General information Requisition # R71132 Locations USA-MD-Annapolis Junction Posting Date 10/01/2026 Security Clearance Required TS/SCI w/ Poly Remote Type Onsite Time Type Full time Description & Requirements Unlock the secrets of intelligence with MANTECH! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968, we've been solving the toughest challenges with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Elevate your career and make a difference. Your adventure begins now—unleash your potential with MANTECH! MANTECH seeks a motivated, career and customer-oriented Software Test Engineer to join our team in Annapolis Junction, MD. The Software Test Engineer will leverage their strong technical background and knowledge to support the customer's system evaluation efforts, to include analyzing system requirements, developing comprehensive evaluation plans, and conducting critical data collection and verification activities. Responsibilities include but are not limited to: Serve as a key testing resource collaborating closely with software development, engineering, and operations team members. Monitor, align, and validate testing activities with the customer's established data lifecycle management processes. Leverage automated test methodologies, framework validation tools, and scripting practices to ensure system integrity. Execute comprehensive testing strategies across multiple domains, including functional, performance, integration, and regression testing. Draft, update, and maintain essential test engineering documentation, artifacts, and engineering reports. Support systems and data flows utilizing enterprise data management and streaming utilities. Parse, validate, and verify system compliance across various structured data types and file formats.

Minimum Qualifications:

Bachelor's degree in a technical discipline with 8+ years of experience as a Test Engineer on programs of similar scope, or 12+ years of relevant Test Engineer experience in lieu of a degree. Hands-on experience developing automated test frameworks and integrating test suites into continuous integration/continuous delivery (CI/CD) pipelines. Proficiency in at least one object-oriented or scripting language (e.g., Python, Java, JavaScript, TypeScript, C#, or Go) applied to test engineering. Practical knowledge of AWS or a comparable cloud infrastructure (Azure, GCP).

Preferred Qualifications:

Strong experience working within Linux-based environments and command-line interfaces. Demonstrated success in establishing data collection protocols, executing end-to-end test strategies, and translating test metrics into actionable quality insights. Experience evaluating and adopting emerging test automation tools and stacks.

Clearance Requirements:

Active TS/SCI with Polygraph.

Physical Requirements:

Must be able to remain in a stationary position 50%. Needs to occasionally move about inside the office to access file cabinets, office machinery, etc. Frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations. The projected compensation range for this position is $128,000.00-$214,400.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. In addition, MANTECH invests in its employees beyond just compensation. MANTECH's benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections. MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation. If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.