Senior Systems Administrator (Systems Administrator 3) - 25202

Date: Aug 26, 2025

Location: Hanover, MD, Maryland, United States

Company: HII's Mission Technologies division

Requisition Number: 25202 

Required Travel: 0 - 10%

Employment Type: Full Time/Salaried/Exempt

Anticipated Salary Range: $82,276.00 - $125,000.00 

Security Clearance: Ability to Obtain  

Level of Experience: Mid 

 

This opportunity resides with Warfare Systems (WS), a business group within HII’s Mission Technologies division. Warfare Systems comprises cyber and mission IT; electronic warfare; and C5ISR systems.

HII works within our nation’s intelligence and cyber operations communities to defend our interests in cyberspace and anticipate emerging threats. Our capabilities in cybersecurity, network architecture, reverse engineering, software and hardware development uniquely enable us to support sensitive missions for the U.S. military and federal agency partners.
 

 

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

Job Description

Mission Technologies, a division of HII, is seeking a highly motivated and experienced System Administrator to join our Minotaur team in Hanover, MD. 

 

The ideal candidate will have a strong background in system administration and be part of a small team of system administrators ensuring the stability, security, and efficiency of our systems. This position will support a mission management tool called the Minotaur Mission Processor. Minotaur ingests data from various sensors on manned and unmanned surveillance aircraft to enhance an operator’s ability to identify tracks from various on-board sensors, from both sea and land, that is utilized in all branches of the military.  

 

Mission Technologies is a rapidly growing division that impacts our nation's defense and security.  Your career progression and growth is a top priority as we work diligently to meet the demands and objectives of our clients.  Your contributions and influential leadership are instrumental to our team succeeding.  As a company we provide:

 

  • On-demand professional development
  • Career Mobility
  • Community Engagement
  • Engagement, diversity and inclusion

 

For a short video about Mission Technologies, click here:  https://hii.com/capabilities/mission-technologies/

Essential Job Responsibilities

  • Member of a team of system administrators to maintain the reliability, security, and efficiency of our systems 
  • Develop and implement policies, procedures, and best practices for system administrators 
  • Plan and execute software upgrades, patches, and security fixes in a timely manner 
  • Manage and monitor system performance, capacity, and availability to ensure maximum uptime 
  • Automate routine tasks and processes to improve efficiency and reduce manual intervention 
  • Provide technical support and troubleshoot complex problems related to systems and applications 
  • Work closely with corporate IT teams to ensure seamless integration and operation of systems 
  • Keep up-to-date with new technologies and trends in system administration and provide recommendations for improving our infrastructure 
  • Manage and configure lcoal and remote-site network switches and Fortinet Fortigate VPN endpoints 

Minimum Qualifications

  • 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.
  • Strong proficiency in Linux administration (e.g. Red Hat, CentOS, Ubuntu)
  • Experience with virtualization (e.g. KVM, VMware, Hyber-V)
  • Experience with configuring, diagnosing and repairing computer systems 
  • Strong knowledge with scripting concepts and languages 
  • Must be able to obtain and maintain a US level Secret clearance

Preferred Requirements

  • An active US level Secret clearance 
  • Demonstrated expertise in Red Hat Enterprise Linux (RHEL), including system installation, configuration, patch management, performance tuning, and troubleshooting in enterprise environments 
  • Excellent oral and written communication 
  • Ability to work independently and as part of a team 
  • Strong problem-solving skills 

Physical Requirements

Adequate visual acuity and manual dexterity for meeting the requirements of the Systems Analyst discipline.

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.

 

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 buildyourcareer@hii-co.com 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.