1

Sr Performance Test Engineer Jobs in Ontario (NOW HIRING)

From new features to enable other development teams, to measuring performance across our customer ... As a Lead Software Engineer in Test, you will be designing test strategies for new features ...

Develop KPIs and dashboards to track power, performance, process variation, yield, and product ... Test Engineering, Silicon Validation, or Post-Silicon Engineering in fabless or semiconductor ...

We are looking for a Hardware Signal Quality Test Engineer to join our San Francisco team. As Oura ... Analyze sensor data and performance using Python and appropriate data-analysis methods, identifying ...

Your role As a Senior Software Developer in Test (SDET) in the Contact Center QA team, you're both ... You write the API, UI, capacity, security, and performance tests necessary to validate features ...

The team validates and tests the modules to ensure highest in class performance. What You Can Expect Develop optical test beds and execute test plans for coherent pluggable modules under various ...

Senior Product Reliability Engineer Compensation: $90,000 - $130,000 + annual bonus (paid in local ... Author and execute commissioning protocols, performance test plans, and customer-facing acceptance ...

Write and maintain scripts/tools for the test engineering group, enhancing the group's overall productivity. Qualifications * Bachelor's or Master's degree in Electrical/Computer Engineering or ...

Embedded Systems Test Engineer

Waterloo, ON · On-site

CA$95K - CA$130K/yr

About Voyis Voyis designs and manufactures high performance underwater optical sensors (lasers ... The Role As an Embedded Systems Test Engineer at Voyis, you will play a critical role in improving ...

Your role As a Senior Software Developer in Test (SDET) in the Contact Center QA team, you're both ... You write the API, UI, capacity, security, and performance tests necessary to validate features ...

About the Role As a Support Engineer in Test, you will play a pivotal role in ensuring the ... Hands-on experience working with senior-level business leaders Schedule * 40 hours/week

Showing results 41-60

Sr Performance Test Engineer information

What is a Sr Performance Test Engineer?

Senior Performance Test Engineers are experienced professionals responsible for designing, implementing, and executing tests to evaluate the speed, responsiveness, scalability, and stability of software applications under varying workloads. They analyze system performance, identify bottlenecks, and recommend optimizations to ensure the application meets performance requirements. Additionally, Sr Performance Test Engineers often lead performance testing initiatives, mentor junior testers, and collaborate closely with development and operations teams to ensure a high-quality user experience.

What are the key skills and qualifications needed to thrive as a Sr Performance Test Engineer?

To thrive as a Sr Performance Test Engineer, you need an in-depth understanding of performance testing concepts, scripting, and analysis, typically supported by a degree in computer science or a related field. Expertise in tools like LoadRunner, JMeter, and monitoring systems such as Dynatrace or New Relic, along with relevant certifications, is often required. Strong analytical thinking, problem-solving abilities, and effective communication skills set standout professionals apart in this role. These skills and qualities are crucial to accurately identify bottlenecks, ensure system reliability, and drive collaboration across development teams for optimal application performance.

What are some typical challenges faced by a Sr Performance Test Engineer, and how can these be addressed?

Sr Performance Test Engineers often encounter challenges such as simulating real-world user loads, identifying performance bottlenecks in complex systems, and ensuring testing environments closely mirror production. Addressing these requires collaboration with developers and DevOps teams to set up accurate test environments, using advanced monitoring tools to trace issues, and continuously refining test scripts as applications evolve. Proactively communicating with stakeholders and staying updated on the latest performance testing tools can also help overcome these challenges.

What is the difference between Sr Performance Test Engineer vs Performance Test Engineer?

AspectSr Performance Test EngineerPerformance Test Engineer
CredentialsTypically requires 5+ years experience, certifications like ISTQB or ISTQB Advanced, and strong technical skillsUsually requires 2-4 years experience, similar certifications, and foundational testing skills
Work EnvironmentWorks in complex projects, often leads testing efforts, and collaborates with multiple teamsPerforms testing tasks under supervision, supports performance testing activities
Industry UsageCommonly employed in IT, software development, and enterprise applicationsUsed across similar industries, often as an entry to mid-level role

The main difference is experience level and responsibility. Sr Performance Test Engineers lead testing efforts and handle complex scenarios, while Performance Test Engineers focus on executing tests and supporting the team. Both roles require similar skills and certifications, but the senior role involves more leadership and strategic planning.

What are popular job titles related to Sr Performance Test Engineer jobs in Ontario?

For Sr Performance Test Engineer jobs in Ontario, the most frequently searched job titles are:

What job categories do people searching Sr Performance Test Engineer jobs in Ontario look for?

The top searched job categories for Sr Performance Test Engineer jobs in Ontario are:

Infographic showing various Sr Performance Test Engineer job openings in Ontario as of August 2026, with employment types broken down into 1% As Needed, 80% Full Time, 17% Part Time, and 2% Contract. Highlights an 82% Physical, 2% Hybrid, and 16% Remote job distribution.

CA$104K - CA$129K/yr

Full-time

Medical, Dental, Vision

Re-posted 10 hours ago


Job description

At Kepler Communications, we're not just imagining the future of on-demand space connectivity - we're leading it!

Our mission is to provide real-time on-orbit connectivity for critical missions, enabling a new era of data-driven intelligence and innovation. With 33 satellites launched to date, Kepler operates the first commercial optical data relay constellation, enabling real-time, continuous space communications while supporting advanced on-orbit compute and hosted payload capabilities. 

Industry-leading technology is only part of the story. What sets Kepler apart is our team: bold thinkers, skilled builders, and passionate problem-solvers who thrive on pushing the boundaries of what's possible in space. We believe great ideas come from diverse perspectives, and we're committed to creating an environment where you can grow, lead, and make a global impact. 
 
If you're ready to reach higher, move faster, and do work that shapes the future space economy - this is your launchpad. Come build the future with Kepler! 
 
 
What We Offer:
* Competitive compensation with a robust equity plan to share in our success. 
* Comprehensive coverage for health, dental, and vision insurance-including dependents. 
* Unlimited vacation, supportive parental leave policy, and company-wide holiday shutdown. 
* Semi-annual company-wide parties and frequent in-office team events. 
* Relocation packages available for approved roles. 
* $1,500 annual professional development fund to support your growth. 
* Fully stocked Toronto office kitchen with snacks, drinks, games and top-notch kitchen appliances. 
* Town Halls, Celebration Calls, and Company-wide events to stay connected and engaged. 
* We're a certified Great Place to Work, seven years in a row!

We invest heavily to deliver the best products to our customers, and so we're on the hunt for a Hardware Test Engineer who will architect and design test infrastructure to ensure reliability and top quality for all Kepler products. 
Key Responsibilities:
  • Design and implement test procedures, fixtures, and software for PCBs, subassemblies, and complete systems. Create both manual and automated test setups using lab and production-grade equipment. Develop and maintain test scripts to improve test efficiency and repeatability

  • Develop comprehensive test plans, test cases, and test reports that align with design specifications and customer requirements. Maintain traceability and detailed records for auditing and continuous improvement

  • Interface with electrical, firmware, mechanical, and manufacturing teams to validate new designs, provide DFT (Design for Test) feedback, and resolve test issues across the development lifecycle. Support prototype bring-up and debug, assist with root cause analysis of test failures, and implement corrective actions

  • Collaborate with hardware design teams early in the development cycle to provide DFT feedback, ensuring testability of PCBs and assemblies. Participate in design reviews for all active designs to ensure test requirements have been met

Required Skills & Qualifications:
  • Bachelor's degree in Electrical Engineering, Computer Engineering, or related field

  • 2+ years of hands-on experience in hardware testing, design validation, or a related field

  • Comfortable in a lab environment and experience using standard tools such as oscilloscopes, spectrum analyzers, multimeters, VNAs, etc.  

  • Demonstrated willingness and ability to leverage AI-assisted engineering and development tools to improve productivity, design quality, and innovation while adapting to evolving technologies and best practices 
  • Experience with at least one scripting or programming language (e.g., Python, MATLAB, Bash, or C/C++)

  • Ability to work in a team and independently with little supervision. Experience with one or more CAD tools (Altium, Eagle, Allegro, KiCad, Upverter, etc.) 

  • Ability to troubleshoot hardware issues, drive design decisions and implement well documented processes

  • Demonstrated willingness and ability to leverage AI-assisted engineering and development tools to improve productivity, design quality, and innovation while adapting to evolving technologies and best practices 
Bonus Points:
  • Knowledge and / or experience in design and / or testing for Space

  • Test experience in a low volume + high complexity environment

Salary Range: $104,310 - 129,310 CAD

Actual total compensation will be determined at the Company's discretion and is based on a variety of job-related factors, which may include, but are not limited to, relevant knowledge, skills, experience, performance, and education and/or training. The Company encourages all qualified applicants to apply, even if the posted salary range does not align with their expectations, as it does not reflect our total compensation package. 
Job Type: This is for a current vacancy


Employment Equity & Accommodation Statement 
Kepler Communications is an equal opportunity employer committed to building a diverse and inclusive workplace. We welcome applications from all qualified individuals, including women, Indigenous peoples, persons with disabilities, members of visible minorities, and people of all sexual orientations and gender identities. 
 
If you require accommodation during any stage of the recruitment process, please contact our People & Culture team at [email protected], and we will work with you to meet your needs. 
At Kepler Communications, all hiring decisions are made by people. Human recruiters are involved in every step of our recruitment process. We use AI-based tools (such as Lever AI and HireEZ) to assist with the initial review of applications by ranking candidates based on job-relevant criteria. These tools support - but do not replace - human judgment.
apply for this job