Principal Software Engineering Lead – Enterprise Modernization

Concept Solutions, LLC (CS) is seeking an experienced Principal Software Engineering Lead to provide technical leadership, establish engineering standards, and drive software quality across enterprise application modernization initiatives supporting the Department of War (DoW).

In this role, you will guide engineering practices across both sustainment and platform development teams, mentor squad leads, and ensure consistency in software design, development, testing, and release processes. You will play a critical role in aligning technical approaches, resolving cross-team engineering challenges, and maintaining the quality of application integrations with modernized platforms.

This is an opportunity for a seasoned engineering leader who thrives in complex enterprise environments and enjoys building high-performing teams while maintaining strong technical standards.

• Own and establish engineering standards across sustainment and platform development tracks, including coding standards, code reviews, branching and release practices, test coverage expectations, and the definition of done.
• Ensure consistent adoption of engineering best practices across development squads.
• Maintain accountability for the quality of application-side changes connecting sustained applications to the modernized platform.

• Mentor and provide technical guidance to engineering squad leads.
• Facilitate cross-track design reviews to promote architectural consistency and technical alignment.
• Resolve technical disputes between sustainment and platform squads, balancing engineering quality, delivery requirements, and program objectives.
• Foster collaboration and knowledge sharing across engineering teams.

• 12+ years of professional software engineering experience.
• 5+ years of experience leading multiple engineering squads delivering enterprise web applications to government customers.
• Demonstrated ability to establish and maintain engineering standards across multiple development teams.
• Experience providing technical mentorship, facilitating design reviews, and resolving complex engineering challenges.
• Active Secret security clearance or higher.

• Experience working with Go (Golang), Java, and React codebases.
• Familiarity with Git Lab and contract testing practices.

Location:

Hybrid. Based at Concept Solutions' Reston, VA headquarters and approved remote locations within the United States, with on-site work at government facilities in Northern Virginia and Maryland as required. Government-furnished equipment will be used for all access to government environments.

Schedule:

Full-time, 40 hours per week, Monday through Friday, with core hours of 9:00 a.m. – 3:00 p.m. Eastern

Security Requirement: U.S. citizenship required. Must be eligible to obtain and maintain a DoW security clearance. An active Secret clearance or higher

Compensation: $250,000 – $250,000 annual base salary, depending on experience.

Founded in 1999 and headquartered in Reston, Virginia, Concept Solutions, LLC (CS) is a leading small business in technology, engineering, and management consulting. We are the innovative and agile force behind strategic solutions that enhance organizational efficiency and safeguard our nation across Aerospace, Defense, and National Security sectors.

For over 25 years, CS has been a trusted partner for the Federal Aviation Administration (FAA), Department of Homeland Security (DHS), Department of Justice (DOJ), Department of Defense (DoD) and other federal agencies delivering vital IT, security, and project management services.

Our commitment to excellence is reflected in our adherence to CMMI-DEV…