Senior Linux Infrastructure Engineer

1 day ago

Sydney, New South Wales, Australia beBeeInfrastructure Full time $120,000 - $160,000

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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