Linux System Engineer

3 days ago

Council of the City of Sydney, Australia NES Global Talent Full time

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.

Equal Employment Opportunity Statement: We are an equal opportunity employer and welcome applications from all qualified candidates.

For a confidential discussion, please contact Gian on gian.guanzon@peoplebank.com.au quoting reference 267690.

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