Top Mechanical Engineering Jobs in NYC, NY

Design and manage CAD models, revisions, and bills of materials for physical products manufactured in-house. Develop prototypes, apply design-for-manufacturing expertise, and support the transition from rapid development to production. Collaborate with hardware, robotics, software, and field operations teams while improving engineering collaboration and CAD standards.

Entry-level mechanical engineer supporting the design, modeling, documentation, and calculation of building systems, including HVAC, plumbing, fire protection, and energy modeling. Responsibilities include developing mechanical layouts, performing thermal simulations, interpreting plans and codes, assisting with construction administration, and using Revit and AutoCAD under the guidance of project leads.

Participate in a 10–12 week sustainable building design internship. Support mechanical engineering teams with CAD and Revit, energy modeling, design calculations, HVAC and plumbing layouts, specifications, cost estimates, construction administration, commissioning, site observations, and energy and water data analysis.

Leads complex mechanical engineering projects involving HVAC, plumbing, cooling systems, CFD modeling, load calculations, equipment sizing, and high-density infrastructure design. Oversees project scope and schedules, performs QA/QC reviews, develops Revit construction documents, coordinates multidisciplinary designs, presents engineering solutions to clients, mentors staff, and conducts training.

Design, analyze, integrate, test, and support mechanical systems for aerospace platforms across the full product lifecycle. Responsibilities include avionics packaging, harnessing, connector selection, structural design, CAD, engineering calculations, prototyping, production support, troubleshooting, and field operations. Collaborate with Manufacturing, Supply Chain, Quality, Program Management, and external suppliers to deliver reliable, buildable, and mission-ready hardware.

Designs and manages mechanical and HVAC engineering projects, including boiler and chiller plants, HVAC systems, load calculations, energy modeling, BIM models, construction documents, specifications, equipment selection, code reviews, and discipline coordination. The role includes assigning work, managing project schedules and budgets, conducting site inspections, reviewing shop drawings and submittals, coordinating with architects and contractors, and serving as project manager for smaller projects.

Lead supplier development for machined parts: audit and improve supplier processes, perform on-site quality investigations, support NPI, provide technical guidance on specifications and manufacturing, monitor supplier performance, and mitigate supply chain risks to enable scalable aerospace production.

Entry-level mechanical engineers design and coordinate HVAC, plumbing, and fire protection systems for building fit-outs, base buildings, and infrastructure upgrades. Responsibilities include preparing riser diagrams, schedules, and floor plans; coordinating distribution systems and equipment rooms; reviewing shop drawings; conducting site visits and punch lists; and performing basic sprinkler and pipe-sizing calculations under senior supervision.

Supports mechanical engineering teams with design documentation, AutoCAD and Revit drawings, design calculations, system sizing, field investigations, and construction site visits. Participates in technical education sessions and collaborates with engineers on building systems projects. The role is intended for a mechanical engineering student who has completed at least two years of study and wants hands-on consulting engineering experience.

Supports senior engineers with mechanical design, CAD/BIM drafting, engineering calculations, multidisciplinary coordination, system upgrades, field investigations, and construction site visits. Participates in the Engineering Development Training program and continuing education while developing architectural engineering design and documentation skills.

Lead process engineering design and execution for mining, mineral processing, material handling, and heavy industrial facilities. Develop PFDs, P&IDs, calculations, specifications, and equipment designs; coordinate multidisciplinary teams; oversee quality, safety, commissioning, and client expectations. Support proposals, business development, client relationships, conferences, and project pursuits. Mentor engineers and establish engineering standards and best practices. Regular travel to offices, project sites, and industrial facilities is expected.

Designs and develops pharmaceutical drug-delivery devices and platforms using CAD, prototyping, testing, tolerance analysis, and Design for Manufacturing principles. Collaborates with internal teams, external consultants, CROs, and manufacturing partners to troubleshoot products, support design controls, build intellectual property, and transfer devices into production. Manages project budgets and timelines while serving as a technical resource for cross-functional teams.

Lead multidisciplinary mechanical engineering teams and multiple Justice + Civic projects, overseeing design quality, construction documents, budgets, schedules, deliverables, and client expectations. Coordinate with architects, engineers, consultants, vendors, and owners; review interdisciplinary designs; guide staff on justice facility requirements; and support business development, RFPs, client interviews, and relationship management. Apply expertise in smoke control, mechanical and plumbing systems, security integration, facility operations, building codes, and sustainable design standards.

Leads the design, prototyping, testing, commissioning, and continuous improvement of direct air capture process equipment and pilot plant systems. Responsibilities include CFD and FEA analysis, equipment installation and validation, test rig development, technical documentation, safety reviews, project budgeting and scheduling, vendor coordination, and oversight of junior engineers and designers.

Embed with enterprise customers to solve mechanical engineering data, integration, and workflow challenges across PLM, ERP, QMS, and design systems. Implement AI-enabled CoLab workflows, validate AI-generated engineering results, identify product gaps, and develop scalable documentation and playbooks. Partner with technical program managers, software engineers, product teams, and customer stakeholders to lead technical projects and improve engineering decision-making.

Provides mechanical engineering expertise for HVAC, refrigeration, plumbing, cooling towers, and building water systems. Reviews technical plans, conducts field inspections, identifies waterborne disease risks, performs root cause investigations, develops water safety guidance and procedures, and collaborates with engineers, scientists, stakeholders, and regulators to support public health compliance.

Own mechanical product development from concept and CAD through prototyping, qualification, and production transfer. Design rugged, safety-critical assemblies; define mechanical safety architecture; specify materials, tolerances, finishes, and fasteners; build prototypes; create manufacturing packages; execute environmental and mechanical qualification testing; and manage BOM, weight, and center-of-gravity budgets while collaborating with hardware and software engineers.

Create production-ready mechanical designs using SolidWorks, including 3D CAD models, technical drawings, dimensions, tolerances, and manufacturing specifications. Revise designs, reverse engineer products, assess materials and manufacturability, calculate mass, and identify design risks. Develop engineering improvements, maintain accurate documentation, support multiple projects, and meet deadlines while working independently with US-based engineering teams.

Supports mechanical engineering for data center facilities, including hardware design, control sequence programming, troubleshooting, repairs, documentation, and stakeholder updates. Collaborates with cross-functional teams to maintain reliable infrastructure operations and applies knowledge of mechanical systems, thermodynamics, CAD, and CFD. The remote role includes occasional data center visits, approximately 10% travel, and occasional work outside normal business hours.

Conducts laboratory mechanical and materials testing, field testing, structural monitoring, and non-destructive evaluations. Installs sensors and data acquisition systems, analyzes test data, prepares technical reports, performs site inspections, manages projects, develops business opportunities, and communicates findings to clients and stakeholders.

Performs piping flexibility and stress analysis, pipe support design, finite element analysis, and static equipment design for oil, gas, and LNG projects. Prepares calculations, drawings, specifications, bid evaluations, and technical documentation. Reviews supplier data, coordinates with multidisciplinary project teams, directs designers and drafters, and provides field verification and mechanical execution support.

Lead design and delivery of mechanical HVAC and plumbing systems from concept through construction, perform load and energy modeling, conduct QA/QC and technical reviews, mentor staff, produce Revit models and construction documents, and support construction administration and site visits.

Leads mechanical engineering design projects and supervises design professionals. Produces and reviews complex HVAC systems, schematics, layouts, specifications, calculations, equipment selections, energy models, and control sequences. Oversees project execution, construction administration, shop drawings, field observations, client relationships, budgets, schedules, staff development, and business development. Serves as a senior technical authority and project-management leader.

Leads mechanical engineering design projects and supervises design professionals. Oversees schematics, layouts, calculations, equipment selections, specifications, construction administration, shop drawings, field observations, client relationships, budgets, schedules, and staff development. Provides advanced HVAC system design, controls, code compliance, energy modeling, and technical direction while supporting project management, business development, and organizational leadership.

Mechanical Engineer Interns support the design and management of resilient trading floors, data centers, and office infrastructure. Responsibilities include researching and implementing sustainable engineering solutions, analyzing infrastructure and communication topology, integrating engineering requirements into designs, visiting project sites, documenting field conditions and progress, planning design capacity, and collaborating with technical and non-technical teams. The role emphasizes learning, engineering judgment, AI-assisted efficiency, sustainability, and communication.