Security Infrastructure Engineer

  • IT Talent Solutions Ltd
  • Guildford, Surrey
  • 05/11/2026
Full time Information Technology Telecommunications

Job Description

Security Infrastructure Engineer

The Role

An exciting opportunity for a Security Infrastructure Engineer to support and enhance a secure, resilient, and highly regulated IT environment. You'll be responsible for maintaining core infrastructure, embedding security best practices, providing 3rd line support, and delivering security-focused projects and improvements.

Key Responsibilities

  • Maintain secure, reliable, and high-performing infrastructure services.
  • Implement system hardening, patching, and vulnerability remediation.
  • Support identity and access management, including privileged access controls.
  • Manage security monitoring, logging, encryption, and certificate management.
  • Investigate security incidents and drive corrective actions.
  • Support backup, disaster recovery, and business continuity processes.
  • Deliver infrastructure upgrades, migrations, and technology refresh projects.
  • Ensure compliance with security standards and change management processes.
  • Contribute to cyber incident response and continual security improvement initiatives.

Requirements

  • 5+ years' experience in security engineering, infrastructure, DevSecOps, or systems administration.
  • Strong experience securing Windows/Linux environments and cloud platforms (Azure, AWS, or GCP).
  • Knowledge of IAM, MFA, SIEM, EDR, vulnerability management, and security monitoring tools.
  • Strong networking knowledge including TCP/IP, DNS, Firewalls, VPNs, and load balancing.
  • Experience with automation and Infrastructure as Code tools such as Terraform, Ansible, Python, or PowerShell.
  • Familiarity with Docker, Kubernetes, and recognised security frameworks such as NIST or ISO 27001.
  • Excellent troubleshooting, documentation, and communication skills.

Additional Requirements

  • Ability to obtain and maintain enhanced security vetting.
  • Eligible to work within a highly regulated environment subject to strict security and information-handling controls.
  • Ability to meet requirements relating to access to controlled technologies and sensitive projects.