We are working with a major ASX-listed critical infrastructure organisation - looking for an
OT Security Project Manager.
You will be the driving force behind a major cyber security transformation program across a critical infrastructure operator's OT/generation environments.
Sitting between engineering teams on the ground and the broader security program, you'll be the one making sure OT security controls actually get delivered - on scope, on budget, and on time, without disrupting live operations.
This isn't a desk-bound PM seat - you'll be site-facing, working directly with engineers and asset owners to get things done.
What You'll Be Doing
Managing and delivering OT security projects across multiple generation sites as part of a large-scale cyber transformation program.
Working with generation site managers and engineers to embed security into day-to-day operational workflows.
Partnering with security architects, engineers and external vendors to implement controls like network segmentation, secure remote access, asset visibility and OT monitoring.
Owning project governance - tracking milestones, budgets, risks and deliverables using formal PM methodologies.
Preparing project documentation, status reports and governance updates for executive stakeholders.




Experience Needed:
5+ years' project management experience, including experience with OT/ICS cybersecurity.
Track record delivering projects within critical infrastructure environments.
Solid understanding of the SOCI Act, with AESCSF experience highly regarded.
Why This Role?
Play a lead role in a large-scale OT cyber transformation program for a major Australian energy and critical infrastructure business
Genuine in office influence - you'll be embedded with engineers, not managing from a spreadsheet
12-month contract with competitive daily rate ~**** per day (negotiable).
Melbourne-based, with hybrid flexible working arrangements
High-impact, high-visibility program with real executive exposure
Work at the sharp end of critical infrastructure protection in Australia
Decipher Bureau and the clients we partner with are committed to creating a diverse environment and are proud to be equal-opportunity employers.
All qualified applicants will be considered for employment without attention to race, colour, religion, sex, sexual orientation, gender identity, national origin, veteran, or disability status.
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📌 Senior Project Manager (Ot Security) (Melbourne)
🏢 Decipher Bureau
📍 Melbourne