Take on challenging investigations in a dynamic environment
Enjoy flexibility in how you work
Join an amazing, supportive team
Our people are customer obsessed.
They work in close partnership to prioritise customer needs and deliver exceptional outcomes.
This collaborative mindset enables innovation and builds enduring customer relationships supporting our ambition to be the most customer‐centric company in Australia and New Zealand.
As a
Senior Investigator
in Crime & Integrity Investigations, you will lead complex investigations, produce high-quality reports and work with key stakeholders, law enforcement and regulators.
You'll make an impact by:
Lead complex investigations and investigation teams when required, in line with AGIS and the NAB Investigation Standard.
Prioritise investigative actions and allocate resources effectively across competing priorities.
Apply strong business acumen and sound judgement within a complex corporate environment.
Identify current and emerging issues and contribute to strategic outcomes.
Coach and mentor junior and entry‐level investigators and investigative assistants.
You'll bring to this role:
Senior experience leading complex fraud, financial crime, serious misconduct or related criminal/legal investigations.
Robust knowledge of AGIS investigative methodology,



including authoring and reviewing investigation plans.
Proven ability to prepare evidence matrices, allegations, briefs and high‐quality reports that withstand senior scrutiny.
Skilled in planning and conducting investigative interviews, ideally using the PEACE model.
Demonstrated experience engaging leaders, Employee Relations, Fraud Operations, law enforcement and regulators on case decisions and referrals.
Relevant investigation training or qualifications are highly desirable, supported by strong Office 365, AI, and case management system capability.
A diverse and inclusive workplace works better for everyone
We know that when our colleagues feel valued and celebrated for who they are, our customers experience bankingthat'sfairer, more accessible, and designed with who they are in mind.That'swhywe'vebuilt a culture of inclusion and respect, where colleague voices are heard and valued, and everyone is supported to bring their authentic selves to work.
Join NAB
At NAB,we'recommitted to supporting our colleagues with a comprehensive range of benefits designed to help you thrive both professionally and personally, including enhanced leave options, wellbeing support, access to NAB Perks, and ongoing career development opportunities.
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📌 Senior Investigator, Group Investigations (Melbourne)
🏢 National Australia Bank
📍 Melbourne