> Markdown version of [/jobs/ext/3005928-principal-systems-administrator-ts-sci](https://www.wearedevelopers.com/jobs/ext/3005928-principal-systems-administrator-ts-sci). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Systems Administrator (TS/SCI - **Company:** Red Alpha - **Location:** United States - **Experience:** Expert - **Salary:** $155,000.0 - $225,000.0 - **Contract:** Permanent contract - **Skills:** Confluence, JIRA, Bash Shell, Unix, DevOps, Monitoring of Systems, Python (Programming Language), Nagios, Ansible, Scripting, Istio, Saltstack, Containerization, Kubernetes, Atlassian Tools, Free and Open-Source Software, Puppet, Docker - **Published:** September 19, 2026 - **Apply:** https://www.thejobnetwork.com/job/5d79c40e-3f5c-4b75-b33c-0fadcd93a080/principal-systems-administrator-tssci-with-polygraph-required ## About the Role * Fifteen (15) years' experience as a SA in programs and contracts of similar scope, type, and complexity is required. * Bachelor's degree in a technical discipline from an accredited college or university is required. * Five (5) years of additional SA experience may be substituted for a bachelor's degree. * 5 years experience performing Unix System Administration including installation, configuration, and support of COTS/GOTS software in a large scale Unix cluster environment * 5 years experience writing scripts using Bash/Python * Experience with IaC (Infrastructure as Code) principles and automation tools such as Puppet, SaltStack, and Ansible * Demonstrated experience with the sustainment and support of large Unix Clusters including day-to-day operations, monitoring and problem resolution * Familiar with compliance issues such as STE/STN and PURGE2 * Demonstrated experience using system monitoring tools such as Nagios * An active US Government TS/SCI security clearance with Polygraph Bonus Skills: * Experience with the Atlassian Tool Suite (JIRA, Confluence) * Experience with containerization technologies such as Docker * Experience with container orchestration technologies such as Kubernetes ## Description As a Principal Systems Administrator, you will develop software Tools and Services in a SaaS/PaaS environment. Building an 'on prem' cloud offering with open source software using Kubernetes, Docker, Istio, Rook and other cutting edge tools. Expertise and desire to work in a containerized landlord/tenant environment is essential. The contractor shall support the development of Tools and Services that increase the efficiency of software to market, within a DEVOPs culture. ## Related Videos - [Improving quality with Agentic AI with Rovo Dev and Xray](https://www.wearedevelopers.com/videos/2005-improving-quality-with-agentic-ai-with-rovo-dev-and-xray) - [WeAreDevelopers LIVE - Node and Package Security](https://www.wearedevelopers.com/videos/2138-wearedevelopers-live-node-and-package-security) - [Rate-limiting using eBPF and Istio: How to protect your SaaS customers from themselves](https://www.wearedevelopers.com/videos/100220-rate-limiting-using-ebpf-and-istio-how-to-protect-your-saas-customers-from-themselves) - [DevSecOps culture](https://www.wearedevelopers.com/videos/783-devsecops-culture) - [Collaboration Quantified: Lessons from Open Source Developer Networks](https://www.wearedevelopers.com/videos/1422-collaboration-quantified-lessons-from-open-source-developer-networks) - [Crew Management System for Airlines: Plan duties for pilots & flight attendants worldwide](https://www.wearedevelopers.com/videos/1444-crew-management-system-for-airlines-plan-duties-for-pilots-flight-attendants-worldwide) ## Related Articles - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [DevOps Engineer Salary [2023]](https://www.wearedevelopers.com/magazine/203-devops-engineer-salary-2023) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)