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Senior System Administrator FSR (Field Service Representative)

Segment (Twilio)Canberra, Australian Capital Territory🇦🇺AustraliaPosted 22 Jul 2026

Quick Overview

Work Type
On Site
Schedule
Full Time
Level
Mid Senior

Job Description

Senior System Administrator FSR

Position Title: Senior System Administrator FSR - Onsite Support.

Overview

Support the Australian Defence Force (ADF) by enabling system operations for the JP9347 JIC System program, which facilitates tactical, operational, and strategic data exchange across the Joint Force and coalition partners.

Key Responsibilities
  • Provide on-site and field technical support to ADF operators and maintainers, including helpdesk services.
  • Perform maintenance and upgrades on the JIC System to resolve technical issues.
  • Ensure compliance with Defence and Raytheon Australia policies on Global Trade, EHSW, and Finance.
  • Coordinate travel arrangements with the customer as required.
  • Assist in training and mentoring of System Administrators.
Skills, Experience & Qualifications
  • System Administration qualifications, including CCNA/P (Cisco Certified Network Associate/Professional) or higher; equivalent knowledge and experience.
  • Experience with Windows/Domain: MSCA or equivalent.
  • VMware: VCP or equivalent.
  • SIEM experience.
  • Minimum 6 years' experience in complex IT system maintenance and administration.
  • Previous Level 2 or Level 3 Network Engineer experience on bespoke networks.
  • Understanding of IT systems, networks, user administration, and software management.
  • Willingness to undertake interstate travel up to 2-3 weeks at a time.
  • Ability to provide training and mentoring for System Administrators.
  • Desirable knowledge of radio frequencies, networking, modems, and communications technologies.
  • Eligibility to obtain and maintain a NV2 Security clearance.

Eligibility can be found at

Benefits & Growth Opportunities

Access to best practice tools, systems and processes, and tailored learning and development opportunities.

Equal Employment Opportunity

RTX adheres to the principles of equal employment. All qualified applications will be given careful consideration without regard to ethnicity, color, religion, gender, sexual orientation or identity, national origin, age, disability, protected veteran status or any other characteristic protected by law.

Skills

VMware

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