Application Tester

Leidos Holding$116K — $210K *
Information Technology
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • BS in a technical field with 12 years or more of experience, or a Master's with at least 10 years.
  • Active TS/SCI with Polygraph Security Clearance required.
  • Proficient in manually testing web applications (Java, J2EE, JSP).
  • Capable of working both independently and collaboratively in a team environment.
  • Strong ability to communicate technical details to diverse audiences.
  • Experience in tracking and communicating test defects effectively.
  • Professional execution of duties with flexibility for ad hoc tasks.

Responsibilities

  • Test all system components across Java, web front-end, and cloud technology.
  • Build and configure test environments for various hardware configurations independently.
  • Create tests for ad hoc situations like field-reported issues or load testing.
  • Collaborate with test and development teams to support test-driven development.
  • Communicate effectively with teams to clarify technical aspects and drive project progress.
  • Assist in ensuring team-wide understanding of testing principles and practices.
  • Engage in hands-on work requiring travel to different locations for hardware access.

Benefits

  • Collaborative and fast-paced work environment.
  • Opportunity to work on high-profile projects.
  • Flexible tasks support for team members in need.
  • Enhanced communication across technical teams.
  • Exposure to diverse technologies including mobile and cloud.
Full Job Description
Leidos is seeking a highly motivated and focused individual to join the Test team on a high-profile, fast-paced and dynamic project. Candidates must possess an active TS/SCI with Polygraph Security Clearance in order to be considered.

Primary Responsibilities: The Tester will be responsible for:

Testing all aspects of the system including Java and web based front end running on Windows clients, Linux servers, and cloud technologies to ensure all components work on a variety of hardware ranging from simple workstations, a variety of devices including but not limited to mobile and high-end servers.

Tester must have sufficient experience to build and configure workstations and/or servers independently or with minimal guidance to create test environments that mirror a multitude of installed baselines.

May be asked to create tests for ad hoc situations such as replicating field-reported problems or load testing under specific conditions.

Must possess a tempered level of confidence that leaves room for regular teamwork, collaboration as well as self-motivation and initiative.

Responsible for clearly communicating and engaging with the test and development teams and the Release Manager to continuously support and move solid test-driven development principles and priorities into the work environment.

Give support and knowledge effectively ensure the team at-large has full and complete understanding of relevant principles to enable the development team to move swiftly and smoothly to correct or change course and execute on all requirements.

Some travel is required between locations for hands-on work where hardware resides.

Basic Qualifications:
  • Requires BS degree and at least 12 years of prior relevant experience or Masters with at least10 years of prior relevant experience. May possess a Doctorate in technical domain
  • Must have an active TS/SCI with Poly to be considered.
  • Experience with manually testing of web-based applications (e.g. Java, J2EE, JSP, technologies, including EJBs and Web Services)
  • Ability to work in a team environment as much as staying focused when working independently with only high level goals
  • Ability to explain technical procedures and results clearly and accurately to both technical and non-technical audiences.
  • Experience with detecting, tracking, reporting, and communicating any test defects effectively.
  • Must be able to execute duties professionally, expeditiously and successfully and be open to ad hoc tasking in support of burdened team members
  • Some travel between locations for hands-on work where hardware resides


Desired Skills
  • Experience with Jira, agile development methodologies and test driven development.
  • Test automation
  • Scripting experience
  • Ability to juggle competing priorities
  • Experience testing on MacOS
  • Strong oral and written communication skills


Original Posting:
June 16, 2026

Pay Range:
Pay Range $116,350.00 - $210,325.00

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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