Performance Test Engineer

Comcast Advertising is driving the TV advertising industry forward, from delivering ads to linear and digital audiences to pioneering the tech that makes it possible. We help brands connect with their audiences on every screen using advanced data, technology, and premium video content. Our media sales division helps local, regional, and national brands reach potential customers through multiscreen TV advertising. Our ad tech division FreeWheel provides comprehensive adtech that makes it easier to buy and sell premium video advertising across all screens, data types, and sales channels.
Job Summary
Comcast Advertising Engineering Group helps drive the new generation of products that are transforming Comcast into a media and technology company. Engineering manages the operations for Comcast's industry-leading video, high-speed Internet and voice services for consumers and businesses, and runs a network that supports numerous multi-billion-dollar businesses. Comcast is creating next-generation technology for the fast-growing advanced advertising market. We enable and innovate solutions to support both traditional and emerging programmatic and premium advertising markets through our platforms, data, marketplace and sales channels.
Job Description
Job Summary:
Responsible for validating software solutions in various testing environments by design, development and execution of complex performance test plans. Contributes to the development of performance test strategies and the design of performance test practices. Collaborates with other Engineers to identify, reproduce and document defects, bugs, or problems. Maintains technical quality assurance and control systems and activities. Utilizes clearly defined standards, methods and procedures for inspecting, testing and evaluating the precision, accuracy and reliability of company products. Assists product support areas in gathering and analyzing data. Has in-depth experience, knowledge and skills in own discipline. Usually determines own work priorities. Acts as a resource for colleagues with less experience.
Core 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.

Required Skills and Qualifications

• Ideal Performance test engineer candidate for this position should have 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
• 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
• Strong analytical and problem-solving skills to identify and diagnose performance issues

Job Specifications

• 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 in using monitoring tools including Elasticsearch is a plus.
• Experience with Dev Ops/Agile development methodologies including Kanban and Scrum
• 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.
• 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.

Employees at all levels are expected to:

• Understand our Operating Principles; make them the guidelines for how you do your job.
• Own the customer experience - think and act in ways that put our customers first, give them seamless digital options at every touchpoint, and make them promoters of our products and services.
• Know your stuff - be enthusiastic learners, users and advocates of our game-changing technology, products and services, especially our digital tools and experiences.
• Win as a team - make big things happen by working together and being open to new ideas.
• Be an active part of the Net Promoter System - a way of working that brings more employee and customer feedback into the company - by joining huddles, making call backs and helping us elevate opportunities to do better for our customers.
• Drive results and growth.
• Respect and promote inclusion & diversity.
• Do what's right for each other, our customers, investors and our communities

Comcast is an equal opportunity workplace. We will consider all qualified applicants for employment without regard to race, color, religion, age, sex, sexual orientation, gender identity, national origin, disability, veteran status, genetic information, or any other basis protected by applicable law. Comcast will consider for employment applicants with arrest or conviction records in accordance with the requirements of applicable law, including the San Francisco Fair Chance Ordinance, the Los Angeles Fair Chance Initiative for Hiring Ordinance, the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. Please note that federal state, or local laws and regulations may restrict or prohibit Comcast from hiring individuals convicted of certain crimes. Additionally, an applicant's criminal history may have a direct, adverse, and negative relationship on the job duties of this position, which may result in the withdrawal of a conditional offer of employment.
Skills:
Performance Testing; Scalability Testing; Agile Software Development; Continuous Integrations
Salary:
National Pay Range: $64,821.36 USD-$151,925.06 USD Illinois Pay Range: $68,872.70 USD - $133,694.06 USD Colorado Pay Range: $72,924.03 USD - $139,771.06 USD Hawaii Pay Range: $85,078.04 USD - $127,617.05 USD Washington DC Pay Range: $93,180.71 USD - $139,771.06 USD Maryland Pay Range: $76,975.37 USD - $139,771.06 USD Minnesota Pay Range: $72,924.03 USD - $127,617.05 USD New York Pay Range: $76,975.37 USD - $151,925.06 USD Washington Pay Range: $72,924.03 USD - $145,848.06 USD New Jersey Pay Range: $81,026.70 USD - $145,848.06 USD Vermont Pay Range: $76,975.37 USD - $121,540.05 USD Massachusetts Pay Range: $81,026.70 USD - $145,848.06 USD California Pay Range: $72,924.03 USD - $135,044.50
Comcast intends to offer the selected candidate base pay within this range, dependent on job-related, non-discriminatory factors such as experience. The application window is 30 days from the date job is posted, unless the number of applicants requires it to close sooner or later.
The application window is 30 days from the date job is posted, unless the number of applicants requires it to close sooner or later.
Base pay is one part of the Total Rewards that Comcast provides to compensate and recognize employees for their work. Most sales positions are eligible for a Commission under the terms of an applicable plan, while most non-sales positions are eligible for a Bonus. Additionally, Comcast provides best-in-class Benefits to eligible employees. We believe that benefits should connect you to the support you need when it matters most, and should help you care for those who matter most. That?s why we provide an array of options, expert guidance and always-on tools, that are personalized to meet the needs of your reality ? to help support you physically, financially and emotionally through the big milestones and in your everyday life. Please visit the compensation and benefits summary on our careers site for more details.
Education
Bachelor's Degree
While possessing the stated degree is preferred, Comcast also may consider applicants who hold some combination of coursework and experience, or who have extensive related professional experience.
Relevant Work Experience
5-7 Years