Platform Lead – Enterprise Application Modernization

Concept Solutions, LLC; Reston, Northern (VA, KY); Hybrid; USD 180,000 - 240,000; Full time

Job summary

Concept Solutions, LLC (CS) seeks an experienced Platform Lead to support a mission-critical DoW program delivering a unified platform for identity, hub, shell, and Spoke Kit.

You will lead multiple squads, drive backlog, align with the Solutions Architect, and shepherd two-week sprints and customer demos while maintaining production stability.

Qualifications

• 10+ years of experience in software engineering.
• 3+ years 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.

Responsibilities

• Lead day-to-day activities of identity, hub, shell, and Spoke Kit squads.
• Drive platform backlog aligned with priorities and milestones.
• Coordinate sprint demonstrations with Solutions Architect and communicate progress.
• Support Agile delivery with two-week sprints and customer demos.

Skills

10+ years software engineering

3+ years leading multi-squad platform

Web application platforms

Identity federation & authentication

Event-driven architectures

Tools

Keycloak

Open Policy Agent (OPA)

Kubernetes

React

Job description

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.

Platform Leadership & Delivery

• 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.

Technical Quality & Engineering Excellence

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.

What we're looking for

• 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.

Preferred Qualifications

• Experience with Keycloak, Open Policy Agent (OPA), Kubernetes, and React.
• Active Secret security clearance.

Work Location and Schedule

• Location: Hybrid. Concept Solutions headquarters in Reston, VA, and approved remote locations within the United States, with on-site work at Government facilities in Northern Virginia and Maryland as required.
• Schedule: Full-time, Monday through Friday,