Linux System Engineer

2 days ago

Sydney, New South Wales, Australia Peoplebank Australia NSW Full time $120,000 - $150,000 per year

Seeking a skilled Linux System Engineer to join our Federal Government Client.

12 Months Contract with extensions

Sydney, NSW

Hybrid work flexibility 2-3 days on-site / WFH

Key Responsibilities:

• Run and maintain core IT services including data centres, servers, virtualisation, operating systems, storage, backup, time services, logging, email, domain name resolution, web proxying, and security.

• Securely manage connections to and from external networks, ensuring the safety and integrity of data traffic.

• Perform daily security monitoring and risk mitigation across the IT environment.

• Design, implement, and maintain ~600 Linux hosts (primarily Ubuntu with some RHEL) and associated base infrastructure services, including virtualisation (VMware), block and file storage (Pure Storage), backup (Cohesity), and index/search (Splunk).

• Administer core applications such as DNS (BIND), NTP, SMTP (Postfix), web proxying (Squid, Forcepoint/Websense), and RSA SecurID.

• Work in a secure on-premises environment, contributing to both business-driven and internal projects from design through to service delivery.

• Collaborate closely with other technical teams (Development, Platforms, Networks, Windows, Service Desk) to resolve issues and escalate concerns effectively.

Required Skills:

• Proven Experience as a Technical Linux System Engineer

• Extensive experience managing a large fleet of Linux hosts and providing organisation-wide base infrastructure and core services

• Ansible automation skills for infrastructure deployment and management

• Experience in problem-solving, troubleshooting, documentation, and root cause analysis

• A deep understanding of Linux, including networking, auditd, SELinux/AppArmor, IPTABLES/NFTABLES, TLS, and PKI

• Experience implementing the ACSC's Essential Eight in a Linux environment

Due to security clearance requirements for this role, candidates must be Australian Citizen with Active Baseline Clearance or NV1 Security Clearance or higher.

For a confidential discussion, please contact Gian on quoting reference

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