Senior Linux Infrastructure Engineer

Mackay Executive; Sydney; Hybrid; AUD 110,000 - 140,000; Full time

Benefits offered by this job

Hybrid work model

6-month rolling extensions

Job summary

Mackay Executive is seeking a senior Linux Engineer for a contract role in Sydney. You will design, implement and retire on-premises Linux platforms, primarily Ubuntu, secure environments, and collaborate with multiple teams.

The role emphasizes engineering design over runbooks, with hybrid work pattern (3 days in office, 2 days WFH) and extension potential up to 6 months rolling. You will work in a secure, on-premises environment supporting digital services.

Qualifications

• Extensive experience managing a large fleet of Linux hosts in a team environment.
• Demonstrable Ansible automation skills for infrastructure deployment and management.
• Experience in problem solving, troubleshooting, documentation and root cause analysis.

Responsibilities

• Design, build, and own the Linux platforms primarily running Ubuntu in secure, on-premises environments.
• Assist in leading the evolution of Linux SOEs (Ubuntu 22/24, with some RHEL).
• Define and enforce platform standards including security hardening, availability, and capacity planning.
• Collaborate with Development, Platforms, Networks, Windows, and Service Desk to resolve issues.

Skills

Linux admin

Ansible

Ubuntu

Security hardening

Troubleshooting

Documentation

Team collaboration

Tools

Pure Storage

Cohesity

Splunk

BIND

Postfix

Squid

Websense

RSA SecurID

Job description

This is a contract role with a high profile organisation.

The role will prove to be both interesting and rewarding to the successful applicant. There is lots to do!

Location –Sydney CBDoffice.

WFH – generally, 3 days in office / 2 days WFH each week. (Please note the client does not consider the role can be done remotely.)

Extension expected – 6 month rolling extensions.

The Role:

This role is for a Linux Engineer who is very experienced, and able toimplement, manage and retire the infrastructure (including physical, virtual, networking and cloud infrastructure) that supports digital services. So, key things are to ensure the server environment is secure, stable and effectively maintained.

You will be working in a secure on-premise environment, and work will include working on business driven and internally driven projects.

You also will work closely with other technical teams (Development, Platforms, Networks, Windows, Service Desk) to identify and resolve issues and escalations.

This position has been newly created to meet increased demand & support additional project requirements.

And, importantly, this role expects engineers who can design the solution, not just follow runbooks.

Design, build, and own the Linux platforms primarily running Ubuntu in secure, on-premises environments.

Assist in the leading of the engineering and evolution of Linux Standard Operating Environments (SOEs), primarily running Ubuntu 22 and 24 (with some RHEL),

Define and enforce platform standards covering such things as: security hardening, availability and resilience, and performance and capacity planning.

Overall, the technical environment can include:

• Linux hosts (approx 500) - primarily Ubuntu, with some RHEL.
• Base infrastructure services consumed by other IT teams, such as:
• Block and file storage (Pure Storage),
• Backup (Cohesity) and
• Index/search (Splunk).
• Core applications relied on include: DNS (BIND), NTP, SMTP (Postfix), Web proxying (Squid and Forcepoint/Websense), and RSA SecurID.

Working experience we are interested in includes:

• Extensive experience managing a large fleet of Linux hosts (in a team environment).
• Providing organisation-wide base infrastructure and core services.
• Demonstrable Ansible (or similar tool) automation skills for infrastructure deployment and management.
• Experience in problem solving, troubleshooting, documentation & root cause analysis.