2,227 Network Troubleshooting jobs in the United Kingdom

• Bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent practical experience.
• Minimum of 5-7 years of hands-on experience in network installation, configuration, and maintenance.
• In-depth knowledge of TCP/IP, routing protocols (BGP, OSPF), VLANs, VPNs, and network security concepts.
• Experience with major network hardware vendors (e.g., Cisco, Juniper, HP Aruba).
• Proficiency in network monitoring tools (e.g., Nagios, Zabbix, SolarWinds).
• Strong troubleshooting and problem-solving skills.
• Excellent written and verbal communication skills, with the ability to clearly explain technical concepts to non-technical audiences.
• Ability to work independently and manage time effectively in a remote setting.
• Relevant industry certifications such as CCNA, CCNP, Network+, or Security+ are highly desirable.

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.

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.

Your new company
Join a forward-thinking public sector organisation committed to delivering innovative ICT solutions across Scotland. The company fosters a collaborative and inclusive culture, driving transformation and excellence in digital infrastructure.
Your new role
As a Network Engineer, you'll lead a high-performing technical team responsible for designing, building, and maintaining core ICT infrastructure. You'll play a key role in shaping strategic direction, solving complex problems, and ensuring the reliability and security of enterprise-wide systems across cloud, network, and communications platforms. The role offers flexibility to work from various ICT locations across Scotland, subject to availability.
What you'll need to succeed
Essential Qualifications & Experience:- Degree or relevant industry certification (e.g. Cisco CCIE) or extensive experience in a similar role.
- Proven expertise in ICT infrastructure support, including cloud, security, telephony, WAN/LAN, and remote access.
- Strong understanding of ICT automation tools and network security. - Experience with identity management systems (e.g. Active Directory, Azure AD, Radius).Essential Personal Qualities:- Ability to lead engineering teams without direct line management.
- Excellent communication and stakeholder engagement skills.
- Strong problem-solving capabilities under pressure.
- Adaptability and attention to detail.
- Experience managing enterprise-level infrastructure services.
Desirable:- ITIL Foundation Certificate.
- Experience supporting a live network across 500+ sites and 24,000+ users.
What you'll get in return - A dynamic and collaborative working environment.
- Opportunity to influence strategic ICT direction.
- Competitive Day Rate
- Exposure to cutting-edge technologies and transformation programmes.
- Flexible working location across Scotland's ICT hubs.
- Participation in a senior on-call rota and potential to deputise for the Infrastructure Manager.

What you need to do now
If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now.
If this job isn't quite right for you but you are looking for a new position, please contact us for a confidential discussion on your career.

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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.

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.