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Junior Software Engineer In Test information

What is a junior software engineer in test?

Junior Software Engineers In Test are entry-level professionals who focus on ensuring the quality and reliability of software applications. They write and execute test cases, identify bugs, and collaborate with developers to resolve issues. Their responsibilities often include developing automated tests, maintaining testing frameworks, and reporting on test results. This role provides a foundation in both software development and quality assurance practices, making it an excellent starting point for a career in software engineering or testing.

What are the key skills and qualifications needed to thrive as a junior software engineer in test?

To thrive as a Junior Software Engineer In Test, you need a solid understanding of programming fundamentals, basic knowledge of software testing methodologies, and often a degree in computer science or a related field. Familiarity with test automation tools (such as Selenium or JUnit), version control systems (like Git), and continuous integration platforms is typically required. Strong analytical thinking, attention to detail, and effective communication skills help you collaborate with development teams and ensure high-quality software. These skills are crucial for identifying issues early, maintaining efficient testing processes, and contributing to reliable product releases.

What are some common challenges faced by junior software engineers in test when transitioning from manual to automated testing?

Junior Software Engineers In Test often encounter challenges such as learning new automation frameworks, understanding programming concepts, and adapting to complex test environments. It can also be difficult to write effective automated test scripts that are maintainable and scalable. Collaborating with developers and senior QA engineers is key to overcoming these hurdles, as mentorship and code reviews help build confidence and technical skills. Continuous learning and hands-on practice with automation tools like Selenium or Cypress are essential for a smooth transition.

What is the difference between Junior Software Engineer In Test vs Junior QA Engineer?

AspectJunior Software Engineer In TestJunior QA Engineer
Required CredentialsBachelor's in CS or related field, programming skillsBachelor's in CS, IT, or related field, testing knowledge
Work EnvironmentDevelopment teams, coding, automationTesting teams, manual and automated testing
Employer & Industry UsageTech companies, software firms, startupsSoftware companies, QA departments, IT firms
Common Search & ComparisonYesYes

Junior Software Engineer In Test roles focus on developing automated tests and coding, often working closely with developers. Junior QA Engineers primarily perform manual testing and basic automation, focusing on quality assurance. Both roles require similar educational backgrounds but differ in daily tasks and technical depth.

What are popular job titles related to Junior Software Engineer In Test jobs in Puerto Rico?

For Junior Software Engineer In Test jobs in Puerto Rico, the most frequently searched job titles are:

What job categories do people searching Junior Software Engineer In Test jobs in Puerto Rico look for?

The top searched job categories for Junior Software Engineer In Test jobs in Puerto Rico are:

What cities in Puerto Rico are hiring for Junior Software Engineer In Test jobs?

Cities in Puerto Rico with the most Junior Software Engineer In Test job openings:

Junior Software Engineer In Test jobs near you
Infographic showing various Junior Software Engineer In Test job openings in Puerto Rico as of June 2026, with employment types broken down into 83% Full Time, 7% Part Time, 5% Contract, and 5% Nights. Highlights an 94% Physical, 1% Hybrid, and 5% Remote job distribution.

Test Sustainment Engineer (Onsite - Puerto Rico)

Raytheon Technologies

Santa Isabel, PR • On-site

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 5 days ago

RTX rating

8.2

Company rating: 8.2 out of 10

Based on 86 frontline employees who took The Breakroom Quiz

38th of 72 rated aerospace companies

Job description

Date Posted:
2026-09-02
Country:
United States of America
Location:
US-PR-SANTA ISABEL-B4 ~ Felicia Industrial Park - St B4 ~ BLDG 4
Position Role Type:
Onsite
U.S. Citizen, U.S. Person, or Immigration Status Requirements:
U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract.
Security Clearance:
None/Not Required
Collins Aerospace is seeking a Test Sustainment Engineer to support production test systems, equipment, and instrumentation used across our manufacturing operations. This is an entry-level, individual contributor position ideal for recent engineering graduates and early-career professionals looking to build a career in test engineering, manufacturing, automation, and equipment sustainment. As a Test Sustainment Engineer, you will work under the direction of the Test Sustainment Manager and alongside experienced engineers and cross-functional teams to troubleshoot production test systems, support manufacturing issues, maintain equipment reliability, and implement continuous improvements.
In this role, you will gain hands-on experience with production test systems, test software, instrumentation, troubleshooting, data analysis, and equipment sustainment. You will have the opportunity to develop your technical skills while progressively taking on greater ownership of factory test systems and sustainment activities. This position provides a strong foundation for building a long-term career in aerospace engineering and manufacturing.
This onsite position is based at our Santa Isabel, Puerto Rico location. You must be residing in Puerto Rico at the time of starting employment. Relocation is not offered.
What You Will Do:
  • Support troubleshooting and recovery of production test systems, equipment, and instrumentation under the direction of the Test Sustainment Manager and experienced engineers.
  • Assist with identifying root causes and implementing corrective actions for production-impacting test issues.
  • Maintain test system documentation, configurations, backups, work instructions, and engineering records.
  • Collect and analyze test-system data to identify recurring failures, downtime, and opportunities for improvement.
  • Support test equipment upgrades, software changes, hardware replacements, and equipment obsolescence activities.
  • Participate in continuous improvement initiatives focused on test-system reliability, equipment performance, and factory capability.
  • Collaborate with Operations, Engineering, Quality, IT/OT, and other technical teams to resolve production test issues.
  • Support the development and implementation of corrective and preventive actions for recurring test-system problems.
  • Assist with test equipment lifecycle activities, including configuration control, reliability improvements, upgrades, and sustainment.
  • Provide onsite and remote technical support to other manufacturing locations as required.
  • Travel up to 25% to other manufacturing locations in Arizona, Connecticut, and Illinois to provide onsite technical support and assist with test system sustainment activities.

Qualifications You Must Have:
  • Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and less than 2 years of prior experience.
  • Prior internship, co-op, academic, or professional experience involving electronics, test engineering, manufacturing, automation, troubleshooting, or a related technical field.
  • Demonstrated professional or educational experience communicating in English and Spanish (verbal and written).
  • U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract.

Qualifications We Prefer:
  • Familiarity with electronic test equipment such as digital multimeters, oscilloscopes, power supplies, data acquisition systems, or other instrumentation.
  • Exposure to Keysight VEE, LabVIEW, TestStand, PLCs, programming, or automated test equipment.
  • Basic understanding of electrical schematics, engineering drawings, troubleshooting techniques, or electronic systems.
  • Experience through an internship, co-op, academic project, laboratory, manufacturing, aerospace, defense, or other technical environment.
  • Interest in continuous improvement, equipment reliability, automation, and developing technical troubleshooting and problem-solving skills.

What We Offer:
Some of our competitive benefits package includes:
  • Medical, dental, and vision insurance
  • Three weeks of vacation for newly hired employees
  • Generous 401(k) plan that includes employer matching funds
  • Participation in the Employee Scholar Program (ESP)
  • Life insurance and disability coverage
  • Employee Assistance Plan, including up to 8 free counseling sessions
  • And more!

Learn More & Apply Now!
Operations, Supply Chain and EH&S:
The next chapter of our future as an aerospace company is here, and we are excited about what this means for our employees and customers! Get onboard the Collins Aerospace Operations team and play a part in managing our innovative products from inception to delivery. The Operations team continues to grow and aims to strengthen the connection of Manufacturing Operations, Supply Chain and Environment, Health & Safety (EH&S) across Collins Aerospace. In this dynamic environment, you will have the opportunity to network across our businesses and functions, all while improving the productivity, quality and efficiency of our operations worldwide.
Collins Aerospace, a RTX company, is a leader in technologically advanced and intelligent solutions for the global aerospace and defense industry. Collins Aerospace has the capabilities, comprehensive portfolio and expertise to solve customers' toughest challenges and to meet the demands of a rapidly evolving global market.
WE ARE REDEFINING AEROSPACE.
*Please ensure the role type (defined below) is appropriate for your needs before applying to this role.
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.
At Collins, the paths we pave together lead to limitless possibility. And the bonds we form - with our customers and with each other -- propel us all higher, again and again.
Apply now and be part of the team that's redefining aerospace, every day!
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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Industry

Guided missile and space vehicle manufacturing, it services, aerospace product and parts manufacturing and engineering professional services

Company size

10,000+ Employees

Headquarters location

Waltham, MA, US

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