We're partnering with a leading financial services organisation to secure an experienced Linux Systems Administrator to join a team responsible for supporting critical infrastructure that underpins major payment and settlement services across Australia.
This is a hands-on role focused on ensuring the availability, stability, security, and performance of business-critical systems. You'll work within a production support environment, supporting enterprise Linux platforms, virtualisation technologies, and associated infrastructure while contributing to automation and continuous improvement initiatives.
- Administering and supporting enterprise Linux environments, primarily Red Hat Enterprise Linux (RHEL).
- Supporting mission-critical production systems with a strong focus on uptime, resilience, and service availability.
- Managing and troubleshooting VMware infrastructure.
- Performing system maintenance, patching, upgrades, and operational support activities.
- Investigating and resolving complex system and infrastructure issues.
- Developing automation and operational efficiencies through scripting and tooling.
- Supporting infrastructure changes, deployments, and platform enhancements.
- Working closely with internal stakeholders and technology teams to deliver high-quality support services.
- Contributing to security, performance, and reliability improvements across the environment.
- Strong commercial experience administering Linux environments, ideally RHEL.
- Solid VMware administration and support experience.
- Scripting and automation capability using Shell, Python, PowerShell, or similar technologies.
- Experience supporting enterprise-scale production environments.
- Strong troubleshooting skills across operating systems, infrastructure, and networking.
- Experience with system upgrades, patching, backup, recovery, and operational support processes.
- Ability to work effectively within a highly regulated and business-critical environment.
- Red Hat Clustering, Pacemaker, or other high-availability clustering technologies.
- Financial services, payments, banking, or other mission-critical infrastructure experience.
- Experience with Satellite, Commvault, Azure, M365, or Zscaler.
- Exposure to supporting large-scale enterprise platforms and infrastructure roadmaps.
- Long-term contract with a strong likelihood of extension.
- Hybrid working arrangement (approximately 50% office-based).
- Opportunity to support some of Australia's most critical technology platforms.
- Collaborative team environment with exposure to complex enterprise infrastructure.
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Senior Systems Administrator - Linux (RHEL) in Sydney employer: Talenza
As a leading player in the Manufacturing and Supply Chain industry, our company offers an exceptional work environment in Sydney, where innovation meets inclusivity. We prioritise employee growth through comprehensive leadership development programs and foster a collaborative culture that values diverse perspectives. With a focus on driving digital transformation and a commitment to delivering measurable business value, we empower our team to make a significant impact while enjoying the unique lifestyle that Sydney has to offer.
