1,445 Senior Network Engineer jobs in the United Kingdom

The company

Major IT & Digital are delighted to be working with one of UK’s leading IT and telecom business operating across a well-established UK client base.

With over 25 years industry experience achieving a UK turnover in excess of £15m with continued growth plans for 2025/26.

The role

Reporting directly to the Head of Operations you will provide network and security knowledge including extensive service to my clients current and future customers.

The person

• At least 5 years commercial experience in a similar networking environment including builds and configurations knowledge with client delivery exposure
li>Ability to troubleshoot routing and switching protocols including WAN & LAN technologies
• Responsible for maintaining and extending the network infrastructure
• Good technical understanding of multiple network vendor CLI languages
• Strong knowledge of TCP/IP, R&S, firewalls and security issues
• Experience of installing, configuring, and maintaining routers and switches within a production environment
• Experience of WAN circuits and solutions - MPLS and VPN’s
< i>Knowledge of PBX, IP and VOIP systems (desirable)
• CCNA certification, preferred not essential

**UK driving licence is essential for this role and also willing to undertake SC clearance**

The benefits

Company Car

On-call allowance 

Annual bonus 

Private medical

22 days plus 8 public holidays

Progression route to technical lead

Industry certifications

Our successful and growing client, based in Sheffield, is seeking to recruit a talented Network Engineer to play a pivotal role in managing and enhancing their global IT infrastructure. The successful candidate will focus on optimising network performance, driving standardisation across sites, and implementing advanced security measures.

• Provide second and third-line support for network-related issues, ensuring swift resolution and conducting thorough root-cause analysis.
li>Assist in designing, configuring, and managing a Cisco-focused network environment, alongside cloud infrastructure such as Azure and AWS.
• Implement and maintain security and SD-WAN solutions using Fortinet technologies to improve both security and efficiency.
• Deploy and manage cloud security tools, enhancing internet protection and threat detection.
• Monitor network and cloud systems to identify performance improvements, delivering detailed reports with actionable insights.
• Document network configurations, updates, and incidents to maintain compliance with company policies and regulatory standards.
• Stay informed on the latest networking and cloud technologies developments, collaborating across IT teams to drive infrastructure projects.
• Occasional travel to other offices to support onsite tasks such as equipment setup and configuration.

• Strong problem-solving skills with the ability to manage and resolve complex networking challenges.
• Proven experience in a similar role, supporting and optimising network systems.
• Cisco Certification (minimum CCNA) with practical expertise in Cisco technologies.
• Hands-on experience with Fortinet security solutions and SD-WAN configuration.
• Ability to work independently and as part of a collaborative team.
• A valid UK driving licence.

• Knowledge of cloud platforms, including Azure and AWS.
• Familiarity with tools such as Zscaler, Cisco Meraki, and network monitoring software.
• Additional qualifications, such as ITIL or similar certifications.

Network Engineer
London (City Thameslink) | £78,500 + Benefits | Hybrid (3 days office) | 12 month FTC

The Opportunity
Join a leading professional services firm on a 12-month FTC (Possibility of going permanent). You'll play a key role in maintaining and evolving a modern enterprise network, working with cutting-edge Cisco, Palo Alto, and Fortinet technologies. This is a high-visibility role in a collaborative IT team with real scope to influence future projects.

Key Responsibilities

• Design, implement & manage LAN/WAN infrastructure (Cisco Catalyst, Nexus).
li>Configure & maintain Palo Alto Prisma Access, FortiGate firewalls & SD-WAN.
• Lead on Cisco ISE authentication & Cisco Wireless LAN solutions.
• Support Azure networking, routing (BGP, OSPF) & Layer 2/3 fundamentals.
• Troubleshoot, optimise & secure complex enterprise networks.
• Partner with IT/security teams to strengthen resilience & compliance.

What's on Offer

• Salary up to £78,500
li>Hybrid working (3 days in office)
• Private medical, pension & annual leave package
• Hands-on exposure to Cisco ISE, wireless, firewalls & Azure cloud stack
• Opportunity to shape future infrastructure in a forward-thinking team.

Apply now to join a progressive IT function driving real transformation.

Network Engineer

Location: Sheffiled

Salary £40-45k

Hybrid Working

Our client based in Sheffield is looking for a skilled Network Engineer to help shape and support their global IT infrastructure. You’ll work on high-impact projects, deploy advanced security solutions, and provide Tier 2/3 operational support, keeping systems secure, efficient, and resilient.

Key Responsibilities

• Provide Tier 2/3 support for network issues, ensuring incidents are resolved within SLAs.
li>Design, configure and optimise Cisco-focused infrastructure and cloud environments.
• Support Fortinet security and SD-WAN solutions, plus Zscaler deployments.
• Monitor and report on network/cloud performance, making proactive improvements.
• Document changes, ensuring compliance with standards and policies.
• Collaborate on infrastructure projects and standardisation initiatives.

About You

• Cisco certified (CCNA minimum).
• Proven experience in network engineering within a multi-site environment.
• Strong knowledge of Cisco and Fortinet technologies (essential).
• Experience with Zscaler, Azure and monitoring tools (desirable).
• Excellent troubleshooting, communication, and documentation skills.
• Full UK Driving Licence required.

Why Apply?

• Hands-on role working with cutting-edge networking and security solutions.
• Involvement in major infrastructure projects.
• Supportive, innovative, and growth-focused environment.

Interested? Please Click Apply Now!

Network Engineer – Slough - £38k + excellent benefits

Our client is a well-established school based in Slough; due to continued growth and expansion they are looking to recruit a Network Engineer

Key tasks and Responsibilities:

• Under the guidance of the Network Manager: Provide specialist ICT support that ensures the school/centre establishes and maintains high quality learning facilities.
li>Become the “second in command” to the Network Manager, and if working for a Trust Network Manager, potentially lead that satellite site – so the ability to work independently is a must.
• M intenance of specialist equipment, check for quality/safety, undertake specialist repairs/modifications within own capabilities, and arrange for other repairs/modifications to be carried out by others.
• Demonstrate and assist in the safe and effective use of specialist equipment/materials.
• Provide specialist advice and guidance as required to School/Centre.
• Ability to effectively communicate (verbally and in writing) technical information at an appropriate level, and in a suitable style, having assessed the audience.
• Implement agreed work programmes/practices under the guidance of Senior Staff.
• Monitor and manage stock within an agreed budget, cataloguing resources and undertaking audits as required.
• Disk space checks
• Backup checks
• Event log checks
• Cluster Shared Volume/Shared Storage for Hypervisors
• SNMP Traps

Technical Expertise:

• Monitor onsite helpdesk, ensuring ticket resolution quality and quantity is within SLA
• Resolve tickets at all levels (first through to third line)
• Set up and maintain complex physical and virtual Windows server environments
• Configure and troubleshoot basic network and switch management
• Install hardware and software applications as required
• Configure and troubleshoot Mobile Device Management in Apple environments
• Perform maintenance tasks for user accounts
• Develop and engage with network and service monitoring reports and utilities

Keywords – assistant network manager, network engineer, Networks, network manager, networking, switches, network infrastructure, routers, firewalls, firewall, malware, Active Directory, Azure AD, Microsoft 365, cloud platform, cloud, servers, IT Support, Network support, IT, Microsoft, Cisco, Aruba, SNMP, 3rd line support, Apple, Slough

Role Title: Network Engineer

6 months
Rate: 506
Hybrid -3 days on site in London


Role Summary

UK ITS AS (ENET) Engineer will be a member of the team that is responsible for the support and management of the of the infrastructure that supports the Bank's electronic business (known within other banks as Electronic Trading or Pre-Trade). This will be achieved by leveraging the technical expertise of other teams within UK ITS.

Team members will work closely with core Infrastructure teams, development and the business responding to requests, fault reports, often being required to resolve issues quickly, under pressure and sometimes out of hours. In addition to business as usual activity there are a great number of infrastructure projects and tasks that must be completed.

Role Description

• Deliver and support low latency connectivity and monitoring solutions for the Global Markets business, aligned with front-office trading and regulatory needs.
• Apply SRE principles to improve availability, latency, performance, and capacity planning across trading infrastructure.
• Collaborate with network and platform engineers to design reliable, self-healing systems and reduce manual intervention through automation.
• Own and execute the Global Markets connectivity roadmap, from project delivery through to operational handoff and lifecycle management.
• Partner with business stakeholders and platform owners to ensure infrastructure and observability tooling meets evolving trading requirements.
• Monitor and manage capacity and performance of global connectivity systems, working with regional teams to aggregate local intelligence.

• Develop and maintain automated alerting, health checks, and dashboards, supporting proactive detection of issues and system degradation.
• Lead lab-based testing and benchmarking initiatives for new connectivity solutions, ensuring readiness for production deployment.
• Produce operational and performance KPIs, SLO/SLI metrics, and executive summaries to support senior decision-making.

Requirements

• Strong background in low latency network engineering, including TCP/IP, multicast, traffic shaping, and performance analysis.
• Proven experience with packet capture and analysis tools (Wireshark, tcpdump, Corvil/PICO); ability to build custom decoders is highly advantageous.
• Familiarity with SRE tools and practices, including infrastructure as code (IaC), CI/CD pipelines, error budgets, and reliability-focused SLIs/SLOs.
• Strong working knowledge of messaging middleware (Solace, 29West, Tibco, LBM, or equivalent) in performance-sensitive environments.
• Proficient in scripting and automation using Python, Bash, or PowerShell to streamline monitoring, alerting, and recovery workflows.
• Knowledge of FIX, market data, and order routing protocols in a trading environment.
• Exposure to observability platforms such as ITRS Geneos, Prometheus, Grafana, or custom telemetry stacks.
• Comfortable working across Linux systems, hybrid infrastructure, and global production environments.
• Excellent communication and reporting skills, with ability to translate technical data into actionable business insights.

Network Engineer - Contract

-London (2 days onsite, 3 days remote)
-550 per day (Inside IR35)
-6-month initial contract, with strong chance of extension
-Active SC Clearance required

We are looking for an experienced Network Engineer to join a high-profile project on a contract basis. This role offers the opportunity to work with cutting-edge Cisco technologies while helping to deliver secure, resilient, and modern network solutions.

In this position, you will take ownership of complex network issues and ensure they are resolved efficiently. You will support the rollout and optimisation of Cisco Software-Defined Access, collaborate closely with security, infrastructure and application teams, and contribute to the design of reliable and secure enterprise solutions. Clear documentation and knowledge sharing will be a key part of the role, along with mentoring and supporting colleagues where required.

The successful candidate will bring significant experience in network engineering, ideally five or more years with a focus on Cisco platforms. You will have proven exposure to Software-Defined Access, a solid understanding of enterprise networking protocols, and a working knowledge of network security principles. Familiarity with scripting or automation tools such as Python or Ansible is highly desirable, and professional certifications such as CCNP or higher will be an advantage.

This is a hybrid role requiring two days a week onsite in London. In return, you will receive a competitive day rate of 550 inside IR35, an initial six-month contract, and the strong likelihood of extension on a long-term project.

If you are SC Cleared and looking for your next contract opportunity, we would love to hear from you. Apply today to take the next step in your contracting career

Are you a Network Engineer looking for your next challenge?

This is an exciting opportunity to join a UK leading organisation on an initial 12 month FTC. We're seeking an experienced Network Engineer with strong hands-on expertise in Cisco Meraki and exposure to HP Aruba technologies.

This role involves supporting 3rd line support tickets, travel to multiple office locations across the UK, conducting site surveys and supporting network infrastructure projects.

Key Requirements:

• Proven experience with Cisco Meraki networking solutions
• Familiarity with HP Aruba hardware and configurations
• Ability to perform site surveys and produce accurate documentation
• Willingness to travel nationally as part of project delivery
• Strong troubleshooting and communication skills

This is a fantastic opportunity that offers a competitive salary, hybrid working, great benefits and the opportunity to work on varied infrastructure across multiple sites, contributing to a growing and dynamic team.

Network Engineer

IntaPeople are currently looking for a talented Network Engineer based in North Wales to join a large organisation who require interim resource to cover BAU projects until the end of 2026.

We are looking for Network Engineers who have excellent problem solving abilities and who are able to work alone in the field when needed. You will be based in their Wrexham office on a Hybrid basis (approx. 2days per week) whilst also being in the field or working from home for the remainder of the week.

As a Network Engineer you will be able to adapt to different technology stacks and network standards across the organisation whilst being able to communicate effectively with technical and non-technical staff.

Skills and Responsibilities 

• Maintaining/Replacing/Upgrading network equipment in large geographical area ranging from layer 1 to layer 3 technologies.
li>Engineer, design, and deploy highly available network services and solutions based on business, strategic, and technical requirements.
• Develop network infrastructure roadmaps, conduct feasibility studies, and review proposals with other technical colleagues
• Identify, recommend and lead continuous network infrastructure improvement efforts.
• Troubleshoot LAN/WAN/WLAN/Firewall issues.
• Research and solve complex problems regarding data communication failures.
• Secure, update, and patch network devices.
• Monitor network operation and maintain monitoring tools.

Educational/Certifications

• University degree / Equivalent technical qualification or experienc
• Professional Cisco qualification ideally CCNA
• CCSA (Checkpoint Certified Security Administrator) or demonstrable experience of managing Checkpoint firewalls
• ITIL Service Management Foundation Qualification – Desirable
< i>CCNA - Desirable
• CompTIA Network+ - Desirable

Role overview

• Network Engineer
• 12month contract
• £300.00 - £350.00 per day
< i>IR35 status to be determined but likely InsideIR35
• Company works van provided for field work
• Full UK drivers licence will be needed for this role 
li>Wrexham office location with travel to surrounding sites as needed (approx. 1-2 times per week)

Please note, candidates must be able to lift and carry heavy IT equipment throughout any assigned shift unassisted.

For more information please click APPLY now or call Nathan Handley on (phone number removed).