Requisition Number: 28418
Required Travel: 0 - 10%
Employment Type: Full Time/Salaried/Exempt
Anticipated Salary Range: $120,000.00 - $130,000.00
Security Clearance: Secret
Level of Experience: Mid
SummaryHII Mission Technologies is seeking a Sr. Systems Administrator to provide mid-level system administration, lifecycle upgrades, and enterprise support for distributed Navy training environments. This role ensures reliable operation of Linux- and Windows-based systems, Performs OS upgrade efforts and provides technical support and leadership across sites. The position requires independent technical judgment, strong problem-solving ability, and the expertise to maintain secure, high-availability systems. This full-time, on-site role is part of a high-performing engineering team delivering mission-driven solutions that improve warfighter training and decision-making.
Key Job ResponsibilitiesMaintains smooth operation of multi-user computer systems, including coordination with network administrators. Duties may include and are not limited to:
- Maintain multi-OS lab environment (i.e. RHEL, Rocky, Windows 11) systems across standalone network systems in a lab environment to support USN BFTT/ATD training systems
- Configure, upgrade, and administer Linux (RHEL, Rocky) systems, including installation, BIOS settings, patching
- Configure, upgrade, and administer Windows (e.g. Windows11) systems, including installation, BIOS settings, patching
- Configure, upgrade, and administer switch IOS (e.g. HP Aruba and Cisco) systems, including installation, BIOS settings, patching
- Provide troubleshooting for the environment to provide local and distance support for peers and coworkers
- Provide recommendations to the customer based on issues during installation, and operational testing, to include issues with patching and cyber security
- Attend various meetings as related to products
- Work with customers through the lifecycle of the project from planning, procurement, Test & Evaluation, Implementation, & Operations and Maintenance
- Assist with trouble-ticket creation, resolution, implementation
- Document creation, review, updates, releasability reviews
What you must haveRequired Education & Experience: - Bachalors Degree with 12 years of relevant experince; OR
- Masters Degree with 10 years relevant experience
- Degree in Electrical/Electronic/Computer Engineering, Computer Science, or Information Systems
Required Knowledge & Skills:- Demonstrated ability to architnitiatives.ect, manage, and secure complex enterprise-level systems and servers.
- Advanced proficiency with Red Hat Enterprise Linux (RHEL), including configuration, system hardening, and deep troubleshooting across multiple versions.
- Proven expertise with the Assured Compliance Assessment Solution (ACAS), Security Content Automation Protocol (SCAP), and large-scale patch management.
- Background mentoring technical staff and contributing to system modernization and improvement i
Required Credentials:- Ability to otain a DoD Information Assurance Technician (IAT) Level II certification or higher (e.g., Security+ CE, CCNA Security, CySA+) within 3 months of hire if not currently held.
- Must be a U.S. Citizen.
- Must have a current or active DoD Secret clearance.
Preferred Qualifications- Experience with Foreign Military Sales (FMS).
- Experience with Navy Training Systems.
Physical Requirements- May require working in an office, industrial, shipboard, or laboratory environment. Must be capable of climbing ladders and tolerating confined spaces and a range of temperature conditions during shipboard or testing activities.
- Occasional travel to customer sites may be required.
The listed salary range for this role is intended as a good faith estimate based on the role's location, expectations, and responsibilities. When extending an offer, HII's Mission Technologies division takes a variety of factors into consideration which include, but are not limited to, the role's function and a candidate's education or training, work experience, and key skills.
To learn more about Mission Technologies, click here for a short video: https://vimeo.com/[redacted]
HII is more than a job - it's an opportunity to build a new future. We offer competitive benefits such as best-in-class medical, dental and vision plan choices; wellness resources; employee assistance programs; Savings Plan Options (401(k)); financial planning tools, life insurance; employee discounts; paid holidays and paid time off; tuition reimbursement; as well as early childhood and post-secondary education scholarships. Bonus/other non-recurrent compensation is occasionally offered for qualified positions, and if applicable to this role will be addressed by the recruiter at the screening phase of application.
