> Markdown version of [/jobs/ext/4580309-senior-systems-administrator](https://www.wearedevelopers.com/jobs/ext/4580309-senior-systems-administrator). 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). --- # Senior Systems Administrator - **Company:** TRINZIC CORP - **Location:** Kihei, HI, United States (Remote available) - **Experience:** Expert - **Salary:** $135,400.0 - $200,000.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Active Directory, Agile Methodology, Cloud Computing Security, CompTIA Security+, Cyber Security, Information Systems, Databases, Desktop Computing, Linux, Web Servers, Identity and Access Management, Information Security Management, Integrated Development Environments, Network Security, Linux Security Modules, Zero Trust Network Access, Server Supported Gaming, Software Engineering, Software Vulnerability Management, Information Technology, Nessus, Scap Compliance Checker, Devsecops - **Published:** November 5, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9291278/senior-systems-administrator ## About the Role * Bachelor's degree and a minimum of 8 years of related Information Systems experience; or an equivalent combination of related training and experience * Experience with and understanding of NIST 800 series * Certifications: Minimum IAT Level 2, hardware/software specific training/certifications * Clearance: Active Top Secret required, must be clearable to TS/SCI * Active DoD 8570.01-M / DoD 8140 compliant IAM Level II certification (e.g., Security+, CAP, GSLC, CISM, CASP+, CISSP Associate, or equivalent approved certification) * Ability to obtain and maintain required cybersecurity certifications in accordance with DoD 8140 workforce qualification requirements * Experience with NIST RMF (NIST 800-37), NIST 800-53 security controls, and DoD cybersecurity authorization processes * Experience managing cybersecurity documentation and accreditation packages within eMASS * Working knowledge of DISA STIGs, vulnerability management, continuous monitoring, and cybersecurity compliance activities * Familiarity with ACAS/Nessus, Windows and Linux security hardening, Active Directory, and network security principles Desired Qualifications: * Experience with and understanding of ICD 503 * Experience Military / DOD experience * Current CISSP, CAP, CASP+, CISM, or GSLC certification * Experience serving as an ISSO or Information System Security Manager (ISSM) in a DoD, Intelligence Community, or Space Force environment * Experience with eMASS, ACAS, HBSS/ESS, SCAP Compliance Checker, and Enterprise Mission Assurance Support Service (eMASS). * Experience supporting classified systems at Secret and TS/SCI levels. * Knowledge of Zero Trust Architecture, DevSecOps security practices, and secure cloud technologies * Experience supporting software development environments and implementing security requirements within Agile/DevSecOps workflows ## Description * Provides experimental networks, experimental system storage, Windows/Linux experimental server support, experimental system database and web server administration, and resolving helpdesk tickets beyond the ability of KBR's Junior System Administrators * Mentors and oversees work of less experienced team members * Resolves issues beyond the ability of Mid-level Computer Systems Analysts * Assist users with troubleshooting/correction of issues on mission IT systems * *Support test activities, technical troubleshooting, and anomaly resolution on mission IT systems to maintain 24/7/365 mission readiness and/or resolve issues quickly to minimize mission impacts * *Perform systems administration of desktops, databases, and server systems connected to developmental networks * *Provide desktop system management involving account monitoring, security, operating system (OS) installation, and other local area system administration related functions on mission-support IT equipment * As needed, assist SW developers with establishing and troubleshooting DevSecOps environments to support SW development and test prior to deployment on mission equipment/networks, AMOS is a dynamic work environment and this contract supports routine operations of and maintenance of mission equipment, as well as the need to respond to real-world events. To the extent possible, schedules are forecasted in advance, but upgrades, maintenance or significant tests require personnel to be present in the telescope facilities on Haleakala or Government's Kihei office. Candidate must have effective verbal and written communication skills; must be able to adapt communication style to suit different audiences or facilitate group discussions; develop accurate written materials to communicate information clearly and concisely. This position is primarily located at the AMOS summit facilities on Haleakalā and requires regular on-site support in a high-altitude operational environment. KBR supports work from home when compatible with meeting contract requirements.