Overview
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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