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Experis • Plano, Texas, United States
Salary: USD 62–68 per hour
Role & seniority: Performance Test Engineer (Senior level, 8–10+ years in performance testing)
Stack/tools: Dynatrace, LoadRunner, Splunk; SIP, RTP, DTMF, PSTN, TDM, VoIP; PBX, SBCs, call servers, IVR; CI/CD tools; load generators; databases
Location & work type: Plano, TX; contract/consultant role (hourly rate: $62–$68)
Design and develop performance tests for voice/telephony systems (IVR, SIP, RTP, VoIP)
Coordinate with project teams to ensure test coverage and optimize test plans; monitor environment requirements
Analyze performance metrics (call success rate, MOS, audio quality) and provide actionable reports; integrate testing with CI/CD and infrastructure
8–10+ years in performance testing, with emphasis on voice/telephony
Proficiency with Dynatrace, LoadRunner, Splunk
Experience with SIP/RTP/VoIP, DTMF, PSTN, TDM; understanding of PBX, SBCs, carriers, IVR infrastructure; troubleshooting SIP signaling, call drops, codec issues
Experience optimizing media paths, SIP trunks, voice gateways; familiarity with QoS and audio quality metrics; collaboration with offshore teams
Note: Role focuses on cutting-edge voice systems; traditional benefits and travel insurance listed in the employment details.
Our client, a leading organization in the telecommunications and voice systems industry, is seeking a Performance Test Engineer to join their team. As a Performance Test Engineer, you will be part of the Quality Assurance and Performance Testing Department supporting the Performance Testing team. The ideal candidate will demonstrate strong analytical skills, excellent communication, and a proactive approach to problem-solving, which will align successfully in the organization.
Job Title: Performance Test Engineer
Location: Plano, TX
Pay Range: $62.00/hr - $68.00/hr
What's the Job?
Design and develop performance testing scripts for complex voice and telephony systems, including IVR, SIP, RTP, and VoIP protocols. Coordinate with project teams to understand system requirements and ensure comprehensive test coverage. Monitor and analyze environment requirements, including media paths, SIP trunks, and voice gateways, to optimize performance testing processes. Integrate testing procedures with CI/CD tools, load generators, and databases to streamline deployment and testing workflows. Conduct detailed analysis of performance metrics, including call success rate, MOS score, and audio quality, providing actionable insights and reports.
What's Needed?
8-10+ years of experience in performance testing, with a focus on voice and telephony systems. Proficiency with performance testing tools such as Dynatrace, LoadRunner, and Splunk. Experience with telephony protocols including SIP, RTP, DTMF, PSTN, TDM, VoIP, and codecs. Strong understanding of PBX, SBCs, carriers, call servers, and IVR infrastructure. Ability to troubleshoot SIP signaling issues, call drops, codec mismatches, and DTMF errors effectively.
What's in it for me?
Opportunity to work on cutting-edge voice and telephony systems in a dynamic environment. Collaborate with a skilled offshore team and industry experts to enhance your technical expertise. Engage in continuous learning and professional development through training and hands-on experience. Be part of a forward-thinking organization committed to innovation and excellence. Contribute to impactful projects that improve voice communication systems for diverse clients.
Upon Completion Of Waiting Period, Consultants Are Eligible For
Medical and Prescription Drug Plans Dental Plan Vision Plan Health Savings Account Health Flexible Spending Account Dependent Care Flexible Spending Account Supplemental Life Insurance Short Term and Long Term Disability Insurance Business Travel Insurance 401(k), Plus Match Weekly Pay
If this is a role that interests you and you'd like to learn more, click apply now and a recruiter will be in touch with you to discuss this great opportunity. We look forward to speaking with you!
About ManpowerGroup, Parent Company of: Manpower, Experis, Talent Solutions, and Jefferson Wells.
ManpowerGroup® (NYSE: MAN), the leading global workforce solutions company, helps organizations transform in a fast-changing world of work by sourcing, assessing, developing, and managing the talent that enables them to win. We develop innovative solutions for hundreds of thousands of organizations every year, providing them with skilled talent while finding meaningful, sustainable employment for millions of people across a wide range of industries and skills. Our expert family of brands – Manpower, Experis, Talent Solutions, and Jefferson Wells – creates substantial value for candidates and clients across more than 75 countries and territories and has done so for over 70 years. We are recognized consistently for our diversity - as a best place to work for Women, Inclusion, Equality and Disability and in 2023 ManpowerGroup was named one of the World's Most Ethical Companies for the 14th year - all confirming our position as the brand of choice for in-demand talent.