Sr. Software Engineer

Summary:  As a Senior Software Engineer, you’ll power the software systems that drive our client's high-tech enrichment operations. From automation and cybersecurity to enterprise manufacturing systems, you’ll keep mission-critical applications running reliably, securely, and at peak performance—while continuously pushing innovation forward in a highly regulated, national-security–driven environment.  Responsibilities: Lead the day-to-day administration and optimization of our operational software ecosystem, supporting MES, ERP, engineering, quality, and automation platforms to ensure seamless, secure, and reliable plant operations. Working hand-in-hand with IT, engineering, production, and automation teams, you’ll troubleshoot complex system issues, drive root-cause analysis, manage system validation and audit readiness, oversee cybersecurity and patching, and lead continuous improvement initiatives. Evaluate and integrate new technologies, manage change control and documentation, and ensure system performance aligns with manufacturing best practices and regulatory expectations.  Minimum Qualifications: Bachelor’s degree in Computer Science, Engineering, Business Management, or a related field 5+ years of experience supporting software systems in a regulated manufacturing or industrial environment Strong knowledge of SCADA, PLCs, and industrial control systems Experience with system validation, change control, and lifecycle documentation Solid background in networking, servers, and cybersecurity best practices Ability to obtain and maintain a Q-level security clearance  Preferred Qualifications: Experience with manufacturing IT system administration best practices Knowledge of SYSPRO ERP, MES platforms, or similar manufacturing systems Strong Python fundamentals (data structures, APIs, scripting, automation) The ability to communicate complex technical concepts clearly to both technical and non-technical stakeholders Currently holds a “Q” level security clearance. Benefits: All eligible employees enjoy an excellent benefits package, including medical/dental/vision insurance, short/long-term disability, life insurance, 401(k), paid time off including holidays, and tuition reimbursement. EEO Statement: MSTI is an equal-opportunity employer. All qualified candidates, including individuals with disabilities and protected veterans, are encouraged to apply. MSTI is an E-Verify employer. If you have difficulty using the online application system or need an accommodation to apply due to a disability, please email: . EEO Employer/Vet/Disabled

Created: 2026-03-04