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Jr Software Test Engineer Jobs in Frederick, MD (NOW HIRING)

Sierra Nevada Corporation

Test Engineer III

Hagerstown, MD · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

As a Test Engineer III, you will lead the development and execution of comprehensive test plans for ... Please note, this role does not require any knowledge or skills related to software or automation ...

Sierra Nevada Corporation

Test Engineer III

Hagerstown, MD · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

As a Test Engineer III, you will lead the development and execution of comprehensive test plans for ... Please note, this role does not require any knowledge or skills related to software or automation ...

Sierra Nevada Corporation

Test Engineer III

Hagerstown, MD · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

As a Test Engineer III, you will lead the development and execution of comprehensive test plans for ... Please note, this role does not require any knowledge or skills related to software or automation ...

Sierra Nevada Corporation

Sr Test Engineer

Hagerstown, MD · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

As a Senior Test Engineer, you will be responsible for leading the most complex and critical ... Please note, this role does not require any knowledge or skills related to software or automation ...

WGS SYSTEMS LLC

Flight Test Engineer

Hagerstown, MD · On-site

$90K - $140K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Perform real-time technical diagnosis and hardware/software troubleshooting of sensor systems and ... test engineering, airborne sensor operations, or systems integration and test. · Security ...

WGS SYSTEMS LLC

Flight Test Engineer

Hagerstown, MD

$90K - $140K/yr

Perform real-time technical diagnosis and hardware/software troubleshooting of sensor systems and ... test engineering, airborne sensor operations, or systems integration and test. · Security ...

WGS SYSTEMS LLC

Flight Test Engineer

Hagerstown, MD

$90K - $140K/yr

Perform real-time technical diagnosis and hardware/software troubleshooting of sensor systems and ... test engineering, airborne sensor operations, or systems integration and test. · Security ...

Compugain

Sr SDET

Rockville, MD · On-site

$112K - $146K/yr

Qualifications Experience Requirements * 5+ years of cumulative experience in software development and/or test automation development. * 5+ years of experience with programming in Java (preferred ...

Leidos

Mid-Level Test Engineer

Gaithersburg, MD

$87K - $157K/yr

Are you passionate about delivering high-quality software that directly supports our nation's security? Leidos is seeking an experienced Mid-Level Test Engineer to join the Chinook Program supporting ...

Leidos

Mid-Level Test Engineer

Gaithersburg, MD · On-site

$87K - $157K/yr

  • Medical

  • Retirement

  • PTO

Description Are you passionate about delivering high-quality software that directly supports our nation's security? Leidos is seeking an experienced Mid-Level Test Engineer to join the Chinook ...

Leidos

Mid-Level Test Engineer

Gaithersburg, MD · On-site

$87K - $157K/yr

Are you passionate about delivering high-quality software that directly supports our nation's security? Leidos is seeking an experienced Mid-Level Test Engineer to join the Chinook Program supporting ...

Compugain

Sr SDET

Rockville, MD

$112K - $146K/yr

Qualifications Experience Requirements * 5+ years of cumulative experience in software development and/or test automation development. * 5+ years of experience with programming in Java (preferred ...

COMFORT SYSTEMS

Mid-Level Test Engineer

Gaithersburg, MD · On-site

$87.10 - $157.45/hr

  • Medical

  • Retirement

  • PTO

Description Are you passionate about delivering high-quality software that directly supports our nation's security? Leidos is seeking an experienced Mid-Level Test Engineer to join the Chinook ...

Leidos

Senior Test Engineer

Gaithersburg, MD · On-site

$107K - $195K/yr

If you're energized by building exceptional software, leading testing efforts, and collaborating ... test cases for web-based and enterprise applications. * Partner with software developers, systems ...

USM

Locals or Nearby Only Urgent Need SDET

Rockville, MD

$51 - $65.75/hr

Software Development Engineer in Test (SDET Location : Rockville, MD, Duration: 6-12 Months Description : Summary: The main function of a Software Development Engineer in Test (SDET) is to develop ...

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Showing results 21-40

All JobsJr Software Test Engineer JobsJr Software Test Engineer Jobs in Frederick, MD

Jr Software Test Engineer information

See Frederick, MD salary details

$46.2K

$94K

$141.2K

How much do jr software test engineer jobs pay per year?

As of Aug 16, 2026, the average yearly pay for jr software test engineer in Frederick, MD is $94,001.00, according to ZipRecruiter salary data. Most workers in this role earn between $72,600.00 and $95,000.00 per year, depending on experience, location, and employer.

What is the difference between Jr Software Test Engineer vs Software Test Engineer?

AspectJr Software Test EngineerSoftware Test Engineer
Required CredentialsAssociate degree or relevant certification, basic testing knowledgeBachelor's degree in CS or related field, more experience
Work EnvironmentEntry-level testing teams, supervised tasksMore autonomous testing roles, complex projects
Employer & Industry UsageStartups, IT companies, software firmsEstablished companies, larger software development teams
Search & Comparison IntentEntry-level testing roles, career progressionMid-level testing positions, skill enhancement

The main difference between a Jr Software Test Engineer and a Software Test Engineer lies in experience, responsibilities, and independence. Jr Software Test Engineers are typically entry-level, focusing on basic testing tasks under supervision, while Software Test Engineers handle more complex testing activities with greater autonomy. Both roles are essential in software development, with the Jr role serving as a stepping stone to more advanced testing positions.

What are popular job titles related to Jr Software Test Engineer jobs in Frederick, MD?

For Jr Software Test Engineer jobs in Frederick, MD, the most frequently searched job titles are:

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The top searched job categories for Jr Software Test Engineer jobs in Frederick, MD are:

What cities near Frederick, MD are hiring for Jr Software Test Engineer jobs?

Cities near Frederick, MD with the most Jr Software Test Engineer job openings:

Jr Software Test Engineer jobs near you

Test Engineer III

Sierra Nevada Corporation

Hagerstown, MD • On-site

Other

Medical, Dental, Vision, Life, Retirement, PTO

This job post has expired today. Applications are no longer accepted.

Sierra Nevada Corporation rating

8.7

Company rating: 8.7 out of 10

Based on 29 frontline employees who took The Breakroom Quiz

18th of 72 rated aerospace companies

Job description

Do you have an eye for detail and enjoy working with amazing products and tools? Join us in championing and protecting explorers and heroes! As a Test Engineer III, you will lead the development and execution of comprehensive test plans for advanced aerospace and defense systems. This role requires in-depth expertise in testing methodologies and the ability to manage multiple test projects simultaneously, ensuring product compliance and performance.
Our testing approach evolves with the design maturity, extending from initial stages through to post-production follow-ups on subsequent articles.
The role involves extensive system testing, aimed at assessing a broad spectrum of mission equipment such as communication, computing, navigation, and surveillance systems, to ensure they meet design and functionality standards.
Please note, this role does not require any knowledge or skills related to software or automation testing.
The ISR (Intelligence, Surveillance & Reconnaissance), Aviation, and Security (IAS) business area is a leader in ISR and aviation, it is a leading prime manned and unmanned aircraft systems integrator for innovative, high-performance ISR and aviation systems. Its end-to-end Command, Control, Computers, Communications and Intelligence, Surveillance & Reconnaissance (C4ISR) capabilities encompass design, integration, test, certification, ground/flight training and complete logistics support. IAS tailors solutions to customer cost, performance, and schedule requirements and designs to consistently exceed expectations - with an unrivaled record of on time and on (or under) budget deliveries.
Responsibilities:
Planning & Documentation
  • Develop and maintain flight test plans, test procedures, and test reports in accordance with program and customer requirements.
  • Support program-level test planning, including strategies, schedules, risk identification, and resource coordination.

Hands-on Testing
  • Execute developmental, qualification, and flight test activities for aircraft mission systems and avionics.
  • Operate RF and electronic test equipment, including spectrum analyzers, network analyzers, multi-meters, data acquisition units, and various transducers and accelerometers.

Integration & Troubleshooting
  • Support aircraft integration, subsystem checkout, and test anomaly investigation and resolution.
  • Participate in Test Readiness Reviews (TRR), Safety Review Boards, and post-test data analysis.

Collaboration & Leadership
  • Interface with systems engineering, avionics, software, and program management to ensure test activities align with technical, cost, and schedule objectives.
  • Provide technical leadership and mentoring to junior test engineers.

Qualifications You Must Have:
  • Bachelor's degree in Electrical Engineering, Aerospace Engineering, Systems Engineering, or a related technical field.
  • 6+ years of experience in aerospace or defense test engineering.
  • Higher level relevant degree may substitute for experience.
  • Advanced understanding of test and evaluation principles and methodologies.
  • Proven knowledge of engineering principles and practices.
  • Experience working in multi-disciplinary design and development teams.
  • Experience with planning, conducting and documenting Verification and Validation (V&V) activities.
  • Ability to read schematics, use service manuals, follow test procedures, and use logical trouble shooting techniques.
  • FAA Class III Medical Certification required. Candidates without current certification must obtain it prior to hire.
  • Ability to complete Altitude Chamber training and qualification
  • Hands-on experience with RF and electronic test equipment (spectrum/network analyzers, multi-meters, data acquisition units, transducers, accelerometers).
  • Experience developing and executing ground and flight test plans and procedures.
  • Strong background in requirements management (derivation, traceability, verification, and selloff).
  • Excellent technical documentation and communication skills.
  • Familiarity with aircraft avionics systems, architectures, and integration.
  • Active United Stated Top Secret Security Clearance
  • Ability to obtain Sensitive Compartmented Information (SCI) eligibility.

Qualifications We Prefer
  • Experience supporting DoD programs, ISR platforms, and/or missionized aircraft
  • Familiarity with MIL-STD and aerospace standards (e.g., DO-160, MIL-STD-810, MIL-STD-461).
  • Experience supporting FAA and/or military (DoD) certification efforts.
  • Knowledge of requirements management tools (DOORS, Jama).
  • Prior experience in a lead test or integration IPT role.
  • Familiarity with Product and Quality Assurance principles and experience in generation and disposition of product non-conformances.
  • Experience with various testing equipment, standards, and methodologies, including manual and automated testing.

Essential Functions:
  • Ability to work on a computer for extended periods.
  • Ability to lift up to 25 lbs regularly.
  • Occasional travel may be required.
  • Ability to work in an office, lab, hangar, or offsite environment.

This posting will be open for application for a minimum of 5 days and may be extended based on business needs.
Estimated Starting Salary Range: $98,633.53 - $135,621.11. Compensation varies depending on a wide array of factors, such as candidates' key skills, relevant work experience, and education/training/certifications. The disclosed range estimate may be adjusted for any applicable geographic differential associated with the location at which the position may be filled.
SNC offers a generous benefit package, including medical, dental, and vision plans, 401(k) with 150% match up to 6%, life insurance, 3 weeks paid time off, tuition reimbursement, and more.
IMPORTANT NOTICE:
Learn more about the background check process for Security Clearances.
SNC is a global leader in aerospace and national security committed to moving the American Dream forward. We're known and respected for our mission and execution focus, agility, and disruptive and rapid innovation. We provide leading edge technologies and transformative solutions that support our nation's most critical security needs. If you are mission-focused, thrive in collaborative environments, and want to make our country stronger with state-of-the-art technologies that safeguard freedom, join our team!
SNC is an Equal Opportunity Employer committed to an environment free of discrimination. Employment decisions are made based on merit without regard to race, color, age, religion, sex, national origin, disability, status as a protected veteran or other characteristics protected by law.

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