AIX Engineer

We are seeking an experienced AIX Engineer to join a dedicated team responsible for delivering both Managed Services and Project-based activities across our clients account. This is a senior technical role supporting critical enterprise infrastructure environments and contributing to a significant programme of migration and transformation activity.

The successful candidate will provide expert-level support for AIX environments across Live, Development, and Test platforms, while also driving infrastructure change, upgrade, and project delivery initiatives.

About the Role

This senior-level position sits within an established AIX support team responsible for the delivery of both operational support and project services.

The team provides support across Live, Development and Test environments, ensuring the availability, performance, and stability of critical infrastructure. Alongside day-to-day service responsibilities, the team also delivers a substantial volume of change, migration, transformation, and project work.

A significant portion of upcoming activity involves infrastructure modernisation and migration programmes, requiring an engineer who is comfortable working in complex enterprise environments and occasionally supporting planned out-of-hours implementations., * Provide operational support and maintenance for AIX server environments.

• Administer and support AIX 5, 6 and 7 operating systems across physical and virtual infrastructure.
• Support and manage Virtual I/O Server (VIOS) v2 & v3 environments.
• Administer and maintain IBM Hardware Management Console (HMC) platforms.
• Perform incident investigation, troubleshooting, and root cause analysis for complex platform issues.
• Deliver change, upgrade, migration, and transformation activities across the estate.
• Develop, maintain, and enhance UNIX shell scripting solutions to support automation and operational efficiencies.
• Support infrastructure projects throughout the full delivery lifecycle.
• Collaborate with wider infrastructure, network, cloud, and service management teams.
• Participate in out-of-hours implementation work where required to support project delivery.
• Ensure all activities align with service management, security, and operational standards., * Strong hands-on experience supporting IBM AIX 5, 6 and 7 operating systems.

• Proven experience administering VIOS (Version 2 & 3) environments.
• Experience managing IBM HMC (Hardware Management Console) platforms.
• Strong troubleshooting and problem-solving skills within complex enterprise environments.
• Ability to develop, maintain, and support high-quality UNIX Shell Scripts.
• Experience supporting large-scale UNIX/Linux estates.
• Knowledge of system performance monitoring, tuning, and optimisation.
• Experience delivering infrastructure changes and supporting project implementations.
• Strong understanding of server administration, patching, upgrades, and lifecycle management.
• Excellent communication and stakeholder management skills.

Desirable Skills & Experience

• Experience working within HMRC, Government, or other secure/public sector environments.
• Knowledge of IBM Power Systems infrastructure.
• Experience supporting migration, transformation, or modernisation programmes.
• Understanding of ITIL processes and service management best practices.
• Familiarity with automation tooling and infrastructure scripting.
• Exposure to hybrid infrastructure environments.
• Technical Knowledge Required
• Operating Systems & Platforms
• IBM AIX 5, 6 and 7
• Virtual I/O Server (VIOS) v2 & v3
• IBM Hardware Management Console (HMC)
• Scripting & Automation
• UNIX Shell Scripting
• Process automation and operational tooling
• Infrastructure & Networking
• Understanding of network technologies and infrastructure components
• Troubleshooting across multi-platform UNIX/Linux environments
• Cloud & Modern Infrastructure
• Understanding of cloud computing principles
• Awareness of cloud-based infrastructure management and service delivery models
• Experience working within hybrid infrastructure environments desirable