L3 Network Engineer, Assoc Manager in London

Location: London (willing to travel to client sites throughout the UK on an ad hoc basis)

Salary: Competitive salary and package (depending on level of experience)

Accenture is partnering with scaled UK AI compute pioneers to lead the charge on next‐generation infrastructure for sovereign AI. We are building a high‐performance compute operations team in London. Our work is sensitive, secure, 24x7, and on the most up‐to‐date high‐density compute stacks available. Shift teams are set up to operate 24x7 and successful candidates working on shift will receive a shift premium for the non‐standard, unsociable shift hours that will be part of the rota.

Any offer of employment is subject to satisfactory BPSS and SC security clearance, which requires 5 years of continuous UK address history (typically including no periods of 30 consecutive days or more spent outside of the UK) at the point of application.

• Manage network and firewall security.
• Troubleshoot network connectivity incidents (routing, switching, and security).
• Build, configure, and maintain network infrastructures following best practices.
• Identify service improvements to reduce risk and improve stability.
• Produce high‐quality implementation scripts, test plans, and change controls for all network changes.
• Respond to real‐time alerts and dashboards for networking resources to detect service‐impacting events.
• Perform initial triage and isolation for incidents following established runbooks and procedures.
• Document incidents, actions, and outcomes accurately in the incident‐management system.
• Support service delivery and SLA compliance.
• Investigate and resolve incidents escalated from L1.5 Engineers, conducting in‐depth analysis of compute, storage, and network issues.
• Develop and refine troubleshooting guides, runbooks, and knowledge‐base articles.
• Coordinate with engineering, automation, and vendor teams for persistent or complex technical problems.
• Monitor and analyze performance metrics and incident trends, recommending proactive measures for reliability improvements.
• Mentor L1.5 Engineers to support skill development and knowledge sharing.
• Participate in on‐call schedules as required.

• Working knowledge of network security, including firewall configuration and security policy management.
• Understanding of networking protocols, including EIGRP, BGP, OSPF, and IP multicast.
• Experience managing LAN/WAN environments and device protocols such as Juniper, Arista, or Fortinet.
• Administration of firewall systems such as FortiGate, Palo Alto, Juniper, and Checkpoint.
• VPN and remote‐access solutions.
• Associate‐level network certification (CCNA, JNCIA, or equivalent).
• Experience implementing and supporting large corporate or data‐centre networks, preferably in a multi‐client, service‐provider environment.
• Experience in incident management, advanced troubleshooting, and operational best practices.
• Advanced network troubleshooting skills.
• 2+ years of routing protocol experience (OSPF, BGP).
• Programming/scripting for automation (Python, Bash).
• Familiarity with ITSM, Agile methodologies, and tools such as ServiceNow, Jira.
• Bachelor's degree in Electrical Engineering (relevant experience considered).

Seniority Level: Mid‐Senior level

Employment Type: Full‐time

Job Function: Information Technology (Industries: Information Services)