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Senior Software Development Engineer In Test Jobs in Moro, IL

Senior Test Engineer

Hazelwood, MO · On-site

$107K - $195K/yr

Position may be performed in the following locations below. * Gaithersburg, MD * Alexandria, VA ... Experience testing enterprise applications throughout the software development lifecycle. * Strong ...

Senior Test Engineer

Bridgeton, MO · On-site

$107K - $195K/yr

Position may be performed in the following locations below. * Gaithersburg, MD * Alexandria, VA ... Experience testing enterprise applications throughout the software development lifecycle. * Strong ...

Senior Test Engineer

Caseyville, IL · On-site

$107K - $195K/yr

Position may be performed in the following locations below. * Gaithersburg, MD * Alexandria, VA ... Experience testing enterprise applications throughout the software development lifecycle. * Strong ...

Senior Test Engineer

Glen Carbon, IL · On-site

$107K - $195K/yr

Position may be performed in the following locations below. * Gaithersburg, MD * Alexandria, VA ... Experience testing enterprise applications throughout the software development lifecycle. * Strong ...

Senior Test Engineer

Collinsville, IL · On-site

$107K - $195K/yr

Position may be performed in the following locations below. * Gaithersburg, MD * Alexandria, VA ... Experience testing enterprise applications throughout the software development lifecycle. * Strong ...

Senior Test Engineer

East Saint Louis, IL · On-site

$107K - $195K/yr

Position may be performed in the following locations below. * Gaithersburg, MD * Alexandria, VA ... Experience testing enterprise applications throughout the software development lifecycle. * Strong ...

Senior Test Engineer

Hartford, IL · On-site

$107K - $195K/yr

Position may be performed in the following locations below. * Gaithersburg, MD * Alexandria, VA ... Experience testing enterprise applications throughout the software development lifecycle. * Strong ...

Senior Test Engineer

Venice, IL · On-site

$107K - $195K/yr

Position may be performed in the following locations below. * Gaithersburg, MD * Alexandria, VA ... Experience testing enterprise applications throughout the software development lifecycle. * Strong ...

Position may be performed in the following locations below. * Gaithersburg, MD * Alexandria, VA ... Experience testing enterprise applications throughout the software development lifecycle. * Strong ...

Senior Test Engineer

South Roxana, IL · On-site

$107K - $195K/yr

Position may be performed in the following locations below. * Gaithersburg, MD * Alexandria, VA ... Experience testing enterprise applications throughout the software development lifecycle. * Strong ...

Senior Test Engineer

Fairview Heights, IL · On-site

$107K - $195K/yr

Position may be performed in the following locations below. * Gaithersburg, MD * Alexandria, VA ... Experience testing enterprise applications throughout the software development lifecycle. * Strong ...

Senior Test Engineer

Wood River, IL · On-site

$107K - $195K/yr

Position may be performed in the following locations below. * Gaithersburg, MD * Alexandria, VA ... Experience testing enterprise applications throughout the software development lifecycle. * Strong ...

Senior Test Engineer

Saint Louis, MO · On-site

$107K - $195K/yr

Position may be performed in the following locations below. * Gaithersburg, MD * Alexandria, VA ... Experience testing enterprise applications throughout the software development lifecycle. * Strong ...

Senior Test Engineer

Maryville, IL · On-site

$107K - $195K/yr

Position may be performed in the following locations below. * Gaithersburg, MD * Alexandria, VA ... Experience testing enterprise applications throughout the software development lifecycle. * Strong ...

Senior Test Engineer

Roxana, IL · On-site

$107K - $195K/yr

Position may be performed in the following locations below. * Gaithersburg, MD * Alexandria, VA ... Experience testing enterprise applications throughout the software development lifecycle. * Strong ...

Senior Test Engineer

Saint Ann, MO · On-site

$107K - $195K/yr

Position may be performed in the following locations below. * Gaithersburg, MD * Alexandria, VA ... Experience testing enterprise applications throughout the software development lifecycle. * Strong ...

Senior Test Engineer

Florissant, MO · On-site

$107K - $195K/yr

Position may be performed in the following locations below. * Gaithersburg, MD * Alexandria, VA ... Experience testing enterprise applications throughout the software development lifecycle. * Strong ...

Senior Test Engineer

Madison, IL · On-site

$107K - $195K/yr

Position may be performed in the following locations below. * Gaithersburg, MD * Alexandria, VA ... Experience testing enterprise applications throughout the software development lifecycle. * Strong ...

Senior Test Engineer

Edwardsville, IL · On-site

$107K - $195K/yr

Position may be performed in the following locations below. * Gaithersburg, MD * Alexandria, VA ... Experience testing enterprise applications throughout the software development lifecycle. * Strong ...

Senior Test Engineer

Granite City, IL · On-site

$107K - $195K/yr

Position may be performed in the following locations below. * Gaithersburg, MD * Alexandria, VA ... Experience testing enterprise applications throughout the software development lifecycle. * Strong ...

Showing results 41-60

Senior Software Development Engineer In Test information

See Moro, IL salary details

$21.2K

$118.2K

$153.9K

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

As of Sep 9, 2026, the average yearly pay for senior software development engineer in test in Moro, IL is $118,211.00, according to ZipRecruiter salary data. Most workers in this role earn between $104,000.00 and $135,100.00 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 cities near Moro, IL are hiring for Senior Software Development Engineer In Test jobs?

Cities near Moro, IL with the most Senior Software Development Engineer In Test job openings:

Senior Test Engineer

Hazelwood, MO • On-site

Leidos
IT Services • 10K+ employees

$107K - $195K/yr

Full-time

Medical, Retirement, PTO

This job post has expired today. Applications are no longer accepted.


Leidos rating

8.3

Company rating: 8.3 out of 10

Based on 153 frontline employees who took The Breakroom Quiz

82nd of 501 rated business services


Job description

Description

Job Description:

Make an Impact Where Innovation Meets Mission Success

At Leidos, we’re solving some of the nation’s most complex technical challenges by delivering mission-critical capabilities to our customers. We’re looking for a passionate Senior Test Engineer to join the Chinook Program to support one of our customers’ applications, a critical capability that enables operational success through reliable, high-quality software solutions.

If you’re energized by building exceptional software, leading testing efforts, and collaborating with talented engineers in a fast-paced Agile environment, this is your opportunity to make a meaningful impact.

Why Join Leidos?

You’ll work alongside some of the brightest minds in technology, solving complex challenges while delivering capabilities that truly matter. We offer meaningful work, opportunities for professional growth, competitive benefits, and the chance to make a lasting impact.

Position may be performed in the following locations below. 

  • Gaithersburg, MD
  • Alexandria, VA
  • Chantilly, VA
  • Englewood, CO
  • St. Louis, MO
  • Tucson, AZ 
Clearance Level Required:

Active Top Secret/SCI with the ability to successfully pass a Polygraph examination.

Primary Responsibilities:

  • Lead planning, design, development, and execution of comprehensive test strategies.
  • Develop and maintain automated and manual test cases for web-based and enterprise applications.
  • Partner with software developers, systems engineers, and stakeholders to ensure quality throughout the software development lifecycle.
  • Perform functional, integration, regression, system, and performance testing.
  • Identify, document, prioritize, and track software defects through resolution.
  • Support CI/CD pipelines by integrating automated testing into DevSecOps workflows.
  • Champion testing best practices across the team.
  • Contribute to continuous process improvements that enhance software quality and program success.

Basic Qualifications:

  • US citizenship is required per contract.
  • Bachelor's degree in Computer Science, Engineering, Information Technology or related field and 8-12 years of prior relevant experience or Master’s with 6-10 years of prior relevant experience.
  • 8+ years of software testing or quality engineering experience.
  • Experience testing enterprise applications throughout the software development lifecycle.
  • Strong understanding of Agile methodologies and CI/CD processes.
  • Experience developing automated test solutions.
  • Knowledge of functional, integration, regression, system, and performance testing methodologies.
  • Strong analytical and troubleshooting skills.
  • Ability to communicate results and issues to technical and non-technical customer stakeholders.

Preferred Qualifications:

  • Familiarity with automated testing frameworks (i.e., Playwright, Cypress, etc.) and scripting languages (JavaScript, Python).
  • Familiarity with enterprise applications and large-scale systems.
  • Experience with API, UI, database, and performance testing.
  • Knowledge of cloud-native applications and containerized environments.
  • Certifications such as ISTQB, CASTP, CAST, CSTE, Security+, or similar.

#Chinook

#NSBAA

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:August 5, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:Pay Range $107,900.00 - $195,050.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits.

Securing Your Data

Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.


What Leidos employees say

Pay

Benefits

Hours and flexibility

Workplace

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Leidos logo

About Leidos

Sourced by ZipRecruiter

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainable practices. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community.

Industry

It services

Company size

10,000+ Employees

Headquarters location

Reston, VA, US

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