Software Tester

Company: ManTech International
Location: Herndon
Posted on: March 6, 2026

Job Description:

ManTech is seeking a Software Tester to join our dedicated team in supporting mission-critical national security programs. This role involves rigorous testing of software developments to ensure high-quality solutions for our federal clients' technological needs. As a Software Tester at ManTech, you will be involved in the development lifecycle from planning to deployment, ensuring the reliability and effectiveness of our innovative technologies. Analyze system specifications and translate system requirements to task specifications. Develop and execute software test plans to identify software problems and their causes. Work closely with software developers to enhance software design and progress. Record detailed defect reports and software anomalies. Maintain up-to-date knowledge of software testing tools and test strategies. Strong analytical skills and attention to detail. Proficiency in test management software and QA methodologies. Experience with automated testing tools like Selenium or QTP. Good communication skills and ability to work collaboratively in a team. Problem-solving skills and capability to work under pressure. Medical Insurance Dental Insurance Vision Insurance Life Insurance 401k ISTQB Certified Tester - Foundation Level Certified Software Test Professional (CSTP) Any relevant industry-specific cybersecurity certifications.

Keywords: ManTech International, Reston , Software Tester, IT / Software / Systems , Herndon, Virginia