80 Advanced Communication Networks jobs in London

Network & Infrastructure Engineer

Location: London / Hybrid

Salary: £40,000-£60,000

Overview

We are seeking an experienced Network & Infrastructure Engineer to design, implement, and support secure, scalable, and high-performing technology environments across our organisation.

This is an exciting opportunity to work at the cutting edge of Smart Building applications, IoT, IT/OT convergence to integrate building auto; HVAC, lighting, security and IoT with enterprise IT Systems.

This is a hybrid technical and stakeholder-facing role, combining hands-on engineering expertise with project delivery and business engagement skills. You’ll lead network and infrastructure initiatives end-to-end — from understanding user needs and translating them into technical designs, through to deployment, documentation, and optimisation.

The ideal candidate will have a strong grounding in network and security technologies, cloud infrastructure, and project management, with the ability to communicate effectively across technical and non-technical teams.

Key Responsibilities

Network & Infrastructure Design

• Design, deploy, and maintain network infrastructure including LAN/WAN, wireless, VPN, and firewalls.
• Configure and manage network segmentation, VLANs, and routing to support secure and efficient data flow.
• Oversee server, storage, and virtualisation environments (on-premise and/or cloud).
• Implement and maintain cloud connectivity and hybrid networking (Azure/AWS VPNs, ExpressRoute, etc.).

Security & Compliance

• Ensure network and infrastructure security align with organisational policies and standards (ISO27001, GDPR, etc.).
• Configure and monitor firewalls, intrusion detection/prevention systems, and endpoint security solutions.
• Support identity and access management, MFA, and secure network access policies.
• Conduct regular vulnerability assessments, patch management, and system hardening.

Project Management & Delivery

• Lead infrastructure and network projects from scoping through delivery, ensuring quality, cost, and time objectives are met.
• Define technical requirements and translate business needs into deliverable solutions.
• Develop and maintain project documentation including architecture diagrams, risk registers, and deployment guides.
• Manage vendors, suppliers, and third-party contractors to ensure aligned delivery outcomes.
• Apply structured project management methodologies (Agile, Prince2, or hybrid).

Stakeholder Engagement & Collaboration

• Act as a trusted advisor to internal teams and business units, gathering and translating technical requirements into actionable solutions.
• Collaborate closely with IT, Operations, Security, and external partners to ensure seamless integration and delivery.
• Communicate complex technical concepts in clear, non-technical language for diverse audiences.
• Provide updates and reports on project progress, risks, and mitigations to leadership and stakeholders.

Operations & Support

• Provide third-line support for network and infrastructure incidents and escalations.
• Monitor system performance and implement improvements to enhance reliability and scalability.
• Maintain detailed documentation of infrastructure, configurations, and changes.
• Participate in an on-call or escalation rota as required.

Qualifications & Experience

Essential:

• 5+ years’ experience in network and infrastructure engineering roles.
• Proven experience managing and delivering technical projects end-to-end.
• Strong knowledge of IP networking, routing, switching, VLANs, VPNs, and firewall configuration (Cisco, Fortinet, Palo Alto, etc.).
• Hands-on experience with cloud platforms (Microsoft Azure, AWS, or equivalent).
• Familiarity with Active Directory, Azure AD, DNS, DHCP, Group Policy, and M365 environments.
• Strong understanding of cybersecurity principles, access control, and encryption standards.
• Excellent communication, stakeholder engagement, and documentation skills.

Desirable:

• Relevant certifications (CCNA, CCNP, CompTIA Network+/Security+, Azure Administrator, etc.).
• Experience with infrastructure automation or scripting (PowerShell, Python).
• Knowledge of monitoring and observability tools (SolarWinds, PRTG, Grafana, etc.).
• Experience with ITIL practices and ServiceNow or equivalent ticketing systems.

Personal Attributes

• Technically curious, proactive, and solutions oriented.
• Confident engaging with technical and business stakeholders alike.
• Comfortable balancing hands-on technical work with structured project delivery.
• Strong organisational and time-management skills with a focus on quality and outcomes.

Why Join Us

• Be part of a forward-thinking technology function driving innovation and digital transformation.
• Work on diverse infrastructure and security projects with tangible business impact.
• Opportunities for ongoing professional development and certification.
• Supportive and collaborative environment where technical excellence is valued.

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.

We'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.

Responsibility:

1. Provide back line technical assistant and support to System Integration, Distributor and T2 channel partner.

2. Establish the services process system (Services Support, RMA process, etc.) with the covering countries and be responsible for the quality of services deliver in those countries;

3. Develop channel partner/system integration/distributor support skill by managing and conducting Post Sales technical training (Certified Training)/workshop regularly；

4. Close collaborate with 2nd Level (TAC) support team to address partner(s) and end customer support requests;

5. Collaborate with R&D team to conduct new product feature and POC tests, help to release to the global market.

Requirement:

1. To have 3 Years technical experience on sales support, maintain of enterprise network products (any of) main stream vendors: Cisco Systems, Hewlett Packard Enterprise, Aruba, Ruckus, Huawei Enterprise, Juniper Networks and working in system integration or value-add distributor;

2. Strong responsibility and ability to integrated resource;

3. Able to speak English fluently,can speak Chinese is prefer;

4. Technical skills in Switching, Routing, Wireless LAN, and Network Orchestration/Integration is mandatory, additional experience in campus networks are added advantages;

5. Certified professional with (any of): CCNP/CCIE (Cisco Systems), ASE/Master ASE (HP Enterprise), Aruba Certified Mobility Professional (ACMP), HCNP/HCIE (Huawei Enterprise), JNCIP/JNCIE (Juniper Networks);

6. Have good interpersonal skill and able to communicate in all level.

Network & Infrastructure Engineer

Location: London / Hybrid

Salary: £40,000-£60,000

Overview

We are seeking an experienced Network & Infrastructure Engineer to design, implement, and support secure, scalable, and high-performing technology environments across our organisation.

This is an exciting opportunity to work at the cutting edge of Smart Building applications, IoT, IT/OT convergence to integrate building auto; HVAC, lighting, security and IoT with enterprise IT Systems.

This is a hybrid technical and stakeholder-facing role, combining hands-on engineering expertise with project delivery and business engagement skills. You’ll lead network and infrastructure initiatives end-to-end — from understanding user needs and translating them into technical designs, through to deployment, documentation, and optimisation.

The ideal candidate will have a strong grounding in network and security technologies, cloud infrastructure, and project management, with the ability to communicate effectively across technical and non-technical teams.

Key Responsibilities

Network & Infrastructure Design

• Design, deploy, and maintain network infrastructure including LAN/WAN, wireless, VPN, and firewalls.
• Configure and manage network segmentation, VLANs, and routing to support secure and efficient data flow.
• Oversee server, storage, and virtualisation environments (on-premise and/or cloud).
• Implement and maintain cloud connectivity and hybrid networking (Azure/AWS VPNs, ExpressRoute, etc.).

Security & Compliance

• Ensure network and infrastructure security align with organisational policies and standards (ISO27001, GDPR, etc.).
• Configure and monitor firewalls, intrusion detection/prevention systems, and endpoint security solutions.
• Support identity and access management, MFA, and secure network access policies.
• Conduct regular vulnerability assessments, patch management, and system hardening.

Project Management & Delivery

• Lead infrastructure and network projects from scoping through delivery, ensuring quality, cost, and time objectives are met.
• Define technical requirements and translate business needs into deliverable solutions.
• Develop and maintain project documentation including architecture diagrams, risk registers, and deployment guides.
• Manage vendors, suppliers, and third-party contractors to ensure aligned delivery outcomes.
• Apply structured project management methodologies (Agile, Prince2, or hybrid).

Stakeholder Engagement & Collaboration

• Act as a trusted advisor to internal teams and business units, gathering and translating technical requirements into actionable solutions.
• Collaborate closely with IT, Operations, Security, and external partners to ensure seamless integration and delivery.
• Communicate complex technical concepts in clear, non-technical language for diverse audiences.
• Provide updates and reports on project progress, risks, and mitigations to leadership and stakeholders.

Operations & Support

• Provide third-line support for network and infrastructure incidents and escalations.
• Monitor system performance and implement improvements to enhance reliability and scalability.
• Maintain detailed documentation of infrastructure, configurations, and changes.
• Participate in an on-call or escalation rota as required.

Qualifications & Experience

Essential:

• 5+ years’ experience in network and infrastructure engineering roles.
• Proven experience managing and delivering technical projects end-to-end.
• Strong knowledge of IP networking, routing, switching, VLANs, VPNs, and firewall configuration (Cisco, Fortinet, Palo Alto, etc.).
• Hands-on experience with cloud platforms (Microsoft Azure, AWS, or equivalent).
• Familiarity with Active Directory, Azure AD, DNS, DHCP, Group Policy, and M365 environments.
• Strong understanding of cybersecurity principles, access control, and encryption standards.
• Excellent communication, stakeholder engagement, and documentation skills.

Desirable:

• Relevant certifications (CCNA, CCNP, CompTIA Network+/Security+, Azure Administrator, etc.).
• Experience with infrastructure automation or scripting (PowerShell, Python).
• Knowledge of monitoring and observability tools (SolarWinds, PRTG, Grafana, etc.).
• Experience with ITIL practices and ServiceNow or equivalent ticketing systems.

Personal Attributes

• Technically curious, proactive, and solutions oriented.
• Confident engaging with technical and business stakeholders alike.
• Comfortable balancing hands-on technical work with structured project delivery.
• Strong organisational and time-management skills with a focus on quality and outcomes.

Why Join Us

• Be part of a forward-thinking technology function driving innovation and digital transformation.
• Work on diverse infrastructure and security projects with tangible business impact.
• Opportunities for ongoing professional development and certification.
• Supportive and collaborative environment where technical excellence is valued.

Job Title: Network Engineer – Graduate

Location: UK – Hybrid 2/3 days a week in Central London

Type: Permanent

Salary: Up to £40,000 DOE

About the Company

MDE are working with a fast-growing independent electricity distribution business, transforming how new developments connect to the grid. Their mission is to deliver grid connections safely, efficiently, and sustainably, while building excellent relationships with customers, contractors, and internal teams.

As they expand across the UK, they are strengthening their technical and operational teams to support their growth - and we are looking for ambitious individuals who want to grow their career in the power systems and electricity distribution sector.

Role Overview

We are seeking a Network & Systems Support Engineer – Graduate to join our clients operations and engineering teams.

This is an excellent opportunity for a graduate in Electrical Engineering, Power Systems, or Energy Engineering who wants to gain hands-on experience in network operations, documentation management, and compliance. The role offers a blend of technical understanding, process coordination, and stakeholder management - ideal for someone who enjoys both technical problem-solving and ensuring smooth operations.

Key Responsibilities

• Support the creation, management, and tracking of network documentation including single-line diagrams, cable schedules, and asset registers.
• Assist in monitoring and reporting on network performance, outages, and reliability indices.
• Coordinate with internal teams, contractors, ICPs, and engineers to ensure efficient work orders, site access, and documentation flow.
• Conduct basic technical reviews of designs and documentation, flagging issues to the engineering team.
• Manage work ordering, purchase requests, and contract administration.
• Maintain and update GIS systems, network modelling tools, and data spreadsheets.
• Help prepare dashboards, KPIs, and reports for senior management.
• Support compliance tracking and ensure documentation aligns with technical standards and regulations.
• Contribute to continuous improvement projects, streamlining processes and workflows within network operations.

Requirements & Qualifications

• Degree (or equivalent) in Electrical Engineering, Power Systems, Energy Engineering, or a closely related discipline.
• Strong technical understanding or interest in medium- and high-voltage networks (experience with 33kV is a plus).
• Excellent organisational skills with attention to detail and the ability to manage multiple priorities.
• Strong documentation, coordination, and communication skills with a proactive, team-oriented attitude.
• Proficiency in Microsoft Office (Excel, PowerPoint); familiarity with GIS, CAD, or network modelling tools is advantageous.
• Willingness to learn technical standards, codes, and procedures relevant to electricity distribution.

Why This Role is Attractive

• Gain direct exposure to UK electricity distribution networks and operational processes.
• Work closely with experienced engineers and network specialists to deepen your technical expertise.
• A mix of technical, analytical, and coordination work - ideal for building a strong foundation in network operations.
• Contribute to the safe, sustainable growth of the UK’s electricity network at a time of major industry transformation.

• Design, implement, and manage complex network infrastructures.
• Ensure high availability, performance, and reliability of network services.
• Configure and maintain routers, switches, firewalls, and other network devices.
• Develop and manage VPN solutions and secure remote access.
• Monitor network performance and troubleshoot network-related issues.
• Implement and manage network security measures to protect against threats.
• Plan and execute network upgrades and migrations.
• Collaborate with other IT teams on infrastructure projects.
• Develop and maintain network documentation.
• Provide technical expertise and support for network-related inquiries.
• Stay up-to-date with emerging network technologies and best practices.

• Significant experience as a Network Engineer, with a focus on enterprise networks.
• In-depth knowledge of TCP/IP, routing protocols (BGP, OSPF), switching, and VLANs.
• Experience with network security technologies (e.g., firewalls, IDS/IPS, VPNs).
• Proficiency in network monitoring and troubleshooting tools.
• Experience with cloud networking (AWS, Azure) is a plus.
• Strong analytical and problem-solving skills.
• Excellent communication and collaboration abilities.
• Ability to work effectively in a hybrid environment.
• Relevant network certifications (e.g., CCNA, CCNP, JNCIS).
• Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent experience.

• Design, configure, and deploy complex network solutions, including routers, switches, firewalls, and load balancers.
• Monitor network performance and troubleshoot network issues, ensuring high availability and optimal performance.
• Implement and manage network security measures to protect against cyber threats.
• Develop and maintain network documentation, including diagrams, configurations, and procedures.
• Collaborate with cross-functional teams to support network-related projects and initiatives.
• Participate in on-call rotations to provide emergency network support.
• Stay current with emerging network technologies and industry best practices.
• Conduct capacity planning and performance tuning to ensure network scalability.
• Manage vendor relationships and evaluate new network hardware and software.
• Provide technical leadership and mentorship to junior network engineers.

• Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent practical experience.
• 5+ years of experience in network engineering, with a focus on enterprise or service provider environments.
• In-depth knowledge of TCP/IP, BGP, OSPF, MPLS, VLANs, and other routing and switching protocols.
• Experience with network security concepts and technologies (e.g., VPNs, ACLs, IDS/IPS).
• Proficiency with network monitoring tools (e.g., SolarWinds, Nagios).
• Experience with Cisco, Juniper, or other major network hardware vendors.
• Relevant certifications such as CCNA, CCNP, or JNCIS are highly desirable.
• Strong analytical and problem-solving skills.
• Excellent communication and teamwork abilities.
• Ability to work effectively in a fast-paced, demanding environment.

• Design, configure, and maintain robust and scalable network infrastructure.
• Oversee the implementation and deployment of new network technologies and hardware.
• Ensure network security by implementing and managing firewalls, VPNs, and intrusion detection systems.
• Monitor network performance, identify bottlenecks, and implement optimisation strategies.
• Lead troubleshooting efforts for complex network issues, ensuring rapid resolution.
• Develop and maintain network documentation, including diagrams and configuration details.
• Collaborate with cross-functional teams to support business requirements and projects.
• Mentor and provide technical guidance to junior network engineers.
• Research and evaluate new network technologies to enhance performance and security.
• Develop and implement network automation solutions to improve efficiency.

• Bachelor's degree in Computer Science, Information Technology, or a related field.
• CCNP or CCIE certification (or equivalent experience).
• Minimum of 7 years of experience in network engineering and administration.
• In-depth knowledge of TCP/IP, routing protocols (BGP, OSPF), and switching technologies.
• Experience with network security best practices and firewall management.
• Proficiency with network monitoring and analysis tools (e.g., SolarWinds, Wireshark).
• Experience with cloud networking platforms (AWS, Azure) is a strong advantage.
• Strong analytical and problem-solving skills.
• Excellent communication and interpersonal abilities.
• Ability to work independently and as part of a team in a high-pressure environment.

• Design, deploy, and manage enterprise-level IP networks, including routers, switches, firewalls, and load balancers.
• Develop and implement network security policies and procedures to protect against cyber threats.
• Monitor network performance and identify potential bottlenecks or areas for improvement.
• Conduct root cause analysis for network incidents and implement corrective actions.
• Collaborate with vendors and stakeholders to evaluate and integrate new network technologies.
• Develop and maintain comprehensive network documentation.
• Provide technical leadership and mentorship to junior engineering staff.
• Participate in on-call rotation to provide 24/7 support for critical network issues.
• Stay abreast of industry trends and emerging technologies in telecommunications and networking.
• Ensure compliance with relevant industry standards and regulations.

• Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent practical experience.
• Minimum of 5-7 years of experience in network engineering, with a focus on telecommunications.
• Proven expertise in BGP, OSPF, MPLS, and other routing protocols.
• Strong understanding of TCP/IP, DNS, DHCP, and other network services.
• Experience with network security technologies such as firewalls (e.g., Palo Alto, Cisco ASA), VPNs, and IDS/IPS.
• Familiarity with network monitoring tools (e.g., SolarWinds, Nagios).
• Excellent problem-solving and analytical skills.
• Strong communication and interpersonal skills, with the ability to explain complex technical concepts to non-technical audiences.
• Relevant industry certifications (e.g., CCNP, CCIE) are highly desirable.
• Experience with cloud networking concepts (e.g., AWS, Azure) is a plus.
• Ability to work effectively in a hybrid work environment, balancing remote and in-office collaboration.