Hours: 37 hours per week | On‑call rota required
The Role
As a Senior Network Engineer, you’ll deliver engineering excellence across one or more technology domains, providing deep technical insight, driving continuous improvement, and ensuring solutions are robust, scalable, and aligned with strategic objectives. Working at the leading edge of defence and advanced technology, our mission is to empower and protect lives through innovation.
On a day‑to‑day basis, you’ll lead the design, implementation, and support of complex network solutions, ensuring high levels of performance, reliability, and security. Acting as a technical authority, you will mentor junior engineers and collaborate across teams to deliver fully integrated, enterprise‑grade solutions.
Responsibilities
- Lead the design, implementation, and support of enterprise‑grade solutions across one or more technology domains
- Take ownership of complex technical deliverables, ensuring quality, performance, and alignment with architectural and strategic standards
- Provide technical leadership and mentoring to Engineers and Associate Engineers, supporting their development and integration into the team
- Collaborate with principal engineers, architects, and capability leads to align engineering outputs with wider strategic goals
- Represent engineering in cross‑functional discussions, influencing decisions and driving alignment across teams
- Contribute to technology roadmaps and continuous improvement initiatives
- Ensure compliance with security, performance, and operational standards
- Proactively identify and mitigate risks across engineering deliverables and service operations
- Experience working with large‑scale, multi‑site enterprise networks, including LAN, WAN, datacentre, and hybrid cloud environments
- Strong knowledge of routing and switching protocols, including BGP, OSPF, VXLAN, EVPN, Wi‑Fi, and network authentication protocols (e.g. 802.1x)
- Hands‑on experience with technologies across Cisco Catalyst/Nexus/WLC, Cisco Meraki, Palo Alto, and Dell platforms
- Familiarity with security solutions including firewalls, intrusion prevention and detection systems, and network access control
- Experience with software‑defined networking and virtualisation technologies such as VMware NSX‑T
- Exposure to network automation, supported by development teams
Qualifications
- CCNP/CCNA or equivalent industry experience
This is a 37‑hour per week role based in Bristol. To support shift patterns between 07:30–18:30 GMT, you may be required to work specific times. As part of their commitment to high service availability and rapid incident response, participation in an on‑call rota is required. This reflects the trust placed in the role to act swiftly and decisively when critical systems are impacted.
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