M365 Lead Engineer | NV1 | ARCH 6
Secure Federal Government environment | NV1 required | Senior architecture and technical leadership role
We are seeking an experienced
M365 Lead Engineer
to lead the architecture, design and technical delivery of a secure collaboration platform within a large and complex Federal Government environment.
The platform is being developed to provide a secure, scalable and integrated collaboration capability for internal users, partner organisations and external stakeholders. Delivered in phases, the environment will support collaboration at the
Protected classification and below
and will integrate with services hosted across a multi-cloud ecosystem.
This is a senior technical role requiring solid
Microsoft 365 architecture capability
, broad platform engineering experience and the ability to provide technical leadership across delivery, governance, security and stakeholder engagement.
What you'll be doing
Lead the overall architecture and design of a secure Microsoft 365 environment.
Provide technical leadership and oversight across platform delivery.
Ensure technical solutions align with project milestones, architecture principles and security requirements.
Engage with project managers, technical teams, business stakeholders and Cyber/GRC functions.
Lead and approve key technical decisions across the platform lifecycle.
Identify, manage and escape technical risks.
Provide technical governance across design, implementation and operational transition.
Coordinate cross-team technical activities and resolve complex or escalated engineering issues.
Represent engineering in senior stakeholder, governance and executive forums.




Ensure the platform integrates effectively with existing systems, cloud services and external service providers.
Technical responsibilities
The role will have responsibility across areas including:
M365 tenant architecture and landing zone design
Federated identity and access management
Role-based access and secure authentication
Logical data segregation and data sovereignty
Multi-cloud integration
Licence strategy and cost optimisation
Change and release management
Technical documentation standards
Platform governance and lifecycle management
Resilience, backup and data lifecycle
Platform engineering and developer experience
Security, compliance and Cyber/GRC alignment
What you'll need
Strong experience designing and delivering complex
Microsoft 365 environments
.
Demonstrated experience in enterprise architecture or senior solution architecture roles.
Strong understanding of Microsoft 365 tenant architecture, identity, security and governance.
Experience working across complex cloud or multi-cloud environments.
Experience providing technical leadership across engineering and delivery teams.
Strong stakeholder engagement capability, including engagement with project, security, governance and executive stakeholders.
Experience managing technical risk, architecture decisions and design assurance.




Strong understanding of secure enterprise environments and government security requirements.
Current
NV1 security clearance
.
Ability to work effectively within a secure Federal Government environment.
Highly regarded
Experience in one or more of the following will be advantageous:
M365 environments operating at
Protected classification
.
Federated identity and access management.
Microsoft Entra ID.
Azure and broader Microsoft cloud services.
Platform engineering and DevOps practices.
Secure collaboration platforms involving external partners or third-party organisations.
Data sovereignty and logical data segregation.
Government Cyber/GRC frameworks.
Large-scale Microsoft 365 transformation or migration programs.
The opportunity
This is an opportunity to take a lead technical role in the development of a significant secure collaboration platform.
You'll have influence across architecture, engineering, governance and delivery, working with senior stakeholders and technical teams to shape a platform designed for long-term scalability, security and integration.
If you are an experienced
M365 Architect or Lead Engineer
with strong technical leadership capability and a current NV1 clearance, we would be interested in hearing from you.
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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📌 Lead Engineer | Nv1 | Arch 6 (Canberra)
🏢 Paxus - Technology + Digital Talent
📍 Canberra