Infrastructure Engineer - Until April '27 - Inside IR35 - Mainly Remote

Senior Infrastructure Engineer
Contract: Until April 2027
Location: Cardiff (Primarily Remote with Quarterly Onsite Attendance)

We are currently seeking multiple Senior Infrastructure Engineers to join a high-profile public sector programme focused on delivering secure, resilient, and modern infrastructure services.

This is an opportunity to play a key role in the design, delivery, support, and continuous improvement of critical infrastructure and platform services. Youll work within a highly skilled engineering team, helping to ensure systems remain secure, available, and resilient while driving automation and operational excellence across the estate.

• Deliver and maintain secure, resilient infrastructure and platform services
• Champion security best practices across infrastructure design, configuration, and operations
• Support infrastructure hardening, vulnerability management, monitoring, and incident response activities
• Implement and maintain Infrastructure as Code solutions
• Collaborate with engineering, architecture, and security teams to improve platform reliability and security posture
• Provide expert guidance on secure environments, configuration management, and identity and access management
• Drive automation and continuous improvement initiatives across infrastructure services
• Ensure solutions align with security standards, compliance requirements, and industry best practice
• Essential Skills & Experience
• Strong Linux administration and engineering experience
• Proven experience with AWS cloud technologies
• Hands-on Terraform expertise for Infrastructure as Code
• Containerisation experience using Docker
• Strong scripting and automation skills with Bash and Python
• Excellent understanding of security principles and secure infrastructure design
• Experience with infrastructure hardening and vulnerability remediation
• Knowledge of identity and access management concepts
• Experience working within complex enterprise environments
• Strong stakeholder engagement and problem-solving skills

• Experience working within government or highly regulated environments
• Exposure to incident management and operational support activities
• Understanding of compliance-driven infrastructure delivery