Principal Product Security Engineer

Melbourne, Australia March 26, 2026 Full Time Myob Careers Portal (Generic Careers System)

We’re a leading business management solution with a core purpose: helping more businesses in Australia and New Zealand start, survive and succeed.

At MYOB, we believe what’s good for one business is good for all business—and for all of us. Whether you support them, work for them, or dream of building your own, when businesses run smoothly, everybody feels it. Owners, employees, customers, suppliers—even families. That’s why we’re here: to give every person in business the tools they need to focus on what really matters and do Big Things—whatever big looks like for them.

And for you? Joining MYOB means being part of that impact. It means using your skills to help businesses thrive, shaping the future of work, and growing alongside the people and communities we support. Because while we’re the business of software, we’re really in the business of people. And that makes MYOB Everyone’s Business.

About the role

Join our dedicated Security team as a Principal Product Security Engineer. You’ll play a key role in helping our Engineering teams deliver secure software at speed. This role supports teams to shift-left on security and contributes to innovative security principles and securing new technologies.

You’ll contribute to internal tooling, architecture reviews, strategy, risk identification through threat modelling, and mentoring engineers on practical remediation.

Who you are;

You’re an experienced security professional who can partner closely with engineering teams to uplift security across cloud-based products. You balance hands-on technical depth with the ability to influence, educate, and drive scalable security improvements.

Proven experience in security roles supporting cloud-based services, with strong knowledge of application and product security, OWASP Top 10, CWE/SANS Top 25, and compliance frameworks such as NIST, PCI DSS, and ISO 27001
Secure-by-design mindset, designing pragmatic security solutions that fit domain needs and influencing developers to drive secure adoption
Strong communicator, able to engage diverse audiences, bridge knowledge gaps, and lift overall security understanding
Security assurance expertise, including solution design reviews, compliance reviews, ad-hoc source code reviews, and security maturity assessments
Hands-on and technically confident, comfortable reading or writing code, introducing security concepts (e.g. canary deployments, feature/launch flags), and supporting peers with security queries
Continuous improvement focus, proactively identifying patterns, trends, automation, frameworks, and tooling to improve code and data security, while thriving in fast-paced, collaborative environments with a customer-first mindset

About the role

You’ll contribute to internal tooling, architecture reviews, strategy, risk identification through threat modelling, and mentoring engineers on practical remediation.

Who you are;

Proven experience in security roles supporting cloud-based services, with strong knowledge of application and product security, OWASP Top 10, CWE/SANS Top 25, and compliance frameworks such as NIST, PCI DSS, and ISO 27001
Secure-by-design mindset, designing pragmatic security solutions that fit domain needs and influencing developers to drive secure adoption
Strong communicator, able to engage diverse audiences, bridge knowledge gaps, and lift overall security understanding
Security assurance expertise, including solution design reviews, compliance reviews, ad-hoc source code reviews, and security maturity assessments
Hands-on and technically confident, comfortable reading or writing code, introducing security concepts (e.g. canary deployments, feature/launch flags), and supporting peers with security queries
Continuous improvement focus, proactively identifying patterns, trends, automation, frameworks, and tooling to improve code and data security, while thriving in fast-paced, collaborative environments with a customer-first mindset

Our Culture & Benefits

At MYOB our values are at the heart of everything we do. If you want to work and collaborate where opinions are valued, and your ideas can make a difference, come to a place where Your Work Matters.

🎥 See what it's like to work at MYOB and what we're all about.

🟣Enjoy a flexible, hybrid workplace that brings balance to how you work, all of our centrally located offices come together for a number of in-person celebrations and social events

🟣Set up your home office with a little financial help from us, and take advantage of great corporate discounts and vouchers from top retailers

🟣Benefit from our partnership with Sonder, which supports the wellbeing of our team members

🟣Unlock your potential via in-house training and programs, LinkedIn Learning, conferences and study assistance

🟣Access to a variety of leave options available to support your wellbeing, including up to an additional four weeks of purchased leave, generous parental leave, domestic violence leave, transgender leave, community leave, study leave, and more

🟣Join our communities, built around ‘Wellness’, ‘Belonging’ and the ‘Planet’ where you can make a meaningful contribution

At MYOB, we’re all about embracing difference and backing people to be their true selves. We’re proud to be an equal opportunity employer and big believers that the best hires don’t just fit our culture — they add to it. That means bringing your unique contributions, lived experiences, and fresh perspective to the table.

Love the sound of MYOB and this role but don’t tick every single box in this ad? Apply anyway! Studies show that women and underrepresented groups often hold back if they don’t meet every requirement — but we want to hear from you.

We’re proud to be a Circle Back Initiative Employer and we commit to responding to every applicant.

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How to Get Hired at MYOB

MYOB is a ~1,500-person Australian accounting software vendor owned by KKR since 2019 for approximately AUD 2.4 billion; an IPO or trade-sale exit is plausible in the medium term
The company competes fiercely with Xero in ANZ SMB cloud accounting and has genuinely lost share over the past decade; it is now pushing up-market via the MYOB Acumatica mid-market ERP partnership

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