Platform Lead – Enterprise Application Modernization

CONCEPT SOLUTIONS LLC•Reston, VA

9h•$175,000 - $220,000•Hybrid

About The Position

Concept Solutions, LLC (CS) is seeking an experienced Platform Lead to support a mission-critical application modernization program for a Department of War (DoW) customer. This initiative will unify access across a portfolio of production applications through a shared platform, delivering a single sign-on experience, a centralized work surface, and a repeatable framework for integrating additional applications. The Platform Lead will provide hands-on technical leadership across multiple engineering squads responsible for identity management, platform integration, and shared application capabilities. This role requires a strong software engineering background, experience leading multi-squad teams, and the ability to deliver high-quality solutions while maintaining existing production applications.

Requirements

10+ years of experience in software engineering.
3+ years of experience leading multi-squad platform engineering teams.
Hands-on experience with modern web application platforms.
Strong understanding of identity federation and authentication integration.
Experience with event-driven integration architectures.
Demonstrated ability to lead technical execution, maintain engineering quality, and coordinate delivery across multiple development teams.
U.S. citizenship required.
Must be eligible to obtain and maintain a DoW security clearance.

Nice To Haves

Experience with Keycloak, Open Policy Agent (OPA), Kubernetes, and React.
Active Secret security clearance or higher is strongly preferred and may allow an earlier start.

Responsibilities

Lead the day-to-day activities of the identity, hub, shell, and Spoke Kit engineering squads.
Drive execution of the platform backlog, ensuring alignment with program priorities and delivery milestones.
Collaborate with the Solutions Architect to coordinate sprint demonstrations and communicate technical progress.
Support an Agile delivery environment with two-week sprints and customer demonstrations at the conclusion of each sprint.
Oversee technical quality across platform engineering activities.
Lead design reviews and establish consistent pull-request and code-review standards.
Ensure platform solutions meet established architectural and engineering requirements.
Own the technical evidence required to demonstrate successful completion of platform phase-exit criteria.
Support the integration of existing applications into the shared platform while maintaining production stability and sustainment activities.