1,673 Network Engineering jobs in the United Kingdom

Role: Infrastructure Engineer - Production Network Engineering

Location: Knutsford, UK

Type: Permanent

Nature: 2 days onsite in office

Purpose of the role

To build and maintain infrastructure platforms and products that support applications and data systems, using hardware, software, networks, and cloud computing platforms as required with the aim of ensuring that the infrastructure is reliable, scalable, and secure. Ensure the reliability, availability, and scalability of the systems, platforms, and technology through the application of software engineering techniques, automation, and best practices in incident response.

Vice President Expectations

• To contribute or set strategy, drive requirements and make recommendations for change. Plan resources, budgets, and policies; manage and maintain policies/ processes; deliver continuous improvements and escalate breaches of policies/procedures.
• If managing a team, they define jobs and responsibilities, planning for the department's future needs and operations, counselling employees on performance and contributing to employee pay decisions/changes. They may also lead a number of specialists to influence the operations of a department, in alignment with strategic as well as tactical priorities, while balancing short and long term goals and ensuring that budgets and schedules meet corporate requirements.
• If the position has leadership responsibilities, People Leaders are expected to demonstrate a clear set of leadership behaviours to create an environment for colleagues to thrive and deliver to a consistently excellent standard. The four LEAD behaviours are: L - Listen and be authentic, E - Energise and inspire, A - Align across the enterprise, D - Develop others.
• OR for an individual contributor, they will be a subject matter expert within own discipline and will guide technical direction. They will lead collaborative, multi-year assignments and guide team members through structured assignments, identify the need for the inclusion of other areas of specialisation to complete assignments. They will train, guide and coach less experienced specialists and provide information affecting long term profits, organisational risks and strategic decisions.
• Advise key stakeholders, including functional leadership teams and senior management on functional and cross functional areas of impact and alignment.

To be successful in this role as an Infrastructure Engineer - Production Network Engineering, you should possess the following skillsets:

• Extensive experience as an individual contributor in the design, build and operate of network products across all 7 layers of the OSI stack from physical through to virtual. Experienced understanding of Layer 1 - 4 Protocols such as G.9802.1/WDM, Ethernet, VXLAN, TCP/IP, BGP, OSPF, IS-IS, Access Transport for example PON, xDSL, DOCSIS, FWA, Wireless Standards for example Wi-Fi, LTE, 5G, MEF Standards for example CE.3.0, LSO, Overlay IP/VPN technologies such as RFC2547bis, RFC7432, RFC8365/RFC9746, Software Defined Networking and Network Instrumentation technologies for example gNMI/gRPC, Y.1731, Y.1564, TWAMP
• Experience of virtual infrastructure ecosystems for example Openstack, Kubernetes, QEMU, KVM, HCI across Cloud Platforms (Public/Private/Hybrid) and uCPE Platforms (x86, aRM), including open networking technologies for example routing daemons (FRR, Bird, GoBGP), ONF stack, LINUX Networking (eBFF, VPP, AF_XDP), DENT, SONiC or Cumulus
• Good experience in network programming/automation, IaC, configuration management tools and data modelling for example RESTCONF, NETCONF/YANG, Python, Ansible, Saltstack, Terraform, CloudFormation, ARM; with demonstrable experience of DevOps, agile methodologies and CI/CD pipelines

GCS is acting as an Employment Agency in relation to this vacancy.

• Lead the design, development, and implementation of cutting-edge telecommunications network infrastructure.
• Oversee network architecture, capacity planning, and performance optimization.
• Ensure the security, reliability, and availability of the company's network services.
• Manage and mentor a team of network engineers, fostering a culture of innovation and continuous improvement.
• Develop and enforce network standards, policies, and procedures.
• Troubleshoot and resolve complex network issues, ensuring minimal disruption to services.
• Collaborate with cross-functional teams to integrate new technologies and enhance network capabilities.
• Manage vendor relationships and stay current with emerging telecommunications technologies.

• Master's degree in Electrical Engineering, Computer Science, Telecommunications, or a related field.
• 10+ years of experience in telecommunications network engineering, with at least 3 years in a leadership role.
• Extensive knowledge of IP networking, routing protocols, wireless technologies (5G, LTE), and fiber optics.
• Experience with cloud networking and SDN principles.
• Proven ability to manage large-scale network projects.
• Strong leadership, communication, and problem-solving skills.
• Relevant industry certifications (e.g., Cisco CCIE, JNCIE) are highly desirable.

Job Title: Senior Network Design Engineer
Location: Basingstoke (Hybrid)
Salary: £55,000 + £,000 car allowance + 10% bonus
Security Clearance: Must be eligible for SC clearance

Join a Growing Team Delivering Cutting-Edge Network Solutions in Defence and National Security

Are you an experienced Network Design Engineer looking for a hands-on role in a highly secure, fast-paced environment? Our client are expanding their expert team and seeking a Senior Network Design Engineer to contribute to exciting new project delivery work within the defence and national security sector.

This is not a support role – youll be directly involved in designing, configuring, and delivering secure networks for new business and contracted projects.

What Youll Be Doing:

• Collaborating with engineers and designers to deliver network solutions for secure environments.
• Developing, updating, and maintaining High-Level Designs (HLDs) and Low-Level Designs (LLDs).
• Hands-on configuration of network equipment and security devices.
• Implementing small-to-medium LLD updates (e.g., firewall/switch changes).
• Engaging with stakeholders to understand technical requirements and align designs accordingly.
• Supporting the full project lifecycle from requirements gathering to operational handover.
What Were Looking For:
• 5+ years experience in network engineering or support with strong design and delivery exposure.
• Solid experience with Juniper/Cisco technologies
• Understanding of network security, including firewalls, IDS/IPS, and VPNs.
• Comfortable with a multi-vendor environment – adaptable and eager to learn new technologies.
• Proficiency with network design tools (e.g., Visio) and documentation standards.
• Good grasp of virtualisation and infrastructure – experience with physical and virtual environments.
• Ability to communicate effectively across technical and non-technical teams.
• Eligible for SC clearance (must obtain DV during probation – support will be provided).

Desirable Skills:
• Certifications: CCNA, CCNP, JNCIA, or equivalent.
• Experience with:
o F5, Cisco Secure Firewall, Gigamon
o Network monitoring tools: SolarWinds, Nagios
o Routing protocols, VLANs, VRFs, and security zones
o Performance and capacity testing of cyber tools
• Familiarity with virtualisation platforms: VMware, KVM, Xen, Proxmox, etc.

Why Join?
• Work on high-impact national security projects.
• Be part of a collaborative team of 5+ engineers and designers.
• Receive training and support across Cisco and Juniper technologies.
• Opportunities for career development and progression.
• Competitive compensation package with performance incentives.

Job Title: Senior Network Design Engineer
Location: Basingstoke (Hybrid)
Salary: £55,000 + £6,000 car allowance + 10% bonus
Secu ty Clearance: Must be eligible for SC clearance

Job Title: Senior Network Design Engineer
Location: Basingstoke (Hybrid)
Salary: £55,000 + £,000 car allowance + 10% bonus
Security Clearance: Must be eligible for SC clearance

Join a Growing Team Delivering Cutting-Edge Network Solutions in Defence and National Security

Are you an experienced Network Design Engineer looking for a hands-on role in a highly secure, fast-paced environment? Our client are expanding their expert team and seeking a Senior Network Design Engineer to contribute to exciting new project delivery work within the defence and national security sector.

This is not a support role – youll be directly involved in designing, configuring, and delivering secure networks for new business and contracted projects.

What Youll Be Doing:

• Collaborating with engineers and designers to deliver network solutions for secure environments.
• Developing, updating, and maintaining High-Level Designs (HLDs) and Low-Level Designs (LLDs).
• Hands-on configuration of network equipment and security devices.
• Implementing small-to-medium LLD updates (e.g., firewall/switch changes).
• Engaging with stakeholders to understand technical requirements and align designs accordingly.
• Supporting the full project lifecycle from requirements gathering to operational handover.
What Were Looking For:
• 5+ years experience in network engineering or support with strong design and delivery exposure.
• Solid experience with Juniper/Cisco technologies
• Understanding of network security, including firewalls, IDS/IPS, and VPNs.
• Comfortable with a multi-vendor environment – adaptable and eager to learn new technologies.
• Proficiency with network design tools (e.g., Visio) and documentation standards.
• Good grasp of virtualisation and infrastructure – experience with physical and virtual environments.
• Ability to communicate effectively across technical and non-technical teams.
• Eligible for SC clearance (must obtain DV during probation – support will be provided).

Desirable Skills:
• Certifications: CCNA, CCNP, JNCIA, or equivalent.
• Experience with:
o F5, Cisco Secure Firewall, Gigamon
o Network monitoring tools: SolarWinds, Nagios
o Routing protocols, VLANs, VRFs, and security zones
o Performance and capacity testing of cyber tools
• Familiarity with virtualisation platforms: VMware, KVM, Xen, Proxmox, etc.

Why Join?
• Work on high-impact national security projects.
• Be part of a collaborative team of 5+ engineers and designers.
• Receive training and support across Cisco and Juniper technologies.
• Opportunities for career development and progression.
• Competitive compensation package with performance incentives.

Job Title: Senior Network Design Engineer
Location: Basingstoke (Hybrid)
Salary: £55,000 + £6,000 car allowance + 10% bonus
Secu ty Clearance: Must be eligible for SC clearance

Network Design Engineer

Location: Basingstoke (hybrid)

Salary: £55,000–£0,000 (DOE) + ,000 car allowance + 10% bonus

Security Clearance Requirement:

Due to the nature of the work, you must be eligible for DV Clearance – this means you must be a sole British passport holder.

We are seeking an experienced Network Design Engineer to join a high-performing team. This is a project delivery role – not a support desk position – with a strong emphasis on network security .

You will work alongside other design engineers to understand business and technical requirements, produce design collateral, ensure solutions meet governance and security standards, and provide hands-on configuration, implementation, and troubleshooting support.

Key Responsibilities:

• Design and deploy functional networks (LAN, WAN) to meet customer needs.
• Implement network security measures, including IDS/IPS, firewalls, and secure zones.
• Configure and troubleshoot network devices across multiple vendors (Cisco, Juniper, F5, Gigamon).
• Support project delivery from requirements gathering through to operational acceptance.
• Collaborate with stakeholders to define requirements and resolve technical challenges.
• Maintain detailed documentation, including network diagrams and operational procedures.
• Mentor junior engineers and contribute to skills development within the team.
• Evaluate and recommend new networking technologies.

Essential Skills & Experience:

• Strong networking knowledge with certifications such as Cisco CCNA/CCNP or Juniper JNCIS-ENT.
• Experience with routing protocols, VPNs, and virtual routing instances.
• Proficiency in Cisco and Juniper network design and troubleshooting.
• Hands-on experience with network security products and processes.
• Understanding of network management and monitoring tools (e.g., SolarWinds, Nagios).
• Excellent problem-solving, documentation, and communication skills.

Additional Beneficial Skills:

• Familiarity with virtualization technologies (VMware, KVM, Proxmox, etc.).
• Knowledge of data centre networking.

If you’re an experienced Network Design Engineer looking to work on impactful, highly secure projects with opportunities for progression, we’d like to hear from you.

Job Title: Senior Network Design Engineer
Location: Basingstoke (Hybrid)
Salary: £55,000 + £6,000 car allowance + 10% bonus
Security Clearance: Must be eligible for SC clearance

Join a Growing Team Delivering Cutting-Edge Network Solutions in Defence and National Security

Are you an experienced Network Design Engineer looking for a hands-on role in a highly secure, fast-paced environment? O.

WHJS1_UKTJ

WHJS1_UKTJ

Senior Network Design Engineer

Salary: 55k basic + 6k car allowance + 10% bonus + 10% DV allowance

Basingstoke: Hybrid circa 2 / 3 days a week on site

Security Clearance: Needs SC Clearance to start and willingness to go through DV Clearance

A global IT Consultancy are looking for three Senior Network Designer Engineers to work on delivery opportunities taking place within their secure Defence and National Security sector.

The role will involve understanding the business and technical requirements and you will be responsible for the producing the relevant design collateral (including passing any governance reviews), providing hands on configuration and implementation support, troubleshooting technical issues, ensuring effective handover to service and supporting the project team in its milestone deliverables.

Key Skills and Experience

• Strong technical networking knowledge with industry-recognized certifications (e.g., Cisco CCNA/CCNP, Juniper JNCIS-ENT).
• Experience with routing protocols, virtual routing instances, VPNs, and security zones.
• Experience with network security products including Intrusion Detection Systems (IDS) and Intrusion Prevention Systems (IPS).
• Proficiency in F5, Cisco Secure Firewall, and Gigamon technology.
• Demonstrable design experience with global network vendors (e.g., Cisco, Juniper).
• Network device configuration, troubleshooting, and defect resolution skills.
• Understanding of project life cycle from requirements gathering to operational acceptance

Responsibilities:

• Design and Deploy Functional Networks: Design and deploy networks (LAN, WAN) to meet the organization and customer needs.
• Troubleshoot Network Issues: Diagnose and troubleshoot network issues, including those escalated by lower tiers of support.
• Implement Network Security Measures: Design and implement network security measures to protect data, software, and hardware from threats and unauthorized access.
• Collaborate with Stakeholders: Work closely with executive team members, decision-makers, and stakeholders to define business requirements and systems goals, and to identify and resolve business systems issues.
• Create and Maintain Documentation: Maintain comprehensive documentation for all implemented networks, including network diagrams, configuration details, and operational procedures.