2,156 Network Infrastructure jobs in the United Kingdom

• Providing 3rd line technical support across the IT Infrastructure environment including cloud technologies and telephony networks. Ensuring that all incidents, problems, and requests are progressed and updated through to completion.
• Design, deploy, and maintain scalable and secure infrastructure solutions within a contact centre environment.
• Collaborate with cross-functional teams to develop and implement network policies, procedures, and best practices.

• A minimum of 5 years experience at least 3 of which must be at 3rd Line Support Engineer/Infrastructure & Network level.
• At least 2 years IT experience within in a contact centre environment.
• Excellent Microsoft administration skills to include Azure AD, Intune, O365, Entra, Exchange, SharePoint.
• Excellent experience of infrastructure components like Networking, Server platforms, storage, application structure (2-tier, 3-tier), Identity, Security (Encryption, PKI), load balancing.
• Experience of administration and troubleshooting within Office 365, Azure, Active Directory, Intune, Entra.
• Experience working with a large application estate running IIS & SQL.
• Experience managing infrastructure estates using configuration management and application management & monitoring tools. Strong & demonstrable experience migrating workloads to cloud platforms.

Network & Infrastructure Engineer - VLAN

+ Onsite in Farnborough

+ 6 month initial contract

+ 450 to 480 per day - Inside IR35

+ This role is fully onsite

Key Skills:

+ VLAN management and routing

+ Fortinet/Fortigate

+ VMWare/vCenter

We're seeking an Network Engineer with strong experience in VLAN management, routing, and firewall administration (Fortigate). You'll manage VMware/vCenter environments, Dell server iDRAC, and mixed-vendor networking (Fortinet, Dell, HPE/Aruba). The role requires hands-on oversight of on-prem systems, adherence to change control processes, and maintaining secure, stable operations across firewalls, virtualisation, Wi-Fi, and physical servers.

Skillset Required

• Networking (especially around VLAN management and routing)
• Firewall management (Fortigate)
• VMware / vCenter
• iDRAC management
• Familiarity with change control processes (to follow the client's internal procedures)

Onsite Systems

• Virtualisation : VMware
• Firewall : Fortigate 201F
• Networking : Mix of Fortinet, Dell, HPE / Aruba HPE switches
• Wi-Fi : Aruba HPE
• Physical Servers : Dell

If you'd like to discuss this Network & Infrastructure role in more detail, please send your updated CV to (url removed) and I will get in touch.

• Providing 3rd line technical support across the IT Infrastructure environment including cloud technologies and telephony networks. Ensuring that all incidents, problems, and requests are progressed and updated through to completion.
• Design, deploy, and maintain scalable and secure infrastructure solutions within a contact centre environment.
• Collaborate with cross-functional teams to develop and implement network policies, procedures, and best practices.

• A minimum of 5 years experience at least 3 of which must be at 3rd Line Support Engineer/Infrastructure & Network level.
• At least 2 years IT experience within in a contact centre environment.
• Excellent Microsoft administration skills to include Azure AD, Intune, O365, Entra, Exchange, SharePoint.
• Excellent experience of infrastructure components like Networking, Server platforms, storage, application structure (2-tier, 3-tier), Identity, Security (Encryption, PKI), load balancing.
• Experience of administration and troubleshooting within Office 365, Azure, Active Directory, Intune, Entra.
• Experience working with a large application estate running IIS & SQL.
• Experience managing infrastructure estates using configuration management and application management & monitoring tools. Strong & demonstrable experience migrating workloads to cloud platforms.

• Design, deploy, and manage network infrastructure, including routers, switches, firewalls, and VPNs.
• Monitor network performance and troubleshoot issues to ensure optimal uptime and speed.
• Implement and maintain network security measures to protect against threats.
• Plan and execute network upgrades and expansions to meet growing demands.
• Develop and maintain network documentation, including diagrams and configuration details.
• Collaborate with system administrators and other IT personnel to resolve infrastructure problems.
• Stay current with emerging network technologies and best practices.
• Provide technical support and guidance on network-related matters.
• Participate in on-call rotations for network incident response.

• Proven experience as a Network Engineer or similar role.
• Strong knowledge of TCP/IP, BGP, OSPF, VLANs, and other networking protocols.
• Hands-on experience with Cisco, Juniper, or similar network hardware.
• Familiarity with network security principles and best practices.
• Experience with network monitoring tools (e.g., SolarWinds, PRTG).
• Relevant networking certifications (e.g., CCNA, CCNP) are highly desirable.
• Excellent problem-solving and analytical skills.
• Strong communication and teamwork abilities.
• Bachelor's degree in Computer Science, IT, or a related field, or equivalent experience.

• Design, deploy, and manage enterprise-level network infrastructure, including routers, switches, firewalls, and load balancers.
• Monitor network performance and security, identifying and resolving issues proactively.
• Implement and maintain network security measures, including VPNs, IDS/IPS, and access control policies.
• Perform regular network maintenance, upgrades, and patching.
• Develop and maintain network documentation, diagrams, and standard operating procedures.
• Collaborate with IT teams to support application deployments and ensure network readiness.
• Troubleshoot complex network problems, providing timely resolution and root cause analysis.
• Evaluate and recommend new networking technologies and solutions.
• Participate in on-call rotations for network incident response.
• Ensure compliance with industry standards and company security policies.

• Bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent practical experience.
• Proven experience as a Network Engineer or in a similar role.
• In-depth knowledge of TCP/IP, routing protocols (BGP, OSPF), switching technologies, and WAN/LAN environments.
• Hands-on experience with network security technologies (e.g., firewalls, VPNs, intrusion detection systems).
• Experience with network monitoring tools and performance analysis.
• Relevant industry certifications (e.g., CCNA, CCNP, JNCIS) are highly desirable.
• Excellent problem-solving, analytical, and troubleshooting skills.
• Strong communication and collaboration abilities, especially in a remote setting.
• Ability to work independently and manage multiple priorities effectively.
• Experience with cloud networking (AWS, Azure, GCP) is a plus.

• Design, implement, and manage the company's local and wide area network (LAN/WAN) infrastructure.
• Configure, deploy, and maintain network devices including routers, switches, firewalls, and VPN concentrators.
• Monitor network performance and troubleshoot connectivity and performance issues in a timely manner.
• Implement and manage network security measures, including intrusion detection/prevention systems and access control lists.
• Ensure high availability and resilience of network services.
• Develop and maintain network documentation, including diagrams, configurations, and procedures.
• Plan and execute network upgrades and lifecycle management.
• Collaborate with IT operations and security teams to ensure integrated solutions.
• Respond to network alerts and incidents, providing on-call support as needed.
• Evaluate and recommend new network technologies and solutions.
• Manage vendor relationships for network hardware and service providers.

• Proven experience as a Network Engineer or similar role, with a strong focus on infrastructure.
• In-depth knowledge of TCP/IP, routing protocols (e.g., OSPF, BGP), switching technologies, and network security principles.
• Hands-on experience with enterprise-grade network hardware from vendors such as Cisco, Juniper, or similar.
• Experience with network monitoring tools (e.g., SolarWinds, Nagios) and network management systems.
• Proficiency in configuring and managing firewalls and VPNs.
• Strong troubleshooting and analytical skills.
• Excellent communication and interpersonal skills.
• Relevant industry certifications (e.g., CCNA, CCNP, JNCIS) are highly desirable.
• Bachelor's degree in Computer Science, Information Technology, or a related field (or equivalent practical experience).

• Design, deploy, and manage core network infrastructure, including routers, switches, firewalls, and load balancers.
• Configure and maintain network services such as VPNs, QoS, and routing protocols (e.g., BGP, OSPF).
• Monitor network performance and troubleshoot issues proactively to ensure minimal downtime and optimal user experience.
• Implement and manage network security measures to protect against threats and vulnerabilities.
• Develop and maintain network documentation, including diagrams, configurations, and operational procedures.
• Collaborate with cross-functional teams, including systems administrators and software developers, to ensure seamless integration of network services.
• Participate in capacity planning and network upgrades to meet growing demand.
• Stay current with emerging network technologies and industry best practices.
• Provide technical support and guidance to junior network engineers and IT support staff.
• Contribute to the development and refinement of network architecture and strategy.

• Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent practical experience.
• Minimum of 5 years of experience in network engineering and infrastructure management.
• In-depth knowledge of networking protocols, TCP/IP, routing, switching, and firewall technologies.
• Experience with network monitoring tools (e.g., Nagios, Zabbix, SolarWinds).
• Proficiency in configuring and troubleshooting network hardware from major vendors (e.g., Cisco, Juniper, Palo Alto).
• Familiarity with cloud networking concepts (AWS, Azure) is a plus.
• Relevant certifications such as CCNA, CCNP, JNCIP are highly desirable.
• Strong problem-solving and analytical skills.
• Excellent communication and teamwork abilities.

• Design, deploy, configure, and maintain network infrastructure, including routers, switches, firewalls, and other network devices.
• Monitor network performance and availability, implementing proactive measures to ensure high uptime and optimal speed.
• Troubleshoot and resolve network issues, performing root cause analysis to prevent recurrence.
• Implement and manage network security measures, including firewalls, VPNs, and intrusion detection systems.
• Plan and execute network upgrades and migrations, minimising disruption to services.
• Develop and maintain comprehensive network documentation, including diagrams, configurations, and standard operating procedures.
• Collaborate with other IT teams to integrate network infrastructure with other systems and applications.
• Participate in the evaluation and selection of new network technologies and equipment.
• Provide technical support and guidance to junior network staff.
• Stay up-to-date with the latest advancements in networking technology and industry trends.
• Ensure adherence to industry best practices and company security policies.

• Bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent practical experience.
• Proven experience as a Network Engineer or similar role, with a strong understanding of TCP/IP, BGP, OSPF, VLANs, and other networking protocols.
• Hands-on experience with network hardware from major vendors (e.g., Cisco, Juniper, Huawei).
• Proficiency in network security principles and technologies.
• Experience with network monitoring tools (e.g., Nagios, Zabbix, SolarWinds).
• Relevant industry certifications such as CCNA, CCNP, JNCIA, or equivalent are highly desirable.
• Strong analytical and problem-solving skills.
• Excellent communication and collaboration abilities.
• Ability to work independently and as part of a team in a fast-paced environment.
• Willingness to travel occasionally to other company sites if required.