Mechanical Engineer Intern Jobs in Rosedale, NY (NOW HIRING)

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 teams, clients, and junior technical staff.

The successful candidate will support the planning, design, and delivery of mechanical building systems for a diverse portfolio of public and private sector projects. This position will contribute to high-quality, code-compliant solutions from early design through construction while supporting client relationships, technical coordination, and staff development.

Experience 7+ years Location New York, NY Core Focus HVAC / Mechanical Systems Required Credential PE License

Key Responsibilities

Plan, design, and deliver HVAC and mechanical systems for building-focused projects.

Develop mechanical design concepts and perform engineering calculations, system sizing, and equipment selections.

Prepare construction documents, design reports, technical specifications, and cost estimates.

Perform HVAC load calculations, energy modeling, ventilation analyses, life-cycle cost evaluations and code compliance reviews.

Coordinate with architects, structural engineers, electrical engineers, plumbing/fire protection engineers, and other project stakeholders.

Support project leadership activities, including scope development, scheduling, budgeting, and resource planning.

Lead mechanical tasks and workstreams while coordinating deliverables across multidisciplinary project teams.

Meet with clients to discuss project requirements, present technical recommendations, and support resolution of design issues.

Mentor and guide junior engineers, designers, and BIM/Revit staff.

Stay current with evolving building technologies, energy codes, decarbonization strategies, and industry best practices.

About STV Buildings

STV's Buildings Division provides integrated engineering, architecture, planning, and construction management services for both public agencies and private-sector clients nationwide.

Transit terminals and transportation facilities

Maintenance and operations facilities

Commercial and mixed-use developments

Healthcare and public health facilities

Higher education and K-12 campuses

Government and municipal facilities

Public safety, law enforcement, and correctional facilities

Industrial and manufacturing facilities

Required Qualifications

Bachelor's Degree in Mechanical Engineering from an accredited institution.

Professional Engineer (PE) license required. Minimum of 10 years of relevant experience in HVAC and mechanical systems design for commercial, industrial, municipal, institutional, transportation, and government facilities.

Demonstrated experience leading mechanical design tasks or projects and mentoring junior technical staff.

Strong knowledge of HVAC systems, chilled water and heating hot water systems, ventilation and exhaust systems, building automation and controls coordination, and energy-efficient building systems.

Proficiency with Revit and BIM-based design workflows, including 3D mechanical modeling.

Experience using HVAC load calculation and energy modeling software.

Competency with Microsoft Office Suite, including Word and Excel.

Working knowledge of ASHRAE standards and guidelines, NFPA standards, building codes, mechanical codes, energy codes, and applicable local/state requirements.

Experience preparing specifications, technical reports, construction documents, calculations, and cost estimates.

Strong verbal and written communication skills with the ability to coordinate effectively with clients, agencies, and project stakeholders.

Preferred Qualifications

Focused experience with federal, state agency, local municipal, transportation, or public-sector facility projects.

Experience with decarbonization, electrification, net-zero, and high-performance building initiatives.

Experience with computational energy analysis, building performance modeling, and commissioning support.

Experience with Bentley OpenBuildings Designer or related Bentley 3D/BIM applications.

Why STV

Join a collaborative team delivering some of the region's most complex and impactful building and infrastructure projects. At STV, you will work alongside experienced professionals, contribute to technical design strategy, mentor emerging talent, and help clients achieve innovative, sustainable, and resilient building solutions.

This position is ideal for a mechanical engineer ready to take on a visible technical role with meaningful project, client-facing, and mentorship responsibilities while contributing to the continued growth of STV's Buildings practice

Compensation Range:

STV offers the following benefits Health insurance, including an option with a Health Savings Account Dental insurance Vision insurance Flexible Spending Accounts (Healthcare, Dependent Care and Transit and Parking where applicable) Disability insurance Life Insurance and Accidental Death & Dismemberment 401(k) Plan Retirement Counseling Employee Assistance Program Paid Time Off (starting at 16 days) Paid Holidays (9 days) Back-Up Dependent Care (up to 10 days per year) Parental Leave (up to 80 hours) Continuing Education Program Professional Licensure and Society Memberships

STV is committed to paying all of its employees in a fair, equitable, and transparent manner. The listed pay range is STV's good-faith salary estimate for this position. Please note that the final salary offered for this position may be outside of this published range based on many factors, including but not limited to geography, education, experience, and/or certifications.

Not sure this role is the perfect match? We encourage you to apply if STV's work and values resonate with you. We know great candidates don't always meet every qualification, and research shows women and people of color are less likely to apply unless they do. At STV, we believe strong talent comes from a wide range of backgrounds, and your skills and experience may align with this or another opportunity as we continue to grow.