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Sr Performance Test Engineer Jobs in Missouri (NOW HIRING)

Flight Test Engineer

California, MO · On-site

$101 - $206/hr

We deliver flight data critical to validating system performance and achieving rapid technology ... and experience * Sr. Level ($120,000-$158,000): Bachelor's degree (B.S.) from accredited ...

About Us : Known for "Delighting the Client" through performance, innovation, and an employee ... The Test Engineer will play a critical role in ensuring the quality of our healthcare software ...

About Us : Known for "Delighting the Client" through performance, innovation, and an employee ... The Test Engineer will play a critical role in ensuring the quality of our healthcare software ...

Mid-Level Test Engineer

Saint Louis, MO · On-site

$87K - $157K/yr

As a Mid-Level Test Engineer, you will play a key role in ensuring the delivery of reliable, secure ... Validate application performance, reliability, security, and usability. * Identify, document ...

Mid-Level Test Engineer

Bridgeton, MO · On-site

$87K - $157K/yr

As a Mid-Level Test Engineer, you will play a key role in ensuring the delivery of reliable, secure ... Validate application performance, reliability, security, and usability. * Identify, document ...

Mid-Level Test Engineer

Saint Louis, MO · On-site

$87K - $157K/yr

As a Mid-Level Test Engineer, you will play a key role in ensuring the delivery of reliable, secure ... Validate application performance, reliability, security, and usability. * Identify, document ...

Mid-Level Test Engineer

Florissant, MO · On-site

$87K - $157K/yr

As a Mid-Level Test Engineer, you will play a key role in ensuring the delivery of reliable, secure ... Validate application performance, reliability, security, and usability. * Identify, document ...

As a Mid-Level Test Engineer, you will play a key role in ensuring the delivery of reliable, secure ... Validate application performance, reliability, security, and usability. * Identify, document ...

Mid-Level Test Engineer

Ballwin, MO · On-site

$87K - $157K/yr

As a Mid-Level Test Engineer, you will play a key role in ensuring the delivery of reliable, secure ... Validate application performance, reliability, security, and usability. * Identify, document ...

Mid-Level Test Engineer

Saint Ann, MO · On-site

$87K - $157K/yr

As a Mid-Level Test Engineer, you will play a key role in ensuring the delivery of reliable, secure ... Validate application performance, reliability, security, and usability. * Identify, document ...

Mid-Level Test Engineer

Fenton, MO · On-site

$87K - $157K/yr

As a Mid-Level Test Engineer, you will play a key role in ensuring the delivery of reliable, secure ... Validate application performance, reliability, security, and usability. * Identify, document ...

Software Test Engineer

California, MO · On-site

$120 - $180/hr

... measure performance. Every team member who works at Deepgram is expected to actively use and ... senior candidates with significantly deeper experience welcome). * Solid backend/scripting ...

Mid-Level Test Engineer

Arnold, MO · On-site

$87K - $157K/yr

As a Mid-Level Test Engineer, you will play a key role in ensuring the delivery of reliable, secure ... Validate application performance, reliability, security, and usability. * Identify, document ...

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 Missouri?

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

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

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

Infographic showing various Sr Performance Test Engineer job openings in Missouri as of August 2026, with employment types broken down into 90% Full Time, 8% Part Time, and 2% Contract. Highlights an 81% Physical, 2% Hybrid, and 17% Remote job distribution.

Flight Test Engineer

Stratolaunch

California, MO • On-site

$101 - $206/hr

Other

Life, Retirement

Posted 4 days ago


Job description

Mojave, California, United States | Mission Operations

Stratolaunch is a technology accelerator that engineers operationally realistic testing at Mach 5+. Our air-launched, Talon testbeds are reusable, cost-effective platforms that enable routine access to the hypersonic environment. We deliver flight data critical to validating system performance and achieving rapid technology deployment. Together with our customers, we drive innovations that are imperative to advancing national security.

As aFlight Test Engineer, you will enable development and successful flight testing of Stratolaunch’s hypersonic aircraft systems. You will provide effective leadership in the control room as a Test Conductor, or other lead position, during flight test and air-launch test missions. You will have an active leadership role in developing test plans and schedules, mission procedure documentation, and compliance with approved launch license procedures. You should possess considerable experience in conducting and leading disciplined, effective developmental flight test, or similar experience in a technically demanding environment. You must establish and maintain effective relationships with colleagues on a small, agile design-to-flight team. You will be challenged with bringing unique and complex aircraft from initial flight to operational use, at a company that believes in giving our team members the authority and responsibility to succeed.

ESSENTIAL RESPONSIBILITIES
  • Lead the mission control room team as a Test Conductor, or similar operational role, during experimental flight test of the Roc carrier aircraft and/or the Talon hypersonic vehicle testbeds.
  • Lead the Mission Operations team assigned to a flight or series of flight as the main liaison to program management personnel.
  • Responsible for safe and effective conduct of ground and flight test missions, and engineering support from the mission control room.
  • Develop depth of engineering and system knowledge to enable rapid decision-making and task prioritization.
  • Lead test or flight readiness reviews prior to test plan execution.
  • Coordinate range, airspace, and support resources in support of flight test missions.
  • Develop and document procedures for expanded mission control room operations, to support air-launch test missions with multiple aircraft and separate control elements. Develop and document procedures covering all aspects of test mission execution for the integrated launch system.
  • Support development of test strategy and objectives, test plans and mission cards for ground and inflight testing and identify test hazards and develop mitigation actions.
  • Coordinate closely with vehicle engineering teams to define test and data requirements and help identify system safety or operational concerns.
  • Manage and communicate test-specific vehicle limitations and flight readiness review actions.
  • Coordinate on-vehicle test requirements with overall manufacturing and program schedules.
  • Mentor less experienced personnel in proper flight test planning and execution.
  • Assess readiness of mission control room discipline engineers and support functions.
  • Travel, as needed, to support mission planning, launch approval meetings, and other tasks.
  • Demonstrate integrity, accountability, and initiative to fulfill commitments.
QUALIFICATIONS:

To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements listed below are representative of the knowledge, skill, and/or ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

REQUIRED:
  • Technical aerospace experience, including training in a technical discipline.
  • Ability to analyze and prioritize tasks on their own initiative, and drive projects to completion, to fit within overall business goals.
  • Ability to lead a small team, make decisions, communicate requirements, and quickly adapt to changing priorities.
  • Previous experience with new, experimental, or modified aircraft, launch vehicles or spacecraft, technical and safety review boards, and configuration control methods.
  • Experience with engineering and test data analysis tools such as IADS and MATLAB.
  • Knowledge of risk management or safety management systems.
  • Have excellent written and verbal communication skills.
  • Experience leading flight test programs.
  • Be able to work irregular hours and workdays, and travel periodically.
  • Ability to obtain a security clearance.
HIGHLY DESIRED:
  • Bachelor’s degree in engineering, or similar technical foundation
  • Flight Test Engineer graduate of a recognized test pilot school long course
  • Experience as a Test Conductor for a developmental test program
  • Experience as a Flight Test Engineer or control room engineer on an active test program
  • Experience with launch vehicle or aircraft requirements verification
  • Experience with launch vehicle, air-launch, or high-speed flight programs
  • Experience with government flight test organizations, ranges, and procedures
  • Experience operating in a classified work environment or with classified hardware
EDUCATION & EXPERIENCE
  • Level II ($101-000-$146,500): Bachelor’s degree or higher from accredited institution and 2-5 years of engineering experience, OR equivalent combination of education and experience
  • Sr. Level ($120,000-$158,000): Bachelor’s degree (B.S.) from accredited institution and 5-10 years of engineering experience, OR equivalent combination of education and experience
  • Staff Level ($157,000-$206,000): Bachelor’s degree (B.S.) from accredited institution and 10-20 years of engineering experience, OR equivalent combination of education and experience
Special remarks regarding work environment, if applicable
  • This position is located in Mojave, CA.
  • Travel estimated to be approximately 5%
  • #LI-Onsite

Base salary and leveling are established on a case-by-case basis. We consider several factors to ensure a competitive offer, including your location, educational background, and a comprehensive assessment of the skills and experience demonstrated during your interviews
Benefits and our location(s) :

  • Paid Maternity and Parental Leave
  • 50% company match per contributed dollar into 401(k) savings plan, up to $11,500

This position may involve the operation of company vehicles as part of assigned duties.

Mojave Air & Spaceport is located just outside of Lancaster/Palmdale and is only 95 miles north of Los Angeles. The area offers both affordability and central access to a variety of California's best attractions and landmarks.

Not much for the outdoors and prefer the city life? You’re within a half day’s drive or less of Los Angeles, San Diego, Las Vegas, and San Francisco where you can find a variety of live entertainment, museums, tours, and historical sight-seeing. Theme parks are in abundance, with Six Flags Magic Mountain, Disneyland, and Knotts Berry Farm ready to meet the needs of rollercoaster thrill seekers.

Food and drink fanatics are in a haven of delectable choices. Wine aficionados will also find easy access to some of the state’s best vino in Paso Robles, Santa Ynez, and even more locally in Tehachapi and Agua Dulce. Beer fanatics will find some of the best West Coast IPAs at Bravery and Lucky Luke’s in Lancaster. Any food option you crave is covered, and we always recommend the authentic and fresh Mexican food that you won’t find anywhere else in the United States.

Stratolaunch is an equal opportunity employer that values diversity at our company. We encourage people from all walks of life to apply, without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, disability or any other characteristic protected by law. Our management team does not tolerate discrimination or harassment at any point during our employees’ and applicants’ time with us, especially with respect to recruitment, hiring, placement, promotion, transfer, training, compensation, benefits, employee activities, and general treatment during employment. For purposes of transparency, U.S. Citizenship may be required for some positions with a government clearance and certain other restricted positions.

Equal Employment Opportunity is the Law:
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