Our client, a globally recognised financial services organisation, is looking for two experienced Network Operations Support Engineers to join their Technology Services team on an initial 6-month contract. This is a fast-paced, 24/7 operational environment supporting enterprise and data centre networks within a highly regulated banking environment.
You'll bring deep L2-L7 troubleshooting skills, hands-on Cisco ACI experience, and strong exposure to Palo Alto and Fortinet Firewall platforms, working closely with engineering, security and business stakeholders to keep critical network services stable, secure and performing.
Key Responsibilities
Provide operational support for enterprise and data centre networks, ensuring high service availability
Troubleshoot and resolve complex L2-L7 issues across routing, switching, Firewalls (Palo Alto, Fortinet) and Cisco ACI environments
Lead incident response, root cause analysis and permanent remediation
Monitor network health, capacity and performance via operational tooling, telemetry and alerting
Identify and resolve performance bottlenecks, routing issues and Firewall policy inconsistencies
Support capacity planning and resilience/optimisation activity across WAN, LAN and data centre fabrics
Implement network and Firewall changes per defined change control, risk assessment and rollback processes
Support deployment, maintenance and policy governance of Palo Alto (Pan-OS) and Fortinet (FortiOS) platforms
Support Cisco ACI fabric deployment, segmentation policies and APIC operations
Maintain network baselines, configuration standards and SOPs
Collaborate with architecture, engineering and cybersecurity teams on new designs, migrations and rollouts
Liaise with telcos, service providers and network vendors on fault resolution, escalations and SLA tracking
Maintain network diagrams, SOPs, incident reports and runbooks, and ensure compliance with regulatory/audit standards
Essential Skills & Experience
8-12+ years supporting large-scale enterprise/data centre networks with increasing operational responsibility
Strong L2-L7 troubleshooting, including BGP, OSPF, EIGRP, QoS and WAN routing behaviours
Hands-on Cisco ACI operational experience (tenants, policies, APIC administration...
IT Network Operations Support Engineer x2/Cisco ACI/London employer: WNTD
Volta is an exceptional employer, offering a dynamic work environment at the forefront of AI infrastructure development in Europe. With a strong focus on employee growth, competitive salaries, and flexible working arrangements, you will have the opportunity to collaborate directly with senior leaders while contributing to groundbreaking projects that shape the future of technology. Join us to be part of a diverse and inclusive team dedicated to building the next generation of AI infrastructure.
