Senior Noc Engineer

As a Senior Network Operations Centre (NOC) Engineer, you will provide third-line network operational support for DXC’s managed-service customers. Acting as a trusted technical authority and senior escalation point, you will maintain network availability within agreed SLAs, resolve complex incidents, deliver network changes and projects, validate configurations, and mentor, * Provide third-line network operational support and act as the senior escalation point for complex incidents.

• Maintain network operability within agreed SLAs and lead the analysis and resolution of complex network issues.

• Provide reactive support for high-priority and short-notice requests relating to in-scope network devices.

• Plan and deliver network changes and projects in collaboration with project managers and stakeholders.

• Produce network configurations, complete testing for BAU changes, and prepare associated test reports.

• Validate third-party configurations against approved standards, including node-acceptance activities.

• Support the implementation, testing and verification of node builds, equipment staging and physical patching.

• Follow Project Enhancement Release, change-management and ITIL service-management processes.

• Act as a trusted technical authority for network implementations and operational decision-making.

• Mentor junior engineers, support incident response, and promote knowledge sharing across the team.

• Keep internal and external stakeholders informed of project status, incidents, risks and change requests.

• Maintain network configuration, design collateral, operational documentation and customer records.

• Support continual service improvement through standards, policies, procedures and technical governance.

• A minimum of five years of network operations experience, including hands-on third-line troubleshooting and fault resolution.

• Strong routing and switching knowledge, including BGP, OSPF, VXLAN, MLAG and STP.

• Enterprise firewall and SD-WAN experience, ideally with Fortinet FortiGate, FortiManager and FortiAnalyzer.

• Enterprise LAN and WLAN experience, ideally with Aruba CX, Aruba Central, Aruba WiFi, Mobility Master and ClearPass.

• Experience managing DNS, DHCP and IPAM services.

• Practical experience of network implementation, testing, verification and configuration validation.

• Strong working knowledge of ITIL practices and service-management platforms such as ServiceNow or SM9.

• Excellent analytical, problem-solving, written and interpersonal communication skills.

• The ability to manage multiple priorities and remain calm, methodical and accountable during major incidents.

• Active DV security clearance.

Desirable Skills:

• Network design experience and the ability to manage design collateral.

• Exposure to Microsoft Azure or cloud networking, Linux and Microsoft Visio.

• Previous network operations experience within secure or UK Government environments.

• A degree or diploma in Computer Science, Engineering or a related discipline.

• Relevant vendor certifications such as Aruba, Fortinet or Cisco CCNP-level certification, or equivalent.

• ITIL Foundation certification.

At DXC Technology, we believe strong connections and community are key to our success. Our work model prioritizes in-person collaboration while offering flexibility to support wellbeing, productivity, individual work styles, and life circumstances. We’re committed to fostering an inclusive environment where everyone can thrive.