System Administrator

AUSTRALIAN CITIZENSHIP REQUIRED FOR THIS POSITION: Yes

RELOCATION ASSISTANCE: Relocation assistance may be available

CLEARANCE TYPE: AU-TSPV (Positive Vetting)

TRAVEL: Yes, 25% of the Time

Description

Build something that matters

At Northrop Grumman, we’re expanding our Triton team, and this is your opportunity to be part of something genuinely impactful.

We’re building a high-performing group of Systems Administrators to support one of Australia’s most advanced Defence capabilities. This isn’t just another IT role, it’s a chance to work on cutting-edge technology in a mission-critical environment where reliability, security, and performance truly matter.

Why this role is different

If you’re a Systems Administrator who enjoys solving complex problems and taking ownership, this role gives you the chance to:

• Work on high-tech platforms supporting real-world Defence operations

• Be part of a growing team, shaping how systems are managed and improved

• Move beyond repetitive ticket work into hands-on, impactful technical challenges

• Build your expertise in a secure, large-scale, and highly specialised environment

What you’ll be doing

You’ll play a key role in ensuring systems are reliable, secure, and mission-ready:

• Supporting and maintaining complex IT systems and networks

• Monitoring system health and responding to issues in real time

• Troubleshooting across infrastructure, networks, and hardware

• Performing upgrades, patching, and continuous system improvements

• Managing user access, security controls, and system integrity

• Working closely with engineering and operational teams to keep systems running at peak performance

What’s in it for you

• Work on a national Defence capability with real impact

• Flexible working options - including hybrid working, 9 day fortnights, volunteer leave and varying start and finish times to suit your family needs

• Gain exposure to advanced, large-scale systems and infrastructure

• Develop your skills in a high-trust, high-performance environment

• Professional development – further education, leadership development, professional industry memberships and unlimited access to a range of online training 

About you:

• Australian Citizenship is required

• You must be holding a current NV1 or NV2 AGSVA security clearance

• Degree or certificate in Communication and Information Systems and or IT OR 3+ years in practical experience

• Experience in Systems Administration or IT Support (L2/L3 level)

• Strong knowledge of Windows environments and infrastructure

This position required a Top-Secret Positive Vetting (TSPV) clearance. You must either currently hold or be eligible to hold this level clearance.

Note: As a Defence security clearance (TSPV) is required for this role, you will need to be an Australian Citizen. International Traffic in Arms Regulations (ITAR) are applicable, so your nationality may be a factor in determining your suitability for this role.

Ready to take the next step?

If you’re looking for a role where you can take ownership, solve meaningful problems, and work with leading-edge technology, we’d love to hear from you.

Everyone Matters 
Doing the right thing and sharing success are two values underpinning how we behave at Northrop Grumman. Here, everyone matters including candidates from diverse backgrounds. 

We are particularly proud of our commitment to reconciliation with Aboriginal and Torres Strait Islander people as demonstrated through our Second Innovate RAP (2024-2026), and our support for Veteran employment, and welcome Aboriginal and Torres Strait Islander people and Veterans to apply to join our team. 

 For more information or a confidential discussion, please contact [email protected] NB Files cannot be sent to this address.

As a Defence security clearance is required for this role, you must be an Australian Citizen. International Traffic in Arms Regulations (ITAR) are applicable, as such your nationality may be a factor in determining your suitability for this role. You will also need to satisfy police checks and employment screening verification. 

We are proud to be WORK180 accredited – check us out here Northrop Grumman Australia | WORK180 Endorsed Employer