Technical Officer – Network

6 days ago

Sydney, New South Wales, Australia Nixil Full time $120,000 - $180,000 per year

Are you an experienced Network Engineer looking to apply your skills in a mission-critical Defence environment?

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.

Security Clearance Required for this role:

  • Must have a Negative Vetting 2 (NV2) security clearance
  • Must be an Australian Citizen

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