Job Title: Senior Infrastructure Engineer (4 Positions)
Security Clearance: Must be able to obtain Baseline
Duration: Initial contract to 30 June 2027 with 2 x 12-month extensions
Industry: Information Technology
Functional Expertise: ICT Infrastructure Engineering
Sub-functional Expertise: Systems Administration, Network Engineering, Virtualisation, Secure Gateways, Data Centre Operations and Infrastructure Architecture
Location of work: Canberra, ACT
Working arrangements: Hybrid – Successful applicants must work full-time on site for the first 3 months or until they understand the ICT landscape, requirements and project objectives. Flexible working arrangements may be considered thereafter, subject to approval and operational requirements. Contractors must work on site in Canberra at least 3 days per week. Remote working expenses, including travel, accommodation, utilities and equipment, are the contractor's responsibility.
Closing date: Wednesday, 21 October 2026
Description:
Our client is seeking four experienced Senior Infrastructure Engineers to design, implement, maintain and enhance complex ICT infrastructure environments supporting critical digital services.
The successful candidates will provide technical leadership across physical, virtual, networking and cloud infrastructure, ensuring systems remain secure, reliable and aligned with operational requirements.
The roles involve managing virtualised server environments, secure web and email gateways, network infrastructure, data centre operations and infrastructure lifecycle activities. Candidates will contribute to infrastructure modernisation, security improvements, system migrations and the transition of legacy technologies.
Working collaboratively with project teams, technical specialists, service providers and stakeholders, the Senior Infrastructure Engineers will lead technical deliverables, resolve complex infrastructure issues and support the implementation of secure and scalable ICT solutions.
Responsibilities:
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Provide technical expertise and leadership to project teams and business areas, taking responsibility for technical deliverables.
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Maintain, monitor and upgrade Virtual Service Environment (VSE) infrastructure and associated servers.
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Plan, design, develop, test and maintain new and existing virtual services in accordance with technical guidelines and operational requirements.
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Configure and deploy virtual services and servers in alignment with established application operational models.
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Lead infrastructure analysis, planning, implementation, delivery and performance improvement activities.
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Promote the adoption of virtual services through technical workshops and stakeholder engagement.
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Provide technical guidance and support to project teams responsible for maintaining virtual service environments.
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Support the management and operation of secure internet gateways, secure systems, data centres and network services.
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Implement infrastructure projects, enhancements and remediation activities across network and gateway environments.
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Manage competing technical priorities, project deliverables and operational deadlines.
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Collaborate with internal and external service providers to coordinate infrastructure activities.
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Support infrastructure capacity planning, including mainframe environments.
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Manage server and network infrastructure across geographically dispersed environments.
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Oversee ICT infrastructure asset lifecycle management, including maintenance, upgrades and decommissioning.
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Coordinate data centre operations, service delivery and vendor management.
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Support data centre footprint optimisation across multiple facilities.
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Prepare and maintain business specifications, functional specifications, as-built documentation, standard operating procedures, deployment guides and technical specifications.
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Transfer technical knowledge to internal staff and maintain documentation in accordance with organisational recordkeeping requirements.
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Undertake interstate travel as required.
Requirements:
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Ability to obtain a Baseline security clearance.
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Demonstrated experience designing, implementing, maintaining and supporting complex ICT infrastructure environments.
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Strong technical knowledge of Windows Server and Active Directory.
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Experience with Microsoft SCCM, Hyper-V/VMM, SCOM, File and Print services, and Exchange.
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Knowledge of DNS and DHCP services.
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Experience with enterprise routing and switching technologies, with Cisco experience desirable.
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Experience managing firewalls and load-balancing technologies, including Palo Alto, Fortigate and F5.
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Knowledge of secure web gateways, secure email gateways and associated network security technologies.
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Experience with data centre design, migration and implementation.
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Familiarity with x86 platforms, including Windows and Red Hat Linux.
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Knowledge of IBM P-Series environments, including AIX and Linux.
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Experience with data centre networks, MAN, WAN and storage fabrics.
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Ability to develop infrastructure architecture, technical specifications and operational documentation.
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Demonstrated experience investigating and resolving complex infrastructure problems.
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Understanding of the Protective Security Policy Framework (PSPF) and Information Security Manual (ISM) in relation to network service delivery.
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Ability to provide technical leadership, coordinate infrastructure activities and manage competing priorities.
Key Capabilities:
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Infrastructure Engineering: Expertise in implementing, maintaining and optimising physical, virtual, networking and cloud infrastructure.
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Systems Administration: Strong knowledge of Windows Server, Active Directory, Microsoft infrastructure technologies and Linux environments.
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Virtualisation Technologies: Experience managing virtual server environments, including Hyper-V/VMM and associated infrastructure services.
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Network Engineering: Understanding of enterprise routing, switching, DNS, DHCP, network architecture and connectivity.
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Cyber Security Infrastructure: Experience supporting secure gateways, firewalls, load balancers and infrastructure security controls.
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Data Centre Management: Capability in data centre design, migration, operations, infrastructure lifecycle management and optimisation.
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Systems Design and Architecture: Ability to design complex infrastructure solutions that balance functional and non-functional requirements.
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Problem Management: Experience identifying, investigating and resolving complex technical problems while implementing preventative measures.
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Technical Leadership: Ability to lead infrastructure projects, coordinate technical teams and provide guidance to stakeholders.
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Scripting and Automation: Experience developing, testing, maintaining and improving scripts to support infrastructure operations.
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Technical Documentation: Ability to prepare detailed infrastructure specifications, deployment guides, as-built documentation and operational procedures.
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Security and Compliance: Understanding of PSPF and ISM requirements relevant to secure network services and ICT infrastructure.
Essential Criteria:
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IT infrastructure level 4: Provides technical expertise to enable the correct application of operational procedures. Contributes to the planning and implementation of infrastructure maintenance and updates.
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Systems installation and removal level 5: Takes responsibility for installation and/or decommissioning projects. Provides effective team leadership, including information flow to and from the customer during project work.
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Systems design level 5: Designs large or complex systems and undertakes impact analysis on major design options and trade-offs. Ensures that the system design balances functional and non-functional requirements.
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Problem management level 4: Initiates and monitors actions to investigate and resolve problems in systems, processes and services. Determines problem fixes and remedies.
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Programming/software development level 3: Designs, codes, verifies, tests, documents, amends and refactors moderately complex programs/scripts. Applies agreed standards and tools to achieve a well-engineered result.
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Demonstrated experience with secure web gateways, secure email gateways, and understanding of the PSPF and ISM frameworks in relation to delivery of network services.
Desirable Criteria:
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Availability management level 5: Provides advice and guidance on the planning, design and improvement of service and component availability.
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Demonstrated experience with enterprise routing and switching technologies (experience with Cisco technology highly desirable).
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Demonstrated experience with firewall and load balancing technologies (experience with Palo Alto, Fortigate and F5 Networks highly desirable).
How to apply:
Please submit your application including your resume and a completed application form addressing the essential and desirable criteria. Ensure your application highlights your experience and any relevant certifications.
| Job type: | Contract |
|---|---|
| Emp type: | Full-time |
| Pay rate: | negotiable |
| Job published: | 19/10/2026 |