> Markdown version of [/jobs/ext/4692788-software-expert](https://www.wearedevelopers.com/jobs/ext/4692788-software-expert). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Expert - **Company:** XMStart, Inc. - **Location:** Chantilly, VA, United States - **Experience:** Starter - **Contract:** Permanent contract - **Skills:** Systems Engineering, Software Debugging, Software Maintenance, Server Administration, Software Engineering, Data Streaming, Systems Integration, Integration Tests, Maintaining Code - **Published:** November 12, 2026 - **Apply:** https://www.careerbuilder.com/job-details/software-expert-chantilly-va--9f2b6797-0204-454c-983e-3707aa4c76ba ## About the Role Integration Testing, Software Administration, Test Plan/Schedule, Performance Management, Technical Writing, Systems Engineering, System Integration (SI), Sensitive Compartmented Information (SCI), Top Secret Clearance, Software Engineering, * An active TS/SCI with Poly * Junior - 0 to 5 years of Experience, Intermediate - 5 to 10 years of Experience, Senior - 10+ years of experience * Experience in software development, software engineering, or related field * Familiarity with software design, coding, testing, and debugging practices * Ability to work effectively on technical teams and communicate clearly * Understanding of software lifecycle activities, including integration and deployment ## Description * Designing, developing, testing, and maintaining software applications or services * Implementing enhancements and resolving defects or technical issues * Support system interfaces, data flows, and integration activities * Assisting with deployment, sustainment, and performance improvement efforts * Maintaining code, technical documentation, and configuration artifacts * Collaborating with systems engineers, integrators, and end users to meet mission needs