Unix AIX Engineer

Job Title: AIX & Red Hat Linux Engineer

Location: Preston Onsite
Department: IT Infrastructure
Employment Type: Full-Time / permanent
Security Clearance: UK Government Security Clearance required

We are seeking a highly skilled AIX & Red Hat Linux Engineer to join our team and work on-site with one of our UK-based clients. This role focuses on designing, implementing, and supporting enterprise UNIX/Linux systems in a secure environment. The successful candidate will have strong technical expertise, excellent communication skills, and the ability to engage effectively with stakeholders.

• Install, configure, and maintain IBM AIX and Red Hat Enterprise Linux (RHEL) systems.
• Manage LPARs, VIO servers, and HMCs in IBM Power Systems environments.
• Monitor and optimize system performance across AIX and RHEL platforms.
• Perform OS upgrades, patching, and backup/recovery operations.
• Automate administration tasks using shell scripting, Ansible, or similar tools.
• Collaborate with client stakeholders and internal teams to support business‑critical applications.
• Ensure compliance with security and audit requirements.
• Provide on‑site technical support and participate in on‑call rotations.
• Maintain detailed documentation of system configurations and operational procedures.

• 5+ years of experience in AIX systems administration.
• 3+ years of experience with Red Hat Enterprise Linux (RHEL).
• Strong knowledge of IBM Power Systems, LPARs, and VIO servers.
• Proficiency in shell scripting (Korn, Bash, etc.).
• Experience with automation tools (e.g., Ansible, Puppet).
• Familiarity with SAN storage, networking, and virtualization.
• Excellent customer‑facing and communication skills.
• Knowledge of LDAP for authentication and directory services.
• Ability to work independently and collaboratively in a client environment.
• Must hold or be eligible for UK Government Security Clearance.

• Python scripting for automation and integration tasks.
• IBM Certified System Administrator – AIX.
• Red Hat Certified System Administrator (RHCSA) or Engineer (RHCE).
• Experience with hybrid cloud environments or containerization (Docker, Podman).
• Familiarity with monitoring tools (Nagios, Zabbix).

• Bachelor’s degree in Computer Science, Information Technology, or related field (or equivalent experience).
• Demonstrated experience managing both AIX and RHEL environments in enterprise settings.