Mechanical Engineer
Combined Systems, Inc.
About the Company Founded in 1981, Combined Systems, Inc. (CSI) is the recognized leader in the design, manufacture, and marketing of security products for global defense and law enforcement markets. CSI is the premier supplier of less-lethal munitions and launching systems, serving riot control, police tactical teams, corrections officers, and military units worldwide. Our blue-chip customer base includes the U.S. Army, U.S. Marine Corps, U.S. Navy, and a majority of U.S. law enforcement agencies, as well as foreign military and security forces. Position Summary The Mechanical Engineer supports the design, development, testing, and production of lesslethal munitions, pyrotechnic devices, tactical launchers, and precisionengineered defense components. This is not a siloed design role: the engineer is accountable for how CSI products are built, how they perform in the field, and how the manufacturing processes that produce them are controlled and improved over time. This role focuses on mechanical design, product reliability, manufacturing support, and continuous improvement within a highmix, defensegrade production environment. Key Responsibilities Mechanical Design — Create and refine 3D models, assemblies, and detailed drawings for munitions, launchers, and mechanical subsystems. Engineering Analysis — Perform stress, thermal, vibration, and tolerance analyses to ensure product performance and safety. Prototype Development — Build and evaluate prototypes; conduct iterative design improvements based on test data. Testing & Validation — Develop and execute test plans for ballistic, environmental, and functional evaluations. Apply statistical process control and data-driven decision making to monitor process capability, reduce scrap, and identify automation opportunities. Manufacturing Support — Troubleshoot production issues, optimize manufacturability, and support tooling and fixture design. Documentation — Generate BOMs, specifications, ECNs, and technical reports in accordance with internal and defenseindustry standards. CrossFunctional Collaboration — Work closely with R&D, chemistry, ballistics, quality, and production teams to support new product introduction and continuous improvement. Compliance & Safety — Ensure designs meet applicable NIJ, ATF, DoD, and internal safety requirements for energetic and pressurebearing systems. Supplier Interaction — Evaluate vendor components, materials, and manufacturing capabilities. Qualifications Bachelor’s degree in Mechanical Engineering or a closely related field. Proficiency with CAD software (SolidWorks required). Strong understanding of mechanical design principles, GD&T, and manufacturing processes. Working knowledge of statistical process control, data-driven decision making, and measurement system capability. Ability to perform engineering calculations and interpret test data. Experience working in a manufacturing or productdevelopment environment. Strong communication, documentation, and problemsolving skills. Ability to work handson with prototypes, test equipment, and production tooling. Proficiency with the Microsoft Office suite (Word, PowerPoint, Excel). Self-starter with good time management skills and a willingness to communicate proactively. Preferred Experience but Not Required Experience with energetic materials, pyrotechnics, or pressurebearing mechanical systems. Background in defense, aerospace, or munitions manufacturing. Familiarity with ballistic testing, environmental testing, or reliability engineering. Knowledge of Lean manufacturing, DFMA, or continuousimprovement methodologies. Experience designing tooling, fixtures, or test equipment. Exposure to regulatory compliance for defenserelated products. Project management experience or formal training. Requirements Ability to pass preemployment drug screening Ability to pass an ATF criminal background check Ability to pass random drug screenings Must have reliable transportation. Why Join CSI? Competitive pay with opportunities for performancebased increases. Work for a respected global leader serving defense and law enforcement markets. Stable, longterm career opportunities in a growing organization. ISOcertified facility emphasizing quality, safety, and innovation. Enjoy a consistent 8hour shift, Monday through Friday from 7:30am to 4:00pm in a climatecontrolled manufacturing environment designed for yearround comfort. Most work is performed seated, while handson training and clear, structured processes support efficiency, safety, and longterm success. Our comprehensive benefits package includes paid time off (PTO), paid holidays, medical coverage with an HRA BuyUp Plan option (you pay the premium, we pay the bills), dental and vision insurance, a 401(k)-retirement plan. Eligible for year end bonus based on individual contributions to the success of the company and tied to overall company performance. #J-18808-Ljbffr Combined Systems, Inc.
$120k - $140k
Commissioning Engineer (Mechanical / HVAC)Location: Mount Vernon, NY (Projects throughout NYC)Salary:$120,000-$140,000Job Type: Full-TimeAbout the RoleWe're partnering with a growing mechanical contractor to hire a Commissioning Engineer who will oversee the startup, testing...SuggestedFor contractorsWork at office- ...Job Description Job Description HVAC Specialist / Building Engineer (Commercial – Non-Union) We are seeking a highly skilled... ...preventive maintenance and repairs on HVAC systems and related mechanical equipment Operate and maintain a rooftop cooling tower servicing...SuggestedWork at office
$84.7k - $144.43k
...communities, and our planet. If this sparks your interest, you’re in the right place.DLR Group has an opening for a Senior Mechanical Controls Engineer. Position SummaryAs part of the engineering team at DLR Group you will be responsible for the design of control systems...SuggestedWork at officeLocal area$125k - $150k
Company DescriptionSenior Project Engineer, HVAC Control SystemsValhalla, USA-NY or Los Angeles, USA-CAFull-timeAt Ramboll, you will... ...coordinate activities with other disciplines as neededMentor mechanical engineers and assist with training on controls design and development...SuggestedFlexible hours$152k - $230k
...abstract ideas into realities that transform the world for good. Your impact Jacobs is seeking a dynamic and experienced Senior Mechanical Engineer with Tunnel Ventilation/HVAC Professional Engineer to join our team in New York City. What You'll Do:Perform and supervise...SuggestedFull timeWork at officeRemote work$806.5 - $2,245.5 per month
...everywhere & always. Want in? Join the #VTeamLife.What you’ll be doing…You’re an expert with HVAC, plumbing, electrical and even building mechanicals… and if there’s a maintenance problem with our building, you’ve got it covered! Your know-how and commitment to excellence will...Full timePart timeWork experience placementMonday to FridayShift workWeekend workAfternoon shift$110k - $130k
Company DescriptionSenior Mechanical HVAC Engineer49 Court Street Suite 120, Binghamton, New York, United StatesFull-timeRamboll in AmericasFounded... ...Ramboll in the AmericasRamboll is a global architecture, engineering, and consultancy company. As a foundation-owned people...Work at officeNight shift$95.99k - $187.68k
...entails being responsible for the production and modification of AC & DC Traction Power design calculations, technical reports, engineering plans and specifications for assigned projects. This position consults with the project manager to perform research, development,...Full time$102.9k - $141.5k
...great optimism and focus. We don’t settle until we give our best and know that we’re making a difference. We're looking for a Mechanical Engineer in Syracuse, NY who is excited about working on advanced facilities projects that enable the heart of our clients’ business....Full timeRemote workFlexible hours$149.67k - $171.05k
STV's Buildings Division is seeking a Mechanical Engineer to join our New York City office.This role is ideal for an experienced mechanical engineer with strong HVAC design capabilities, project leadership experience, and the ability to collaborate closely with multidisciplinary...Full timeWork at officeLocal areaFlexible hours- Job Requirements Quest Global delivers world-class end-to-end engineering solutions by leveraging our deep industry knowledge and... ...characteristics and skills:What You will Do:Design and develop mechanical components and assemblies for smart glasses and wearable devices...Full timeTemporary workInternshipFlexible hours
$128.28k - $187.41k
...with Syska Hennessy Group! As a global leader in consulting, engineering, and commissioning services, we specialize in highly technical... ...that bring them to life. We are seeking a Supervising Mechanical Engineer - CF to join our team in New York office. As a Supervising...For contractorsWork at officeRemote workWork from homeFlexible hours$112.6k - $212.7k
...being empowered to make your mark on every project, in your studio, your community—and the world at large. Your Role Mechanical Engineers at frog deliver innovative design solutions for our clients. These responsibilities cover all phases of product development,...Full timeLocal areaFlexible hours$128.28k - $187.41k
...with Syska Hennessy Group! As a global leader in consulting, engineering, and commissioning services, we specialize in MEP, information... ...and commissioning. We are seeking an experienced Supervising Mechanical Engineer to join our team in New York, NYOur dynamic work...For contractorsWork at officeRemote workWork from homeFlexible hours$80k - $135k
...specific “Request for Information” (RFI) documentation to System Engineer, Project Manager and Engineering Manager. Follow sequence... ...integration issues. Requirements Bachelor’s degree in Mechanical Engineering, Electrical Engineering or Computer Science is preferred...Temporary workLocal area- A notable real estate investment trust located in New York City is seeking an Engineer to join their Engineering team. The ideal candidate will assist in implementing mechanical operations and energy management programs, ensuring optimal performance of building systems....Full timeFor contractorsWork at office
- Durst Organization seeks an experienced engineer for VIA 57 West, a residential tower on the West Side of Manhattan. The role covers startup, maintenance and repair of MEP systems in a multi-building campus setting, with a focus on safety and reliability. The candidate...
$140k - $175k
...core of every business process. Join our mission to make processes work for people, companies, and the planet.Senior Applied Value Engineer - Automotive ManufacturingRole DescriptionAs a Senior Applied Value Engineer, you will push the envelope in solving business-...Full timeWork experience placementWork at officeLocal areaImmediate startRemote workWorldwideFlexible hoursShift work- New York City Children’s Center in New York City is seeking a Plant Utilities Engineer 1 to operate, maintain, and repair HVAC and mechanical equipment across the campus. The role involves boiler maintenance, testing, and responding to mechanical, electrical, or plumbing...ApprenticeshipWork at office
- Sargent Lundy in Pennsylvania is seeking an experienced engineer in nuclear power plant systems design. The role involves preparing modification... ...packages and leading project teams, requiring a BS or MS in Mechanical or Chemical Engineering and at least 10 years of experience....
$110k - $140k
Company DescriptionSenior Mechanical Engineer, Energy Systems333 West Washington St, Syracuse, United StatesFull-timeApplicants must be currently authorized to work in the United States on a full-time basis. No sponsorship is available for this position.Inviting Bright...Full timeWork at officeNight shift- OMERS / Oxford Properties Group is seeking a Building Engineer in New York, NY. The role covers operation and maintenance of building systems, with a focus on HVAC, electrical and plumbing, and energy efficiency. A universal EPA 608 certification and NYC Refrigeration...Flexible hoursNight shift
- The Brooklyn Navy Yard Development Corporation is looking for a Building Engineer (HVAC) in New York City. Responsibilities include operating and maintaining HVAC systems, ensuring compliance with safety regulations, and managing work orders. Ideal candidates should possess...Full time
$150k - $190k
GFT is seeking a Sr. Mechanical Engineer with a strong interest in mechanical systems to lead mechanical designs. Market sector concentrations may include K-12 and Higher Education, Federal, Aviation, Food and Beverage, and Transportation. This position is located in New...Full timeWork experience placementRemote work- ABM Industries is seeking a Building Engineer to support daily operations of all building systems at 401 North Broad St. The role covers HVAC, mechanical and electrical systems, basic carpentry and repair, and responding to customer requests. Must be available nights and...Night shiftWeekend work
- ...Job Description Job Description Description: Kinsley Power Systems is seeking an Industrial Sales Engineer to add to their team! The Industrial Sales Engineer's main objective is to sell industrial power generation applications including related equipment (transfer...Contract workFor contractorsWork at officeFlexible hoursNight shift
- Brooklyn Navy Yard Development Corporation is seeking a full-time Building Engineer to operate, maintain, and repair HVAC systems. The role includes routine inspections, managing work orders, and ensuring compliance with safety standards. Essential qualifications include...Full time
- EMCOR Government Services is seeking a part-time Building Engineer for the U.S. Holocaust Memorial Museum account in Washington, DC. The role monitors all major mechanical systems, responds to fire alarms, and assists the Fire Department. The position requires strong communication...Part timeLocal areaWeekend work
- Jones Lang LaSalle Incorporated is seeking a Building Engineer to maintain and enhance the operation of commercial buildings in New Stanton, PA. This on-site role focuses on HVAC, electrical, plumbing, and structural systems while ensuring client safety and comfort. You...
- Sargent Lundy, based in Pennsylvania, is looking for an experienced engineer to design nuclear power plant systems and lead engineering... ...energy. A minimum of 12 years of experience and a degree in Mechanical or Chemical Engineering are required. Competitive salary and comprehensive...Work at officeRemote work
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