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Principal Linux System Administrator Portsmouth RI - Raytheon
Systems Engineer
Lead Linux system administration for high‑security defense projects, driving infrastructure reliability, automation, and compliance using Bash, Python, and AWS.
About the role
Key Responsibilities
- Design, implement, and maintain secure Linux environments for mission‑critical applications.
- Develop and maintain automation scripts in Bash and Python to streamline deployments and monitoring.
- Collaborate with cross‑functional teams to integrate AWS services while ensuring compliance with DoD security standards.
- Perform root cause analysis, capacity planning, and performance tuning for high‑availability systems.
- Lead incident response, vulnerability management, and continuous improvement initiatives.
Requirements
- 10+ years of Linux system administration experience in a defense or high‑security environment.
- Proficiency with Bash, Python, and AWS infrastructure services.
- Strong networking knowledge (TCP/IP, VPN, firewall configuration).
- Active U.S. government security clearance (Secret) or ability to obtain it.
- Excellent problem‑solving skills and a collaborative mindset.