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Senior Software Development Engineer In Test Jobs in Herndon, VA

System One

Sr SDET

Reston, VA · On-site

$115K - $149K/yr

Senior SDET (Automation Testing) | Hybrid | Reston, VA We are seeking a Senior Software Development Engineer in Test (SDET) with strong expertise in UI, Web Services, and Mobile Test Automation to ...

System One

Sr SDET

Reston, VA · On-site

$116K - $151K/yr

Senior SDET (Automation Testing) | Hybrid | Reston, VA We are seeking a Senior Software Development Engineer in Test (SDET) with strong expertise in UI, Web Services, and Mobile Test Automation to ...

New

Lumen Solutions Group Inc.

Senior SDET

Reston, VA · On-site

Senior SDET Location: Reston, VA (Hybrid Once in a 2 Week) Job Type: Short-Term Contract (Till Dec 2026) Job Summary: We are looking for a Senior SDET with strong hands-on experience in test ...

Seneca Resources, LLC

Senior SDET

Vienna, VA · On-site

$65/hr

Senior Level Software Development Engineer in Test (SDET) Location: Vienna, VA - 3 days a week onsite each week Openings: 4 Pay Rate: $65/hr on W2 Top Skills: Top 3 Required Skills: * Hands-on ...

New

NAVA Software Solutions

SDET Engineer

Merrifield, VA · On-site

NAVA Software solutions is looking for a SDET Engineer Details: SDET Engineer Location : Merrifield, VA(Hybrid) - Weekly once onsite Duration: 12 Months Top 3 Required Skills: * Hands-on development ...

Ruri Software Technologies LLC

SDET

Mclean, VA · On-site

$50.50 - $65.25/hr

Job Title: SDET Location: Onsite in McLean, VA Responsibilities • Design, develop, and maintain automation frameworks using Playwright, Selenium, Cucumber, Java, and TypeScript • Execute end-to ...

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Senior Software Development Engineer In Test information

See Herndon, VA salary details

$23.1K

$129.1K

$168.1K

How much do senior software development engineer in test jobs pay per year?

As of Aug 21, 2026, the average yearly pay for senior software development engineer in test in Herndon, VA is $129,118.00, according to ZipRecruiter salary data. Most workers in this role earn between $113,600.00 and $147,600.00 per year, depending on experience, location, and employer.

What does a senior software development engineer in test do?

A Senior Software Development Engineer in Test (SDET) is responsible for designing, developing, and maintaining automated test frameworks and tools to ensure the quality and reliability of software products. They work closely with development and QA teams to identify test requirements, create robust test cases, and integrate automated tests into the CI/CD pipeline. In addition to coding and scripting, Senior SDETs mentor junior team members, analyze test results, and help troubleshoot complex issues to continuously improve software quality. Their expertise bridges the gap between development and testing, ensuring both speed and quality in software releases.

How does a senior software development engineer in test typically collaborate with development and product teams to ensure software quality?

As a Senior Software Development Engineer In Test (SDET), you will work closely with both development and product teams throughout the software development lifecycle. This includes participating in design and requirements discussions to identify potential test cases early, contributing to test automation strategies, and providing feedback on testability and quality risks. SDETs often pair with developers to review code, co-create test plans, and triage bugs together, ensuring that testing is fully integrated into the CI/CD pipeline. Effective communication and cross-team collaboration are essential for proactively identifying issues and maintaining high software quality standards.

What are the key skills and qualifications needed to thrive as a senior software development engineer in test, and why are they important?

To thrive as a Senior Software Development Engineer In Test, you need advanced programming skills, deep knowledge of software testing methodologies, and a bachelor's degree in computer science or a related field. Expertise with automation frameworks (such as Selenium, Cypress, or Appium), CI/CD tools, and scripting languages is typically required, along with relevant certifications like ISTQB. Strong analytical thinking, problem-solving, and effective communication are crucial soft skills for collaborating with cross-functional teams and driving quality initiatives. These capabilities ensure rigorous test coverage, faster release cycles, and high-quality software products.

What is the difference between Senior Software Development Engineer In Test vs Software Development Engineer In Test?

AspectSenior Software Development Engineer In TestSoftware Development Engineer In Test
ExperienceTypically 5+ years in testing and developmentEntry to mid-level, 1-3 years experience
ResponsibilitiesDesigns complex test frameworks, mentors juniors, leads testing initiativesDevelops test cases, automates tests, executes testing tasks
Skills & CertificationsAdvanced coding, automation, testing tools, leadership skillsProgramming, automation, testing tools
Work EnvironmentCollaborates with cross-functional teams, often in Agile settingsWorks closely with developers, focuses on automation and manual testing

In summary, a Senior Software Development Engineer In Test has more experience, leadership responsibilities, and strategic testing roles compared to a Software Development Engineer In Test, who primarily focuses on developing and executing tests.

What are the most commonly searched types of Software Development Engineer In Test jobs in Herndon, VA?

The most popular types of Software Development Engineer In Test jobs in Herndon, VA are:

What are popular job titles related to Senior Software Development Engineer In Test jobs in Herndon, VA?

For Senior Software Development Engineer In Test jobs in Herndon, VA, the most frequently searched job titles are:

What job categories do people searching Senior Software Development Engineer In Test jobs in Herndon, VA look for?

The top searched job categories for Senior Software Development Engineer In Test jobs in Herndon, VA are:

What cities near Herndon, VA are hiring for Senior Software Development Engineer In Test jobs?

Cities near Herndon, VA with the most Senior Software Development Engineer In Test job openings:

Senior Software Development Engineer In Test jobs near you
Infographic showing various Senior Software Development Engineer In Test job openings in Herndon, VA as of August 2026, with employment types broken down into 1% As Needed, 86% Full Time, 11% Part Time, and 2% Contract. Highlights an 84% Physical, 2% Hybrid, and 14% Remote job distribution, with an average salary of $129,118 per year, or $62.1 per hour.

Sr SDET

System One

Reston, VA • On-site

$115K - $149K/yr

Other

Posted 4 days ago

Job description

Senior SDET (Automation Testing) | Hybrid | Reston, VA

We are seeking a Senior Software Development Engineer in Test (SDET) with strong expertise in UI, Web Services, and Mobile Test Automation to support a high-impact technology team. This is a short-term contract opportunity through the end of the year, requiring local candidates in the DMV area who can work onsite in Reston, VA as needed.

Location
  • Hybrid: Reston, VA (onsite every other week and as needed)
  • Local DMV candidates only
Key Responsibilities
  • Analyze user stories and acceptance criteria and develop automated test scripts for web, mobile, and API applications.
  • Design, develop, maintain, and enhance automation frameworks aligned with enterprise standards.
  • Create and execute test plans, test cases, regression suites, and smoke tests.
  • Develop automation using Selenium, Cucumber, BDD frameworks, SoapUI, and Appium.
  • Execute automated testing within CI/CD pipelines using Jenkins.
  • Identify, troubleshoot, and document defects using Jira.
  • Collaborate closely with developers, product owners, and business stakeholders to ensure quality delivery.
  • Analyze test results, perform root cause analysis, and recommend corrective actions.
  • Mentor junior testers and provide leadership across testing initiatives.
Required Qualifications
  • 8-10 years of software testing experience, including at least 5 years in automated testing and framework development.
  • Strong hands-on experience with:
    • Selenium
    • Cucumber / BDD Frameworks
    • Appium (Mobile Automation)
    • SoapUI (API/Web Services Testing)
    • Jenkins and CI/CD pipelines
  • Programming experience with Java, JavaScript, SQL, and PL/SQL.
  • Experience designing and maintaining test automation frameworks.
  • Knowledge of AWS and cloud-based testing.
  • Strong database experience with Oracle, SQL Server, DB2, or similar platforms.
  • Experience working in Agile and Waterfall environments.
  • Bachelor''s degree in Computer Science, Information Technology, Engineering, or related field (or equivalent experience).
Preferred Qualifications
  • Experience testing healthcare applications.
  • Exposure to multiple operating systems and technologies including Windows, Linux, UNIX, .NET, and web technologies.
Key Skills

Test Automation, Selenium, Cucumber, BDD, Appium, SoapUI, Java, JavaScript, SQL, PL/SQL, Jenkins, CI/CD, AWS, API Testing, Mobile Testing, Web Testing, Jira, Agile, SDLC, Automation Framework Development.

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About System One

Sourced by ZipRecruiter

System One helps employers get work done more efficiently and economically without compromising quality. Over our 35+ year history, we've helped connect thousands of talented people with innovative companies. The excitement of a perfect fit motivates us every single day.

Industry

Business consulting services and recruiting and staffing services

Company size

5,001 - 10,000 Employees

Headquarters location

Pittsburgh, PA, US

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