Mid-Level Test Engineer

Leidos Holding$87K — $157K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • US citizenship is mandatory due to contract requirements.
  • Bachelor's degree in a relevant field with 4-8 years of experience, or Master's with 2-6 years.
  • 6+ years of experience in software testing or quality engineering.
  • Proven experience in Agile software development processes.
  • Skilled in creating and executing both manual and automated test plans.
  • Knowledge of automated testing tools like Cypress or Playwright is essential.
  • Experience in API testing with Postman or REST Assured.

Responsibilities

  • Lead the development and execution of detailed test strategies during Agile sprints.
  • Design and maintain both automated and manual test cases for system capabilities.
  • Work collaboratively with cross-functional teams to define and uphold quality standards.
  • Conduct various testing methodologies, including functional and regression testing.
  • Evaluate application performance and security, ensuring usability meets standards.
  • Track and manage software defects from identification to resolution.
  • Integrate automated testing into CI/CD pipelines and deployment processes.

Benefits

  • Collaborative work environment in a DevSecOps culture.
  • Opportunities for professional development and certifications.
  • Work alongside cross-functional teams on high-impact software.
  • Flexibility in work location across multiple sites.
Full Job Description
Job Description:

As a Mid-Level Test Engineer, you will play a key role in ensuring the delivery of reliable, secure, and high-performing software solutions. You'll work as an integral member of a cross-functional Agile Scrum Team, developing and executing comprehensive test strategies that support rapid, iterative delivery while maintaining exceptional quality standards.

This role is ideal for someone who thrives in a collaborative DevSecOps environment and enjoys automating testing, and improving processes.

Position may be performed in the following locations below. Please note Gaithersburg, MD is the program's primary work location.
  • 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 across multiple Agile sprints.
  • Design, develop, and maintain automated and manual test cases for new and existing capabilities.
  • Collaborate daily with software engineers, product managers, system engineers, and Scrum Masters to define acceptance criteria and ensure quality is built into every release.
  • Perform functional, integration, regression, system, and end-to-end testing.
  • Validate application performance, reliability, security, and usability.
  • Identify, document, prioritize, and track software defects through resolution.
  • Support Continuous Integration/Continuous Delivery (CI/CD) pipelines by integrating automated testing into deployment workflows.
  • Analyze test results, communicate risks, and provide recommendations that improve software quality.
  • Contribute to continuous process improvement initiatives that enhance Agile team effectiveness.


Basic Qualifications:
  • US citizenship is required per contract.
  • Bachelor's degree in Computer Science, Engineering, Information Technology or related field and 4-8 years of prior relevant experience or Master's with 2-6 years of prior relevant experience.
  • 6+ years of software testing or quality engineering experience.
  • Experience supporting Agile software development programs.
  • Demonstrated experience creating and executing manual and automated test plans.
  • Experience with automated testing tools such as Cypress, Playwright, or equivalent.
  • Experience with API testing using tools such as Postman or REST Assured.
  • Familiarity with CI/CD tools including Jenkins, GitLab, Azure DevOps, or similar platforms.
  • Experience with defect management tools such as Jira.
  • Ability to communicate results and issues to technical and non-technical customer stakeholders.


Preferred Qualifications:
  • Experience supporting DoD or Intelligence Community programs.
  • Familiarity with scripting languages including JavaScript, and Python.
  • Knowledge of containerized applications using Docker and Kubernetes.
  • Experience with performance testing tools such as JMeter or LoadRunner.
  • Familiarity with cloud technologies including AWS, Azure, or OpenShift
  • Knowledge of DevSecOps pipelines and automated quality assurance practices.
  • Experience working with modern software delivery environments.
  • Experience with geospatial applications or GEOINT data.
  • Certifications such as ISTQB, CASTP, CAST, CSTE, Security+, or similar.


#Chinook

Original Posting:
July 21, 2026

Pay Range:
Pay Range $87,100.00 - $157,450.00

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 Holding

Leidos Holding Careers

Joining Leidos Holding presents an unparalleled opportunity to advance one's career with a leader in innovation and technology. The company offers a plethora of job opportunities aimed at fostering professional growth and development in a diverse and inclusive environment.

Explore Career Opportunities

Leidos Holding is actively seeking skilled professionals who are passionate about leveraging their expertise to drive innovation and leadership in their fields. With a variety of open positions, Leidos Holding provides a platform for individuals to challenge themselves in a dynamic work environment.

Innovation and Professional Growth

At Leidos Holding, innovation is at the core of everything they do. Employees are encouraged to think creatively and push boundaries. The company supports this drive for innovation through comprehensive professional development and diversity training programs that are designed to enhance skills and foster leadership.

Commitment to Diversity and Inclusion

Leidos Holding is committed to creating a workplace where diversity is not only recognized but celebrated. With a culture that values and promotes diversity, Leidos Holding ensures that all team members have the opportunity to contribute, learn, and grow.

Internship Programs

For those starting their career, Leidos Holding offers internship programs that provide a robust foundation in the industry. Internships are a great way to develop essential skills, gain valuable work experience, and build professional networks.

Benefits and Culture

Employees at Leidos Holding enjoy a range of benefits designed to support their professional and personal lives. The company culture is built on a foundation of respect and integrity, providing a supportive and collaborative environment where every team member is valued.

Join the Team

Leidos Holding is hiring! Explore job opportunities that match your skills and interests. Leidos Holding looks for driven, curious, and innovative individuals to join their team. Positions are available across various disciplines and experience levels.

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Prepare for Your Interview

To prepare for an interview at Leidos Holding, candidates should familiarize themselves with the company's missions and values, update their resumes, and be ready to discuss how their background and skills align with the position they are applying for.

Networking and Career Advancement

Leidos Holding encourages its employees to engage in networking within the company to discover new opportunities for career advancement. The leadership team at Leidos Holding is dedicated to supporting employees in their career paths with ample opportunities for networking and growth.

Explore Leidos Holding Jobs and Careers

Discover the exciting career opportunities at Leidos Holding today. With a commitment to employee growth, innovation, and diversity, Leidos Holding is the perfect place to advance your career. Check out the latest job listings and find your perfect fit at Leidos Holding.

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