Cheltenham, Gloucestershire, England, United Kingdom
Lorien
Network Engineer - Capability Centre Contract | Inside IR35 | Cheltenham or London We're seeking experienced Network Engineers to embed within our Network Capability Centre and work alongside technical specialists on priority deliveries. You'll support critical projects across technologies including NetworkMonitoring, ACI, secured boundaries, and connectivity for migration. This isn't just maintenance - it's … about enabling transformation and ensuring secure, resilient network services. Key Responsibilities: Deliver network solutions across monitoring, ACI, and secure boundaries. Support migrations and connectivity improvements. Collaborate with technical teams to meet delivery priorities. Troubleshoot and optimise network performance. What You'll Bring: Strong experience with Cisco technologies , including SDN and ACI. Knowledge of Infoblox , F5 , and … Juniper Firewalls . Familiarity with NetScout , SolarWinds , and NNM . Understanding of secured network boundaries and crypto . Experience with Splunk for monitoring and analytics. Automation skills with Ansible . If you're a hands-on network engineer who thrives in complex environments and enjoys working across technologies, apply now to make an impact. Carbon60, Lorien & SRG More ❯
Stoke Gifford, Gloucestershire, United Kingdom Hybrid / WFH Options
Synoptix
The role: The Network Administrator will be responsible for the day-to-day management and support of the network, systems, and servers for the company. This is a crucial role in ensuring the network infrastructure is optimised for performance and resilience, and mentoring support staff in network infrastructure best practice. The role combines hands-on support … supporting the product pipeline. Responsibilities: Maintain, support, and develop servers, and applications Implement procedures for reliable backup and restoration and security controls (e.g. anti-virus software) Develop and manage networkmonitoring and security processes Coordinate and implement upgrades in accordance with service commitments Proactively monitor resources to predict and prevent capacity issues Support system maintenance, security checks, and More ❯
Bristol, Avon, South West, United Kingdom Hybrid / WFH Options
Synoptix Limited
The role: The Network Administrator will be responsible for the day-to-day management and support of the network, systems, and servers for the company. This is a crucial role in ensuring the network infrastructure is optimised for performance and resilience, and mentoring support staff in network infrastructure best practice. The role combines hands-on support … supporting the product pipeline. Responsibilities: Maintain, support, and develop servers, and applications Implement procedures for reliable backup and restoration and security controls (e.g. anti-virus software) Develop and manage networkmonitoring and security processes Coordinate and implement upgrades in accordance with service commitments Proactively monitor resources to predict and prevent capacity issues Support system maintenance, security checks, and More ❯
Bristol, Stoke Gifford, Gloucestershire, United Kingdom Hybrid / WFH Options
Synoptix
The role: The Network Administrator will be responsible for the day-to-day management and support of the network, systems, and servers for the company. This is a crucial role in ensuring the network infrastructure is optimised for performance and resilience, and mentoring support staff in network infrastructure best practice. The role combines hands-on support … supporting the product pipeline. Responsibilities: Maintain, support, and develop servers, and applications Implement procedures for reliable backup and restoration and security controls (e.g. anti-virus software) Develop and manage networkmonitoring and security processes Coordinate and implement upgrades in accordance with service commitments Proactively monitor resources to predict and prevent capacity issues Support system maintenance, security checks, and More ❯
re implementing a new system to be used on Operational sites that is being designed by a third party. We require someone with an Operational Technology (OT) Infrastructure and Network background to assist in knowledge sharing, query resolution and oversight of the design to ensure it's success. In full:Role Purpose We are seeking a Technical Subject Matter … and OT networking infrastructure (Cisco switching, VLANs, IP addressing). Hosting environments with virtual machines and virtual routing and switching (VMware, KVM). Secure gateways (Waterfall, OPSWAT) and associated network configurations. Configure network time synchronization across physical and virtual systems. Implement port-mirroring, SPAN, RSPAN, ERSPAN for traffic monitoring. Deploy cloud-hosted infrastructure services (e.g., MQTT broker, SFTP … Syslog). Skills Required Strong knowledge of industrial and enterprise Cisco routing and switching design and implementation, including network encryption devices. Experience with VMware and KVM virtualization . Microsoft Windows Server and Linux Operating Systems Familiarity with GCP and/or Azure cloud hosting . Understanding of "data-diode" technology and secure gateway technologies and unidirectional data flows. Ability More ❯
Greater Bristol Area, United Kingdom Hybrid / WFH Options
Revoco
will: Lead and implement vulnerability management programmes across multiple environments. Oversee incident response processes, from detection to resolution and post-incident review. Manage and optimise security tools , ensuring effective monitoring, detection, and prevention. Design and maintain network security controls — including firewalls, intrusion detection/prevention, and segmentation. Conduct and oversee offensive security testing and vulnerability assessments. Ensure secure … to emerging threats. 🧠 What We’re Looking For Strong understanding of OWASP Top 10 , MITRE ATT&CK , and evolving threat landscapes. Proven experience across vulnerability management, incident response, and network security . Ideally skilled in at least one programming language (e.g. Go, Python, Rust ). Experience managing or integrating security tooling (SIEM, endpoint protection, scanning tools, etc.). Hands … on experience with firewalls , networkmonitoring, and cloud/infrastructure hardening. Demonstrable experience securing software or embedded systems . Excellent communication and stakeholder management skills. 💡 Desirable Experience Background in Aerospace, Defence , or similarly regulated sectors. Experience with bug bounty , exploit research, or threat intelligence . Solid understanding of system architecture and associated cyber risks. Ability to mentor junior More ❯
bath, south west england, united kingdom Hybrid / WFH Options
Revoco
will: Lead and implement vulnerability management programmes across multiple environments. Oversee incident response processes, from detection to resolution and post-incident review. Manage and optimise security tools , ensuring effective monitoring, detection, and prevention. Design and maintain network security controls — including firewalls, intrusion detection/prevention, and segmentation. Conduct and oversee offensive security testing and vulnerability assessments. Ensure secure … to emerging threats. 🧠 What We’re Looking For Strong understanding of OWASP Top 10 , MITRE ATT&CK , and evolving threat landscapes. Proven experience across vulnerability management, incident response, and network security . Ideally skilled in at least one programming language (e.g. Go, Python, Rust ). Experience managing or integrating security tooling (SIEM, endpoint protection, scanning tools, etc.). Hands … on experience with firewalls , networkmonitoring, and cloud/infrastructure hardening. Demonstrable experience securing software or embedded systems . Excellent communication and stakeholder management skills. 💡 Desirable Experience Background in Aerospace, Defence , or similarly regulated sectors. Experience with bug bounty , exploit research, or threat intelligence . Solid understanding of system architecture and associated cyber risks. Ability to mentor junior More ❯
bradley stoke, south west england, united kingdom Hybrid / WFH Options
Revoco
will: Lead and implement vulnerability management programmes across multiple environments. Oversee incident response processes, from detection to resolution and post-incident review. Manage and optimise security tools , ensuring effective monitoring, detection, and prevention. Design and maintain network security controls — including firewalls, intrusion detection/prevention, and segmentation. Conduct and oversee offensive security testing and vulnerability assessments. Ensure secure … to emerging threats. 🧠 What We’re Looking For Strong understanding of OWASP Top 10 , MITRE ATT&CK , and evolving threat landscapes. Proven experience across vulnerability management, incident response, and network security . Ideally skilled in at least one programming language (e.g. Go, Python, Rust ). Experience managing or integrating security tooling (SIEM, endpoint protection, scanning tools, etc.). Hands … on experience with firewalls , networkmonitoring, and cloud/infrastructure hardening. Demonstrable experience securing software or embedded systems . Excellent communication and stakeholder management skills. 💡 Desirable Experience Background in Aerospace, Defence , or similarly regulated sectors. Experience with bug bounty , exploit research, or threat intelligence . Solid understanding of system architecture and associated cyber risks. Ability to mentor junior More ❯