Cryptographic Systems Engineer - TS/SCI with Polygraph

General Dynamics Information Technology

General Dynamics Information Technology

Software Engineering

Herndon, VA, USA

Posted on Jun 2, 2026

Type of Requisition:

Regular

Clearance Level Must Currently Possess:

Top Secret SCI + Polygraph

Clearance Level Must Be Able to Obtain:

None

Public Trust/Other Required:

None

Job Family:

IT Infrastructure and Operations

Job Qualifications:

Skills:

Amazon Web Services (AWS), Cryptography, Technical Support

Certifications:

None

Experience:

10 + years of related experience

US Citizenship Required:

Yes

Job Description:

Seize your opportunity to make a personal impact as a Systems Engineer supporting an information technology enterprise. At GDIT, people are our differentiator. As a Systems Engineer, you will help ensure today is safe and tomorrow is smarter. Our work depends on a Systems Engineer joining our team.

      WHAT YOU’LL NEED TO SUCCEED:

      • Experience: 10+ years
      • Required skills:
      • Demonstrated experience with in-depth knowledge of General Dynamics crypto devices such as the E-100, FLEX, Micro, Nano, TL-10G, TL-1g, and next generation crypto devices, including their configuration, operation, and maintenance.
      • Demonstrated experience designing, implementing, and troubleshooting complex cryptographic systems.
      • Demonstrated experience with technical knowledge of cryptographic principles, protocols, and technologies, including those related to General Dynamics crypto devices.
      • Demonstrated experience troubleshooting complex technical issues related to General Dynamics crypto devices and developing effective solutions.
      • Demonstrated experience with cryptographic protocols and standards, such as those related to encryption, decryption, and key management.
      • Demonstrated experience providing technical guidance and support to stakeholders, including written training documentation.
      • Demonstrated experience working collaboratively with cross-functional teams, including engineers, technicians, and other stakeholders, to achieve project goals and objectives.
      • Demonstrated experience with GEM crypto manager(s) software.
      • Demonstrated experience providing technical guidance and support to stakeholders, including actively training personnel.
      • Security clearance level: TS/SCI with Polygraph
      • Desired skills:
      • Demonstrated experience with cloud computing platforms such as AWS, Azure, and Google Cloud.
      • Demonstrated experience and knowledge of DevOps practices and tools
      • Demonstrated experience with technical knowledge of cryptographic principles, protocols, and technologies, including those related to General Dynamics crypto devices.
      • Demonstrated experience and familiarity with Sponsor networks and devices, including both new and legacy systems, to ensure seamless integration and support.
      • Demonstrated experience with troubleshooting and problem-solving skills to troubleshoot complex technical issues related to General Dynamics crypto devices and develop effective solutions.
      • Demonstrated experience with agile project management methodologies to work effectively in a team environment.
      • Demonstrated experience with effective communication skills, both written and verbal, to effectively convey complex technical information to various stakeholders, including technical and non-technical personnel.
      • Demonstrated experience and ability to work in a matrix environment. This includes being able to navigate multiple stakeholders, priorities, and timelines.
      • Location: Herndon, VA (On Customer Site)
      • US Citizenship Required


      GDIT IS YOUR PLACE:

      • 401K with company match
      • Comprehensive health and wellness packages
      • Internal mobility team dedicated to helping you own your career
      • Professional growth opportunities including paid education and certifications
      • Cutting-edge technology you can learn from
      • Rest and recharge with paid vacation and holidays

      #WeAreGDIT
      #JET
      #GDITEnhanced2026
      #VA_2026Alumni

      The likely salary range for this position is $162,037 - $219,227. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.

      Scheduled Weekly Hours:

      40

      Travel Required:

      Less than 10%

      Telecommuting Options:

      Onsite

      Work Location:

      USA VA Herndon

      Additional Work Locations:

      Total Rewards at GDIT:

      Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.We are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.Join our Talent Community to stay up to date on our career opportunities and events at

      gdit.com/tc.

      Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans