Linux/VMWare Systems Administrator (Systems Administrator 5)

Requisition Number: 30550

Required Travel: 0 - 10%

Employment Type: Full Time/Salaried/Exempt

Anticipated Salary Range: $116,917.00 - $150,000.00

Security Clearance: Secret

Level of Experience: Senior

This opportunity resides with Global Security (GS). Mission Technologies’ Global Security (GS) group comprises live, virtual, constructive (LVC) solutions; fleet sustainment; nuclear and environmental; and Australia business.

As a trusted partner to our military customers, HII designs, develops and operates the largest LVC enterprise that prepares warfighters for cross-domain battle. With advanced technologies to enable mission readiness, HII understands that preparation requires full coordination—not readiness in piece-parts.

For more than 40 years, the U.S. Navy has entrusted HII to maintain and modernize the vast majority of its fleet. With a holistic approach to life-cycle maritime defense systems—from small watercraft to submarines, surface combatants and aircraft carriers—HII ensures a high state of readiness.

HII supports the Department of Energy’s national security mission through the management and operation of its sites, as well as the safe cleanup of legacy waste across the country. HII meets clients’ toughest nuclear and environmental challenges.

Leadership Mindset at HII – Mission Technologies

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.

Job Description

The Navy Integrated Training Environment (NITE) Network Administrator is responsible for administering, maintaining, and securing the Navy Enterprise Tactical Training Network (NETTN) infrastructure, with a primary focus on Linux-based systems and VMware virtualization platforms supporting enterprise-wide modeling and simulation services.

The candidate will collaborate with cross-functional engineering and cybersecurity teams to deploy, monitor, and maintain Linux servers, virtual machines, and workstation images throughout the enterprise. Core responsibilities include VMware ESXi and vCenter management, Linux system configuration and hardening, implementation of DoD Security Technical Implementation Guides (STIGs), and enterprise patching of RHEL-based systems. The candidate must be capable of working both independently and within a team-oriented environment.

Essential Job Responsibilities

• Ensures optimal performance and availability of multi-user Linux and VMware environments, coordinating activities with other administrators as required.

• Manages VMware infrastructure including provisioning, monitoring, resource allocation, and optimization of virtual machines.

• Performs Linux server administration including account and permission management, configuration management, system tuning, and log analysis.

• Maintains system documentation, configuration baselines, and ensures compliance with DoD cybersecurity requirements.

• Evaluates and integrates hardware and software technologies, coordinates installation efforts, and supports system backup and recovery processes.

• Develops, implements, and enforces policies and standards for managing system resources and maintaining operational readiness.

Minimum Qualifications

• 15 years relevant experience with a Bachelor’s in a related field; 13 years with a Master’s; or 19 years relevant experience with a High School diploma/equivalent.

• Hands-on experience with VMware ESXi and vCenter management.

• Familiarity with VDI technologies and associated protocols.

• Strong Linux troubleshooting, scripting, and system diagnostics skills.

• Ability to interpret technical documentation and apply enterprise configuration standards.

• Strong attention to detail and ability to manage multiple responsibilities.

• Excellent written and verbal communication skills.

• Security+ or equivalent DoD 8570 certification.

• Must hold and maintain an active Secret security clearance.

Preferred Requirements

• Experience administering RedHat Enterprise Linux (RHEL 8/9) desktop and server environments.

• Experience with enterprise patching solutions and applying Linux STIGs.

• Familiarity with Windows systems (server and desktop) in mixed environment enterprises.

• Experience with automation tools such as Ansible, Bash scripting, or other Linux automation frameworks.

• Experience integrating DoD STIGs, security baselines, and configuration controls in Linux and virtualized environments.

• Proven ability to balance customer support needs with technical priorities.

Physical Requirements

Job performance will normally require only minor lifting and carrying of boxes of records or equipment.

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.

Meet HII’s Mission Technologies Division

Our team of more than 7,000 professionals worldwide delivers all-domain expertise and advanced technologies in service of mission partners across the globe. Mission Technologies is leading the next evolution of national defense – the data evolution - by accelerating a breadth of national security solutions for government and commercial customers. Our capabilities range from C5ISR, AI and Big Data, cyber operations and synthetic training environments to fleet sustainment, environmental remediation and the largest family of unmanned underwater vehicles in every class. Find the role that’s right for you. Apply today. We look forward to meeting you.

To learn more about Mission Technologies, click here for a short video: https://vimeo.com/732533072

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.

Why HII

We build the world’s most powerful, survivable naval ships and defense technology solutions that safeguard our seas, sky, land, space and cyber. Our workforce includes skilled tradespeople; artificial intelligence, machine learning (AI/ML) experts; engineers; technologists; scientists; logistics experts; and business administration professionals.

Recognized as one of America’s top large company employers, we are a values and ethics driven organization that puts people’s safety and well-being first. Regardless of your role or where you serve, at HII, you’ll find a supportive and welcoming environment, competitive benefits, and valuable educational and training programs for continual career growth at every stage of your career.

Together we are working to ensure a future where everyone can be free and thrive.

All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, physical or mental disability, age, or veteran status or any other basis protected by federal, state, or local law.

Do You Need Assistance?

If you need a reasonable accommodation for any part of the employment process, please send an e-mail to [email protected] and let us know the nature of your request and your contact information. Reasonable accommodations are considered on a case-by-case basis. Please note that only those inquiries concerning a request for reasonable accommodation will be responded to from this email address. Additionally, you may also call 1-844-849-8463 for assistance. Press #3 for HII Mission Technologies.