Test Engineer

TechDigital Group; Bothell (WA); On-site; USD 70,000 - 100,000; Full time

Job summary

A technology company located in Bothell, Washington, is seeking an experienced candidate with a strong background in computer and software technology. The ideal applicant will conduct carrier certification tests, assist enterprise partners, and have proven skills in troubleshooting technical issues. Preferred qualifications include experience in the telecommunications industry and mobile technology solutions. Strong communication and project management skills are essential for this role.

Qualifications

• 5 years minimum in computer/software technology.
• 2 years minimum working with enterprise customers (in professional services, tech support, and/or product management).
• Experience with telecommunication industry and networking infrastructure is a plus.
• Experience with mobile technology solutions/applications is a plus.

Responsibilities

• Conduct tests to ensure device and service configurations adhere to guidelines.
• Perform in-depth testing of HTTP/HTTPS traffic.
• Test and verify SSL/TLS certificate implementations.
• Analyze and test JWT-based authentication mechanisms.
• Collect, review, and analyze network traces to diagnose issues.
• Track bugs for premium partners and facilitate the debugging process.
• Enable partners to run QA testing pre-launch.

Skills

Strong verbal and written English communication skills

Project/program management

Troubleshooting technical issues

Programming / scripting

Data analytics

Experience with IP messaging, SIP, RCS

Job description

Primary Responsibilities

• Carrier certification
  
  
  
  • Conduct tests to ensure device and service configurations adhere to GSMA TS.43 guidelines, particularly for secure service enablement.
  
  
  • HTTP/HTTPS Protocol Testing: Perform in-depth testing of HTTP/HTTPS traffic, including header validation, status code verification, API endpoint testing, and performance analysis.
  
  
  • SSL/TLS Certificate Validation: Test and verify SSL/TLS certificate implementations, including chain of trust, expiration, revocation status (OCSP/CRL), and cipher suite compatibility.
  
  
  • JWT Security Analysis: Analyze and test JWT-based authentication and authorization mechanisms, including token generation, validation, signature verification, expiry, and common vulnerabilities (e.g., insecure algorithms, information disclosure).
  
  
  • Log Analysis & Troubleshooting: Collect, review, and analyze network traces (e.g., Wireshark), server logs, and application logs to diagnose issues and identify root causes.
  
  
  
  


• Generic partner support
  
  
  
  • Issue Handling: Track the bugs with priority for premium partners, triage them, minimize duplicates and secure all the information necessary for Eng to address them. Communicate across functions and teams to facilitate the debugging process and meet the service level objectives. Host regular meetings with partner QA teams to share the status update as needed.
  
  
  • Pre-launch QA by partners: Enable partners to run QA testing pre-launch with instructions from internal stakeholders such as Product and Eng. Provide live or online support during the test. Verify issues locally on test devices to align with the partner QA team on the findings.
  
  
  
  

Work Experience

• 5 years minimum in computer/software technology


• 2 years minimum working with enterprise customers (in professional services, tech support, and/or product management)


• Experience with telecommunication industry and networking infrastructure is a plus


• Experience with mobile technology solutions/applications is a plus

Skills

• Strong verbal and written English communication skills


• Project/program management


• Experience with troubleshooting technical issues, including capturing and analyzing logs


• Programming / scripting


• Experience with data analytics


• Experience with IP messaging, SIP, RCS a plus