Senior Software Test Engineer

VantorHerndon, Virginia🇺🇸United StatesPosted Oct 19, 2026

Why This Role Stands Out

As a Senior Software Test Engineer at Vantor, you'll be instrumental in ensuring the quality of a large-scale analytics platform, offering significant opportunities for skill development in automated testing and distributed systems. This hybrid role is perfect for meticulous engineers with a strong background in manual and automated testing who thrive in collaborative environments and are eager to contribute to cutting-edge technology. Apply today to join a reputable company and make a real impact!

Quick Overview

Seniority

Mid Senior

Employment type

Full Time

Work mode

Hybrid

Location

Herndon, Virginia, United States

Agile

Job Description

Design and execute manual and automated tests for web-based and data-centric applications on a large-scale analytics platform. Validate performance, reliability, scalability, data integrity, and usability across distributed systems. Collaborate with engineering and DevOps teams to resolve defects and support Agile and CI/CD quality processes. Requires U.S. citizenship and an active TS/SCI clearance; work at a SCIF at least three days per week.

Responsibilities

Design, develop, and execute manual and automated test plans, cases, and procedures.
Test application functionality, performance, scalability, reliability, and usability.
Perform integration, regression, system, and user acceptance testing across distributed environments.
Document, track, and verify software defects using issue tracking tools.
Collaborate with engineering, product, systems, and Dev
Ops teams to troubleshoot and resolve issues.
Verify data integrity and pipeline flows, support CI/CD testing, and document test processes.

Required Skills