Job Description
AUSTRALIAN CITIZENSHIP REQUIRED FOR THIS POSITION: Yes
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RELOCATION ASSISTANCE: Relocation assistance may be available
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CLEARANCE TYPE: AU- Secret (NV1)
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TRAVEL: Yes, 10% of the Time
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Description
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At Northrop Grumman Australia, our people are at the heart of delivering some of Australia's most important Defence capabilities. We're looking for a highly organised and proactive Business Support Assistant to join our Triton team and help keep our operations running smoothly. This is a fantastic opportunity to build your career in a collaborative environment where your contributions directly support a critical Defence program.
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Your role:
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As the Triton Business Support Assistant, you'll be the go-to person for administrative and business support activities across our Edinburgh site. You'll play a key role in supporting the Triton leadership team, coordinating office operations, managing invoicing processes and ensuring a seamless experience for employees and visitors alike.
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Key responsibilities include:
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Providing high-level administrative support to the Triton management team.
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Coordinating meetings, preparing agendas and taking minutes.
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Managing supplier invoices, purchase order receipts and reconciliations.
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Supporting customer invoicing activities and business reporting.
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Acting as the Time Recording Champion to support compliance and reporting.
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Assisting with travel, expenses, corporate cards and employee administration.
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Coordinating office services, facilities, uniforms,



stationery and site requirements.
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Maintaining records, SharePoint content and business documentation.
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This is a diverse role that offers variety, stakeholder engagement and the opportunity to make a meaningful contribution to a program that supports Australia's national security.
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About you:
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You're an organised team player who thrives in a fast-paced environment and enjoys supporting others to succeed. You take pride in delivering high-quality work, building strong relationships and finding practical solutions.
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To be successful, you'll bring:
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Previous administration experience in a busy office environment.
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Strong organisational skills with the ability to manage competing priorities.
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Excellent communication and stakeholder engagement skills.
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A proactive, customer-focused approach and solid attention to detail.
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The ability to work independently and meet deadlines.
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Proficiency in Microsoft Word, Excel and PowerPoint.
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The ability to obtain and maintain an AGSVA Baseline Security Clearance.
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Experience in business administration, bookkeeping, accounting or ERP systems will be highly regarded.
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Join a team where your work matters.



At Northrop Grumman Australia, you'll be empowered to grow your career, contribute to meaningful outcomes and help define what's possible for Australia's Defence future.
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What we offer:
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Whatever your role, life stage or background, you can shape your career here in your way with highly challenging work, great colleagues and career development, plus a range of flexible benefits and working patterns.
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Professional development – further education, leadership development, professional industry memberships and unlimited access to a range of online training.
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Salary packaging including novated car leases and the option to purchase additional annual leave.
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Flexible working options, including hybrid working, 9 day fortnights, volunteer leave and varying start and finish times to suit your family needs.
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18 weeks paid parental leave and 2 weeks paid reservist leave.
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We offer all employees access to our Health & Wellbeing program and Employee Assistance program.
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Employee Discount Program.
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Employee Recognition Program.
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For more information or a confidential discussion, please contact
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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

📌 Business Support Assistant (South Australia)
🏢 Northrop Grumman
📍 South Australia