies.
- Design and manage Azure networking , including virtual networks, subnets, and routing.
- Deploy and maintain Azure Firewall and Web Application Firewall (WAF) to secure cloud workloads.
- Implement and support VPN solutions for both site-to-site and remote access.
- Use monitoring tools to proactively identify and troubleshoot network issues.
- Maintain clear network documentation and ensure compliance with policies and regulatory standards.
About You
You’ll bring a strong technical foundation and proven experience in hybrid network environments, along with a proactive, analytical approach to solving complex infrastructure challenges.
Essential skills and qualifications:
- Cisco Certified Network Professional (CCNP ) or equivalent experience.
- Microsoft Certified: Azure Network Engineer Associate (AZ-700) or equivalent experience in Azure networking and security.
- Proven experience managing enterprise network infrastructure, including firewalls, VPNs, and cloud networking.
- Strong understanding of security principles and risk management in hybrid environments.
- Excellent problem-solving and communication skills, with the ability to work collaboratively across teams.
Desirable:
- ITIL Foundation certification or experience in ITIL-aligned environments.
- Cisco Certified CyberOps Associate or other security-focused certifications.
- Experience with Infrastructure as Code tools such as Terraform.
- Knowledge of Zero Trust architecture principles.
- Experience in financial services or government environments.
Why Join Us
You’ll be part of a supportive and forward-thinking IT team where innovation and professional growth are encouraged. We offer a flexible working environment, opportunities for development, and the chance to make a tangible impact in a growing organisation.