**MANTECH** seeks a motivated and career-focused **Senior Systems Engineer** to join our team onsite in **Washington, D.C.**
In this role you will play a vital role in planning and designing enterprise systems infrastructure while providing deep technical expertise on complex systems integration challenges. This position is ideal for candidates who excel in systems engineering, troubleshooting, and collaborative leadership.

**Responsibilities include but are not limited to:**

+ Lead the design, implementation, and maintenance of enterprise systems infrastructure, covering both hardware and software components
+ Analyze and enhance system performance by developing, testing, and modifying configurations
+ Conduct system verification and validation to ensure compliance with internal and external standards
+ Troubleshoot technical issues and recommend solutions to optimize system operations
+ Oversee project planning activities including scheduling, bud...