Salary: £35,000 - 75,000 per year Requirements: 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 (desirable). IBM Certified System Administrator AIX (desirable). Red Hat Certified System Administrator (RHCSA) or Engineer (RHCE) (desirable). Experience with hybrid cloud environments or containerization (Docker, Podman) (desirable). Familiarity with monitoring tools (Nagios, Zabbix) (desirable). Bachelors degree in Computer Science, Information Technology, or related field (or equivalent experience). Responsibilities: 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. Technologies: Ansible Bash Cloud Docker IBM Support LDAP Linux Podman Puppet Python RHEL Security Zabbix Unix More: At DXC Technology, we are a global leader in IT services, empowering clients to harness technology for growth in a rapidly changing world. We focus on delivering mission-critical solutions that transform businesses, modernize operations, and drive innovation. We are currently seeking a highly skilled AIX & Red Hat Linux Engineer to join our on-site team with one of our UK-based clients. Our team values strong technical expertise and excellent communication skills, as you will engage effectively with stakeholders while providing innovative IT solutions in a secure environment. last updated 14 week of 2026