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Test Engineer Jobs in Frederick, MD (NOW HIRING)

X Energy LLC

Test Engineer, Design and Execution

Rockville, MD · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

The role will coordinate with system design engineers to identify required testing, plan the necessary test program(s), support the entire test hardware lifecycle including design, development ...

X Energy LLC

Test Engineer, Design and Execution

Rockville, MD · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

The role will coordinate with system design engineers to identify required testing, plan the necessary test program(s), support the entire test hardware lifecycle including design, development ...

Wabtec

Manufacturing Test Engineer III

Germantown, MD · On-site

$79K - $113K/yr

  • Medical

  • Retirement

As a Manufacturing Test Engineer, you will work with a cross-functional Engineering team to develop and maintain tools, fixtures, and scripts to automate testing of various Industrial Electronics ...

Wabtec

Manufacturing Test Engineer III

Germantown, MD · On-site

  • Medical

  • Retirement

As a Manufacturing Test Engineer, you will work with a cross-functional Engineering team to develop and maintain tools, fixtures, and scripts to automate testing of various Industrial Electronics ...

Wabtec

Manufacturing Test Engineer III

Germantown, MD · On-site

$79K - $113K/yr

  • Medical

  • Retirement

As a Manufacturing Test Engineer, you will work with a cross-functional Engineering team to develop and maintain tools, fixtures, and scripts to automate testing of various Industrial Electronics ...

X Energy LLC

Test Engineer II/III, Mechanical

Rockville, MD · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

The role will coordinate with system engineers to identify required testing, plan the necessary test program(s), oversee the entire test hardware lifecycle including development, procurement ...

X Energy LLC

Test Engineer II/III, Mechanical

Rockville, MD · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

The role will coordinate with system engineers to identify required testing, plan the necessary test program(s), oversee the entire test hardware lifecycle including development, procurement ...

Forterra

Senior System Test Engineer

Clarksburg, MD · On-site

$110K - $140K/yr

  • Medical

  • Life

  • Retirement

  • PTO

As a System Test Engineer you will play a critical role in ensuring the functional safety, reliability, and performance of autonomous vehicle subsystems. Your primary focus will be on designing ...

Meso Scale Discovery

Senior Software Test Engineer

Rockville, MD · On-site +1

$88K - $134K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

POSITION SUMMARY The Senior Software Test Engineer is responsible for the testing of major components of present and future MSD software products. While the current position is mostly remote ...

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All JobsTest Engineer JobsTest Engineer Jobs in Frederick, MD

Test Engineer information

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How much do test engineer jobs pay per hour?

As of Aug 16, 2026, the average hourly pay for test engineer in Frederick, MD is $43.99, according to ZipRecruiter salary data. Most workers in this role earn between $33.22 and $52.12 per hour, depending on experience, location, and employer.

What is a test engineer?

Test Engineers are professionals responsible for evaluating and ensuring the quality of products, typically software or hardware, by designing and executing tests. They identify bugs, glitches, or any issues that might affect the user experience or product performance. Test Engineers also document test results, collaborate with developers to resolve issues, and help improve processes to prevent future problems. Their work is critical in delivering reliable and high-quality products to customers.

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

To thrive as a Test Engineer, you need a solid background in software development, quality assurance principles, and test case design, often supported by a degree in computer science or a related field. Familiarity with automated testing tools like Selenium, JUnit, or TestNG, as well as experience with bug tracking systems and scripting languages, is typically required. Attention to detail, problem-solving ability, and effective communication are crucial soft skills for identifying issues and collaborating with development teams. These skills ensure the delivery of reliable, high-quality products by efficiently detecting and resolving software defects.

How do test engineers typically collaborate with development and product teams during a project?

Test Engineers play a crucial role in cross-functional teams by working closely with developers and product managers throughout the software development lifecycle. They participate in requirement reviews, design discussions, and sprint planning meetings to ensure testability and clarity of features. Regular communication helps identify potential issues early, align on acceptance criteria, and prioritize testing efforts. This collaborative approach helps deliver higher-quality products and fosters a culture of continuous improvement.

What is the difference between Test Engineer vs QA Analyst?

AspectTest EngineerQA Analyst
Required CredentialsBachelor's in Engineering, Computer Science, or related field; certifications like ISTQBBachelor's in related fields; ISTQB certification common
Work EnvironmentSoftware development teams, testing labs, automation toolsQuality assurance teams, process documentation, testing environments
Employer & Industry UsageTech companies, software firms, manufacturingIT services, software development, healthcare

Test Engineers focus on designing, executing, and automating tests to ensure software quality, often working closely with developers. QA Analysts primarily analyze quality processes, develop testing plans, and ensure compliance with standards. While both roles aim to improve product quality, Test Engineers are more technical and automation-oriented, whereas QA Analysts emphasize process and manual testing. Understanding these differences helps in choosing the right career path or job role.

How much does a test engineer get paid?

The average salary for a test engineer varies by experience, location, and industry, but typically ranges from $60,000 to $100,000 annually. Entry-level positions may start lower, while experienced test engineers with specialized skills or certifications can earn higher salaries, especially in technology and manufacturing sectors.

Is it hard to be a test engineer?

Becoming a test engineer requires strong attention to detail, knowledge of testing tools and methodologies, and often some programming skills. The role can be challenging due to the need to identify issues accurately and ensure software quality, but it is manageable with proper training and experience.
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Test Engineer jobs near you
Infographic showing various Test Engineer job openings in Frederick, MD as of August 2026, with employment types broken down into 1% As Needed, 79% Full Time, 17% Part Time, 2% Contract, and 1% Nights. Highlights an 93% Physical, 1% Hybrid, and 6% Remote job distribution, with an average salary of $91,500 per year, or $44 per hour.

Principal Antenna Test / Sr Principal Antenna Test Engineer

Northrop Grumman Corporation

Sykesville, MD • On-site

$135K - $203K/yr

Full-time

Medical, Life, PTO

Re-posted 26 days ago

Northrop Grumman rating

8.2

Company rating: 8.2 out of 10

Based on 363 frontline employees who took The Breakroom Quiz

88th of 540 rated manufacturers

Job description

RELOCATION ASSISTANCE: Relocation assistance may be available
CLEARANCE REQUIRED FOR START: Yes
CLEARANCE TYPE: SAP
TRAVEL: Yes, 10% of the TimeDescription
At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work - and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history.
Northrop Grumman's Mission Systems Sector Test Engineering organization is seeking Principal / Sr Principal Antenna Test Engineer to be an instrumental part of Northrop Grumman's Test Engineering Team. This position will be in Sykesville, MD.
What You'll Get to Do:
  • Antenna test equipment design in support of factory phased array testing
  • Integrate new equipment and programs in a state-of-the-art facility
  • Test software and test equipment design related to phased array testing
  • Software development for automating test processes and data analysis
  • Troubleshoot RF issues during test of advanced antenna systems
  • Support technicians with troubleshooting and training
  • Analyze test data and identify early trends
  • Support program meetings in developing root cause and corrective actions
  • Collaborate with design engineering for hardware and test improvements
  • Maintain sensitivity to cost, schedule and quality as well as Northrop Grumman policies and procedures

This position will be filled at either the Principal Antenna Test Engineer or the Sr Principal Antenna Test Engineer.
Basic Qualifications for the Principal Antenna Test Engineer:
  • Bachelor of Science degree in Electrical Engineering or related STEM discipline 5+ or more years of relevant experience; or a Master of Science degree in Electrical Engineering or related STEM discipline 3+ or more years of relevant experience.
  • Experience with electrical and/or RF test equipment, such as oscilloscopes, power meter, spectrum analyzer, signal generator, etc.
  • Professional software development experience using languages such as C#, Visual Basic, MATLAB, Mate, etc.
  • Current, active Department of Defense (DoD) Secret Clearance with the ability to obtain/maintain a Special Access Program (SAP) clearance.
  • U.S. citizenship

Basic Qualifications for the Sr Principal Antenna Test Engineer:
  • Bachelor of Science degree in Electrical Engineering or related STEM discipline 8+ or more years of relevant experience; or a Master of Science degree in Electrical Engineering or related STEM discipline 6+ or more years of relevant experience.
  • Experience with electrical and/or RF test equipment, such as oscilloscopes, power meter, spectrum analyzer, signal generator, etc.
  • Professional software development experience using languages such as C#, Visual Basic, MATLAB, Mate, etc.
  • Current, active Department of Defense (DoD) Secret Clearance with the ability to obtain/maintain a Special Access Program (SAP) clearance.
  • U.S. citizenship

Preferred Qualifications:
  • Software development experience with RF and antenna systems
  • Test development experience in a nearfield and/ or compact antenna range
  • RF test experience and/or antenna test/range experience
  • Familiarity with RF and antenna theory

Primary Level Salary Range: $108,800.00 - $163,200.00
Secondary Level Salary Range: $135,800.00 - $203,600.00
The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate's experience, education, skills and current market conditions.
Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. Annual bonuses are designed to reward individual contributions as well as allow employees to share in company results. Employees in Vice President or Director positions may be eligible for Long Term Incentives. In addition, Northrop Grumman provides a variety of benefits including health insurance coverage, life and disability insurance, savings plan, Company paid holidays and paid time off (PTO) for vacation and/or personal business.
The application period for the job is estimated to be 20 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates.
Northrop Grumman is an Equal Opportunity Employer, making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class. For our complete EEO and pay transparency statement, please visit http://www.northropgrumman.com/EEO. U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.

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About Northrop Grumman

Sourced by ZipRecruiter

At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work - and we have an insatiable drive to do what others think is impossible.

Industry

Space research administration

Company size

10,000+ Employees

Headquarters location

Falls Church, VA, US

Year founded

1939

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