**MANTECH** seeks a motivated, career and customer-oriented **Software Quality Assurance Tester** to join our team in **Belcamp, MD.** The Software Test Engineer will support the PdM Mission Network and PdM Network Modernization programs by ensuring rigorous testing standards and compliance with requirement traceability. This role is central to developing, executing, and reporting on test procedures that directly impact mission success and customer satisfaction. **Responsibilities include but are not limited to:** + Write and deliver monthly reports on testing procedures and results to support client-driven software development. + Troubleshoot software, devise innovative solutions, and document resolutions for knowledge sharing. + Implement test procedures for vendor applications (Cisco, Palo Alto, Aruba) to ensure compliance with specifications prior to government witness testing. + Identify integration issues and vulnerabilities, report findings, and provide improvement recommendations for future system design. + Develop Master Test Plans, Software Test Plans, Test Descriptions, and Test Reports to meet CMMI Level 3 requirements. + Collaborate with the Software Development team to align products with customer needs and requirements. + Design and execute manual and automated tests (white box, black box, gray box) to evaluate quality, speed, and functionality. + Convert manual test cases into automated cases using PowerShell and VBS. **Minimum Qualifications:** + Bachelor of Science and 10 years of relevant experience + 5 Years in the Department of Defense contracting market of major weapon systems product development and acquisitions. **Preferred Qualifications:** + Relevant industry certifications (e.g., Certified Associate in Software Testing (CAST), International Software Testing Qualifications Board (ISTQB) Certification). + Strong communication skills to effectively collaborate with developers and stakeholders. + Experience obtaining customer feedback and translating it into actionable recommendations. **Clearance Requirements:** + Must be a U.S Citizen with current/active Secret clearance **Physical Requirements:** + The person in this position must be able to remain in a stationary position 50% of the time. They must occasionally move about inside the office to access file cabinets, office machinery, or communicate with co-workers, management, and customers via email, phone, or virtual communication, which may involve delivering presentations. ManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran. If you are a qualified individual with a disability and require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please email us at careers@mantech.com and provide your name and contact information.