Linux/VMWare Systems Administrator (Systems Administrator 5)

HII's Mission Technologies division•Virginia Beach, VA

32d•$116,917 - $150,000•Onsite

About The Position

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.

Requirements

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.

Nice To Haves

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.

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.