Technical Officer – Network

Nixil; Perth; On-site; AUD 100,000 - 125,000; Full time

Job summary

A leading technology firm is seeking a Network/Gateway Engineer to support the Royal Australian Navy's Minerva systems. In this role, you will be responsible for providing specialist network support, diagnosing complex issues, and designing advanced network solutions. The ideal candidate must have a proven track record and expertise in routing, switching, and various networking technologies. This position requires a Negative Vetting 2 security clearance and is office-based in Sydney CBD, Perth CBD, or Canberra.

Qualifications

• Proven experience as a Network/Gateway Engineer.
• Hands-on expertise in various networking technologies.
• Excellent communication and collaboration skills.

Responsibilities

• Provide specialist network support to Defence ICT systems.
• Diagnose and resolve complex technical issues.
• Design, build, and deploy advanced network solutions.
• Collaborate with Defence partners to resolve incidents.

Skills

Routing

Switching

IPSec

VPNs

VLANs

OSPF

BGP

MPLS TE

Next-gen firewalls

VoIP

Enterprise WLAN

NAC

Segmentation

Network telemetry

Microsoft administration

Citrix administration

Hypervisors

Technical writing

SEA2273 Minerva systems

Job description

Security Clearance Required for this role:

• Must have a Negative Vetting 2 (NV2) security clearance
• Must be an Australian Citizen
• Mon to Fri - office hours
• Office location in Sydney CBD, Perth CBD and Canberra

Join our team supporting the Royal Australian Navy’s Minerva systems, where you’ll design, maintain, and secure complex ICT networks that keep operations connected — even in the most challenging conditions.

What you’ll do:

• Provide specialist network support to deployed Defence ICT systems.
• Diagnose and resolve complex technical issues promptly.
• Work creatively within DDIL constraints to maintain system functionality.
• Ensure compliance with Defence ICT security protocols.
• Design, build, and deploy advanced network solutions.
• Proactively patch, upgrade, and maintain Minerva systems.
• Develop SOPs, build guides, and technical documentation.
• Collaborate with Defence partners and vendors to resolve incidents.
• Mentor onsite staff and assist with training ship CIS teams.
• Participate in an on-call rotation for high-priority incidents.

What we’re looking for:

• Proven experience as a Network/Gateway Engineer.
• Hands-on expertise in:
• Routing, switching, IPSec, VPNs, VLANs, OSPF, BGP, MPLS TE.
• Next-gen firewalls, VoIP, enterprise WLAN, NAC, segmentation.
• Network telemetry (NetFlow, SNMP, etc.).
• Strong background in Microsoft (Exchange, Active Directory, Skype) and Citrix administration.
• Experience with hypervisors and virtual desktop infrastructure.
• Excellent communication, collaboration, and technical writing skills.
• Experience with SEA2273 Minerva systems.
• Defence maritime platform ICT build and integration.
• Familiarity with Defence network environments and secure, regulated settings.
• Knowledge of architecture frameworks, testing, and evaluation procedures.