Senior API & Integration Engineer (Remote)

Concept Solutions, LLC seeks a Senior Integration Engineer to modernize a DoW customer’s portfolio by maintaining integration services, REST APIs, OpenAPI specs, and API gateways to ensure reliable cross-system communication. You will collaborate with platform teams, troubleshoot complex integration incidents, and support legacy interfaces during modernization efforts. This remote role requires a Top Secret clearance or eligibility and follows a two-week sprint cadence with occasional travel to