M365 Lead Engineer

Overview

- ASAP start available – hit the ground running on a high-profile federal transformation program.

- 12-month contract + 2 × 6-month extensions – offering long-term security and career stability.

- Play a lead role in architecting and delivering a next-generation secure Microsoft 365 collaboration platform of national significance.

M365 Lead Engineer – Secure Collaboration Program

Shape the future of secure collaboration for a major Federal Government transformation program.

We are seeking an experienced M365 Lead Engineer to take a pivotal role in the design, governance, and delivery oversight of a next-generation Microsoft 365 (M365) collaboration environment. This is a landmark program enabling secure, scalable, and compliant collaboration across government, industry, and partner organisations.

About the role

As the M365 Lead Engineer, you will be responsible for defining the architecture, providing technical governance, and guiding delivery across the full lifecycle—design, build, deploy, and sustain. Working closely with program managers, cyber security and compliance teams, and senior stakeholders, you will ensure the platform meets strategic, technical, and governance objectives.

You will set the technical direction, approve key design decisions, and represent engineering in high-level forums. This is a leadership-focused engineering role with hands-on accountability for ensuring the M365 environment is robust, resilient, and compliant with government security standards.

Key responsibilities

- Lead the overall architecture and secure design of the M365 collaboration environment.

- Provide technical governance and oversight across design, delivery, and operations.

- Engage with program managers, business stakeholders, and cyber security teams.

- Approve technical decisions and manage delivery risk across phases.

- Represent engineering in executive, governance, and stakeholder forums.

- Oversee cross-team coordination and resolve escalated technical issues.

Extended technical responsibilities

- Tenant design and landing zone configuration.

- License strategy development and cost optimisation.

- Change & release management oversight.

- Documentation standards and lifecycle governance.

- Resilience, backup, and data lifecycle planning.

- Platform engineering and developer experience optimisation

Skills & experience

We are looking for candidates with:

- Extensive experience leading design and delivery of Microsoft 365 services in complex or secure environments.

- Proven expertise in tenant architecture, governance, and lifecycle management.

- Strong stakeholder engagement skills with the ability to operate at both technical and executive levels.

- Knowledge of government cyber security and compliance frameworks (ISM, PSPF, IRAP, or equivalent).

- Understanding of Cyber GRC, Zero Trust, and federated identity models.

- Experience with licensing optimisation, resilience planning, and platform engineering practices.

- Australian citizenship with an active security clearance (NV1 or higher) is essential.

Why join?

- Play a key leadership role in a program of national significance.

- Influence the design and delivery of a flagship M365 collaboration platform.

- Work with a skilled engineering team and cutting-edge Microsoft security technologies.

- Long-term contract opportunities with Paxus, a trusted supplier of ICT talent to government.

📩 Apply now to lead the design and delivery of Australia’s next-generation secure M365 collaboration environment.

To be considered for the role click the 'apply' button or for more information about this and other opportunities please contact Rashmi Kapse on + 612 6151 9206 or email rkapse@paxus.com.au and quote the 271911 job reference number.

Paxus values diversity and welcomes applications from Indigenous Australians, people from diverse cultural and linguistic backgrounds and people living with a disability. If you require an adjustment to the recruitment process, including the application form in an alternate format, please contact me on the above contact details.

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