COMSEC Engineer

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Date: Oct 30, 2026

Location: Springfield, VA, Virginia, United States

Company: HII's Mission Technologies division

Requisition Number: 30952 

Required Travel: 0 - 10%

Employment Type: Full Time/Salaried/Exempt

Anticipated Salary Range: $106,994.00 - $152,000.00 

Security Clearance: TS/SCI  

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.

 

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

Mission Technologies is seeking a COMSEC Engineer to join our team in Springfield, VA. The Communication Security (COMSEC) Engineer/Analyst is a mid-level role supporting secure communications systems through a government contract vehicle. This position involves designing, implementing, and analyzing COMSEC protocols to ensure the confidentiality, integrity, and availability of sensitive data transmissions. The role requires collaboration with cross-functional teams to mitigate risks, comply with National Manager guidelines, and maintain operational security in dynamic environments such as defense and intelligence operations. 

Essential Job Responsibilities

  • Well-rounded knowledge and adherence to COMSEC principles.
  • Knowledge and experience working with Key Management Infrastructure (KMI) systems and/or COMSEC Management Control Systems (CMCS).
  • Assist in the development, evaluation and deployment of cryptographic solutions, including key management systems, encryption algorithms, and secure communication protocols to protect classified information.
  • Manage COMSEC accounts, including the distribution, accounting, and destruction of cryptographic keys and materials, while adhering to strict accountability procedures and auditing requirements.
  • Management of COMSEC systems and adhering to National Manager processes and Two-Person Integrity (TPI) standards.
  • Integrate COMSEC solutions with existing networks and systems, diagnose issues, and provide technical support to resolve disruptions in secure data flows.
  • Prepare and maintain documentation for COMSEC audits, incident reports, and regulatory submissions; collaborate with stakeholders to ensure adherence to DoD/IC policies and contractual obligations.
  • Participate in training for COMSEC best practices to team members and end-users; participate in cross-functional meetings to align security measures with mission objectives and National Manager processes.
  • Support the monitoring and troubleshooting of COMSEC systems, including logging incidents and recommending corrective actions to maintain operational security.
  • Collaborate with cross-functional teams to document COMSEC procedures, generate reports per National Manager standards.
  • Participate with team members in testing and validation of secure communication protocols, such as IPsec, VPNs, and tactical data links.

Minimum Qualifications

5 years relevant experience with Bachelors in related field; 3 years relevant experience with Masters in related field; 0 years experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 9 years relevant experience.

 

  • KMI certification or obtaining KMI certification within 3 months of hire.
  • Knowledge and experience using any CMCS (e.g. EKMS, DIAS, CARDS or form of military property account book (if KMI schooling has not been completed).
  • Experience and understanding of COMSEC Data Transfer Devices (DTDs) (e.g. RASKLs, SKLs, TKLs).
  • Experience and understanding of secure phones (e.g. STEs and vIPers).
  • Minimum of 5 years of professional experience in COMSEC, cryptography, or network security engineering.
  • Active U.S. security clearance (Top Secret/SCI).
  • Certifications such as CompTIA Security+, or NSA COMSEC-specific training (e.g., COMSEC Manager Certification/KMI Custodian Course).
  • Strong analytical skills and attention to detail, with the ability to learn quickly and adapt in a fast-paced, regulated environment.

 

Preferred Requirements

  • Proficiency in tools like Key Management Infrastructure (KMI), and cryptographic modules (e.g., KG-175 series).
  • Experience with contract-based environments.
  • Knowledge of emerging technologies such as quantum-resistant cryptography.
  • Strong analytical skills with the ability to interpret complex threat intelligence and generate actionable insights.
  • Excellent communication abilities for briefing senior leadership and documenting technical findings.


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.

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

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. Bonus/other non-recurrent compensation is occasionally offered for qualified positions, and if applicable to this role will be addressed by the recruiter at the screening phase of application.

Why HII
We build the world’s most powerful, survivable naval ships and defense technology solutions that safeguard our seas, sky, land, space and cyber. Our 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.
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.