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Senior System Administrator FSR Field Service Representative - Raytheon
Systems Engineer
Senior System Administrator FSR driving mission‑critical infrastructure for the Australian Defence Force, leveraging Linux, Windows Server, networking, virtualization and cloud (AWS/Azure) expertise to ensure secure, high‑availability operations.
About the role
Key Responsibilities
- Design, deploy and maintain secure Linux and Windows Server environments supporting defence mission systems.
- Configure and manage virtualized infrastructure (VMware, Hyper‑V) and cloud services (AWS, Azure) to meet performance and compliance requirements.
- Implement and troubleshoot networking components, including firewalls, VPNs, and routing protocols, ensuring uninterrupted connectivity.
- Develop and maintain automation scripts (PowerShell, Bash) for configuration management, monitoring, and incident response.
- Collaborate with cross‑functional teams to plan capacity, perform upgrades, and implement security hardening measures.
Requirements
- 5+ years of experience in system administration for mission‑critical environments.
- Proficient with Linux (Red Hat/CentOS) and Windows Server (2016/2019) administration.
- Strong networking knowledge (TCP/IP, routing, VPN, firewall configuration).
- Hands‑on experience with virtualization (VMware, Hyper‑V) and cloud platforms (AWS, Azure).
- Excellent scripting skills in PowerShell and Bash, with a focus on automation and security.
Skills
linuxwindows server