Senior Infrastructure Engineer

Calleo; Canberra; Hybrid; AUD 120,000 - 160,000; Full time

Job summary

Calleo is seeking an experienced Infrastructure Engineer for a Federal Government contract in Canberra to design, implement, and support enterprise infrastructure across on-premises and hybrid cloud. You will ensure availability, performance, security, and continuous improvement while collaborating with cloud, cybersecurity, networking, and application teams.

This role requires strong server administration, virtualization, storage, backup, networking, and identity management skills, with

Qualifications

• Experience administering and supporting enterprise infrastructure across on-premises and hybrid environments.
• Experience with server administration, virtualization, storage, backup, networking, and identity management technologies.
• Experience deploying, maintaining, patching, and troubleshooting infrastructure services within large-scale ICT environments.
• Understanding of infrastructure security, vulnerability management, risk management, and compliance requirements.
• Strong stakeholder engagement and communication skills, with the ability to explain technical concepts to both technical and non-technical audiences.
• Experience working within Incident, Problem, and Change Management frameworks.
• Based in Canberra or willing to work from Canberra.

Responsibilities

• Design, implement, maintain, and support enterprise infrastructure services.
• Monitor performance, availability, and capacity of systems.
• Troubleshoot complex infrastructure incidents and issues.
• Develop and maintain automation using scripting and IaC.
• Implement system upgrades, patches, and security remediation.
• Contribute to technical documentation and procedures.
• Support infrastructure projects and refresh programs.
• Collaborate with cloud, cybersecurity, networking, and apps teams.
• Participate in Incident, Problem, and Change Management processes.
• Contribute to on-call support as required.

Skills

Server administration

Virtualisation

Storage

Backup

Networking

Identity management

Automation

Infrastructure as Code

Documentation

Security & compliance

Stakeholder engagement

Incident, Problem & Change Management

Tools

Azure

MECM

Microsoft Defender for Endpoint

Ivanti

Entra ID

Exchange

Active Directory

Job description

Federal Government

Canberra Location

Contract Opportunity

A Federal Government Department is seeking an experienced Infrastructure Engineer to support and maintain critical enterprise infrastructure services across on-premises and hybrid cloud environments. This is an excellent opportunity to work within a large and complex ICT environment, supporting mission‑critical systems and contributing to the delivery of secure, reliable, and modern technology services.

About the Role

As an Infrastructure Engineer, you will be responsible for the design, implementation, maintenance, and ongoing support of enterprise infrastructure platforms and services. You will play a key role in ensuring the availability, performance, security, and continuous improvement of infrastructure systems while collaborating closely with technical teams, business stakeholders, and external vendors.

Key Responsibilities

• Design, implement, maintain, and support enterprise infrastructure services, including:
  • Server platforms
  • Virtualisation technologies
  • Storage and backup solutions
  • Networking services
  • Identity and access management platforms
• Monitor infrastructure performance, availability, and capacity to ensure systems remain secure, reliable, and fit for purpose.
• Troubleshoot and resolve complex infrastructure incidents and technical issues.
• Develop and maintain automation solutions using scripting and Infrastructure as Code (IaC) methodologies.
• Implement system upgrades, patches, security remediation activities, and configuration changes.
• Contribute to technical documentation, operational procedures, standards, and infrastructure designs.
• Support infrastructure projects, technology refresh programs, and continuous service improvement initiatives.
• Collaborate with cloud, cybersecurity, networking, and application teams to deliver integrated technology solutions.
• Participate in Incident, Problem, and Change Management processes.
• Contribute to on‑call support arrangements for critical infrastructure services when required.

Essential Skills & Experience

• Demonstrated experience administering and supporting enterprise infrastructure services across on-premises and hybrid environments.
• Strong experience with server administration, virtualisation, storage, backup, networking, and identity management technologies.
• Proven experience deploying, maintaining, patching, and troubleshooting infrastructure services within large-scale ICT environments.
• Sound understanding of infrastructure security, vulnerability management, risk management, and compliance requirements.
• Strong stakeholder engagement and communication skills, with the ability to explain technical concepts to both technical and non-technical audiences.
• Experience working within Incident, Problem, and Change Management frameworks.
• Ability to produce high-quality technical and operational documentation.
• Must be based in or willing to work from Canberra.

Desirable Experience

• Microsoft Azure and hybrid cloud environments.
• Infrastructure automation and Infrastructure as Code (IaC) technologies.
• Cloud telephony, unified communications, or collaboration platforms.
• Enterprise management and vulnerability management tools such as MECM, Microsoft Defender for Endpoint, Ivanti, or similar technologies.
• Microsoft Active Directory, Entra ID, Exchange, and identity management services.
• Knowledge of Australian Government cybersecurity frameworks, including ISM, PSPF, and Essential Eight.
• ITIL, TOGAF, or other relevant industry certifications.

Security Clearance To be eligible for this role, candidates must hold a current Negative Vetting Level 1 (NV1) Security Clearance.

What's on Offer?

• Long-term Federal Government contract opportunity.
• Work on large-scale, business-critical infrastructure environments.
• Exposure to modern cloud and hybrid technologies.
• Collaborative and high‑performing technical team.
• Opportunity to contribute to nationally significant services and programs.

Calleo is an equal opportunity employer and we encourage applications from all people including Aboriginal and Torres Strait Islander peoples.