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Senior Performance Engineer Jobs in Springfield, MA

LiquidPiston

Engine Performance Engineer

Suffield, CT · On-site

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

Senior Engine Performance Engineer

Suffield, CT · On-site

$101K - $139K/yr

Senior Engine Performance Engineer 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:

RCN Capital

Senior Software Engineer

South Windsor, CT · Hybrid

$119K - $156K/yr

Senior Software Engineer RCN Capital is a nationwide wholesale lender focused on helping real ... Develop high-performance backend services and APIs using C# and.NET 10 /.NET Core * Design and ...

Neon Aerospace

Senior Engineer, Propellers

Manchester, CT

$105K - $144K/yr

Neon is seeking a Senior Engineer - Propellers to lead key engineering work across propeller system ... Improve product performance, manufacturability, and readiness for production. * Partner closely ...

JLL

Senior Automation Engineer

Windsor, CT · On-site

$103K - $135K/yr

The Senior Automation Engineer will ensure all work aligns with company policies and procedures ... Monitor system performance, drive continuous improvement projects, and communicate technical issues ...

BETA Group, Inc.

Senior Traffic Engineer

Hartford, CT · Hybrid

$106K - $160K/yr

The Senior Traffic Engineer will play a key role in performing and overseeing technical designs ... Signal Performance Measures (ATSPM), and the deployment of Vehicle to Infrastructure (V2I ...

BETA GROUP INC

Senior Traffic Engineer

Hartford, CT · On-site

$106K - $160K/yr

The Senior Traffic Engineer will play a key role in performing and overseeing technical designs ... Signal Performance Measures (ATSPM), and the deployment of Vehicle to Infrastructure (V2I ...

Deloitte

AI Engineer Senior Consultant

Hartford, CT · Hybrid

$105K - $144K/yr

Establish data/model reliability and cost-performance discipline (data quality, schema evolution ... AI Engineer Senior Consultant Our Deloitte Human Capital team transforms technology platforms ...

LiquidPiston

Senior Simulation Engineer

Suffield, CT · On-site

$101K - $139K/yr

Senior Simulation Engineer (Bearings & Seals) This role is fully onsite in Bloomfield, CT, five ... Diagnose and resolve complex sealing-related engine performance issues identified during dyno ...

LiquidPiston, Inc.

Senior Simulation Engineer

Suffield, CT · On-site

$101K - $139K/yr

Senior Simulation Engineer (Bearings & Seals) This role is fully onsite in Bloomfield, CT, five ... Diagnose and resolve complex sealing-related engine performance issues identified during dyno ...

Attalon, Inc.

Senior Quality Engineer

East Granby, CT · On-site

$85K - $145K/yr

They also recommend solutions that'll improve product durability and overall performance. The Senior Quality Engineer will collaborate with cross-functional teams to drive quality excellence in ...

Attalon, Inc.

Senior Quality Engineer

Bloomfield, CT · On-site

$85K - $145K/yr

They also recommend solutions that'll improve product durability and overall performance. The Senior Quality Engineer will collaborate with cross-functional teams to drive quality excellence in ...

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All JobsSenior Performance Engineer JobsSenior Performance Engineer Jobs in Springfield, MA

Senior Performance Engineer information

See Springfield, MA salary details

$59.3K

$126.1K

$182.9K

How much do senior performance engineer jobs pay per year?

As of Jun 19, 2026, the average yearly pay for senior performance engineer in Springfield, MA is $126,114.00, according to ZipRecruiter salary data. Most workers in this role earn between $104,100.00 and $143,000.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive in the Senior Performance Engineer position, and why are they important?

To thrive as a Senior Performance Engineer, expertise in performance analysis, capacity planning, and system optimization—often backed by a degree in computer science or a related field—is crucial. Familiarity with tools such as LoadRunner, JMeter, APM solutions, profiling tools, and relevant certifications like CPPE or PMP are highly beneficial. Strong problem-solving, collaboration, and clear communication skills are vital for identifying bottlenecks and working closely with cross-functional teams. These combine to ensure robust system performance, user satisfaction, and reliable application scalability in demanding technical environments.

What are the most common responsibilities of a Senior Performance Engineer on a day-to-day basis?

A Senior Performance Engineer typically oversees performance testing cycles, analyzes system metrics, and collaborates with development and operations teams to diagnose and resolve performance issues. Daily tasks often include designing and executing test plans, monitoring application behavior under load, and recommending improvements for scalability and efficiency. They also participate in code reviews and architectural discussions to identify potential bottlenecks early in the development cycle. Consistent communication with both technical and non-technical stakeholders is key, ensuring that performance goals align with business objectives.

What is a Senior Performance Engineer job?

A Senior Performance Engineer is responsible for optimizing the performance, scalability, and reliability of software applications and systems. They analyze performance metrics, conduct load and stress testing, identify bottlenecks, and work with development teams to implement improvements. This role requires expertise in profiling tools, performance tuning, and system architecture to ensure optimal user experience. Additionally, they may establish best practices for performance testing and contribute to overall system design decisions.

What are the most commonly searched types of Performance Engineer jobs in Springfield, MA? The most popular types of Performance Engineer jobs in Springfield, MA are:
What are popular job titles related to Senior Performance Engineer jobs in Springfield, MA? For Senior Performance Engineer jobs in Springfield, MA, the most frequently searched job titles are:
What job categories do people searching Senior Performance Engineer jobs in Springfield, MA look for? The top searched job categories for Senior Performance Engineer jobs in Springfield, MA are:
What cities near Springfield, MA are hiring for Senior Performance Engineer jobs? Cities near Springfield, MA with the most Senior Performance Engineer job openings:
Senior Performance Engineer jobs near you
Engine Performance Engineer

Engine Performance Engineer

LiquidPiston, Inc.

Suffield, CT • On-site

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 15 hours 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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