Infrastructure Engineer

  • The Talent Locker
  • 19/03/2026
Full time Information Technology Telecommunications

Job Description

Infrastructure Engineer

Permanent - up to £80k + bonus and benefits

Security Clearance: It is an essential requirement for candidates to obtain UK Security Clearance (DV Level) prior to appointment.

Location: Hampshire - 5 days on site

Are you an Infrastructure Engineer looking for a senior role? You'll be working hands-on to maintain and improve multi-classified environments, supporting Linux and Windows systems, Azure/M365, VMware, and automation with Ansible or PowerShell. This role also involves patching, system triage, and enhancing Secure by Design capabilities. Experience with RedHat OpenShift, networking, and secure or protectively marked environments is essential, while skills in Kubernetes, Terraform, and DevSecOps tools are a plus.

Key Responsibilities

  • Maintain, improve, and secure multi-classified, virtualised, collaboration, and development environments.
  • Support and enhance public cloud SaaS offerings (eg, Microsoft 365) and project-based systems across public, private, and hybrid clouds.
  • Perform routine maintenance tasks through formal change control processes.
  • Monitor and manage ticketing and alerting systems; triage alerts and perform appropriate actions.
  • Ensure systems are patched in line with vendor recommendations and security policies.
  • Assess incidents, initiate return-to-service, and follow up with corrective actions.
  • Identify trends and problems to recommend changes for improved stability and performance.
  • Maintain up-to-date knowledge of secure cloud, networking, and virtualisation technologies.
  • Advise teams and project stakeholders on infrastructure and support aspects.
  • Document knowledge and processes to support team and organisational learning.
  • Contribute to business growth by supporting delivery excellence and client engagements.

Essential Skills & Experience

  • Windows Server 2016+ administration
  • Linux administration (RedHat, CentOS, Ubuntu)
  • RedHat OpenShift experience
  • EUD provisioning, maintenance, patching, and hardening
  • SSO concepts and operations
  • Experience in multi-classified or protectively marked environments
  • VMware virtualisation technologies
  • Azure cloud administration
  • Networking knowledge
  • Automation and Scripting (Ansible, PowerShell)

Desirable Skills

  • Kubernetes administration (eg, VMware TKGI)
  • VMware vSphere/vCenter/VCF
  • Microsoft 365/Azure administration
  • DevSecOps tooling
  • Elastic and Nessus experience
  • Application packaging
  • HashiCorp Terraform and Vault
  • Agile working experience

What We're Looking For

  • A senior-level engineer with strong technical expertise in both Windows and Linux systems.
  • Proven experience in secure, multi-classified environments.
  • Ability to work collaboratively in a team while taking initiative on tasks.
  • Strong problem-solving skills and a proactive approach to infrastructure improvements.
  • Commitment to continuous learning and development in cloud, virtualisation, and security technologies.