Senior Linux Infra Engineer — On-Prem Reliability & Automation

Access4; City of Melbourne; Hybrid; AUD 120,000 - 180,000; Full time

Job summary

Access4 is seeking a Senior Infrastructure Engineer to own and stabilize backend environments powering SASBOSS®. You’ll handle Linux kernel depth, on‑prem racks, and automation with Docker and Ansible, while supporting engineering and R&D initiatives.

The role requires 5+ years in Linux admin, on‑prem experience, and strong Python/virtualisation know‑how. Hybrid work is available with a Richmond, Australia base.

Qualifications

• A Bachelor's degree in IT or a related field.
• Full working rights in Australia (we can't offer sponsorship).
• 5+ years in Linux administration, down to the kernel and module level.
• 5+ years managing on-premises environments (real servers, real racks).
• 3+ years with Docker or other containerisation tech.
• 3+ years with Ansible or similar automation tools.
• 3+ years developing in Python.
• 3+ years with virtualisation technologies.
• Solid knowledge of TCP/IP network stacks and monitoring systems.
• Sharp problem-solving and analytical skills, and the ability to explain what you found clearly, in writing and out loud.
• Other programming languages besides Python.
• Database administration experience (MySQL, PostgreSQL or similar).
• VoIP know-how, especially SIP.

Responsibilities

• Looking after our backend systems every day and keeping them healthy.
• Finding what's fragile and making it resilient, then doing it again.
• Being the go-to infrastructure expert for engineering and the wider Access4 team.
• Getting stuck into engineering and R&D work that shapes where the business goes next.
• Taking your turn on call for after-hours events, and staying cool when the pager goes off.
• Staying steady under pressure so critical systems stay up.
• Bringing structure and discipline to both quick fixes and long-term projects.

Skills

Linux Admin

Kernel debugging

On-premises infrastructure

Docker

Ansible

Python

Virtualisation

TCP/IP networks

SIP/VoIP

Communication skills

Other programming languages

Education

Bachelor's degree in IT or related field

Tools

Docker

Ansible

Python

Virtualisation

Monitoring systems

Job description

Access4 is seeking a Senior Infrastructure Engineer to own and stabilize backend environments powering SASBOSS®. You’ll handle Linux kernel depth, on‑prem racks, and automation with Docker and Ansible, while supporting engineering and R&D initiatives.

The role requires 5+ years in Linux admin, on‑prem experience, and strong Python/virtualisation know‑how. Hybrid work is available with a Richmond, Australia base.