Senior Network Operations Engineer

About the role

<h2>About the job</h2> <p>Turn complex network faults into lasting fixes, and make new services ready for reliable operation.</p> <p>As a Senior Network Operations Engineer in Bristol, UK, you’ll keep Graphcore’s networks reliable and secure. This full-time role spans the network lifecycle, from shaping operational requirements to resolving complex incidents.</p> <p>Your improvements will reduce downtime and manual errors across new and existing services. You’ll help colleagues operate services confidently, with practical runbooks and recovery procedures ready when problems arise.</p> <p>You’ll troubleshoot routing and firewalls, improve monitoring and automate routine operations. You’ll also support upgrades and deployments through testing, controlled changes and clear handovers.</p> <p>Your scope includes AWS networking, Cisco Software-Defined Access and SD-WAN across cloud and on-premises environments. Occasional travel to remote data centres and offices will involve installations, troubleshooting and hands-on support.<span class="Apple-converted-space">&nbsp;</span></p> <h2>The team and culture</h2> <p>You’ll join a supportive, multidisciplinary IT infrastructure team that works closely together and regularly shares knowledge. With new projects ahead, you’ll bring operational experience into network designs alongside architects and project teams.</p> <p>As a senior escalation point, you’ll own complex incidents through to resolution. You’ll use monitoring evidence and recurring incident trends to prioritise reliability improvements.<span class="Apple-converted-space">&nbsp;</span></p> <h2>What we’re looking for</h2> <p>AWS networking, Cisco Software-Defined Access (SDA) or SD-WAN experience would be particularly valuable, but is not essential.</p> <ul> <li>At least five years’ hands-on network engineering experience, focused on production support, with certification in a major networking platform.</li> <li>Strong practical knowledge of large-scale L2/L3 networks, including BGP, OSPF, switching, routing and resilience.</li> <li>Experience supporting centrally controlled Wi-Fi, such as Cisco Meraki or Aruba, and resolving connectivity and performance issues.</li> <li>Experience managing and troubleshooting centralised firewalls, including rulesets, NAT and VPNs, plus familiarity with open-source products such as pfSense.</li> <li>Hands-on use of Ansible, Python or similar tools to automate operations and manage network configurations.</li> <li>Evidence-led troubleshooting using monitoring, packet captures and logs, alongside clear communication, documentation and sound judgement during incidents.<span class="Apple-converted-space">&nbsp;</span></li> </ul> <p>While we have outlined a set of requirements, we value transferable skills and diverse experiences. We also welcome engineers returning to the profession after a career break, including through returnship routes.</p> <h3>Benefits</h3> <ul> <li><strong>Flexible working:</strong><span class="Apple-converted-space">&nbsp;</span>Balance your work and personal life with greater flexibility</li> <li><strong>Generous leave:</strong><span class="Apple-converted-space">&nbsp;</span>Take time to rest, recharge and enjoy life outside of work</li> <li><strong>Retirement planning support:</strong><span class="Apple-converted-space">&nbsp;</span>Up to 5% matched pension</li> <li><strong>Phantom equity:</strong><span class="Apple-converted-space">&nbsp;</span>Share in Graphcore’s success</li> <li><strong>Workplace experience:</strong><span class="Apple-converted-space">&nbsp;</span>Enjoy thoughtfully designed office spaces for collaboration, with free food and an on-site barista to support your day</li> <li><strong>Peace of mind protection:</strong><span class="Apple-converted-space">&nbsp;</span>Income protection and life assurance to provide financial security for you and your loved ones</li> <li><strong>Electric Vehicle Scheme:</strong><span class="Apple-converted-space">&nbsp;</spa

Skills