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Senior Software Development Engineer In Test Jobs in Merrimack, NH

Senior Software Test Engineer

Tewksbury, MA

$119K - $154K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... in research and development, we offer capabilities and opportunity no one else can. Together, we ... We are looking for a highly skilled and detail-oriented Senior Software Test Engineer to join our ...

New

Senior Software Engineer

Merrimack, NH · On-site

$125K - $165K/yr

Senior Software Engineer The Role A well-rounded senior software engineering professional with a ... Solid understanding of SDLC methodologies and their importance in software development * Passion ...

Senior Software Engineer

Merrimack, NH

$125K - $165K/yr

Implement unit tests, integration tests, and other automated tests to ensure the reliability and ... Proven experience working in Agile or Scrum development environments. * Containerization:

New

Software Engineer

Tewksbury, MA · On-site

$98 - $102/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Secret clearance required Senior Software Engineers to join our development team in Tewksbury ... Design, code, test, integrate, and document software solutions. * Participate in internal review of ...

Senior Software Engineer

Nashua, NH · On-site

$123K - $162K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

We are looking to hire a Senior Software Engineer who wants to get involved with a small, fast ... Participate in design reviews, API development, and documentation. * Work with new technologies ...

Senior Software Engineer

Nashua, NH · On-site

$123K - $163K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

We are looking to hire a Senior Software Engineer who wants to get involved with a small, fast ... Participate in design reviews, API development, and documentation. * Work with new technologies ...

Senior Software Engineer

Nashua, NH · On-site

$123K - $163K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

We are looking to hire a Senior Software Engineer who wants to get involved with a small, fast ... Participate in design reviews, API development, and documentation. * Work with new technologies ...

Senior Software Engineer

Nashua, NH · On-site

$123K - $163K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

We are looking to hire a Senior Software Engineer who wants to get involved with a small, fast ... Participate in design reviews, API development, and documentation. * Work with new technologies ...

Software Engineer III (DevOps)

Lowell, MA · On-site

$102.30 - $147.05/hr

As a Senior Software Engineer, you will be responsible for the design, development, testing ... Build testable software, define tests, participate in the testing process, automate tests using ...

Senior C/C++ Software Development Engineer

Tewksbury, MA

$132K - $174K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

In this role, you will work closely with software developers, system architects, and product leads ... Experience with software development methodologies (Agile, Scrum, etc.). What We Offer Our values ...

Senior C/C++ Software Development Engineer

Tewksbury, MA

$132K - $174K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

In this role, you will work closely with software developers, system architects, and product leads ... Experience with software development methodologies (Agile, Scrum, etc.). What We Offer Our values ...

Showing results 41-60

Senior Software Development Engineer In Test information

See Merrimack, NH salary details

$23K

$128.6K

$167.4K

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

As of Aug 19, 2026, the average yearly pay for senior software development engineer in test in Merrimack, NH is $128,555.00, according to ZipRecruiter salary data. Most workers in this role earn between $113,100.00 and $146,900.00 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 are the most commonly searched types of Software Development Engineer In Test jobs in Merrimack, NH?

The most popular types of Software Development Engineer In Test jobs in Merrimack, NH are:

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For Senior Software Development Engineer In Test jobs in Merrimack, NH, the most frequently searched job titles are:

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The top searched job categories for Senior Software Development Engineer In Test jobs in Merrimack, NH are:

What cities near Merrimack, NH are hiring for Senior Software Development Engineer In Test jobs?

Cities near Merrimack, NH with the most Senior Software Development Engineer In Test job openings:

Senior Software Test Engineer

Raytheon

Tewksbury, MA

$119K - $154K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted yesterday

New


Raytheon rating

9.1

Company rating: 9.1 out of 10

Based on 99 frontline employees who took The Breakroom Quiz

2nd of 540 rated manufacturers


Job description

Date Posted:

2026-08-17

Country:

United States of America

Location:

US-MA-TEWKSBURY-TB3 ~ 50 Apple Hill Dr ~ CONCORD BLDG, Tewksbury Tb3 300 Concord

Position Role Type:

Onsite

U.S. Citizen, U.S. Person, or Immigration Status Requirements:

Active and transferable U.S. government issued security clearance is required prior to start date.​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance​

Security Clearance Type:

DoD Clearance: Secret

Security Clearance Status:

Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date

At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world. 

Raytheon brings the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. We deliver solutions that help our nation and allies defend freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.

We are looking for a highly skilled and detail-oriented Senior Software Test Engineer to join our Patriot Software Team in Tewksbury, Massachusetts. Patriot is the world's pre-eminent air defense system, and we are currently developing software in support of new system capabilities. This position offers an exciting opportunity to work in a fast-paced, dynamic environment where your contributions will directly influence the global success of our products.

What You Will Do

  • Review Software Requirements: Analyze and verify software requirements for clarity, completeness, and testability.
  • Write Test Objectives: Define clear and concise test objectives that guide the testing process and ensure thorough coverage.
  • Design and Execute Test Cases: Create innovative test cases (manual and automated) and execute them rigorously in our on-site lab.
  • Data Analysis: Analyze test results, identify discrepancies, and provide clear documentation and recommendations for improvement.
  • Collaborate Across Teams: Partner with developers, system architects, and cross-functional teams to ensure seamless software integration and functionality.
  • Occasional Off-Hours Testing: Conduct testing during second or third shifts, as needed.

Qualifications You Must Have 

  • Typically requires a bachelor’s degree in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of 8 years of experience.
  • Experience in a testing environment, including creating effective test plans, providing meaningful status updates, and guiding technical teams.
  • Experience in software engineering, validation, verification, requirements analysis, and/or testing.
     


Qualifications We Prefer 

  • Active Secret security clearance.
  • Familiarity with Patriot software and Patriot-specific processes and tools.
  • Knowledge of software testing methodologies (functional, integration, regression, performance, etc.) and best practices.
  • Demonstrated expertise in creating detailed test plans and leading test efforts for complex projects.
  • Proficiency with bug tracking and test management tools.
  • Proficiency with DOORS (Dynamic Object-Oriented Requirements System) or similar requirements traceability tools.
  • Exceptional analytical and problem-solving skills to diagnose and address technical issues effectively.


What We Offer 

Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Safety, Trust, Respect, Accountability, Collaboration, and Innovation.
 

Relocation Eligible – Relocation assistance available
 


Learn More & Apply Now! 

Please ensure the role type defined below is appropriate for your needs before applying to this role. This position is classified as:

Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products.

This position requires a security clearance. DCSA Consolidated Adjudication Services (DCSA CAS), an agency of the Department of Defense, handles and adjudicates the security clearance process. More information about Security Clearances can be found on the US Department of State government website here: https://www.state.gov/m/ds/clearances/c10978.htm 

This position is in Tewksbury, Massachusetts. Living in Massachusetts means you’ll have easy access to the ocean and locations of historical significance. You can enjoy varied outdoor activities ranging from hiking and camping to cross-country skiing and snowmobiling. Massachusetts is recognized as one of the best states to call “home.”

As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.

The salary range for this role is 86,800 USD - 165,200 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills. Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement. Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance. This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply. RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.

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