Cybersecurity Software Engineer

As a Cybersecurity Software Engineer you will influence the security of software across numerous high-profile DoD products.

The right candidate will have a track record of shipping reliable software and who have a broad understanding of the security design of today’s cloud-native technologies, including cryptographic implementations.

You see the big picture, prioritize accordingly, and are comfortable with working at different levels of abstraction. Ideally, you have notable skills in one or more of the following :

Responsibilities :

• Illustrate security requirements and security architectures of multiple industry products
• Design systems and solution features with engineering teams to meet and exceed industry-standard security goals
• Develop, guide, and monitor technical documentation to capture trades studies, system designs, analysis, and results related to a systems security posture such as identifying Critical Program Information (CPI) and creation of Anti-Tamper Plans
• Development and documentation of security test and assessment plans; Execution of demonstrations and support to customer-led validation events
• Support technical work products developed by a larger engineering team, supporting major milestone deliveries

Required Skills & Experience :

• Bachelor's degree in computer science or another STEM discipline
• years of professional experience in software security
• Experience with C++ software development
• Experience designing and implementing security solutions for operating systems, distributed systems, or other enterprise / large-scale infrastructure
• Experience with Government cybersecurity policy and frameworks such as JSIG, ICD , NIST SP -
• Previous work on security engineering and architecture on or related to defense and / or national security systems
• Notable skills in one or more of the following : applied crypto, network security, operating system security, secure / authenticated boot, incident response and adversary detection, and vulnerability research
• Strong understanding of the why behind the product, systems, and security design
• Experience working with various operating systems, communication protocols, and cloud-native technologies
• Ability to effectively brief and interact regularly with a technically-oriented government customer
• Excellent verbal & written communication skills
• Active Secret clearance with the ability to obtain a TS / SCI
• The ability to work in a secure, confined location (ie. SCIF)

Preferred Skills & Experience :

• years of professional experience in software security
• Proven track record of excelling across the broader security domain, encompassing embedded Systems Engineering, Cybersecurity, Software Security and Anti-Tamper Engineering
• Experience with Python and Rust software development
• Fundamental understanding of network protocols; including the TCP / IP stack as well as UDP based protocols
• Experience in the development, test, or management of aircraft-resident embedded software

Benefits : LinQuest offers comprehensive and competitive benefit offerings to our team members to include medical, dental, vision, retirement, paid time off, company paid life insurance, and more! For additional information please visit :

Why LinQuest?

years of excellence from concept to capability.

LinQuest is a national security space leader that enables defense and intelligence missions through advanced digital solutions and the development, integration, and operation of mission control systems.

As a recognized thought leader in Digital Engineering and Digital Transformation, LinQuest delivers the technical capability, innovation, agility, and operational expertise to accelerate our Nation’s competitive advantage in space.

From concept to capability, LinQuest architects integrate end-to-end solutions, enabling Digital Dominance for a Digital Space Force.