Network Engineer

Tewkesbury
United Kingdom
30 April 2025

About PentenAmio

PentenAmio is a leading provider of advanced digital security solutions that power national security and resilience across the UK, Australia and our allies. Focused on solving complex digital challenges that others avoid, we embrace the impossible to deliver transformative technologies that protect those who protect us.

Across the UK and Australia, PentenAmio combines a legacy of knowledge and proven delivery across secure mobility and AI-driven deception technologies. Our work spans Government and Defence markets across civil and military applications, powering intelligent advantage on a global scale.

In our 2024 Employee Survey, our team said they enjoy working with us because we:

  • Have a friendly and welcoming culture
  • Enjoy excellent working conditions with genuine flexibility
  • Focus on innovation, have interesting work and a sense of purpose
  • Take pride in what we do and deliver tangible results
  • Work with cutting edge technologies

About the Role

As a Network Engineer, you will design, deploy, and support secure network infrastructure across a range of internal and external projects. You’ll work closely with cross-functional teams to deliver reliable, high-performance network solutions in both cloud and on-premise environments

Typical duties include:

  • Configuring, deploying, and maintaining network appliances such as routers, switches, firewalls, and VPNs (Cisco, Juniper, Fortinet).
  • Managing cloud network infrastructure (e.g. AWS, Direct Connect) and hybrid deployments.
  • Designing, implementing, and troubleshooting routing protocols like BGP and OSPF.
  • Creating and maintaining high and low-level network documentation and diagrams.
  • Applying security hardening practices, patches, and updates to network devices.
  • Diagnosing and resolving network issues in both operational and project environments.
  • Supporting air-gapped and secure networks, contributing to resilient infrastructure delivery.

Skills and Experience

  • Proven experience designing, building, and troubleshooting enterprise-level networks (5+ years preferred).
  • In-depth knowledge of networking protocols (TCP/IP, BGP, OSPF, VLANs, VPNs, QoS, HSRP) and cloud networking (AWS).
  • Strong hands-on experience with Cisco equipment and other vendor technologies (Juniper, Fortinet).
  • Certified to CCNP level or equivalent experience, with excellent documentation and design skills.
  • Familiarity with automation tools and scripting (e.g. Ansible, Terraform, Python).
  • Experience monitoring network performance using tools like Grafana, Prometheus, or ELK.
  • Confident communicator with strong problem-solving skills and a customer-focused approach.

Qualifications and Eligibility Criteria

To be eligible for this position you must:

  • CCNP or equivalent industry certification required (Cisco, AWS, or similar).
  • Be a British Citizen; and
  • Hold or be eligible for NSV – DV (please see the gov.uk for guidance)

Apply for vacancy

For more infomation please email our recruitment team.












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