Senior Network Engineer

Senior Network Engineer

Posted 3 days ago by Sherborne Talent Solutions

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Negotiable
Undetermined
Undetermined
Birmingham, England, United Kingdom
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Amazon Web Services (AWS) Automation Balancing (Ledger/Billing) Cisco Certified Network Professional Enterprise (CCNP) Cloud Computing Cloud Technology Cyber Incident Response Cyber Security Data Centers DevOps Domain Name System (DNS) Servers Dynamic Host Configuration Protocol (DHCP) Firewall Grafana HAProxy Load Balancing Microsoft Azure Network Architecture Network Infrastructure Network Performance Network Segmentation Open Shortest Path First (OSPF) Palo Alto Networks Certified Network Security Administrator (PCNSA) Peering (Computer Networking) Root Cause Analysis Routing Protocols TCP/IP Terraform Wireshark

Summary: The Senior Network Engineer role involves delivering critical network transformation projects in hybrid environments, requiring expertise in network architecture, operations, and cybersecurity. The position focuses on executing network refresh initiatives and collaborating with teams to enhance connectivity and security. The engineer will lead the design and implementation of network segmentation in AWS and manage secure network architectures. Strong technical skills and project delivery experience are essential for success in this role.

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.

Key Skills:

  • 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.
  • Familiarity with automation tools (Ansible, Terraform).
  • Experience in regulated or enterprise-scale environments.

Salary (Rate): undetermined

City: Birmingham

Country: United Kingdom

Working Arrangements: undetermined

IR35 Status: undetermined

Seniority Level: undetermined

Industry: IT

Detailed Description From Employer:

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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