Senior Network Engineer

Sherborne Talent Solutions • TRAFFIC • Birmingham, City, United Kingdom • 1w ago

I'm currently seeking a hands-on Senior Network Engineer on a contract basis for my client to deliver critical network transformation projects across our hybrid (on-premises and cloud) environments. This role requires deep technical expertise in network architecture, operations, and cybersecurity best practices, with a strong focus on execution and delivery.

Engagement Scope:

Deliver a network refresh (firewall, switches, and routers) across both office and Birmingham data centre.
Assist the DevOps team in establishing connectivity to a major critical infrastructure services provider via a dedicated MPLS circuit.
Lead the design and implementation of a network segmentation project in AWS, separating production and non-production environments.

Key Responsibilities:

Design, implement, and support enterprise network infrastructure across Cisco and Palo Alto on-premises environments, and Azure/AWS cloud platforms.
Lead deployment and optimisation of SD-WAN and SASE/SSE technologies (e.g., Netskope, Zscaler, Cisco Umbrella).
Manage and maintain secure network architectures including firewalls, VPNs, switching, routing, and load balancing (HAProxy).
Monitor, analyse, and optimise network performance and security posture.
Implement security policies aligned with ISO 27001, NIST, and CIS frameworks.
Produce detailed documentation for configurations, processes, and troubleshooting.
Collaborate with global cloud, security, and infrastructure teams for consistent, secure operations.
Support incident response, root cause analysis, and ongoing improvements.

Required Skills & Experience:

Extensive experience executing network refresh projects.
Strong expertise with Cisco, Palo Alto, HAProxy, and Azure networking.
Solid understanding of TCP/IP, DNS, DHCP, VPNs, VLANs, firewall policies, and routing protocols (BGP, OSPF).
Proven track record with SD-WAN deployments.
Practical knowledge of SSE/SASE platforms (e.g., Netskope, Zscaler, Prisma Access).
Experience with AWS and/or Azure networking (VPC/VNet, transit gateways, peering, VPNs).
Proficiency with monitoring and troubleshooting tools (NetFlow, Wireshark, CloudWatch, Grafana).
Strong communication, documentation, and collaboration skills.

Preferred Certifications:

Cisco: CCNP, CCIE
AWS: Advanced Networking, Solutions Architect
Microsoft: Azure Network Engineer Associate, Azure Solutions Architect Expert
Palo Alto: PCNSA, PCNSE
Familiarity with automation tools (Ansible, Terraform).
Experience in regulated or enterprise-scale environments.

If you have the technical depth, project delivery skills, and hands-on experience to deliver on critical infrastructure objectives I would love to hear from you.

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