Principal Platform Engineer

Job Description

Principal Platform Engineer Sydney, hybrid

This isn’t a role for someone who wants an established playbook. It's for someone who wants to write it.

You're a Principal Engineer who likes fixing problems, not just maintaining polished systems.

You enjoy early-stage challenges, where velocity matters. The paint’s still wet. And your decisions shape what “good” looks like for years. That’s exactly what you’ll get here.

You'll join a 300-person defence tech company tackling some of the most complex technical problems in modern warfare. Think drones, RF, AI/ML, and sensor fusion. 

After doubling headcount in the last two years (and raising $250M in 2024), they're scaling up platform engineering to keep pace.

This role? It’s a mix of hands-on and strategic.

You’ll work with the Platform Engineering Manager and soon two new seniors you'll help hire...

Ready to Apply?

Submit your application today and join our talented team at Onset Group.