Senior Infrastructure Technical Specialist Paxus is seeking an experienced

Senior Infrastructure Technical Specialist

to provide technical engineering, design assurance and systems engineering support across a large portfolio of complex Commonwealth ICT infrastructure projects.

This is a senior technical role suited to someone with broad infrastructure expertise who can assess complex designs, challenge technical assumptions and provide authoritative advice across data centre, network, compute, cloud and security environments.

The Role

Working across a significant portfolio of domestic and international ICT projects, you will:

Review technical designs, engineering artefacts and solution proposals

Provide senior design and systems engineering advice

Assess technical and contract change proposals for feasibility, integration impact and value for money

Review vendor designs, specifications, bills of materials and sizing assumptions

Provide technical assurance across complex infrastructure solutions

Identify technical risks, dependencies and impacts across interconnected environments

Support design assurance, governance and solution acceptance activities

Provide clear technical advice to project teams, senior stakeholders and industry partners.

What We're Looking For

You will bring strong experience across several of the following areas:

Data Centres Tier II / Tier III environments, resilience, redundancy, rack and white-space design, structured cabling, power architecture, capacity planning and physical security.

Enterprise Networking Core and access architectures, routing, switching, firewalls, high availability, secure gateways, WAN connectivity and complex network integration.

Compute & Virtualisation VMware or equivalent platforms, enterprise storage, backup and recovery, scalability,



lifecycle planning and infrastructure performance.

Cloud & Automation Hybrid cloud architecture, cloud connectivity, landing zones, infrastructure-as-code, automation and CI/CD concepts.

Security Security-by-design principles and practical knowledge of Commonwealth security frameworks including the

ISM, PSPF and Essential Eight .

Systems Engineering & Architecture Experience applying systems engineering and enterprise architecture principles across complex, multi-vendor ICT environments.

About You You will be comfortable working across multiple technical domains rather than operating as a specialist in only one technology.

You should be able to look at an infrastructure solution as a whole, understand how its components interact and identify the broader implications of proposed technical changes.

Experience within Commonwealth Government, national security, critical infrastructure or another highly controlled enterprise environment will be highly regarded.

Solid stakeholder engagement skills are essential, along with the ability to explain complex technical issues clearly and provide credible advice to senior decision-makers.

Security Clearance Active AGSVA Negative Vetting Level 1 (NV1) security clearance is required .

If you're an experienced infrastructure architect, senior systems engineer or technical specialist looking for a role where your technical judgement will influence major ICT infrastructure decisions, we'd like to hear 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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📌 Senior Infrastructure Technical Specialist (Yarralumla)
🏢 Paxus
📍 Yarralumla