Test Engineer - Digital & RF

Job#: 3019186

Job Description:

We are seeking multiple Test Engineers who are skilled with one of the following: RF Testing, Digital Testing, PCB/Hardware Testing - not required to have all - flexible with requirements. Please apply to learn more!

Two Positions Open: Digital Test Engineer and RF Test Engineer

Location: Redmond, WA

Benefits: Medical Insurance, PTO, Holiday Pay, Sick Leave, 401K

Role Overview

The Test Engineer will play a critical role in the qualification, validation, and ongoing performance verification of Amazon Leo hardware systems. This role is responsible for maintaining and deploying specialized test equipment, executing environmental and RF test campaigns, generating high-quality test documentation, and collaborating closely with cross-functional engineering teams. The ideal candidate is hands-on, detail-oriented, and experienced working with both digital communication systems and RF hardware-particularly in space or high-reliability environments.

Key Responsibilities (don't need experience with all of the below)

Test Campaign Execution

• Execute environmental and qualification test campaigns as defined by the Amazon Leo test leadership team, including:
  • Shock
  • Vibration (Vibe)
  • Thermal Cycling
  • Thermal Vacuum (TVAC)
• Run RF and digital communications performance tests using standard RF lab equipment and procedures.
• Provide regular status updates to the Test Execution Lead and notify stakeholders of any schedule impacts or blockers.

Tester & Rack Management

• Maintain, calibrate, and deploy hardware testers and test racks to support ongoing development and qualification programs.
• Ensure all test equipment is in calibration and fit for use; initiate corrective actions when nonconformances arise.
• Support commissioning and verification of test racks and fixtures.

Hardware Handling & Debug Support

• Handle RF components such as couplers, waveguides, adapters, and high-frequency connectors in compliance with best practices.
• Work with responsible engineers to troubleshoot unit failures and assist with root-cause isolation.

RF Measurement & Test Expertise

• Utilize common RF test equipment including spectrum analyzers, signal generators, power meters, network analyzers, and associated instrumentation.
• Perform RF measurements relevant to digital communications systems, ensuring accuracy, repeatability, and data integrity.
• Verify that RF paths, attenuation networks, and calibration standards in the rack are properly configured.

Documentation & Reporting

• Produce comprehensive test reports detailing methodologies, conditions, performance results, and observed behaviors.
• Deliver test data packages to internal teams in a clear, structured, and timely manner.
• Document any anomalies, hardware issues, or test discrepancies and drive mitigation actions in collaboration with engineering partners.

Basic Qualifications

• Bachelor's degree in Electrical Engineering, Physics, or related technical field-or equivalent industry experience.
• Hands-on experience with RF test equipment and digital signal test infrastructures.
• Understanding of calibration concepts, measurement uncertainty, and RF signal integrity.

Preferred Qualifications

• Knowledge of digital communications systems, modulation schemes, and link-level RF measurements.
• Familiarity with automated test systems, data collection tools, and scripting for test automation.
• Strong troubleshooting and problem-solving skills in both hardware and test setups.
• Ability to communicate complex technical issues clearly to cross-functional teams.
• Experience executing environmental tests (shock, vibe, thermal, TVAC) or working in an environmental test facility.

Success Criteria

• Maintains high uptime and calibration compliance of all test equipment.
• Executes test campaigns accurately and efficiently, with high-quality data output.
• Identifies issues early, collaborates effectively with engineering teams, and provides clear and actionable feedback.
• Produces thorough, accurate test reports reflecting test conditions and unit performance.

Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico. Apex uses a virtual recruiter as part of the application process. Click for more details.

Apex Benefits Overview: Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our 'Welcome Packet' as well, which an Apex team member can provide.