Mechanical Engineer

Job Title: Mechanical Engineer

Job Description

The Mechanical Engineer will lead the design and delivery of complex HVAC, plumbing, and fire protection systems for a wide variety of building projects. This role combines hands-on technical design, project management, team leadership, and client-facing responsibilities within a collaborative, full-service design/build environment. The position offers the opportunity to work on diverse and challenging projects from concept through completion while mentoring junior engineers and contributing to business development efforts.

Responsibilities

• Lead the design of HVAC systems, including ductwork, piping, and controls, for a variety of project types across public and private sectors.

• Perform detailed heating and cooling load calculations to ensure HVAC systems operate efficiently and comply with industry standards.

• Design all aspects of HVAC systems, including cooling plants, chillers, heating plants, pumping systems, equipment sizing, and equipment selection.

• Oversee multiple projects from concept to completion, ensuring adherence to budgets, timelines, and quality standards.

• Manage and mentor a team of junior engineers by providing technical guidance, conducting performance evaluations, supporting professional development, and assigning project hours.

• Handle project budgeting and scheduling responsibilities to keep projects on track and within scope.

• Conduct site visits and inspections as needed to review existing conditions, monitor installation progress, and support project commissioning.

• Participate in the design of fire protection and plumbing systems as part of broader building systems design.

• Engage in business development activities, including attending client meetings, contributing to proposal development, and delivering sales presentations to secure new projects.

• Ensure all designs comply with local, state, and national building codes, ASHRAE standards, and applicable energy efficiency regulations.

• Collaborate closely with in-house architects, contractors, and other engineering disciplines to integrate HVAC and MEP solutions into overall building designs.

• Use AutoCAD, Revit, Trane Trace, and HVAC modeling tools to develop system layouts, calculations, and detailed specifications.

• Prepare and review technical documentation, drawings, and reports to support project delivery and client communication.

• Maintain strong client relationships through effective communication, responsive service, and reliable technical expertise.

• Support the full design/build project lifecycle, including coordination from initial concept through construction and project closeout.

Essential Skills

• Bachelor’s or Master’s degree in Mechanical Engineering.

• 7-10+ years of experience in HVAC design.

• Proven ability to design all aspects of HVAC systems, including cooling plants, chillers, heating plants, pumping systems, equipment sizing, and equipment selection.

• Strong proficiency in HVAC design software, including AutoCAD and Trane Trace.

• Experience with HVAC load calculations and application of ASHRAE standards.

• Demonstrated experience managing multiple projects simultaneously from concept through completion.

• Experience leading, mentoring, and managing a team of junior engineering staff.

• Proven client management experience with a demonstrated history of successful client interactions.

• Excellent communication and negotiation skills for client meetings, proposals, and sales presentations.

• Ability and willingness to travel to job sites as needed.

Job Type & Location

This is a Contract to Hire position based out of Sparta, NJ.

Pay and Benefits

The pay range for this position is $57.00 - $72.00/hr.

Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following: • Medical, dental & vision • Critical Illness, Accident, and Hospital • 401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available • Life Insurance (Voluntary Life & AD&D for the employee and dependents) • Short and long-term disability • Health Spending Account (HSA) • Transportation benefits • Employee Assistance Program • Time Off/Leave (PTO, Vacation or Sick Leave)

Workplace Type

This is a fully onsite position in Sparta,NJ.

Application Deadline

This position is anticipated to close on Aug 10, 2026.

About Actalent

Actalent is a global leader in engineering and sciences services and talent solutions. We help visionary companies advance their engineering and science initiatives through access to specialized experts who drive scale, innovation and speed to market. With a network of almost 20,000 consultants and 5,000 clients across the U.S., Canada, Asia and Europe, Actalent serves many of the Fortune 500. We are proud to be an Engineering News-Record (ENR) Top 500 Design Firm for our engineering design services and a ClearlyRated Best of Staffing® winner for both client and talent service.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing process due to a disability, please email View email address on click.appcast.io for other accommodation options.

San Francisco Fair Chance Ordinance: Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Massachusetts Lie Detector: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Use of Artificial Intelligence (AI): We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.