Comcast · 1 hour ago
Performance Test Engineer
United States
Full-time
Remote
Mid, Senior Level
$65K/yr - $152K/yr
7+ years expComcast Advertising is a leader in the TV advertising industry, focusing on innovative technology for advanced advertising solutions. The Performance Test Engineer will be responsible for validating software solutions through the design and execution of performance test plans, collaborating with engineers to identify and document defects, and maintaining technical quality assurance systems.
InternetTelecommunicationsTVVideoWeb Hosting
Responsibilities
Design, develop, and maintain performance test scripts using Apache JMeter / Loadrunner for web applications, APIs, and other system components to accurately simulate real-world user behavior and system interactions
Create and execute various types of performance tests, including load, stress, endurance, and scalability testing
Monitor and analyze system performance during test execution, identifying bottlenecks, performance issues, and areas for improvement
Collaborate with Product, Development and QA teams to understand application architecture, performance requirements, and potential performance risks
Generate detailed performance test reports, providing actionable insights and recommendations for performance optimization
Troubleshoot and debug performance test scripts and environments
Contributes as a valuable team member in Large Enterprise-Wide Migration initiatives
Contributes to the development of Performance test philosophies and methodologies. Identifies viable test strategies to support testing product functionality
Actively participating in agile ceremonies like daily stand-ups, sprint planning, and retrospectives. Be accountable for their assigned work, communicate progress and blockers
Assists in providing guidance and mentorship for junior-level Performance test Engineers
Consistent exercise of independent judgment and discretion in matters of significance
Regular, consistent, and punctual attendance. Must be able to work nights and weekends, variable schedule(s) and overtime as necessary. Other duties and responsibilities as assigned
Must be able to work Eastern Standard Hours
Qualification
Required
Bachelor's degree in computer science or related engineering/technical discipline
Overall, 7-11 years related IT experience
5+ years' Performance testing experience in an IT environment with tools JMeter and LoadRunner
Experience working in agile scrum teams
Experience leading, planning, executing and coordinating performance tests for medium to large scale enterprise systems
Experience in Performance test plan creation, test script creation, load model generation
Experience with JMeter and LoadRunner is required
Experience with debugging, performance profiling and optimization
Knowledge of Continuous Integration and Continuous Deployment processes
Able to work proficiently both independently and in a team environment
Strong communication skills with both internal team members and external business stakeholders
Demonstrated ability to work on concurrent projects, activities and tasks under time constraints
Strong hands-on expertise with Apache JMeter / Loadrunner specializing in Web UI scripting, handle complex correlations, customize scripts and execute load tests in JMeter / Loadrunner
Strong understanding of performance testing concepts, methodologies, and metrics like response time, throughput, error rate, resource utilization
Knowledge of various protocols like HTTP/S, TCP/IP and their application in performance testing
Strong analytical and problem-solving skills to identify and diagnose performance issues
Preferred
Experience with performance monitoring tools like Kibana, Grafana, Dynatrace and cloud-specific monitoring tools like Azure app insights would be a plus
Experience with performance tuning and optimization techniques would be a plus
Experience in using monitoring tools including Elasticsearch is a plus
Experience with Dev Ops/Agile development methodologies including Kanban and Scrum
Experience in REST APIs/ web services using SOAP UI, POSTMAN, SWAGGER, WINSCP, PUTTY, GEMS, XML Spy tools
Experience using Jira and Confluence Team Collaboration software a plus
Knowledge of Video/Media platform technology a plus
Benefits
Most non-sales positions are eligible for a Bonus.
Best-in-class Benefits to eligible employees.
An array of options, expert guidance and always-on tools, that are personalized to meet the needs of your reality.
Company
Comcast
Comcast is a media and technology company that provides broadband internet, mobile services, and entertainment platforms. It is a sub-organization of SkyShowtime.
10001+ employees
H1B Sponsorship
Comcast has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (705)
2024 (561)
2023 (624)
2022 (750)
2021 (588)
2020 (583)
Funding
Current Stage
Public CompanyTotal Funding
$4.92BKey Investors
California Public Utilities CommissionMassachussetts Broadband InstituteMaine Connectivity Authority
2025-11-13Grant· $3.2M
2024-07-02Grant· $2.69M
2023-04-24Grant· $0.28M
Leadership Team
Neil Smit
President and Chief Executive Officer
Candy Lawson
SVP, Chief Compliance Officer and Senior Deputy General Counsel
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