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Systems Tester Jobs (NOW HIRING)

Working knowledge of testing fault tolerance Telecommunications BSS/OSS systems experience a plus NGOSS/SID knowledge a plus Strong verbal and written communication skills Excellent organizational ...

Working knowledge of testing fault tolerance Telecommunications BSS/OSS systems experience a plus NGOSS/SID knowledge a plus Strong verbal and written communication skills Excellent organizational ...

The role involves software system testing, writing test cases, and executing them to ensure quality assurance in software products. Responsibilities : • System Testing • Software System Testing ...

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Systems Tester information

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How much do systems tester jobs pay per hour?

As of Jul 20, 2026, the average hourly pay for systems tester in the United States is $38.49, according to ZipRecruiter salary data. Most workers in this role earn between $24.52 and $50.24 per hour, depending on experience, location, and employer.

What does a systems tester do?

A systems tester evaluates software and hardware systems to identify bugs, errors, and performance issues. They create and execute test plans, document findings, and ensure that systems meet quality standards before deployment, often using testing tools and scripting skills.

Will AI replace testers?

AI can automate certain testing tasks such as regression testing and bug detection, but it is unlikely to fully replace systems testers. Human testers are essential for understanding complex user scenarios, analyzing results, and designing test cases that require critical thinking and domain knowledge. Combining AI tools with human expertise enhances testing efficiency and effectiveness.

What are systems testers?

Systems testers are professionals who evaluate software or hardware systems to ensure they function as intended and meet specified requirements. They design and execute test cases, identify bugs, and work closely with developers to resolve issues. Their work helps maintain the quality and reliability of technology solutions before they are released to users. Systems testers may focus on functional, performance, security, or integration testing depending on the project needs.

Are QA testers in demand in 2026?

Quality Assurance (QA) testers, including systems testers, are expected to remain in demand in 2026 due to ongoing software development and the need for thorough testing. Skills in automation tools, scripting, and understanding of testing frameworks will enhance job prospects as companies prioritize quality and efficiency.

What is the difference between Systems Tester vs Software Tester?

AspectSystems TesterSoftware Tester
Primary FocusTesting entire systems, including hardware, software, and integration pointsTesting specific software applications or modules
Required SkillsKnowledge of hardware, networking, and software testingStrong software testing methodologies and programming basics
Work EnvironmentOften in environments with both hardware and software componentsPrimarily in software development and testing labs
CertificationsISTQB, ISTQB Advanced, or similarISTQB, Certified Software Tester (CSTE), or similar

Systems Testers focus on testing entire systems, including hardware and software integration, while Software Testers concentrate on testing specific software applications. Both roles require similar certifications and work in related environments, but their scope and focus differ significantly.

What are some typical challenges systems testers face when validating complex software systems?

Systems testers often encounter challenges such as unclear or incomplete requirements, rapidly evolving codebases, and integration issues between different software modules. Testing in environments that closely mimic production can also be difficult, especially when dealing with large-scale or distributed systems. Successful testers collaborate closely with developers, business analysts, and other stakeholders to clarify expectations and ensure comprehensive test coverage, while continually updating test cases to reflect system changes.

What are the key skills and qualifications needed to thrive as a Systems Tester, and why are they important?

To thrive as a Systems Tester, you need a solid understanding of software testing methodologies, quality assurance processes, and the ability to analyze system requirements, often supported by a degree in computer science or a related field. Familiarity with automated testing tools (like Selenium or JUnit), bug tracking systems, and relevant certifications such as ISTQB are typically required. Strong attention to detail, analytical thinking, and effective communication help Systems Testers identify issues and collaborate with developers. These skills are essential for ensuring software reliability, maintaining high-quality standards, and delivering robust systems to end-users.

How much do software testers get paid?

Software testers' salaries vary based on experience, location, and industry, but the average annual pay ranges from $50,000 to $80,000. Entry-level testers typically earn less, while those with specialized skills or certifications can earn higher salaries, especially in competitive markets or with experience in automation tools.
More about Systems Tester jobs
What cities are hiring for Systems Tester jobs? Cities with the most Systems Tester job openings:
What states have the most Systems Tester jobs? States with the most job openings for Systems Tester jobs include:
Infographic showing various Systems Tester job openings in the United States as of July 2026, with employment types broken down into 1% As Needed, 87% Full Time, 9% Part Time, and 3% Contract. Highlights an 90% Physical, 2% Hybrid, and 8% Remote job distribution, with an average salary of $80,065 per year, or $38.5 per hour.
Senior Specialist, Systems Engineer - User Acceptance Tester

Senior Specialist, Systems Engineer - User Acceptance Tester

L3Harris Technologies

Fort Washington, MD

Full-time

Medical, Retirement, PTO

Posted 21 days ago


Job description

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do.

L3Harris is the Trusted Disruptor in defense tech. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.

Job Title: Senior Specialist, Systems Engineer – User Acceptance Tester
Job Code: 38609
Job Location: Springfield, VA (100% Onsite)
Work Schedule:  5/8 Monday-Friday

Job Description:

L3Harris Technologies currently has an opening for a User Acceptance Tester with expertise in Test and Integration for an important National Security Program.

The successful candidate will support a high performing team of Government and Contractor professionals by testing software releases to ensure they function correctly, documenting failed test cases, and documenting any changes or updates needed to existing procedures.  This role is critical in maintaining the integrity and performance of our software products. 

Essential Functions: 

  • Design, develop, and manage test cases, including traceability to requirements, user stories, etc.
  • Execute software testing events using industry-accepted test tools.
  • Participate in User Acceptance Testing (UAT) and Government Acceptance Testing (GGAT) exercises.
  • Document and report any bugs, issues, discrepancies, or failed test cases found during testing government defect tracking tool.
  • Develop/deliver test reports as well as present finding to project stakeholders.
  • Able to independently develop and precisely follow test scripts with attention to detail, document findings.
  • Use strong written and verbal communication skills, with experience updating senior leadership.
  • Able to work independently with minimum supervision.

Qualifications:

  • Bachelor’s Degree and minimum 6 years of prior relevant experience. Graduate Degree and a minimum of 4 years prior related experience. In lieu of a degree, minimum of 10 years of prior related experience.
  • Active Top Secret/SCI with CI Polygraph
  • 5+ years of software integration and test experience with a focus on user acceptance testing (UAT).
  • Experience developing and executing manual and automated software tests.
  • Experience using industry-accepted test automation tools, such as Test Complete or Selenium.
  • Experience using industry-accepted requirements repository and defect tracking tools (ex. Backlog, Bugzilla, Jira, etc.)

Preferred Additional Skills:

  • Knowledge of NRO organization and operational missions.
  • Relevant certification or coursework (e.g., ISTQB Certified Tester – Acceptance Testing (CT-AcT).
    In compliance with pay transparency requirements, the salary range for this role in Virginia - Greater Washington, D.C. Area is $106,500 - $197,500.00. This is not a guarantee of compensation or salary, as final offer amount may vary based on factors including but not limited to experience and geographic location. L3Harris also offers a variety of benefits, including health and disability insurance, 401(k) match, flexible spending accounts, EAP, education assistance, parental leave, paid time off, and company-paid holidays. The specific programs and options available to an employee may vary depending on date of hire, schedule type, and the applicability of collective bargaining agreements.

L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law.

Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information.

By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions.

L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish. For information regarding your Right To Work, please click here for English or Spanish.