Senior Software Test Engineer; TS​/SCI

Vantor is forging the new frontier of spatial intelligence, helping decision makers and operators navigate what’s happening now and shape what’s coming next. Vantor is a place for problem solvers, changemakers, and go-getters—where people are working together to help our customers see the world differently, and in doing so, be seen differently. Come be part of a mission, not just a job, where you can:
Shape your own future, build the next big thing, and change the world.

To be eligible for this position, you must be a U.S. Citizen.

This position requires an active U.S. Government security clearance, applicants who do not currently hold the required clearance will not be eligible for consideration.

Employment for cleared roles is contingent upon verification of clearance status.

Export Control/ITAR:
Certain roles may be subject to U.S. export control laws, requiring U.S. person status as defined by 8 U.S.C. 1324b(a)(3).

Please review the job details below. This position requires an active U.S. Government Security Clearance at the TS/SCI level.

We are looking for a Software Tester to support a large-scale big data analytics platform supporting U.S. Government intelligence analysts.

The selected candidate will work closely with software engineers, systems engineers, Dev Ops personnel, and end users to ensure the quality, reliability, performance, and usability of mission‑critical applications and data services.

This role requires strong analytical skills, hands‑on testing experience in complex distributed systems, and the ability to operate effectively in an Agile development environment supporting national security missions.

• Design, develop, and execute manual and automated test plans, test cases, and test procedures.
• Validate functionality, performance, scalability, and reliability of web‑based and data‑centric applications.
• Perform integration, regression, system, and user acceptance testing across distributed environments.
• Identify, document, track, and verify software defects using issue tracking tools.
• Collaborate with developers, product owners, and system administrators to troubleshoot and resolve issues.
• Support CI/CD testing activities and participate in Agile ceremonies, including sprint planning and retrospectives.
• Verify data integrity and data flow across large‑scale analytics and ingestion pipelines.
• Contribute to test automation frameworks and continuous quality improvement initiatives.
• Rigorously document detailed test processes.

• US citizenship and an active TS/SCI clearance is mandatory for this position and required for consideration.
• Must be willing to obtain a CI Poly.
• Minimum of 14 years of total professional experience in a technical support role, of which 5+ years has been in software testing, quality assurance, or related technical roles.
• Experience testing web applications, APIs, and distributed systems in a variety of environments.
• Knowledge of performance testing and security testing methodologies.
• Familiarity with Agile software development methodologies and Dev Ops practices.
• Experience with automated testing tools and scripting languages (e.g., Playwright, Selenium, Cypress, Python, JavaScript, or similar).
• Understanding of software defect tracking and test management tools such as Jira, Test Rail, or equivalent.
• Demonstrated self‑starter who consistently takes initiative with limited guidance and instruction.
• BS in Systems Engineering, Geographic Information Systems (GIS), Computer Systems Analysis, Electrical Engineering, Software Engineering or equivalent or related technical field.
• SCIF presence a minimum of 3 days per week, as program needs dictate.

• Familiarity with big data technologies such as Hadoop,…