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 Systems Engineer, you will design, build, and support secure end-to-end mobility and communication solutions for customer and internal projects. You’ll work on a mix of infrastructure, cloud, and automation technologies, supporting the full lifecycle from deployment to Level 3 support.

Typical duties include:

• Installing, configuring, and administering Linux-based infrastructure (Ubuntu/RHEL) and virtualised environments (vSphere, vCenter).
• Writing Ansible playbooks and using IaC tools to automate deployment of infrastructure and cloud services.
• Managing secure AWS cloud environments and supporting cross domain solutions.
• Creating and maintaining system architecture documentation and ensuring environments meet CIS security standards.
• Diagnosing and resolving complex system issues in collaboration with support teams.
• Supporting and maintaining infrastructure in secure and air-gapped environments.
• Researching and integrating new technologies to enhance system performance and security.

Skills and Experience

• Advanced Linux system administration with practical experience in scripting (e.g. Bash, Python) and automation using Ansible.
• Strong understanding of networking concepts (DNS, TCP/IP), PKI/certificate management, and virtualisation (VMware).
• Experience managing cloud infrastructure (AWS) and containerised environments (Docker).
• Familiarity with monitoring and logging tools (Grafana, Prometheus, ELK) and version control systems.
• Working knowledge of cross domain solutions and operating within secure, air-gapped environments.
• Solid grasp of CI/CD principles and infrastructure as code in secure environments.
• Excellent communication, problem-solving, and collaboration skills with a customer-focused mindset.

Qualifications and Eligibility Criteria

To be eligible for this position you must:

• 2–5+ years’ experience in a Linux or Systems Engineering role.
• Be a British Citizen; and
• Hold or be eligible for NSV – DV (please see the gov.uk for guidance)