Senior Systems Engineer - Cryptographic Systems

Basic Qualifications

Requires a Bachelor’s degree in Systems Engineering, or a related Science, Engineering, Technology or Mathematics field. Also requires 8+ years of job-related experience, or a Master's degree plus 6 years of job-related experience. Agile experience preferred.  

CLEARANCE REQUIREMENTS: Ability to obtain a Department of Defense Secret security clearance is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required.

Responsibilities for this Position

Position Objectives

Join a cross-functional team developing, specifying, and testing mission-critical Department of War cybersecurity devices. You will design security architectures and protocols, develop cryptographic key-management strategies, and perform hands-on testing in the Interoperability Test Bed (ITB) for secure voice, data, and conferencing solutions.

What You’ll Do

• Develop security architectures, cryptographic specifications, and secure communication protocols.
• Define and support cryptographic key-management strategies.
• Create test plans and execute black-box testing for cybersecurity devices.
• Lead integration, interoperability, verification, and validation activities in the ITB.
• Collaborate with systems, software, hardware, and test engineering teams to deliver secure mission solutions.
• Identify opportunities to apply AI to improve engineering processes and technical outcomes.

What You Bring

• Experience with cryptographic algorithms and secure communication systems.
• Experience writing technical specifications and test plans.
• Experience performing black-box testing of complex systems.
• Strong communication skills and the ability to work effectively across a multidisciplinary team.

What Sets You Apart

• Creative, practical problem-solving across the systems development lifecycle.
• Familiarity with cybersecurity devices supporting secure voice, data, and conferencing applications.
• Awareness of evolving technology trends and a drive to improve processes.
• A collaborative mindset and commitment to individual and team growth.

What We OfferA dynamic career solving meaningful national-security challenges, with professional-development opportunities, a flexible 9/80 schedule, and competitive benefits including 401(k) matching, paid parental leave, healthcare, and wellness programs. Learn more at GDMS Benefits

Workplace Details:

• Fully on-site in Dedham, Massachusetts, as part of the Dedham Cyber Engineering team.

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Salary Note

Combined Salary Range

Company Overview

General Dynamics Mission Systems (GDMS) engineers a diverse portfolio of high technology solutions, products and services that enable customers to successfully execute missions across all domains of operation. With a global team of 12,000+ top professionals, we partner with the best in industry to expand the bounds of innovation in the defense and scientific arenas. Given the nature of our work and who we are, we value trust, honesty, alignment and transparency. We offer highly competitive benefits and pride ourselves in being a great place to work with a shared sense of purpose. You will also enjoy a flexible work environment where contributions are recognized and rewarded. If who we are and what we do resonates with you, we invite you to join our high-performance team!

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans