Hartford, CT • (42.3 miles) • Full Time • 9/24/2026

DescriptionCreativity. Innovation. A desire to effect positive change. That’s what it takes to work at Fuss & O’Neill – because that’s what we do for the communities in which we work: we create, innovate, and design long-lasting improvements that improve quality of life. Quality of life is also important on the job, so we’ve prioritized work-life balance by offering flexible/remote work opportunities, part-time benefits, and generous PTO. We believe that each day is an opportunity to support one another, to support our clients, and to support our communities. If you feel the same, then you’ve found your future.Fuss & O’Neill, a leading New England-based consulting firm, is seeking a Mechanical Engineer to join our growing MEP team. This is an exciting opportunity for a mechanical engineer

Suffield, CT 06078 • (26.9 miles) • Full Time • 9/15/2026

Mechanical 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: LiquidPiston, Inc. is developing the next generation of compact, high-efficiency rotary engines based on its patented thermodynamic cycle. Our engines are being designed to transform power generation and propulsion across aerospace, defense, and commercial industries. We offer a fast-paced, hands-on R&D environment where mechanical engineers have a direct impact on shaping breakthrough technologies. Position Overview: We are seeking a hands-on, innovative Mechanical Engineer to join our dynamic team. In this role, you will contribute to all phases of engine developmentfrom concept and design through testing and iterationas

Springfield, MA 01103 • (18.5 miles) • Full Time • 9/26/2026

Job SummaryDennis Group Civil Engineers focus on the land development and infrastructure for our industrial projects that involve designing and building new food and beverage process facilities. Our civil engineers have strong technical and design ability and excellent communication skills in designing land development plans, building pads, infrastructure for new buildings, landscaping, and everything from the foundation and below. Civil engineers are part of our Building Systems department and work closely with structure engineers and architects/designers. They are also involved with bid evaluation and local contractor initial contact in multiple project locations. The role is highly valuable at Dennis Group and faces engineering challenges that require strong calculation skills and for e

Hartford, CT 06105 • (42.1 miles) • Full Time • 9/26/2026

Hiring for a Thermal Test Engineer in West Hartford!Job DescriptionThis hands-on Thermal Test Engineer role focuses on supporting, improving, and helping design refrigeration-based test equipment for aerospace applications. You will troubleshoot existing test systems, replace obsolete components, and contribute to the development of next-generation thermal test stands. Candidates with strong HVAC and refrigeration-cycle expertise from either engineering or advanced HVAC service backgrounds are encouraged to apply.ResponsibilitiesTroubleshoot and support refrigeration-based thermal test equipment in a test engineering laboratory environment.Diagnose issues in existing thermal test stands and refrigeration systems, and implement effective technical solutions.Replace obsolete components and u

Hartford, CT • (42.3 miles) • Full Time • 9/24/2026

DescriptionCreativity. Innovation. A desire to effect positive change. That’s what it takes to work at Fuss & O’Neill – because that’s what we do for the communities in which we work: we create, innovate, and design long-lasting improvements that improve quality of life. Quality of life is also important on the job, so we’ve prioritized work-life balance by offering flexible/remote work opportunities, part-time benefits, and generous PTO. We believe that each day is an opportunity to support one another, to support our clients, and to support our communities. If you feel the same, then you’ve found your future.We are currently seeking a Civil Engineer to join our growing Site/Civil team. This is an excellent opportunity for an engineer with strong technical design experience who enjoys wor

Suffield, CT 06078 • (26.9 miles) • Full Time • 9/15/2026

Senior Simulation Engineer (Bearings & Seals) 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: At LiquidPiston, we’re redefining what’s possible in internal combustion. Our patented X-Engine architecture delivers a lighter, smaller, and more efficient solution compared to traditional engines - enabling new capabilities across aerospace, defense, and clean power generation.We’re not just building engines - we’re pushing the boundaries of innovation in power and propulsion. As part of our team, you’ll work alongside passionate engineers, designers, and researchers committed to solving hard problems and bringing cutting-edge technology to life.If you’re excited about clean-sheet engine design

Springfield, MA 01103 • (18.5 miles) • Full Time • 9/26/2026

Job SummaryDennis Group Civil Engineers focus on the land development and infrastructure for our industrial projects that involve designing and building new food and beverage process facilities. Our civil engineers have strong technical and design ability and excellent communication skills in designing land development plans, building pads, infrastructure for new buildings, landscaping, and everything from the foundation and below. Civil engineers are part of our Building Systems department and work closely with structure engineers and architects/designers. They are also involved with bid evaluation and local contractor initial contact in multiple project locations. The role is highly valuable at Dennis Group and faces engineering challenges that require strong calculation skills and for e

Hartford, CT 06105 • (42.1 miles) • Full Time • 9/26/2026

Job Title: Lead Quality Engineer*This role with fast track into a Quality Manager within 6-12 months*Job DescriptionThe Quality Assurance Engineer will support an aerospace fuel systems product line responsible for measuring and controlling fuel flow in jet engine applications through electromechanical controls. This individual will serve as the primary quality engineering resource for root cause corrective action (RCCA), non-conforming material investigations, customer quality escapes, and supplier quality issues. The role will partner closely with manufacturing, engineering, customers, and suppliers to ensure compliance with quality standards while driving continuous improvement initiatives. The ideal candidate will come from an aerospace manufacturing environment, although candidates fr

Suffield, CT 06078 • (26.9 miles) • Full Time • 9/15/2026

Metallurgical 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: LiquidPiston, Inc. is developing a fundamentally new rotary internal combustion engine based on our patented thermodynamic cycle. With applications across aerospace, defense, commercial, and industrial markets, we are redefining what’s possible in compact, efficient power generation. Join our mission to develop game-changing engine technology using advanced materials and manufacturing processes. Position Overview: LiquidPiston is seeking a Metallurgical Engineer to lead materials-focused efforts in support of engine design, development, and testing. This hands-on role is critical to enhancing performance, durability, a

Springfield, MA 01103 • (18.5 miles) • Full Time • 9/26/2026

Job SummaryAs a design build engineering firm and general contractor that designs and builds food and beverage processing facilities, Dennis Group’s Automation/Controls Engineers work closely with our process, packaging and building engineers to meet our clients’ expectations in startup, commissioning, and qualifying their food and beverage production facilities. The role requires regular onsite presence to ensure necessary diagnoses, troubleshooting, and operational startup of our client’s production lines, equipment, and facilities. Our automation & controls engineers are frequently facing engineering challenges in applying standard engineering techniques to design, develop, and maintain instrumentation or control systems. Both software and hardware design and troubleshooting skills and

Suffield, CT 06078 • (26.9 miles) • Full Time • 9/15/2026

Chief Engineer - Aerospace and Defense - LiquidPiston Location: Suffield, CT | Onsite, 5 days per week About LiquidPiston: LiquidPiston is an advanced propulsion technology company developing compact, high-efficiency engine and power system solutions for aerospace, defense, and commercial applications. Built around a patented rotary engine architecture, LiquidPiston is challenging conventional approaches to propulsion by delivering smaller, lighter, more powerful, and more fuel-efficient systems for next-generation platforms.This is an opportunity to join a team working on technology with the potential to fundamentally change how power is delivered in aerospace and defense applications. Position Summary: LiquidPiston is seeking a Chief Engineer to provide strategic and technical leadership

Springfield, MA 01103 • (18.5 miles) • Full Time • 9/22/2026

Job SummaryAs a design build engineering firm and general contractor that designs and builds food and beverage processing facilities, Dennis Group’s Automation/Controls Engineers work closely with our process, packaging and building engineers to meet our clients’ expectations in startup, commissioning, and qualifying their food and beverage production facilities. The role requires regular onsite presence to ensure necessary diagnoses, troubleshooting, and operational startup of our client’s production lines, equipment, and facilities. Our Automation/Controls Engineers are frequently facing engineering challenges in applying standard engineering techniques to design, develop, and maintain instrumentation or control systems. Both software and hardware design and troubleshooting skills and ab

Suffield, CT 06078 • (26.9 miles) • Full Time • 9/11/2026

Senior Power Electronics Engineer - LiquidPiston This role is fully onsite in Bloomfield, CT, five days per week. The company will be relocating to Suffield, CT later in 2026. About LiquidPiston LiquidPiston is revolutionizing combustion engine technology through the development of advanced rotary engines and integrated hybrid power systems. Our innovative designs aim to dramatically improve efficiency, reduce size and weight, and enable cleaner, more compact power solutions across defense, aerospace, and commercial sectors. Position Overview This role is ideal for someone who enjoys owning hardware from concept through production. While power electronics is a major part of the job, this is not a narrowly scoped “design one converter for a year” role. The right candidate is excited by the

Springfield, MA 01103 • (18.5 miles) • Full Time • 9/20/2026

The Building Electrical Group is responsible for all building electrical systems including lighting, fire protection and low voltage for our design build, industrial projects. We design and build food and beverage production facilities. Our building electrical team is involved with designing the electrical systems, calculating power loads, determining, and selecting equipment sizes, and vetting and selecting suitable vendors, suppliers, and sub-contractors. The professional will have technical responsibility for scoping, performing, and delivering multiple concurrent project assignments. His/her specific responsibilities will include, but not limited to:ResponsibilitiesDesign electrical systems for buildingpower, i.e. normal, emergency, and standby power distribution systems for 208v, 480v

Suffield, CT 06078 • (26.9 miles) • Full Time • 9/10/2026

Chief 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 LiquidPiston (LPI) is reinventing the internal combustion engine. Our patented rotary X-engine platform enables ultra-efficient, compact, and power-dense engines with applications across aerospace, defense, commercial, and mobility sectors. We’re building the future of propulsionand we’re looking for visionary leaders to join us on this journey. Position Overview As Chief Engineer, you will be at the forefront of bringing LPI’s revolutionary High Efficiency Hybrid Cycle (HEHC) rotary engine to market. Collaborating closely with company leadership, cross-functional engineering teams, and external partners, you will lead the tech

Suffield, CT 06078 • (26.9 miles) • Full Time • 10/6/2026

CNC Programmer/Prototype Machinist - LiquidPiston This role is fully onsite in Bloomfield, CT, five days per week, and the company will be relocating to Suffield, CT later in 2026. Employment Type: Hourly About LiquidPiston: LiquidPiston is developing advanced rotary engine technologies that redefine what is possible in power generation and propulsion. Our team designs and builds cutting-edge prototypes that push the boundaries of efficiency, performance, and size. We are seeking a highly skilled Prototype Machinist to support our rapid development and testing initiatives. Position Summary: The Prototype Machinist will be responsible for machining precision components for engine prototypes and test fixtures. This role requires strong CNC programming and machining experience, exceptional at

Springfield, MA 01103 • (18.5 miles) • Full Time • 9/20/2026

Job SummaryThe Building Electrical Group is responsible for all building electrical systems including lighting, fire protection and low voltage for our design build, industrial projects. We design and build food and beverage production facilities. Our building electrical team is involved with designing the electrical systems, calculating power loads, determining, and selecting equipment sizes, and vetting and selecting suitable vendors, suppliers, and sub-contractors. The professional will have technical responsibility for scoping, performing, and delivering multiple concurrent project assignments. His/her specific responsibilities will include, but not limited to:ResponsibilitiesDesign electrical systems for buildingpower, i.e. normal, emergency, and standby power distribution systems for

Springfield, MA 01103 • (18.5 miles) • Full Time • 9/20/2026

Dennis Group’s Mechanical Engineers design and implement mechanical systems as part of a broad engineering and architectural team in designing and building food and beverage production facilities. Specifically, HVAC, plumbing / utility, and fire suppression systems. Our mechanical team is involved with designing the mechanical systems, calculating space heat and cooling loads, determining and selecting equipment sizes, and vetting and selecting suitable vendors, suppliers, and sub-contractors. Mechanical Engineers will have technical responsibility for scoping, performing, and delivering multiple concurrent project assignments. You will be a member of our mechanical department and your responsibilities will include, but not be limited to:ResponsibilitiesPerform heating and cooling load cal

Springfield, MA 01103 • (18.5 miles) • Full Time • 9/20/2026

ResponsibilitiesApply extensive and diverse knowledge of principles and practices for a wide range of materials and construction techniques.Perform hand calculations and create computer analysis models for structural design tasks.Determine the correct building codeLocate any local or site-specific amendments to the building codeDocument gravity design loads, wind design loads, and seismic design loadsWork with and design common structural framing systems (steel, composite steel, joists)Work with and design common foundations systems (Spread footings, drilled piers)Estimate foundation types & sizes and preliminary steel sizesCoordinate structural work with other disciplinesReview geotechnical reportsDesign mat slabs for process tanks, vessels, and silosDesign pipe bridgesPerform take offs f

Springfield, MA 01103 • (18.5 miles) • Full Time • 9/20/2026

Dennis Group Civil Engineers focus on the land development and infrastructure for our industrial projects that involve designing and building new food and beverage process facilities. Our Civil Engineers have strong technical and design ability and excellent communication skills in designing land development plans, building pads, infrastructure for new buildings, landscaping, and everything from the foundation and below. Civil Engineers are part of our Building Systems department and work closely with Structural Engineers and Architects/Designers. They are also involved with bid evaluation and local contractor initial contact in multiple project locations. The role is highly valuable at Dennis Group and faces engineering challenges that require strong calculation skills and for experienced

Springfield, MA 01103 • (18.5 miles) • Full Time • 9/20/2026

Job SummaryDennis Group Structural Engineers ensure structures are durable and safe for our industrial projects that involve designing and building food and beverage process facilities. Our Structural Engineers have strong technical, analytical, design, mathematical, and problem-solving skills. The role is key in designing, permitting, and providing expertise in strength, stability, and stresses for various structures of our construction of new processing facilities and alterations to existing facilities. Members of our structural department have responsibilities that include, but notbelimited to:ResponsibilitiesApply extensive and diverse knowledge of principles and practices for a wide range of materials and construction techniques.Perform hand calculations and create computer analysis m

Springfield, MA 01103 • (18.5 miles) • Full Time • 9/20/2026

Job SummaryThe Building Electrical Group is responsible for all building electrical systems including lighting, fire protection and low voltage for our design build, industrial projects. We design and build food and beverage production facilities. Our building electrical team is involved with designing the electrical systems, calculating power loads, determining, and selecting equipment sizes, and vetting and selecting suitable vendors, suppliers, and sub-contractors. The professional will have technical responsibility for scoping, performing, and delivering multiple concurrent project assignments. His/her specific responsibilities will include, but not limited to:ResponsibilitiesDesign electrical systems for buildingpower, i.e. normal, emergency, and standby power distribution systems for

Springfield, MA 01103 • (18.5 miles) • Full Time • 9/17/2026

As a design/build engineering firm and general contractor that designs and builds food and beverage processing facilities, Dennis Group’s Automation & Controls Engineers work closely with our process, packaging and building engineers to meet our clients’ expectations in startup, commissioning, and qualifying their food and beverage production facilities. The role requires regular onsite presence to ensure necessary diagnoses, troubleshooting, and operational startup of our client’s production lines, equipment, and facilities. Our Automation & Controls Engineers are frequently facing engineering challenges in applying standard engineering techniques to design, develop, and maintain instrumentation or control systems. Both software and hardware design and troubleshooting skills and abilities

Springfield, MA 01103 • (18.5 miles) • Full Time • 9/15/2026

Job SummaryThe Building Electrical Group is responsible for all building electrical systems including lighting, fire protection and low voltage for our design build, industrial projects. We design and build food and beverage production facilities. Our building electrical team is involved with designing the electrical systems, calculating power loads, determining, and selecting equipment sizes, and vetting and selecting suitable vendors, suppliers, and sub-contractors. The professional will have technical responsibility for scoping, performing, and delivering multiple concurrent project assignments. His/her specific responsibilities will include, but not limited to:ResponsibilitiesDesign electrical systems for buildingpower, i.e. normal, emergency, and standby power distribution systems for

Springfield, MA 01103 • (18.5 miles) • Full Time • 9/15/2026

ResponsibilitiesHandle basic issues and problems and refer more complex issues to higher-level engineerDesign and troubleshoot both software and hardware necessary for control systems utilizing PLCs for integration of manufacturing systems.Automate manufacturing processes through the use of instrumentation or controls systems.Design, diagnose, and troubleshoot network infrastructures - Ethernet, DeviceNet, AS-i, Profibus etc.Develop new PLC applications, interfaces, or embedded controlsDevelop new or modify existing set-up and commissioning of new facilities or upgrading of existing facilitiesDesign, specify, wire, and procure control panel equipment, e.g. safety circuits, I/O, networks, etc.Design, specify, and procure electrical equipment, e.g. MCCs, panelboards, transformers, etc.Specif