Senior Linux Systems Engineer

2 weeks ago


Melbourne, Victoria, Australia Onset Group Full time

Job Description

Take Charge as a Voice Platform Linux Administrator

Are you ready to take the reins in a role where your expertise and adaptability will power the secure, seamless communication systems of tomorrow?

This is your opportunity to be part of a dynamic team responsible for the continuous improvement and development of backend infrastructure and bespoke voice platform.

The Opportunity

What You'll Do:

  • Support & Innovate: Administer and optimize the infrastructure behind their bespoke voice platform, working extensively with Linux (Ubuntu), FreeSWITCH, OpenSIPS, VoIP/SIP protocols.
  • Ensure Uptime & Security: Maintain multi-node redundancy, secure backups, and accurate documentation to ensure seamless operation and quick disaster recovery when needed.
  • Collaborate & Automate: Write and maintain Puppet manifests for orchestration, while managing databases and monitoring systems.
  • Drive Continuous Improvement: Partner with the team to innovate and refine their backend infrastructure, ensuring they stay ahead in terms of performance, reliability, and security.

What You Bring:

  • 3+ years of strong Linux administration skills (preferably Ubuntu or Debian) and a passion for open-source tools.
  • Experience with Git and orchestration tools like Puppet.
  • Knowledge of VoIP technologies (SIP, SDP, RTP)
  • A problem-solving mindset—you thrive in complex environments and are excited to tackle challenges head-on.
  • Willingness to participate in on-call rotations, ensuring high platform uptime and availability.

What's In It for You?

  • Real Ownership: You'll be at the heart of the voice platform operations, ensuring high platform uptime and a secure, high-performing environment. Your impact will be felt in real-time, powering seamless communication for businesses around the globe.
  • Learn and Evolve: You won't just maintain systems—you'll innovate them. With access to mentoring from peers and external training, this is a great opportunity for someone looking to expand their skill set in both familiar and new technologies.
  • Diverse Tech Stack: Gain hands-on experience across an impressive array of technologies in a constantly evolving environment.

This is your chance to shine in a dynamic team where your expertise and adaptability will power the secure, seamless communication systems of tomorrow.



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