Senior Integration Engineer

Concept Solutions, LLC

. Maintain privileged access to integration services and API gateways connecting the application portfolio .

Posted 10/13/2026full-timeUnited StatesSenior💰 $170,000 - $180,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Expertise in integration engineering with a focus on REST APIs, OpenAPI specifications, and legacy system integration. Proven ability to troubleshoot complex integration issues and maintain production application environments while adhering to security clearance requirements.

Highest-signal resume keywords

Integration EngineeringREST APIsOpenAPI SpecificationsLegacy System IntegrationTroubleshooting Complex Integration Issues

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Integration EngineeringREST APIsOpenAPI SpecificationsChange Data Capture (CDC)TroubleshootingIntegration PatternsProduction Application SupportLegacy InterfacesIntegration ContractsCorrelation Identifiers

Tools & Technologies

API GatewaysEnvoyDebeziumMuleSoft

Certifications & Qualifications

Top Secret ClearanceTier 5 Investigation

Industry Keywords

Integration ServicesApplication PortfolioData FeedsModernizationSprintsCustomer Demonstrations

About the role

Key responsibilities & impact

Maintain privileged access to integration services and API gateways connecting the application portfolio
Troubleshoot and resolve integration incidents, defects, and connectivity issues
Maintain integration contracts, correlation identifiers, and acknowledgment mechanisms across connected systems
Establish and maintain OpenAPI contracts at the platform gateway
Support the platform team's data feeds and integration requirements
Work with legacy interfaces and existing application integrations to support modernization without disrupting ongoing operations
Participate in two-week sprints and customer demonstrations each sprint

Requirements

What you’ll need

7+ years of experience in integration engineering
Experience with REST APIs, OpenAPI specifications, API gateways, and message-based or Change Data Capture (CDC) integration patterns
Demonstrated experience working with legacy interfaces and integrating systems developed by other teams or vendors
Ability to troubleshoot complex integration issues and support production application environments
Experience with Envoy, Debezium, MuleSoft, or similar integration technologies preferred
Current favorably adjudicated Tier 5 investigation or active Top Secret clearance preferred
U.S. citizenship required
Must hold a current favorably adjudicated Tier 5 investigation, hold a Top Secret clearance, or be eligible to obtain one
Ability to work full-time Monday through Friday during Eastern Time core hours
Ability to work at 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

Benefits

Comp & perks

Health insurance
Dental insurance
Vision insurance
Life insurance
Comprehensive 401(k) plan with matching and immediate vesting
Positive culture centered on innovation, engagement, and career development
Government-furnished equipment for access to Government environments