Senior Linux Systems Engineer (Linux / Ansible)
On-Call: Occasional weekend rotation
About the Company
Our client is a leading global financial services organisation with a strong international presence and a long-standing reputation for stability, innovation, and operational excellence. Operating across multiple regions worldwide, they provide a broad range of banking and financial services to corporate, institutional, and commercial clients. Due to continued growth, they are expanding their Enterprise Systems team in Ireland.
This role will report to the Vice President Systems Engineer.
Role Overview
Our client is seeking a Senior Systems Engineer with a strong background in Enterprise Linux and container platforms. This role will focus on the design, automation, deployment, and ongoing support of Linux-based infrastructure and container platforms across both on-premises and cloud environments. You will work closely with architecture, engineering, and security teams to deliver scalable, secure, and highly available infrastructure solutions. The role offers a balance of hands‑on technical delivery and cross-team collaboration on strategic infrastructure initiatives.
Role Objectives
Works closely with architecture, engineering, and security to implement new products and upgrade existing infrastructure.
Prepares, installs, and implements operating software and associated components.
Plans, prepares, and applies maintenance fixes to system software and firmware as required.
Managing Red Hat OpenShift and AKS clusters to support scalable applications.
Debugs and solves problems associated with Unix and Linux servers in production and test environments.
Works on architecture and engineering and security projects to secure Linux or AIX operating system deployment in production.
Assists in evaluating new hardware and software and develops creative solutions to complex technological challenges.
Develops and maintains scripts to automate tasks and deployment.
Develops test plans for implementing new software or new releases of software.
Tunes system software for peak performance and availability.
Provides end users and developers with support including off shift and on call support.
Provides technical training for information technology personnel as needed.
Tests and implements hardware and software upgrades and if necessary works off shift to implement changes with minimal downtime.
Maintains Linux Unix disaster recovery plan and actively participates in technology and business recovery activities.
Discover opportunities and help facilitate a mechanism to change, evolve, improve, and simplify the infrastructure and supporting processes/procedures.
Qualifications and Skills
Minimum of 5+ years’ experience in a similar role.
Install, configure, and maintain Red Hat Enterprise Linux servers, Red Hat Satellite.
Write and maintain automation and infrastructure‑as‑code, leveraging Ansible and other approved corporate automation and orchestration platforms.
Assist with migrations to cloud, ensuring best practices are followed and architecture is compliant with company standards.
Participate in the implementation of monitoring systems, for event monitoring, alerting, and metrics.
Expert level in troubleshooting and support of Red Hat Linux, Red Hat Satellite.
Experience with writing scripts using Bash.
Experience with Docker, Kubernetes or Open Shift.
Experience with GitHub— for code management.
Experience with Ansible/Ansible Automation Platform.
Have strong verbal and written communication skills.
Ability to demonstrate a self‑motivated and disciplined approach to learning and working.
Ability to work in a team environment and demonstrate leadership skills when needed.
Possess a highly developed sense of personal accountability and follow‑through with an ability to effectively prioritize multiple personal tasks, projects, and goals.
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