Senior Software Test Engineer - TS/SCI Clearance

Vantor; Herndon (VA); On-site; USD 120,000 - 176,000; Full time

Benefits offered by this job

401(k) matching

Mental health resources

Student loan repayment

Adoption reimbursement

Pet insurance

Job summary

Vantor is seeking a Software Tester to support a large-scale big data analytics platform for U.S. Government intelligence analysts. You will collaborate with software engineers, systems engineers, DevOps, and end users to ensure quality, reliability, performance, and data services.

The role requires hands-on testing in distributed systems, strong analytical skills, and experience with Agile environments and CI/CD testing. Candidates must be U.S.

Qualifications

• US citizenship and TS/SCI clearance required; CI Poly may be required.
• 14+ years of total professional experience in a technical support role, with 5+ years in software testing.
• Experience testing web applications, APIs, and distributed systems in varied environments.
• Knowledge of performance testing and security testing methodologies.
• Familiarity with Agile software development and DevOps practices.
• Experience with automated testing tools and scripting languages (e.g., Playwright, Selenium, Cypress, Python, JavaScript).
• Understanding of defect tracking and test management tools such as Jira, TestRail, or equivalents.
• BS in a technical field such as Systems Engineering, GIS, or Software Engineering.
• SCIF presence a minimum of 3 days per week, as program needs dictate.

Responsibilities

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

Skills

Test planning & execution

Agile & DevOps familiarity

Analytical reasoning

Communication skills

Education

BS in Systems Engineering / GIS / Computer Systems Analysis / Electrical Engineering / Software Engineering

Tools

Playwright

Selenium

Cypress

Python

JavaScript

Jira

TestRail

GitHub Actions

Jenkins

Kubernetes

Job description

Vantor is seeking a Software Tester to support a large-scale big data analytics platform for U.S. Government intelligence analysts. You will collaborate with software engineers, systems engineers, DevOps, and end users to ensure quality, reliability, performance, and data services.

The role requires hands-on testing in distributed systems, strong analytical skills, and experience with Agile environments and CI/CD testing. Candidates must be U.S.