Senior Linux Infrastructure Engineer

2 weeks ago

Sydney, New South Wales, Australia Bebeeinfrastructure Full time

Linux System Engineer Job Summary
We are seeking a highly skilled and experienced Linux System Engineer to join our team.
Key Responsibilities:
Manage 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 Linux hosts and associated base infrastructure services, including virtualisation, block and file storage, backup, and index/search.
Administer core applications such as DNS, NTP, SMTP, web proxying, 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 to resolve issues and escalate concerns effectively.
Required Skills:
Proven experience as a 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.
Candidates must be Australian Citizens with Active Baseline Clearance or NV1 Security Clearance or higher.

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