Technical Officer – Messaging

20 hours ago

Sydney, New South Wales, Australia Nixil Full time $90,000 - $120,000 per year

We're seeking a Technical Officer – Messaging to join our Maritime Operations team and provide specialist support.

We're seeking a
Technical Officer – Messaging
to join our Maritime Operations team and provide specialist support for mission-critical IT systems that keep Defence operations running seamlessly, both ashore and deployed.

What you'll do:

  • Provide expert support for messaging infrastructure in
    multi-forest, distributed environments
    .
  • Diagnose, troubleshoot, and resolve complex technical issues, ensuring system uptime under challenging conditions (including DDIL environments).
  • Configure and maintain systems in line with
    Defence ICT security protocols
    .
  • Manage and support
    Exchange, Active Directory, Message Transfer Agents, Microsoft Skype, and XMPP tools
    .
  • Proactively patch, upgrade, and maintain Minerva systems within Defence timeframes.
  • Develop SOPs, technical guides, and contingency plans for system continuity.
  • Mentor and train technical staff, including ship CIS teams during set-to-work activities.
  • Build, deploy, and support hardware and software solutions.
  • Manage
    digital certificates
    and user accounts across Minerva environments.
  • Work collaboratively with vendors and partner teams to resolve incidents and maintain SLAs.
  • Participate in on-call rotations for high-priority incidents.

What we're looking for:

  • Proven experience in
    Defence as a Messaging Technician
    .
  • Hands-on expertise with
    Exchange, Active Directory, Skype, XMPP, and messaging infrastructure
    .
  • Strong integration skills across complex ICT systems.
  • Excellent communication skills—able to work with diverse stakeholders and document technical solutions clearly.
  • Experience supporting
    secure, regulated environments
    .
  • Previous Minerva system experience.

Highly regarded skills:

  • Exposure to
    Fortinet, Cisco, HYCU, Titus, Ivanti, Red Hat, Tanium, Carbon Black, Elastic monitoring
    or related technologies.
  • A proactive, solutions-focused mindset with the ability to manage multiple priorities under tight deadlines.

Security Clearance Required for this role:

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

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