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.

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.

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.

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.

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.

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.

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.

Support design, prototyping, and testing of mechanical components for a small-scale AS/RS robotic inventory system. Create and maintain CAD models, drawings, and BOMs; assist hardware/software integration; perform hands-on prototyping and troubleshooting under senior engineer guidance while iterating on manufacturable designs.

Design, prototype, and test mechanical components for small-scale AS/RS and robotic systems. Integrate hardware and software, create CAD models, technical drawings, and BOMs, ensure manufacturability and assembly, perform hands-on experiments and iterative troubleshooting, and support the product lifecycle from concept through production.

Leads complex mechanical engineering projects from scope definition through completion with minimal oversight. Responsibilities include developing studies and schematic designs, analyzing existing systems, applying building codes, coordinating project documents, managing budgets and contractor payments, supervising multidisciplinary design teams, and mentoring junior engineers. The role also requires client interaction, quality assurance, technical leadership, and managing multiple concurrent projects.

Leads complex mechanical engineering projects from conception through completion with minimal oversight. Develops scopes, studies, schematic designs, budgets, and construction documents; analyzes existing systems and applies building codes. Coordinates with clients, contractors, code officials, and design professionals, while managing scope, schedules, quality, and project teams. Provides technical leadership, staff supervision, mentorship, and review of project work and contractor payment applications.

Reflex Robotics seeks experienced Mechanical Engineers to build low-cost humanoid robots, emphasizing system understanding, hands-on experience, and robust production hardware. You'll join a small, high-ownership team aiming to reshape robotics.

The Design Engineer will manage MEP and HVAC design processes for projects, ensuring energy efficiency and user satisfaction from concept to completion, while mentoring juniors and collaborating with teams.

The Supervising Mechanical Engineer will oversee design, QA/QC processes, and collaborate with clients and project teams, while managing CAD/BIM staff.

The Supervising Mechanical Engineer will oversee project teams, supervise system designs, manage client interactions, and participate in budgeting and staff evaluations.

Senior mechanical engineer and project manager responsible for designing and optimizing large-scale cooling systems and central energy plants. Performs heat-load calculations, equipment selection, field surveys, testing, troubleshooting, and construction-document preparation. Coordinates with clients, architects, electrical engineers, contractors, and internal teams while ensuring compliance with building codes and company standards. Maintains client relationships and supports construction administration and project delivery.

Perform QA/QC of specifications, drawings and calculations; ensure code compliance; lead equipment selection and HVAC/fire protection design; write specs, reports and life-cycle cost analyses; modify controls and sequences; mentor designers; attend bid meetings and site visits; develop and monitor work plans.

The Senior Mechanical Engineer will lead design and execution of mechanical systems for data centers, overseeing projects and mentoring junior engineers while ensuring client engagement and project quality.

Lead the design, modeling, and coordination of mechanical systems for AI-driven data centers, ensuring energy efficiency and compliance with standards.

Serve as technical lead on mechanical projects—design HVAC and plumbing systems, perform thermal and fluid analysis, select equipment, ensure code compliance, coordinate with disciplines, provide construction administration and field support, and perform facility condition assessments and asset planning.

Design and support mechanical and piping systems for hyperscale data centers from concept through construction. Responsibilities include developing standards, evaluating equipment, reviewing consultant designs, ensuring code compliance, coordinating with utilities and construction partners, supporting permitting and site work, and improving project cost, quality, schedule, and consistency.

Lead mechanical engineering design and execution for multiple capital projects from concept through construction administration. Responsibilities include developing calculations, technical reports, drawings, and specifications; directing and reviewing engineering staff; coordinating multidisciplinary teams; communicating with clients; conducting field surveys; reviewing submittals, RFIs, and change orders; and ensuring technical quality, budgets, and deadlines. Projects primarily involve healthcare, government, military, laboratory, corrections, and infrastructure facilities.