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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Systems Administrator 3 - 29784 - **Company:** HII Mission Technologies - **Location:** San Diego, CA, United States - **Experience:** Experienced - **Salary:** $88,168.0 - $115,000.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Software Documentation, Cyber Security, Dynamic Host Configuration Protocol, Linux, Microsoft Servers, System Center Configuration Manager, Windows Servers, Network Administration, Red Hat Enterprise Linux, Server Administration, Windows Desktop, Information Technology, Modeling and Simulation, Wsus, Vmware - **Published:** August 11, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9087259/systems-administrator-3-29784 ## About the Role * 6 years relevant experience with Bachelors in related field; 4 years relevant experience with Masters in related field; or High School Diploma or equivalent and 10 years relevant experience. * Candidate must have a Security+ or an equivalent certification. * Candidate must have a strong background in server administration. * Candidate must have Linux+ or Microsoft certification. * Candidate must be capable of working independently as well as collaboratively within a team environment. * Candidate must currently possess and be able to maintain an active U.S. Secret security clearance. * Candidate must demonstrate strong technical troubleshooting abilities. * Candidate must be capable of reading and interpreting complex technical information. * Candidate must exhibit excellent attention to detail. * Candidate must maintain a strong customer-service mindset and effectively balance customer needs with multiple work priorities. * Candidate must possess exceptional verbal and written communication skills. Bonus Points For Having! * Experience with Microsoft WSUS or SCCM * Experience with Windows Servers 2016/2019 * Windows desktop operating systems (WIN10 SHB) * RedHat desktop operating systems (RHEL 7/8) experience highly desired * Experience digesting and implementing DoD Security Technical Implementation Guides (STIG) * Experience with patching Microsoft servers and workstations * Experience with VMware * Familiarity with VDI technologies and protocols Physical Requirements Adequate visual acuity and manual dexterity for meeting the requirements of the Systems Analyst discipline. ## Description Leadership at HII is a mindset, not a title. Through our Leadership Capability Framework, we define how every employee grows, leads, and contributes-regardless of role. It sets the standard for how you can develop yourself and what you can expect from leaders across our organization. We look for candidates who want to grow in alignment with these capabilities: * Know & Grow Your People - Commit to learning and supporting team success. * Build Relationships - Communicate openly, collaborate well, and build trust. * Take Ownership - Deliver on commitments and take pride in your work. * Customer First - Focus on the mission and those we serve. * Shape the Future - Bring ideas, curiosity, and continuous improvement. * Act with Urgency - Take initiative and follow through with purpose. These capabilities guide how all employees contribute to our shared success across Mission Technologies. Who We Are The Navy Integrated Training Environment (NITE) Network Administrator is responsible for the administration, maintenance, and cybersecurity protection of all Navy Enterprise Tactical Training Network (NETTN) client and server systems that support enterprise-wide modeling and simulation applications within the NITE. This role works closely with team members and cross-functional departments to update, monitor, and maintain servers and workstations across the enterprise. What You Will Do * Maintains smooth operation of multi-user computer systems, including coordination with network administrators. * Duties may include setting up administrator and service accounts, maintaining system documentation, tuning system performance, installing system wide software and allocate mass storage space. Interacts with users and evaluates vendor products. * Makes recommendations to purchase hardware and software, coordinates installation and provides backup recovery. * Develops and monitors policies and standards for allocation related to the use of computing resources. * Administering Microsoft Windows servers. * Managing Group Policy Objects (GPOs). * Creating and modifying DHCP reservations. * Performing system patching and configuration in accordance with DoD Security Technical Implementation Guides (STIG). ## Related Videos - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [WebAssembly: The Next Frontier of Cloud Computing](https://www.wearedevelopers.com/videos/972-webassembly-the-next-frontier-of-cloud-computing) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Generating code with Angular schematics](https://www.wearedevelopers.com/videos/129-generating-code-with-angular-schematics) - [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) ## Related Articles - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [System change: restart as developer?](https://www.wearedevelopers.com/magazine/39-system-change-restart-as-developer) - [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)