Senior System Administrator (Field Service Representative)

About the role

Raytheon Australia is seeking a Senior System Administrator FSR to support the Joint Data Networks program for the Australian Defence Force. You will provide on‑site and field support, helpdesk services, and assist with system upgrades and training.

Key responsibilities

• Provide technical on‑site and field support to ADF operators and maintainers, including helpdesk services.
• Perform maintenance and upgrades on the JIC System as required.
• Ensure compliance with Defence and Raytheon policies (Global Trade, EHS&W, Finance).
• Coordinate travel with the customer and deliver training/mentoring to other System Administrators.

Required profile

• Minimum 6 years experience in complex IT system maintenance and administration.
• Previous Level 2/3 Network Engineer experience with bespoke networks.
• Willingness to travel interstate for up to 2‑3 weeks at a time.
• Eligibility to obtain and maintain NV2 Security clearance.

Required skills

• CCNA/P (Cisco Certified Network Associate/Professional) certification or equivalent.
• Microsoft Certified Solutions Associate (MSCA) or equivalent for Windows/Domain.
• VMware Certified Professional (VCP) or equivalent.
• Experience with SIEM tools.
• Strong knowledge of networking, routing, switching, and system administration.