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Software Test Engineer Iii Jobs (NOW HIRING)

Software Test Engineer

Huntsville, AL · On-site

  • Dental

  • Vision

  • Retirement

  • PTO

Software Test Engineer OASYS, INC., a Leading-Edge Government contractor, is seeking applicants for a Software Test Engineer to support our customer in Huntsville, AL. Summary: OASYS, INC. is seeking ...

Software Test Engineer

Huntsville, AL · On-site

  • Dental

  • Vision

  • Retirement

  • PTO

Software Test Engineer OASYS, INC., a Leading-Edge Government contractor, is seeking applicants for a Software Test Engineer to support our customer in Huntsville, AL. Summary: OASYS, INC. is seeking ...

Leidos is seeking a talented Software Test Engineer to work in our Huntsville office. This is an ... 3.0 or higher. * Candidate should have 2+ years of relevant technical experience with BS degree.

Telecommuting permitted 2-3 days per week. Salary: $86,625 - $ 132,825/year Minimum Requirements ... software test engineer or related occupation. Must have 2 years of experience with each of the ...

Telecommuting permitted 2-3 days per week. Salary: $86,625 - $ 132,825/year Minimum Requirements ... software test engineer or related occupation. Must have 2 years of experience with each of the ...

Ability to complete tasks on time and in compliance with AS9100 and CMMI Maturity Level 3 processes ... similar test management software * Experience with Microsoft Azure DevOps or similar project ...

Software Test Engineer Experience 2-5 Years Employment Type Full-Time Job Summary We are looking for a detail-oriented Software Test Engineer to design, develop, and execute test plans to ensure the ...

New

Software Test Engineer

Huntsville, AL · On-site

  • Dental

  • Vision

  • Retirement

  • PTO

Software Test EngineerOASYS, INC., a Leading-Edge Government contractor, is seeking applicants for a Software Test Engineer to support our customer in Huntsville, AL.Summary: OASYS, INC. is seeking a ...

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Software Test Engineer III information

See salary details

$10

$51

$73

How much do software test engineer iii jobs pay per hour?

As of Aug 19, 2026, the average hourly pay for software test engineer iii in the United States is $51.45, according to ZipRecruiter salary data. Most workers in this role earn between $42.07 and $58.65 per hour, depending on experience, location, and employer.

What does a software test engineer III do?

A Software Test Engineer III is a senior-level professional responsible for designing, developing, and executing complex test plans and strategies to ensure software quality. They lead testing efforts, mentor junior testers, and often collaborate closely with developers and product managers to identify and resolve issues. In addition to manual testing, they frequently create automated test scripts and analyze test results to drive product improvements. Their role is crucial in delivering reliable and high-quality software products.

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

To thrive as a Software Test Engineer III, you need advanced knowledge of software testing methodologies, programming or scripting languages, and typically a degree in computer science or a related field. Proficiency in test automation tools (such as Selenium, JUnit, or TestNG), bug tracking systems, and version control (like Git) is usually required, along with relevant certifications like ISTQB. Strong analytical thinking, attention to detail, effective communication, and collaboration skills help you excel in identifying issues and working with cross-functional teams. These abilities ensure robust software quality, efficient testing processes, and successful product releases.

What are some common challenges faced by software test engineer III professionals, and how can they be addressed?

Software Test Engineer III roles often involve balancing the demands of complex test planning with tight project deadlines. One common challenge is ensuring thorough test coverage for large, evolving codebases while managing shifting requirements. Effective collaboration with developers and product managers, as well as leveraging automation tools, can help streamline testing processes. Additionally, staying updated with the latest testing methodologies and continuously improving test suites are key to maintaining high software quality and efficiency.
More about Software Test Engineer III jobs
Infographic showing various Software Test Engineer Iii job openings in the United States as of August 2026, with employment types broken down into 1% As Needed, 87% Full Time, 8% Part Time, and 4% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution, with an average salary of $107,014 per year, or $51.4 per hour.

Aerospace Software Test Engineer III

Firefly Aerospace

Cedar Park, TX

Full-time

Medical, Dental, Vision, PTO

Posted 12 days ago


Firefly Aerospace rating

6.9

Company rating: 6.9 out of 10

Based on 11 frontline employees who took The Breakroom Quiz

66th of 72 rated aerospace companies


Job description

ABOUT

Firefly Aerospace is a space and defense technology company on a mission to reliably and repeatedly launch, land, and operate space systems from Earth to the Moon and beyond. As the partner of choice for critical space missions, Firefly is the first commercial company to launch a satellite to orbit with 24-hour notice and the first company to achieve a successful Moon landing. Headquartered in north Austin, Texas, Firefly is looking for passionate, hardworking innovators to join our team and help fuel our successful trajectory into space.

SUMMARY

Your role as a Senior Software Engineer on the test team will be critical to the success of Firefly Aerospace Software for use on launch vehicles, spacecraft, and launch facilities. You will lead the development and implementation of comprehensive testing strategies in all-digital and hardware-in-the-loop simulation environments for our Flight and Ground software. This will include leading software verification efforts where you will act as a senior technical reviewer and mentor for software changes.

You will be part of the Aerospace Software Engineering Group and will work closely with Flight Software, Ground Software, Guidance Navigation and Control Software personnel to provide thorough tests for our software before use on a launch vehicle, spacecraft, or launch site. You will also mentor junior engineers and contribute to the strategic direction of the testing organization.

RESPONSIBILITIES

  • Lead the design and architecture of complex test procedures for testing our software in all-digital and hardware-in-the-loop simulation environments
  • Architect and develop robust software frameworks for automating test case execution and report generation
  • Lead and mentor team members in establishing automated testing pipelines for daily commits of new Ground and Flight Software and serve as a senior technical reviewer for Merge/Pull Requests
  • Design and implement comprehensive unit test strategies
  • Interpret and ensure compliance with customer test requirements, whether internal or external, and provide technical guidance on requirement implementation
  • Develop and document requirements, designs, plans, and schedules with consideration for long-term maintainability and scalability
  • Provide accurate test development milestones and communicate them to stakeholders, identifying risks and proposing mitigation strategies
  • Champion Firefly Aerospace Software Engineering development processes and best practices, driving continuous improvement initiatives

QUALIFICATIONS

Required

  • Bachelors degree in Computer Science, Engineering, or a related technical field, or equivalent practical experience, with a strong portfolio demonstrating relevant projects and accomplishments
  • 5 to 8+ years of experience with formal software testing
  • Demonstrated leadership in software testing initiatives with proven track record of successful project delivery
  • Strong C/C++ and Python expertise with ability to mentor others
  • Extensive development experience under the Linux operating system
  • Deep knowledge of the Agile Software Development Model with experience leading agile practices
  • Proficiency with Git version control on commercial software products, including advanced workflows and branching strategies
  • Experience with test automation frameworks and CI/CD pipelines
  • Proven ability to work independently and lead technical initiatives

Preferred

  • Expert-level C/C++ and Python development skills
  • Experience architecting and implementing test frameworks and automation solutions
  • Experience using the NASA Trick Simulation Environment
  • Contributions to open-source projects or technical publications

Firefly offers outstanding benefits for our employees, including generous health, dental and vision plans with low plan deductibles, parental leave, educational reimbursement, short term disability, and flexible PTO options.
To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State.
Firefly Aerospace, Inc. is an Equal Opportunity Employer; employment with Firefly is governed based on merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status


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