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# Software Test Engineer

- **Company:** Actalent
- **Location:** Phoenix, AZ, United States (Remote available)
- **Salary:** $104,000.0 - $135,200.0
- **Contract:** Temporary contract
- **Skills:** Testing (Software), Automation of Tests, Code Coverage, Communications Protocols, Computer Engineering, Embedded Software, Ethernet, Hardware Design, Software Requirements Analysis, Software Systems, Verification and Validation (Software), Systems Integration, Data Processing, Software Verification, Information Technology, DO-178B
- **Published:** October 22, 2026
- **Apply:** https://www.careercircle.com/jobs/all/all/usa/az/phoenix/c1fcb41a-a3f5-401f-8253-e13260a6dbe8

## About the Role

Innovation
Test Design
Oscilloscope
Communication
Investigation
Collaboration
Airworthiness
System Safety
Test Automation
ARINC Standards
Computer Science
Software Systems
Software Testing
Embedded Software
Laboratory Testing
Systems Integration
Aerospace Protocols
Computer Engineering
Aerospace Engineering
Electrical Engineering
Communications Protocols
Electronic Test Equipment
Engineering Design Process
Verification And Validation
Continuous Improvement Process
Troubleshooting (Problem Solving)
Military Standards And Specifications
DO-178B/C (Software Considerations in Airborne Systems and Equipment Certification)

At least 1 year, * Bachelor's degree in Computer Engineering, Electrical Engineering, Computer Science, Aerospace Engineering, or a related field.

 * Minimum 1 year of experience in software testing, integration, verification, or validation.
 * At least 1 year of experience performing hardware/software integration testing.
 * At least 1 year of experience with I/O verification and troubleshooting.
 * At least 1 year of experience supporting embedded software or avionics systems.
 * Experience executing formal test procedures and accurately documenting test results.
 * Ability to work effectively in laboratory and integration environments.
 * Experience with software testing, verification, validation, or integration activities on embedded, avionics, aerospace, or defense systems.
 * Experience with I/O (Input/Output) verification for complex systems.

Additional Skills & Qualifications

 * Experience in the aerospace, avionics, or defense industry.
 * Experience supporting military aircraft programs.
 * Experience with DO-178B or DO-178C software verification activities.
 * Familiarity with avionics communication protocols such as ARINC 429, MIL-STD-1553, Ethernet, and serial interfaces.
 * Experience with automated testing tools for embedded or avionics systems.
 * Experience using oscilloscopes, protocol analyzers, and other laboratory test equipment.
 * Active security clearance.
 * Strong communication and collaboration skills for working with multidisciplinary engineering teams.
 * Attention to detail and a structured approach to testing and documentation., Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors.

## Description

This role focuses on verifying and validating safetycritical embedded software for aircraft and avionics subsystems. You will develop and execute formal test procedures, perform I/O verification, and support software and hardware integration activities in a laboratory environment. The position plays a key role in ensuring software functionality meets stringent aviation, space, and defense industry requirements and supports certification and airworthiness compliance efforts.
Responsibilities

 * Execute software verification and validation testing activities for embedded and avionics systems.
 * Perform I/O (Input/Output) verification for aircraft and avionics subsystems to ensure correct data handling and system behavior.
 * Develop, maintain, and execute formal test procedures based on system and software requirements.
 * Verify software functionality against defined requirements and identify any deviations or nonconformances.
 * Support software and hardware integration efforts by participating in lab integration sessions and resolving interface issues.
 * Identify, document, and troubleshoot test anomalies, including root cause investigation and retest as needed.
 * Collaborate closely with software, systems, and hardware engineering teams to clarify requirements, resolve defects, and improve test coverage.
 * Document detailed test results, including logs, reports, and evidence, to support program certification and compliance activities.
 * Contribute to continuous improvement of test processes, tools, and methodologies within the verification and validation team.