Senior Engineer Network Operations

The Senior Network Engineer is responsible for resolving highly complex network faults and acting as a final point of escalation for 1st, 2nd, and 3rd Line teams. This role involves identifying and resolving complex network issues, delivering service requests, and performing network upgrades.

Responsibilities

• Ensure all escalated and Major Incidents are resolved within the Senior operations team or managed in conjunction with Technology partners.
• Maintain an in-depth understanding of all customer networks.
• Identify and manage escalated faults with 3rd party suppliers for major incidents.
• Design and implement changes to existing customer networks to improve performance.
• Complete LLD reviews of new customers/projects as part of the operational acceptance process.
• Prioritize network improvement changes according to risk.
• Review and approve network changes to be presented to CAB.
• Collaborate with the Platform Engineering team to enhance network performance and resiliency.
• Support design and project teams on major projects for new and existing customers.
• Update technical documentation and diagrams for existing customers and services.
• Provide training, guidance, and support to other Capita teams.
• Provide out-of-hours support via a 24/7 rota as required.
• Manage and resolve incidents and service requests within contractual SLAs.

• Technically skilled to Cisco CCNP/Juniper JCIP level, with certification or working towards CCIE/JNCIE.
• 5+ years of experience in a 3rd line network engineering role.
• Experience in network security (e.g., Cisco ASA, Juniper, Palo Alto, Fortinet).
• Experience with load balancers (e.g., F5 Big-IP).
• Strong understanding of IP, MPLS, SDWAN, BGP, OSPF, ISIS, Wi-Fi within a managed service provider environment.
• Creative problem-solving skills to improve customer performance.
• Ability to design, implement, and document network improvements.
• Excellent knowledge of network monitoring systems, protocols, and techniques.
• Experience managing major incidents and conducting root cause analysis.
• Self-managed and team-oriented.
• ITIL Foundation certification preferred.