System Administration Support Technician - 28355

HII's Mission Technologies division•De Soto, IA

1d•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 team member contributes to our mission and culture: 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. Summary HII Mission Technologies is seeking a System Administration Support Technician to join our Technology team supporting the DTOC. This team enables Distributed Mission Operations (DMO) events, mission networks, site connections, cybersecurity, and related functions critical to Air National Guard training and readiness. Impact In this role, you will directly contribute to the success of national defense training missions by ensuring secure, reliable, and efficient system operations. Your expertise will help maintain mission-critical networks, safeguard sensitive information, and support the seamless execution of live and distributed training events. #LI-MJ1

Requirements

2 years of relevant experience with a Bachelor’s degree in a related field; OR 0 years of experience with a Master’s degree in a related field; OR 6 years of relevant experience with a High School Diploma/equivalent.
Experience configuring software and performing configuration management in compliance with STIGs, JSIG, and DoD cybersecurity requirements.
Experience managing storage arrays, file and virtual machine backups.
Experience with Virtual Desktop Interface technologies, VMware, physical/virtual machines, and LANs.
Knowledge of relational database management systems (e.g., SQL Server)
Ability to update and patch Windows and Linux operating systems and applications in offline environments.
Ability to analyze network traffic and troubleshoot DIS/HLA packets using tools such as Wireshark or DPA.
General working knowledge of PowerShell and scripting.
Must have a current or active DoD Secret Clearance with ability to upgrade to TS
Must be a U.S. Citizen.
Must have a DoD IAT Level II certification or higher (e.g., Security+ or equivalent).
DISA ACAS Training/Certification

Nice To Haves

Current or active DoD Top Secret Clearance.
Certified Linux Administrator training/credential.
General working knowledge of Citrix.
Advanced PowerShell scripting skills.

Responsibilities

Maintain smooth operation of multi-user computer systems, coordinating with network administrators.
Recommend hardware/software purchases, coordinate installation, and provide backup recovery.
Develop and monitor policies and standards for computing resource allocation.
Install, support, and maintain DTOC mission network servers, computer equipment, and peripherals.
Configure and manage software in compliance with STIGs, JSIG, and cybersecurity requirements.
Plan for and respond to service outages and technical issues.
Collaborate on project teams to design and integrate OTTI technologies and DTOC solutions.
Provide application support for office automation tools and modeling & simulation (M&S) software.
Support HBSS, SIEM solutions, and continuous monitoring.
Implement workstation patches, security fixes, and service releases.
Identify, analyze, and document long-range requirements.