Demo

Senior Software Test Engineer

Meso Scale Diagnostics LLC
Rockville, MD Full Time
POSTED ON 12/26/2025
AVAILABLE BEFORE 2/26/2026
Description

POSITION SUMMARY

The Senior Software Test Engineer is responsible for the testing of major components of present and future MSD software products.

DUTIES AND RESPONSIBILITIES

  • Independently create, improve, maintain, and execute a testing framework (manual and automated).
  • Develop and execute smoke tests, test software patches, test internal releases and test full product releases.
  • Develop and execute end-to-end, operational, and performance tests for software products.
  • Interfacing with other departments when needed to coordinate testing efforts or resources.
  • Verify and/or validate software products providing official verification results.
  • Aide in the creation of release documentation and ensure they are complete and accurate.
  • Review, improve, and audit based on our processes used for verification and validation.

EXPERIENCE AND QUALIFICATIONS

  • A minimum of Bachelor's degree in Computer Science, Engineering or related area is required.
  • 3-5 years experience in testing through a full software development life cycle.

KNOWLEDGE, SKILLS AND ABILITIES

  • Working knowledge of testing tools like Selenium WebDriver and Postman.
  • Working knowledge of Java, Python, version management control software, and bug-tracking software.
  • Knowledge of test management software is desired.
  • Knowledge of scripting, building tools, databases, and installations desirable.
  • Ability to work in a fast-paced environment with developers to integrate and test software components into a system to meet requirements
  • Ability to diagnose and troubleshoot the test framework to resolve problems during automated test development.
  • Excellent interpersonal skills and ability to work well with personnel at all levels.
  • Effectively communicate issues/problems and results that impact timelines, accuracy and reliability of test data.
  • Ability to analyze requirements and user stories to ensure test coverage.
  • Creativity in test approach is expected.
  • Strong written and verbal skills required.

PHYSICAL DEMANDS

This position requires the ability to communicate and exchange information, utilize equipment necessary to perform the job, and move about the office.

WORK ENVIRONMENT

This position is typically performed in a traditional office environment or remotely as needed.

COMPENSATION SUMMARY

The annual base salary for this position ranges from $88,100 to $134,400. This salary range represents a general guideline as MSD considers other factors when presenting an offer of employment, such as scope and responsibilities of the position, external market factors, and the candidate's knowledge, skills, abilities, education and experience. Employees may qualify for a discretionary or non-discretionary bonus in addition to their base salary. These annual bonuses are intended to recognize individual performance and enable employees to benefit from the Company's overall success.

BENEFITS SUMMARY

At MSD, we offer a comprehensive benefits package to support our employees' well-being and financial security. In addition to competitive salaries, our benefits include medical, dental, and vision coverage, along with prescription benefits. We provide a 401(k) plan with company matching, flexible spending accounts, and company-paid short- and long-term disability insurance as well as group life and accidental death and dismemberment insurance. Our offerings also encompass paid vacation, paid sick leave, paid holidays, and paid parental leave, along with an employee assistance program. Additional voluntary perks include a fitness club membership contribution, pet insurance, identity theft protection, home and auto insurance discounts, and optional supplemental life insurance.

EEO/AA STATEMENT

MSD is an Equal Opportunity/Affirmative Action Employer. We are committed to fostering a diverse and inclusive workplace where all individuals are treated with respect and dignity. We welcome applications from all qualified candidates, making employment decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, genetic information, marital status, national origin, age, protected veteran status, pregnancy, disability status, or any other protected characteristic. For our full EEO/AA and Pay Transparency statement, please visit here. Meso Scale Diagnostics uses E-Verify to validate the work eligibility of candidates.



Equal Opportunity Employer
This employer is required to notify all applicants of their rights pursuant to federal employment laws. For further information, please review the Know Your Rights notice from the Department of Labor.



Meso Scale Diagnostics, LLC. provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, disability, genetic information, marital status, amnesty, or status as a covered veteran in accordance with applicable federal, state and local laws. https://www.mesoscale.com/en/our_company/careers/equal_employment_opportunity_statement/

 

Salary.com Estimation for Senior Software Test Engineer in Rockville, MD
$117,659 to $137,816
If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Senior Software Test Engineer?

Sign up to receive alerts about other jobs on the Senior Software Test Engineer career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$104,692 - $122,242
Income Estimation: 
$128,874 - $152,513
Income Estimation: 
$83,431 - $103,091
Income Estimation: 
$106,113 - $127,991
Income Estimation: 
$106,113 - $127,991
Income Estimation: 
$127,094 - $153,876
Income Estimation: 
$63,871 - $78,758
Income Estimation: 
$83,431 - $103,091
Income Estimation: 
$127,094 - $153,876
Income Estimation: 
$116,820 - $149,340

Sign up to receive alerts about other jobs with skills like those required for the Senior Software Test Engineer.

Click the checkbox next to the jobs that you are interested in.

  • Bug/Defect Analysis Skill

    • Income Estimation: $72,620 - $96,681
    • Income Estimation: $74,092 - $105,774
  • Debugging Skill

    • Income Estimation: $72,620 - $96,681
    • Income Estimation: $74,092 - $105,774
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at Meso Scale Diagnostics LLC

  • Meso Scale Diagnostics LLC Rockville, MD
  • Description POSITION SUMMARY: Production role in consumables, kit or reagent manufacturing responsible for meeting production schedules in a fast-paced, hi... more
  • 13 Days Ago

  • Meso Scale Diagnostics LLC Los Angeles, CA
  • Description POSITION SUMMARY: The Field Service Engineer II is responsible for installation, preventive maintenance, repair, and all other instrument servi... more
  • 13 Days Ago

  • Meso Scale Diagnostics LLC Rockville, MD
  • Description POSITION SUMMARY: Assists Director, Environmental Health and Safety (EHS) with implementation and administration of MSD's EHS program. Provides... more
  • 14 Days Ago

  • Meso Scale Diagnostics LLC Rockville, MD
  • Description POSITION SUMMARY: This position is responsible for developing, planning, and executing research and product development projects for various di... more
  • 15 Days Ago


Not the job you're looking for? Here are some other Senior Software Test Engineer jobs in the Rockville, MD area that may be a better fit.

  • Default (MSD) Rockville, MD
  • POSITION SUMMARY: The Senior Software Test Engineer is responsible for the testing of major components of present and future MSD software products. DUTIES ... more
  • 21 Days Ago

  • Syms Strategic Group, LLC (SSG) Ashburn, VA
  • Syms Strategic Group (SSG) is seeking a talented Senior Software Test Engineer Location: Remote Department: Veterans Affairs (VA) Type: Full Time Min. Expe... more
  • 24 Days Ago

AI Assistant is available now!

Feel free to start your new journey!