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# Systems Integrator (Expert/Lead) - TS/SCI with Polygraph Required

- **Company:** Catalyst
- **Location:** Vienna, VA, United States
- **Experience:** Expert
- **Salary:** $190,000.0 - $230,000.0
- **Contract:** Permanent contract
- **Skills:** Service-Oriented Architecture, Systems Integration, Enterprise Integration
- **Published:** July 29, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=961f80c689de40d6

## About the Role

US Citizenships and TS/SCI with Polygraph (no exceptions), * Bachelor's degree and 12+ years of relevant systems integration experience (Master's degree and 10+ years also acceptable); additional relevant experience may be considered in lieu of a degree, * Expert-level experience leading and overseeing integration of large, complex enterprise system-of-systems or service-oriented architecture environments

 * Extensive experience planning, implementing, testing, documenting, and maintaining solutions across cloud, on-premise, and hybrid infrastructures
 * Working knowledge of Model-Based Systems Engineering (MBSE) processes, tools, and languages
 * Demonstrated ability to apply leading-edge principles and concepts to unusually complex, ambiguous integration problems
 * Demonstrated experience mentoring and supervising other integrators and engineers in both technical and firm competencies
 * Excellent critical thinking, technical writing, and oral communication skills, including the ability to present and defend technical solutions to customers and senior stakeholders
 * Expert/Lead positions set technical direction for integration efforts across the program and mentor Senior, Mid-Level, and Junior integrators

## Description

Expert/Lead Systems Integrators lead and oversee the integrity of large, complex enterprise system-of-systems environments in support of the customer's mission. Expert/Lead Systems Integrators lead planning, implementation, testing, documentation, and maintenance of integration solutions across cloud, on-premise, and hybrid infrastructures, applying leading-edge principles and concepts to unusually complex integration problems. Expert/Lead Systems Integrators are expected to operate with substantial latitude for independent judgment, mentor and supervise other integrators and engineers, and provide highly innovative solutions that shape the long-term technical direction of the program.


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