DGH Recruitment
Lead Network Engineer
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Lead Network Engineer
Core technical skills:
- Cisco networking
- Catalyst
- Nexus
- ISE
- Palo Alto Firewalls
- Prisma Access
- Azure networking
- SD-WAN
Hybrid working:
3 days per week required in the office in London.
The role will provide technical leadership for the design, operation, security, and continual improvement of my client's network infrastructure across office, data centre, cloud, and remote access environments.
Responsibilities:
- Lead the implementation, support, and lifecycle management of network services across office, data centre, cloud connectivity, wireless, and remote access environments.
- Maintain secure, resilient, and scalable network services aligned to business requirements, client expectations, and regulatory obligations.
- Support disaster recovery testing, failover validation, and availability improvement for critical network services.
- Monitor network performance, identify risks, resolve complex incidents, and drive continual service improvement.
- Shape and maintain the technical roadmap for network services, ensuring alignment with the firm’s technology strategy, security requirements, and resilience objectives.
- Provide architectural assurance for projects, office moves, cloud adoption, and supplier-led changes, ensuring risks and operational impacts are understood.
- Provide technical leadership, mentoring, and guidance to network engineers, junior colleagues, and wider IT teams.
- Operate network services in line with ITIL-aligned incident, problem, change, release, and configuration management practices.
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Required Skills / Experience:
- Strong experience working as a senior or lead network engineer within a complex enterprise environment.
- Deep knowledge of enterprise networking, including Layer 2/3, switching, routing, VLANs, segmentation, high availability, wireless, and troubleshooting.
- Strong experience with Cisco enterprise technologies, including Catalyst, Nexus, Cisco ISE, RADIUS, TACACS+, 802.1X, and access control policies.
- Strong experience with network security and secure access technologies, including Palo Alto, Prisma Access, SD-WAN, and SASE concepts. Fortigate experience would also be advantageous.
- Experience in the design, implementation, and support of Microsoft Azure networking, including virtual networks, subnets, NSGs, route tables, and hybrid connectivity.
- Experience supporting network resilience, high availability, disaster recovery testing, monitoring, and observability across enterprise LAN, WAN, wireless, data centre, and cloud services.
- Experience producing and maintaining HLDs, LLDs, standards, implementation plans, and operational documentation.
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