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Job Description ACS System Associates Inc. is currently seeking a Estimator to join our Estimation Department as an integral part of our team. The need is for an HVAC Estimator to evaluating bid specifications and drawings, ensuring that all items required are completed in the field of duct work / piping/ ATC design in regards with HVAC systems. Must be proficient in understanding how to read all versions of CAD drawings and plans, should possess strong communication and coordination skills, and should be self-motivated and detail oriented, with initiative to deliver innovative designs. Key Duties & Responsibilities: • Prepare detailed cost estimates for all HVAC/R systems, • Work closely with Operations to determine budgeting and strategic goals, • Interface with Project Managers to ensure that projects are delivered per estimates and consistently refinine the estimating formulas, • Keep accurate database of prospective projects, • Prepare Bids and processing accordingly, • Communicate with vendors and subcontractors; to determine cost-effective solutions., • Ensure that there is proper coverage from subcontractors on bid day., • Aggressively follow-up with subcontractors to ensure that bids are received., • Ensure all bids are priced correctly by subcontractors and vendors i.e. Tax Exempt., • Confirm pricing received reflects the correct scope of work., • Review blueprints and accurately delineate the scope of work required for the project., • Consistently follow up on submitted bids and budgets with GC to close business., • Negotiate Change Orders Requirements: • Min 5 years of experience with HVAC, plumbing, and sprinkler estimating, • Bachelor's degree in Mechanical Engineering, Construction Management or related field, • Proficiency in estimating software and tools and excellent mathematical and analytical skills, • Advanced knowledge of estimating strategies and techniques, • Knowledge of estimating software programs plus proficiency with Excel, • Professional, ethical and able to maintain confidentiality, • Proven Estimating experience Why ACS: Our mission is to provide our employees with an honest and helpful working environment, where every employee individually and collectively, can dedicate themselves to providing our customers with exceptional workmanship, extraordinary service, and professional integrity. Our commitment to this mission will allow ACS System Associates Inc. to continue our success and reputation as a premier mechanical construction company. The Mechanical Construction industry is an exciting area in which to work, and we will continue working to ensure ACS System remains on the cutting edge. In an industry that is an ever-shifting structure of priorities and demands, we maintain our integrity and continue to persevere. We continue to stay disciplined, and never compromise our promise. We are diligent in our consistent effort to Assure Customer Satisfaction, Safety, and Professionalism. This commitment gives us the advantage to deliver exceptional quality projects which meet budget and schedule goals. Our Associates have continued to meet the challenges of our field and thrive. We are very proud of where we are today and excited about where we are headed. Primary Location: United States-New York-Hicksville Other Locations: United States-New York-Westbury Other Locations: United States-New York-Mount Vernon Applicants must be authorized to work in the U.S. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, protected veteran status, or any other characteristic protected by law. Company Description* With a $ 250 Million Bonding Line, ACS is a Major Player in Government and Private Construction Contracts. • Job Stability to our Team Members is ensured by Dozens of Ongoing Contracts at all times in NYC 5 Boros ,L.I, Ct and the vicinity., • We are looking forward to expand our Team to take on challenging assignments as we embark on Major Expansion., • Our Associates are our Most Valued and Greatest Corporate Asset.We seek to maximize this Asset by assisting all our Associates ,in every which way, in realizing their Highest Professional Potential.* With a $ 250 Million Bonding Line, ACS is a Major Player in Government and Private Construction Contracts.\r\n\r\n* Job Stability to our Team Members is ensured by Dozens of Ongoing Contracts at all times in NYC 5 Boros ,L.I, Ct and the vicinity.\r\n\r\n* We are looking forward to expand our Team to take on challenging assignments as we embark on Major Expansion. \r\n\r\n* Our Associates are our Most Valued and Greatest Corporate Asset.We seek to maximize this Asset by assisting all our Associates ,in every which way, in realizing their Highest Professional Potential.

Job Description iRocket is building the future of reusable launch via advanced manufacturing. We seek an Additive Manufacturing Engineer to lead the design, process development, and qualification of additively-manufactured rocket hardware. The Role • Develop, qualify, and produce additive-manufactured (AM) metal parts for propulsion, structures, and subsystems., • Optimize AM designs: design for additive manufacturing (DfAM), thermal-mechanical analysis, post-process workflows, non-destructive inspection, and certification., • Collaborate with materials, structures, manufacturing, and design teams to reduce cost, lead time, and improve performance., • Set process controls, parameter development, build-book documentation, qualification plans, and manufacturing readiness., • Bachelor’s degree in Materials, Mechanical, or Aerospace Engineering., • 2+ years of experience in metal additive manufacturing, preferably in aerospace, defense, or complex systems manufacturing., • Experience with DfAM, CAD/CAE, thermal/structural analysis, post-processing, inspection, and qualification workflows., • Familiarity with powder-bed fusion, directed-energy deposition, hot isostatic pressing (HIP), heat treatments, and AM part certification., • Health Care Plan (Medical, Dental & Vision), • Retirement Plan (401k, IRA), • Life Insurance (Basic, Voluntary & AD&D), • Paid Time Off (Vacation, Sick & Public Holidays), • Family Leave (Maternity, Paternity), • Short Term & Long Term Disability, • Wellness Resources

Job DescriptionBenefits: • 401(k), • Bonus based on performance, • Dental insurance, • Health insurance, • Paid time off Location: Long Island, New York Company: Harlequin Design New York Inc. About Us: Harlequin Design New York Inc. is a leading design and fabrication agency specializing in innovative solutions across various industries. We pride ourselves on our commitment to quality, creativity, and collaboration, creating exceptional designs that exceed client expectations. Job Description: We are seeking a talented SolidWorks Engineer to join our dynamic team. The ideal candidate will have a strong background in 3D modeling and engineering design, with a passion for creating precise and functional products. You will work closely with our design and fabrication teams to bring concepts to life and ensure the highest standards of quality and performance. Key Responsibilities: • Develop and modify 3D models and technical drawings using SolidWorks., • Collaborate with engineers and designers to translate concepts into detailed designs., • Conduct feasibility studies and simulations to optimize designs., • Prepare and maintain documentation related to design specifications and revisions., • Assist in prototyping and testing to validate designs and improve performance., • Provide technical support during the fabrication process and address any design-related issues., • Stay updated on industry trends and advancements in CAD technologies.Qualifications:, • Bachelors degree in Mechanical Engineering, Industrial Design, or a related field., • Proficiency in SolidWorks; additional CAD software knowledge is a plus., • Strong understanding of engineering principles, materials, and manufacturing processes., • Excellent problem-solving skills and attention to detail., • Ability to work collaboratively in a team-oriented environment., • Effective communication skills, both written and verbal.What We Offer:, • Competitive salary and benefits package., • Opportunities for professional development and career growth., • A creative and collaborative work environment., • The chance to work on diverse projects that make an impact.

Job Description iRocket (Innovative Rocket Technologies Inc.) is pioneering fully autonomous, fully reusable small launch vehicles to enable responsive, lower-cost access to space. We combine advanced propulsion, reuse, and sustainable propellant technologies to push the frontier of commercial space. The Role: We are seeking a Propulsion Engineer to join our propulsion team and contribute to the design, development, testing, and qualification of propulsion systems for our launch vehicles. You will work closely with integration, test, design, and manufacturing teams to bring propulsion systems from concept to flight readiness. • Support design, development, and testing of propulsion systems (e.g. liquid rocket engines, pressure-fed or pump-fed systems, component-level systems), • Participate in test campaigns, including planning, instrumentation, execution, and post-test analysis, • Develop and maintain test procedures, control sequences, and configuration files for propulsion testing, • Troubleshoot issues in propulsion subsystems (fluid, mechanical, thermal) during testing and integration, • Collaborate with cross-functional teams (mechanical, thermal, controls, electronics, systems) to ensure subsystem integration, • Perform calculations and simulations to support sizing, performance prediction, and optimization, • Support Test Readiness Reviews (TRRs), Failure Review Boards, and design reviews, • Implement continuous improvements to increase test efficiency, safety, and reliability, • Bachelor’s degree in Aerospace Engineering, Mechanical Engineering, or a related discipline, • 2+ years of experience in propulsion, test, or fluid/thermal systems development and testing, • Familiarity with liquid or hybrid rocket engine systems, fluid dynamics, thermodynamics, and heat transfer, • Experience with instrumentation, sensors, data acquisition, control systems, • Proficiency with scripting or programming (Python, MATLAB, etc.), • Ability to read and interpret engineering drawings, P&IDs, and technical specifications, • Strong problem-solving, data analysis, and communication skills, • Ability to work in multidisciplinary teams and in a fast-paced, evolving environment, • Experience with cryogenic fluids, high-pressure systems, or oxidizer/fuel systems, • Experience with CAD, simulation tools (CFD, thermodynamics, structural), or propulsion modeling, • Familiarity with propulsion test stands, plumbing, valve systems, or turbomachinery, • Experience in space, launch vehicle, or high-reliability systems, • Health Care Plan (Medical, Dental & Vision), • Retirement Plan (401k, IRA), • Life Insurance (Basic, Voluntary & AD&D), • Paid Time Off (Vacation, Sick & Public Holidays), • Family Leave (Maternity, Paternity), • Short Term & Long Term Disability, • Wellness Resources

Job Description Join iRocket for a Summer 2026 internship and get hands-on experience building reusable space-launch vehicles. Interns will be embedded in teams across propulsion, avionics, manufacturing, test, launch operations, and data. This is a chance to contribute to real hardware, real tests, and real launches. The Role • Work on meaningful projects under mentorship from senior engineers., • Contribute to hardware design, test campaigns, manufacturing workflows, data-pipelines, or launch readiness tasks., • Participate in team meetings, hardware builds, data reviews, and test/launch operations., • Currently enrolled in a Bachelor’s or Master’s program in Engineering, Computer Science, Data Science, or related technical field., • Strong academic performance, interest in space/launch, and ability to work in a fast-paced, multidisciplinary environment., • Experience with CAD, coding, data analytics, lab/test work, or manufacturing is a plus., • U.S. Citizenship or eligibility to work in the U.S. without sponsorship.

Job Description iRocket is pushing the frontier of reusable rocket propulsion. We’re looking for a Turbo Pump Engineer to design, analyze, and test turbomachinery for our reusable engines. The Role • Design, model, build, and test high-performance turbopumps (inducers/impellers/diffusers) for cryogenic rocket engines., • Perform hydrodynamic, aerodynamic, bearing, and rotor-dynamics analysis for rotating assemblies., • Develop manufacturing plans and build books, manage tolerance stack-ups, and ensure as-built compliance., • Monitor performance trends, analyze cavitation, vibration, thrust-balance, and clearance growth., • Execute root-cause investigations, iterate designs to improve cost, lead-time, and reliability., • Bachelor’s degree in Mechanical or Aerospace Engineering., • 3+ years of turbomachinery or rocket-engine component experience, including design/build/test of turbopumps or related systems., • Strong knowledge of fluid/rotordynamics, cryogenics, bearings, and rotating machine behavior., • Proficiency in CAD (Siemens NX, SolidWorks, etc.), CFD/FEA, and test instrumentation., • Experience with machined, additively-manufactured parts, weldments, fasteners, seals, and rotating assemblies., • Health Care Plan (Medical, Dental & Vision), • Retirement Plan (401k, IRA), • Life Insurance (Basic, Voluntary & AD&D), • Paid Time Off (Vacation, Sick & Public Holidays), • Family Leave (Maternity, Paternity), • Short Term & Long Term Disability, • Wellness Resources

Job Description iRocket is developing fully autonomous, fully reusable small launch vehicles to provide responsive, cost-effective access to space. Our mission is to catalyze a new era of space exploration through innovation in propulsion, structures, and sustainable launch systems. The Role: We are seeking a Mechanical Engineer to contribute to the design, development, and transition of mechanical components and systems from development through production. You’ll partner with propulsion, manufacturing, integration, and test teams to help deliver high-performance, reliable rocket hardware. • Act as Responsible Engineer for key subsystems or components (e.g., valves, mechanical assemblies), • Advance design of parts and assemblies: create CAD models, drawings, and associated documentation, • Perform mechanical analyses, calculations, and design iterations to meet performance, mass, and reliability targets, • Collaborate with manufacturing teams to ensure designs are manufacturable, and iterate designs based on feedback, • Support fabrication, post-processing, inspection, and tolerance verification of parts, • Assist with integration, assembly, and test of mechanical and propulsion subsystems, • Create schematics, document design and manufacturing processes, and maintain records, • Participate in test campaigns, support troubleshooting, and analyze results, • Communicate progress, issues, and tradeoffs clearly across cross-functional teams, • Ensure safe practices and adherence to PPE and safety standards in lab, shop, and test areas Requirements • Bachelor’s degree in Mechanical Engineering or a related engineering discipline, • 3+ years of experience in mechanical design, development, fabrication, assembly, or test, • Proficiency in CAD, • Knowledge of GD&T, tolerance design, part and assembly drawings, • Strong problem solving, analytical thinking, and collaboration skills, • Excellent written and verbal communication skills, • Ability to manage multiple tasks in a fast-paced environment, • Experience in aerospace, propulsion, or high-reliability systems, • Hands-on engineering background (design to bench to manufacturing), • Experience with simulation or analysis tools (e.g. ANSYS, FEA), • Experience scripting or using tools such as MATLAB or Python, • Health Care Plan (Medical, Dental & Vision), • Retirement Plan (401k, IRA), • Life Insurance (Basic, Voluntary & AD&D), • Paid Time Off (Vacation, Sick & Public Holidays), • Family Leave (Maternity, Paternity), • Short Term & Long Term Disability, • Wellness Resources

Job Description iRocket (Innovative Rocket Technologies Inc.) is pioneering fully autonomous, fully reusable small launch vehicles for responsive access to space. We leverage cutting-edge propulsion, reuse, and sustainable propellant technologies to make launch more frequent, lower cost, and eco-friendly. We are headquartered in New Hyde Park, NY. The Role As a Machining & Manufacturing Engineer at iRocket, you will own the development, optimization, and scaling of high-precision manufacturing processes for rocket hardware. You will work cross-functionally with design, test, supply chain, and quality teams to mature processes from prototype through production. You will report to the Senior Manager of Manufacturing Engineering. • Develop, validate, and refine machining processes (CNC turning, milling, EDM, grinding, etc.) for rocket components, • Collaborate with design engineers to ensure manufacturability, offer design for manufacturing (DFM) feedback, and propose design changes where beneficial, • Create and maintain manufacturing BOMs, process flows, work instructions, and SOPs, • Support installation, calibration, qualification, and commissioning of new machines and tooling, • Lead root cause analysis (RCA) for production issues and drive corrective and preventive actions, • Implement process controls, error-proofing, statistical monitoring, and quality gates, • Participate in manufacturability reviews and design reviews to provide input from a manufacturing perspective, • Document and drive continuous improvement in process maturity, standardization, and scaling, • Support aerospace / defense compliance efforts (e.g. AS9100, aerospace quality standards), • Occasionally support mission-critical deadlines which may require non-standard hours Requirements • Bachelor’s degree in Mechanical Engineering, Manufacturing Engineering, or a related discipline, • 3+ years of experience in machining / manufacturing engineering in aerospace, defense, or precision industries, • Strong knowledge of GD&T, tolerancing, fixtures, tooling, materials, machining best practices, • Hands-on experience developing machining processes, tooling, fixturing, • Proficiency in reading engineering drawings, specifications, and technical documentation, • Ability to work cross-functionally, strong problem solving, and data analysis skills, • Excellent communication skills (verbal and written), • Master’s degree in Mechanical or Manufacturing Engineering, • Experience with aerospace quality systems (AS9100, NADCAP, etc.), • Familiarity with additive manufacturing, welding, exotic materials, or hybrid manufacturing methods, • Experience with lean manufacturing, continuous improvement methodologies (Six Sigma, Kaizen), • Proficiency in CAD/CAM or manufacturing software (e.g. NX, SolidWorks, Mastercam, etc.), • Health Care Plan (Medical, Dental & Vision), • Retirement Plan (401k, IRA), • Life Insurance (Basic, Voluntary & AD&D), • Paid Time Off (Vacation, Sick & Public Holidays), • Family Leave (Maternity, Paternity), • Short Term & Long Term Disability, • Wellness Resources

Job DescriptionBenefits: • 401(k) matching, • Competitive salary, • Free uniforms, • Health insurance, • Develop detailed technical drawings and specifications for retail window displays and pop ups., • Ensure that all project builds are designed with Health and Safety at the forefront of your mind., • Providing Build Drawings and CNC files., • Liaising with Project Managers on project requirements and deadlines.- Work closely with the Production Team to ensure that designs can be efficiently and accurately produced. • Conduct regular quality checks on prototypes and final products to verify accuracy and adherence to design specifications., • Participate in meetings with clients to present technical drawings and discuss project requirements. • Work closely with the design team whilst designing a project for a client. Ensuring that what is designed is achievable in project guidelines, budgets and timelines - whilst also thinking about whats best for the client., • Identify opportunities to streamline processes, improve efficiency, and enhance the overall quality of drafting work., • Proactively seek feedback and implement best practices to support ongoing learning and professional development.Qualifications: • 5+ years of experience in technical drafting for retail window displays and pop ups., • Must use SolidWorks or Inventor, • Proficiency in CAD software such as SolidWorks or Rhino., • Strong understanding of manufacturing processes and materials. • Excellent management skills with the ability to prioritize tasks and meet deadlines., • Detail-oriented mindset with a focus on quality assurance and continuous improvement.- Strong communication and interpersonal skills to collaborate effectively with cross-functional teams. • Ability to problem solve and troubleshoot technical issues as they arise., • Knowledge of health and safety regulations in the retail industry. If you have a passion for creative design and a strong technical background, we invite you to apply for this exciting opportunity to lead a dynamic team in designing innovative retail displays.

Job DescriptionBenefits: • 401(k), • Bonus based on performance, • Company car, • Opportunity for advancement, • Paid time off, • Profit sharing Responsibilities • Review project plans, specifications, and site information to develop accurate material and labor estimates., • Design low-voltage systems including CCTV, access control, intrusion alarms, intercoms, and structured cabling layouts., • Prepare proposals, scope of work documents, and bill of materials., • Collaborate with sales, project management, and field technicians to ensure designs are practical and cost-effective., • Conduct site surveys when necessary to verify existing conditions., • Identify potential project risks and recommend value-engineering solutions., • Stay up to date on industry trends, product lines, and code requirements. Desired Experience • 3+ years of experience in low-voltage estimating and/or system design., • 3+ years, CAD proficient, product-certified, • Strong understanding of security, surveillance, and structured cabling systems., • Ability to read and interpret blueprints, floor plans, and technical documents., • Excellent communication and organizational skills., • Self-motivated with the ability to work independently and in a team. Preferred Skills • Knowledge of BICSI, NEC, and other relevant standards., • CAD drafting skills for detailed system drawings. Compensation & Benefits • Competitive salary based on experience., • Project Win Bonus, • Paid time off and holidays., • Opportunities for professional growth and certification training.

Job DescriptionPower-Flo Technologies is seeking a motivated individual to join our team as an HVAC Controls Technician. We are a two location temperature controls distributor specializing in providing engineering, materials, and startup assistance for temperature control systems. We are looking for someone to work independently in the field to startup, service, and support these systems in coordination with our in-house engineering team. What Will Make You Successful in This Role? • Experience and certification with programming either Johnson FX controllers (CCT) (preferred), Honeywell Spyder, and/or Niagara AX/N4 (any brand)., • Experience with ACAD, or similar CAD software., • Knowledge of industry-standard communication protocols such as BACnet MSTP, BACnet IP, Niagara, JCI N2, Modbus, Lon, Etc., • Niagara N4 certification., • 3 years of building automation experience required., • Strong understanding of commercial HVAC systems operations., • Ability to read mechanical prints and schematics., • Ability to work independently and in a team setting., • Basic knowledge regarding use of a PC (Microsoft Word, Excel, Outlook)., • Competent with the use of electrical test equipment, i.e., Multi meter, shop tools, hand tools, pneumatic tools., • Mechanical aptitude required., • The ability to troubleshoot basic electric and electronic circuitry including reading and interpreting electrical and electronic diagrams., • Valid and clean NYS Driver's License to operate company vehicles., • Ability to Stand for 8 Hours, • Ability to lift 50 pounds, • Ability to work on elevated platforms, • Ability to climb ladders, • This position may require standing, stooping, bending, kneeling, crouching and/or reaching Salary Range: $60,000 – $100,000/year Benefits • Health Insurance (medical, dental, vision), • PTO Program and Paid Holidays, • 401K, • EAP We are an equal opportunity employer. Applicants must be authorized to work for ANY employer in the US. We are unable to sponsor or take over sponsorship of employment Visa currently. Power-Flo Technologies and its subsidiaries participate in the USCIS E-Verify Program to verify that all new hires are authorized to work in the United States. Power-Flo Technologies is a unique Family of Companies consisting of distributors, fabricators, manufacturers and motor and pump repair firms serving the New York metropolitan and New England areas. We are a Master Distributor and Manufacturers Representative with REAL SYSTEMS SOLUTIONS.

Job DescriptionPower-Flo Technologies is seeking a motivated individual to join our team as an HVAC Controls Mechanic. We are a two location temperature controls distributor specializing in providing engineering, materials, and startup assistance for temperature control systems. We are looking for someone to work independently in the field to startup, service, and support these systems in coordination with our in-house engineering team. What Will Make You Successful in This Role? • Experience and certification with programming either Johnson FX controllers (CCT) (preferred), Honeywell Spyder, and/or Niagara AX/N4 (any brand)., • Experience with ACAD, or similar CAD software., • Knowledge of industry-standard communication protocols such as BACnet MSTP, BACnet IP, Niagara, JCI N2, Modbus, Lon, Etc., • Niagara N4 certification., • 3 years of building automation experience required., • Strong understanding of commercial HVAC systems operations., • Ability to read mechanical prints and schematics., • Ability to work independently and in a team setting., • Basic knowledge regarding use of a PC (Microsoft Word, Excel, Outlook)., • Competent with the use of electrical test equipment, i.e., Multi meter, shop tools, hand tools, pneumatic tools., • Mechanical aptitude required., • The ability to troubleshoot basic electric and electronic circuitry including reading and interpreting electrical and electronic diagrams., • Valid and clean NYS Driver's License to operate company vehicles., • Ability to Stand for 8 Hours, • Ability to lift 50 pounds, • Ability to work on elevated platforms, • Ability to climb ladders, • This position may require standing, stooping, bending, kneeling, crouching and/or reaching Salary Range: $60,000 – $100,000/year Benefits • Health Insurance (medical, dental, vision), • PTO Program and Paid Holidays, • 401K, • EAP, • ESOP (Employee Stock Ownership Plan) We are an equal opportunity employer. Applicants must be authorized to work for ANY employer in the US. We are unable to sponsor or take over sponsorship of employment Visa currently. Power-Flo Technologies and its subsidiaries participate in the USCIS E-Verify Program to verify that all new hires are authorized to work in the United States. Power-Flo Technologies is a unique Family of Companies consisting of distributors, fabricators, manufacturers and motor and pump repair firms serving the New York metropolitan and New England areas. We are a Master Distributor and Manufacturers Representative with REAL SYSTEMS SOLUTIONS.

Prepare detailed drawings, specifications, and construction documents using CAD software. Monitor construction processes and ensure compliance with design specifications and safety standards.