ISSO (Systems Administrator 3) - 19404

Date: Jul 10, 2024

Location: Annapolis Junction, MD, Maryland, United States

Company: HII's Mission Technologies division


Requisition Number: 19404 

Required Travel: 0 - 10% 

Employment Type: Full Time/Salaried/Exempt

Security Clearance: TS/SCI 

Level of Experience: Mid 



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: 


Job Description


HII Mission Technologies has been selected as one of's "Top 25 Employers for Veterans in 2024" and we are a Forbes Best Large Employer for 2023!!!

Are you ready to take your career to the next level? We are seeking a talented and experienced ISSO to join our team!



Position Summary:

HII-Mission Technologies is seeking a Information System Security Officer to provide system security support in our Annapolis Junction, MD office. As our new ISSO you will maintain smooth operation of multi-user computer systems, including coordination with network administrators. This may include setting up administrator and service accounts, maintaining system documentation, tuning system performance, installing system wide software and allocating mass storage space. Each day you will interact with users and evaluate vendor products, making recommendations to purchase hardware and software, coordinating installation and providing backup recovery. You will also have opportunities for increased responsibility, like developing policies and standards for allocation related to the use of computing resources.
Work is performed on site in our Annapolis Junction, MD offices


HII's expertise in wireless communication includes 50+ years of performing RF Engineering for DoD, gov. agencies, and commercially both in the US and overseas, analyzing, and formatting spectrum data, including frequency assignment, spectrum certification, LiDAR, and other geo-referenced data. Our Scientists and Engineers support diverse tasks such as spectrum forensics and deconfliction, testing for coverage amid urban clutter, and antenna site planning. HII's RESED team offers opportunities from projects supporting international satellite coordination in space to countering IEDs. Our work is increasingly important in a world that depends on well coordinated, interference-free spectrum access.

Come support our work with the Department of Defense and join a world class team of groundbreaking scientists and engineers!


See how HII is leading the next evolution in our National Defense HERE

Details below!

What you will do:


  • The primary responsibilities will be to perform Information System Security Officer (ISSO) tasks related to the implementation of security controls, perform and document continuous monitoring of security controls, review of audit logs, application of software updates and patches, perform system backups, maintain system documentation, maintain user accounts, and coordinate with the cognizant security approving authorities to maintain system accreditation. 
  • These ISSO tasks will be applied to a networked system of computers comprised of Microsoft Windows servers, workstations, thin clients and network switches. Practical application of networked systems along with any required coordination will be necessary.
  • The ISSO will need to keep system accreditation, continuous monitoring, and software inventory applications/databases updated

What we are looking for:


  • 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.
  • Degree(s) must be in engineering, physics, computer science, mathematics or a related discipline. In some cases, work experience may be adjusted based on education, or highly specialized knowledge or uniquely applicable experience for positions involving new technology or labor market shortages as reflected by market survey data.
  • Must possess an active TOP SECRET and SCI clearance with a Single Scope Background Investigation being less than five years old. An active polygraph is also required.
  • Background in one or more of the following: system administration, computer security, cybersecurity methodology, IT risk management tools, certification and accreditation through ICD-503, DISA STIG or NIST information system security controls. 
  • Experience in configuring and maintaining Windows Server 2019 and 2022 and Windows 10 or 11 operating systems; including Active Directory, Group Policy Objects, Remote Desktop Services.  
  • Must possess an IT certification, Security+ or CISSP.  
  • Basic knowledge of IT networks.
  • Effective customer and organizational level communication, written, presentation and interpersonal skills.

Bonus Points for:


  • Familiarity with Nessus preferred.
  • Network+ certification is preferred

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.


We build the world’s most powerful, survivable naval ships and defense technology solutions that safeguard our seas, sky, land, space and cyber. Our diverse 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.
Today’s challenges are bigger than ever, and the nation needs the best of us. It’s why we’re focused on hiring, developing and nurturing our diversity. We believe that diversity among our workforce strengthens the organization, stimulates creativity, promotes the exchange of ideas and enriches the work lives of all our employees. 


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 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.