Information System Security Officer (ISSO)-25402
Date: Sep 8, 2025
Location: Fort Meade, MD, Maryland, United States
Company: HII's Mission Technologies division
Requisition Number: 25402
Required Travel: 0 - 10%
Employment Type: Full Time/Salaried/Exempt
Anticipated Salary Range: $102,013.00 - $175,000.00
Security Clearance: Secret
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
HII—Mission Technologies is currently seeking experienced Information System Security Officers (ISSO's) to work out of Fort Meade, MD, in support of a multi-national capability developed to connect respective existing national Secret networks and services to deliver improved information sharing capabilities between Australia, Canada, New Zealand, the United Kingdom, and the United States.
Essential Job Responsibilities
Designs and implements information assurance and security engineering systems with requirements of business continuity, operations security, cryptography, forensics, regulatory compliance, internal counter-espionage (insider threat detection and mitigation), physical security analysis (including facilities analysis, and security management). Assesses and mitigates system security threats and risks throughout the program life cycle. Validates system security requirements definition and analysis. Establishes system security designs. Implements security designs in hardware, software, data, and procedures. Verifies security requirements; performs system certification and accreditation planning and testing and liaison activities. Supports secure systems operations and maintenance.
- Review, prepare, and update AIS accreditation packages.
- Notify customers when changes occur that might affect AIS accreditation/certification.
- Perform AIS self-inspections, provide security coordination, and review of all system test plans.
- Identify AIS vulnerabilities and implement countermeasures.
- Represent the customer on various technical review and inspection teams.
- Conduct security surveys at subordinate facilities and gather pertinent security documentation for inclusion into system accreditation packages.
- Coordinate, prepare, and track AIS inspections, reports, and responses.
- Maintain AIS security records
- Prepare reports on the status of security safeguards applied to computer systems.
- Ensure AIS and network nodes are operated, maintained, and disposed of in accordance with security policies and practices.
- Perform ISSO duties in support of in-house and external customers.
Minimum Qualifications
- 5 years relevant experience with Bachelors in related field; 3 years relevant experience with Masters in related field; or High School Diploma or equivalent and 9 years relevant experience.
- Possess and maintain an active Secret clearance
- 5+ years’ experience in Network/Systems Engineering space supporting DoD and Federal clients
- Understanding and practical experience with Authority to Operate (ATO) process, Risk Management Framework (RMF)
- ISSM/ISSO / Security Control Assessment (SCA) experience
- Experience with eMASS (Project manager, and or contributor)
- Experience with ACAS scanning and vulnerability remediation
Preferred Requirements
- Experience shepherding development projects through ATO approval (Developing RMF review packages, guiding/coordinating Cybersecurity mitigations)
- Experience working in or for the military
- Expertise in Multi-national Combatant Command-level military exercises, coalition networking in support of military operations, and/or Mission Partner Environments, such as Pegasus.
- 8570 Level I and II certifications
Physical Requirements
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.