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Director Performance Engineering Jobs in Bristol, CT

LiquidPiston

Engine Performance Engineer

Suffield, CT · On-site

Senior Engineer - Performance & Calibration This role is fully onsite in Bloomfield, CT, five days ... directed learning and formal training. Requirements: * PhD or MS in Mechanical Engineering (BS with ...

subway

Testing and Automation Engineer

Shelton, CT

$102K - $128K/yr

Utilize performance engineering tooling (e.g., JMeter, Gatling, k6, Locust). * Leverage AI-assisted ... Director, Testing & Observability | Travel: Minimal to none. What do we offer? * Insurance Plans ...

subway

Testing and Automation Engineer

Shelton, CT

$102K - $128K/yr

Utilize performance engineering tooling (e.g., JMeter, Gatling, k6, Locust). * Leverage AI-assisted ... Director, Testing & Observability | Travel: Minimal to none. What do we offer? * Insurance Plans ...

subway

Testing and Automation Engineer

Shelton, CT

$102K - $128K/yr

Utilize performance engineering tooling (e.g., JMeter, Gatling, k6, Locust). * Leverage AI-assisted ... Director, Testing & Observability | Travel: Minimal to none. What do we offer? * Insurance Plans ...

subway

Testing and Automation Engineer

Shelton, CT

$102K - $128K/yr

Utilize performance engineering tooling (e.g., JMeter, Gatling, k6, Locust). * Leverage AI-assisted ... Director, Testing & Observability | Travel: Minimal to none. What do we offer? * Insurance Plans ...

subway

Testing and Automation Engineer

Shelton, CT

$102K - $128K/yr

Utilize performance engineering tooling (e.g., JMeter, Gatling, k6, Locust). * Leverage AI-assisted ... Director, Testing & Observability | Travel: Minimal to none. What do we offer? * Insurance Plans ...

subway

Testing and Automation Engineer

Shelton, CT

$102K - $128K/yr

Utilize performance engineering tooling (e.g., JMeter, Gatling, k6, Locust). * Leverage AI-assisted ... Director, Testing & Observability | Travel: Minimal to none. What do we offer? * Insurance Plans ...

subway

Testing and Automation Engineer

Shelton, CT

$102K - $128K/yr

Utilize performance engineering tooling (e.g., JMeter, Gatling, k6, Locust). * Leverage AI-assisted ... Director, Testing & Observability | Travel: Minimal to none. What do we offer? * Insurance Plans ...

subway

Testing and Automation Engineer

Shelton, CT

$102K - $128K/yr

Utilize performance engineering tooling (e.g., JMeter, Gatling, k6, Locust). * Leverage AI-assisted ... Director, Testing & Observability | Travel: Minimal to none. What do we offer? * Insurance Plans ...

subway

Testing and Automation Engineer

Shelton, CT

$102K - $128K/yr

Utilize performance engineering tooling (e.g., JMeter, Gatling, k6, Locust). * Leverage AI-assisted ... Director, Testing & Observability | Travel: Minimal to none. What do we offer? * Insurance Plans ...

subway

Testing and Automation Engineer

Shelton, CT

$102K - $128K/yr

Utilize performance engineering tooling (e.g., JMeter, Gatling, k6, Locust). * Leverage AI-assisted ... Director, Testing & Observability | Travel: Minimal to none. What do we offer? * Insurance Plans ...

subway

Testing and Automation Engineer

Shelton, CT · On-site

$102K - $128K/yr

Utilize performance engineering tooling (e.g., JMeter, Gatling, k6, Locust). * Leverage AI-assisted ... Director, Testing & Observability | Travel: Minimal to none. What do we offer? * Insurance Plans ...

The Subway

Testing and Automation Engineer

Shelton, CT · On-site

$102K - $128K/yr

Utilize performance engineering tooling (e.g., JMeter, Gatling, k6, Locust). * Leverage AI-assisted ... Director, Testing & Observability | Travel: Minimal to none. What do we offer? * Insurance Plans ...

Medtronic

Engineering Director

North Haven, CT · On-site

The Quality Engineering Director will lead a team of quality engineering professionals focused on ... Establish performance goals and targets, conduct performance reviews, and lead regular one-on-one ...

IDEX

Director of Process Engineering

Farmington, CT

The Director of Process Engineering is responsible for leading the development, optimization, and ... This role drives process stability, improves yield and cost performance, and ensures successful ...

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Showing results 1-20

All JobsPerformance Engineering JobsDirector Performance Engineering JobsDirector Performance Engineering Jobs in Bristol, CT

Director Performance Engineering information

See Bristol, CT salary details

$73.1K

$195K

$254.3K

How much do director performance engineering jobs pay per year?

As of Jul 29, 2026, the average yearly pay for director performance engineering in Bristol, CT is $194,970.00, according to ZipRecruiter salary data. Most workers in this role earn between $141,700.00 and $253,300.00 per year, depending on experience, location, and employer.

How does a Director of Performance Engineering typically collaborate with cross-functional teams to drive system optimization?

A Director of Performance Engineering frequently works closely with software development, operations, and product teams to identify performance bottlenecks and implement solutions. They lead performance reviews, set benchmarks, and coordinate testing strategies to ensure systems meet business requirements. Regular communication and joint troubleshooting sessions are common, as the role requires balancing technical needs with business priorities. This collaborative approach helps ensure that performance goals are aligned across the organization and that issues are resolved efficiently.

What are the key skills and qualifications needed to thrive as a Director of Performance Engineering, and why are they important?

To thrive as a Director of Performance Engineering, you need deep expertise in software performance optimization, systems architecture, and a strong background in computer science or a related field, often with advanced degrees or equivalent experience. Familiarity with performance testing tools (such as JMeter, LoadRunner), monitoring platforms (like New Relic, Dynatrace), and cloud infrastructure is typically required, along with certifications in relevant technologies. Exceptional leadership, cross-functional collaboration, and strategic problem-solving abilities make candidates stand out in this role. These skills are crucial for driving high-performing teams, ensuring system reliability, and delivering scalable solutions that support business objectives.

What does a Director of Performance Engineering do?

A Director of Performance Engineering leads teams responsible for ensuring that software, systems, or applications perform optimally and efficiently at scale. They set performance goals, develop testing strategies, and oversee the identification and resolution of bottlenecks. This role involves collaborating with engineering, operations, and product teams to build robust, high-performing solutions. Additionally, they provide technical leadership, mentor team members, and define best practices for performance testing and monitoring.

What is the difference between Director Performance Engineering vs Performance Engineer?

AspectDirector Performance EngineeringPerformance Engineer
ResponsibilitiesOversees performance testing strategies, manages teams, and aligns performance goals with business objectives.Conducts performance testing, analyzes system performance, and reports findings to improve application efficiency.
Required SkillsLeadership, project management, advanced performance testing expertise, and strategic planning.Technical performance testing skills, scripting, and performance analysis.
Work EnvironmentSenior management, cross-functional teams, strategic planning sessions.Technical teams, testing labs, development environments.

The main difference is that the Director Performance Engineering leads and strategizes performance initiatives at an organizational level, while the Performance Engineer focuses on executing performance tests and analyzing system performance. The director role involves leadership and planning, whereas the performance engineer role is more technical and hands-on.

What job categories do people searching Director Performance Engineering jobs in Bristol, CT look for? The top searched job categories for Director Performance Engineering jobs in Bristol, CT are:
Director Performance Engineering jobs near you

Engine Performance Engineer

LiquidPiston

Suffield, CT • On-site

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 6 days ago

Job description

Senior Engineer - Performance & Calibration
This role is fully onsite in Bloomfield, CT, five days per week, and the company will be relocating to Suffield, CT later in 2026.
About LiquidPiston:
LiquidPiston is redefining the internal combustion engine through its innovative rotary X-engine architecture. Our mission is to deliver compact, fuel-efficient, high power-density engines for a wide range of applications. We are seeking a highly motivated Senior Engineer – Performance & Calibration to help bring our advanced rotary engines to production.
Position Summary:
As Senior Engineer – Performance & Calibration you will be a key contributor to engine performance development activities aimed at bringing LiquidPiston’s rotary engines to production. You will work closely within a team of Test Engineers, Technicians, and Performance Engineers as you develop engine calibration strategies and methodologies to meet performance targets. In addition, you will collaborate with Chief Engineers, Design Engineers, and other cross-functional team members to help define critical data and insights needed to inform engine architecture and design decisions.
A broad range of experience and skills, along with the ability to adapt quickly from one task to another, will be essential for success. This role places strong emphasis on engine calibration supported by deep knowledge of engine performance, efficiency, testing, and data analysis. The position requires a solid foundation in thermal sciences and engineering principles, and the ability to work collaboratively with analysts using tools such as GT Power and combustion CFD platforms. You will also contribute to continuous improvement initiatives aimed at increasing the efficiency and effectiveness of simulation and development work.
Responsibilities:
  • Perform engine calibration to meet targets for power, efficiency, emissions, transient response, and off-nominal operating conditions.
  • Develop efficient processes and methods for engine calibration tailored to the rotary X-engine platform.
  • Document and communicate results of calibration efforts clearly and effectively.
  • Design and execute engine test plans for performance development, including analysis and reporting of results.
  • Collaborate with analysts running GT Power, combustion CFD, or other simulation tools to support holistic, model-based development approaches.
  • Work closely with cross-functional design and test teams to drive engine improvements and support design decisions.
  • Develop and follow standardized test and calibration procedures specific to LiquidPiston’s engine architecture.
  • Contribute to continuous improvement efforts that enhance testing efficiency, simulation accuracy, and overall development effectiveness.
  • Stay current with emerging engine technologies, calibration strategies, and simulation tools through self-directed learning and formal training.
Requirements:
  • PhD or MS in Mechanical Engineering (BS with significant relevant experience will also be considered).
  • Strong grasp of thermodynamics, physics, combustion, and engine efficiency principles.
  • Demonstrated engine testing and calibration experience.
  • Proficiency with MATLAB, CAN communication tools, Python, or other scripting languages.
  • Strong problem-solving and analytical skills.
  • Strong team player with the ability to be self-directed in a fast-paced development environment.
Beneficial:
  • Experience with simulation tools including GT Power, CONVERGE, and ANSYS Fluent.
  • Familiarity with optimization methods, especially as applied to engine development and calibration.
Benefits & Perks:
  • Flexible PTO: We value work-life balance and encourage time to rest and recharge.
  • Health & Wellness: Comprehensive medical, dental, and vision coverage. You choose what works best for you.
  • Equity Participation: Permanent employees receive RSUs to share in our success.
  • 401(k) Match: We offer a 401k w/100% matching up to 3% of your salary and then 50% of contributions between 3-5%
  • Career Growth: Ongoing training, mentorship, and learning opportunities to accelerate your growth.
Our Culture:
At LiquidPiston, we embrace challenges, move fast, and celebrate curiosity. Our team thrives on collaboration, creativity, and perseverance. We understand that innovation involves risk and we’re not afraid to fail forward.
Equal Opportunity Employer:
LiquidPiston, Inc. is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.
All offers of employment at LiquidPiston are contingent upon the successful completion of a pre-employment background check and drug screening.

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