Senior Infrastructure Engineer

Contract Type:

Temp

Location:

Barton

Industry:

Government & Defence

Contact Name:

Caterina Prpic

Contact Email:

caterina.prpic@harrisonmcmillan.com.au

Contact Phone


Published

05-May-2026

Senior Infrastructure Engineer

Harrison McMillan has partnered with a Federal Government Department to engage a Senior Infrastructure Engineer to help keep critical telephony and videoconferencing services running smoothly, while also contributing to uplift and improvement of secure unified communications (UC) capability. This is a 12-month contract role suited to someone who enjoys a mix of technical support, problem-solving, and delivery work in complex environments.

What you’ll be focused on

  • Owning technical troubleshooting and improvement across telephony/video collaboration services in a secure environment
  • Partnering with the operations team and Network Operations Centre (NOC) to drive resolution of persistent/complex issues
  • Helping deliver platform upgrades and capability uplift (from planning through to implementation)
  • Producing clear technical artefacts such as designs, SOPs, and build/configuration documentation
  • Supporting assurance activities including validation and verification with a range of stakeholders
  • Working alongside vendors/suppliers to shape practical, outcomes-based solutions
  • Building quick proof-of-concepts and using automation where possible to support testing and delivery

What you’ll bring

  • Degree in Engineering / Computer Science / Telecommunications (or equivalent industry experience)
  • Strong experience supporting collaboration/UC services, including telephony and videoconferencing technologies
  • Confidence working in secure, process-driven environments with strong documentation expectations

Desirable experience (highly regarded)

  • Networking fundamentals: Juniper routing/switching, DHCP, DNS, SNMP, TCP/IP, UDP, NTP, VLANs
  • Automation/scripting: PowerShell, Python, Bash, Ansible (or similar)
  • Virtualisation / hyper-converged environments, Active Directory, PKI certificate services
  • QoS implementation/testing including DSCP traffic markings within secure federated environments
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