Mechanical Engineering New Grad | Ontario, CA

Location: Ontario, California

Mechanical Engineering New Grad | Ontario, CA

100% Employee-Owned · Big-firm resources, local-team relationships, ONE IMEG culture

This posting is for December 2026 New Graduate opportunities.

IMEG is hiring a Mechanical Engineering New Grad in Ontario, CA. This entry-level role offers hands-on design, analysis, and project execution experience, with mentorship, training, and opportunities to grow your expertise from day one. You will assist in the engineering analysis, design, and implementation oversight of mechanical systems for the vertical building industry.

In this role, you will support project planning, documentation, quality control, client communication, and multidisciplinary coordination while working within project budgets and timelines. You will contribute to education-focused projects and broader public-institution work, advancing high-performance, energy-efficient design aligned with MEP2050 and AIA2030. This requisition is for an anticipated start date of December 2026.

At a Glance

Location: Ontario, CA

Discipline: Mechanical

Markets: Education

Ownership: 100% employee-owned (ESOP)

Travel: Up to 5%

Work Schedule: Full-time in office

Sponsorship: Not available

What You'll Do

Assist with the design and analysis of HVAC, plumbing and fire protection systems, using engineering software and tools to develop designs, specifications, and calculations according to code requirements and IMEG standards.

Support engineering analysis, design, and implementation oversight of mechanical systems for the vertical building industry.

Interact with clients to understand their needs, gather project requirements, and communicate technical information effectively.

Build and maintain client relationships through professional communication.

Work as part of a project team to support the execution of consulting projects.

Assist in project planning and scheduling tasks to help meet project deadlines and objectives.

Assist with documenting design decisions and instructions from clients while monitoring project design progress.

Analyze low to medium complexity engineering tasks and collaborate with senior engineers and consultants to develop practical and efficient solutions.

Participate in IMEG quality control processes to help ensure engineering designs and solutions meet IMEG quality standards, industry standards and client requirements.

Stay up to date with industry trends, emerging technologies, and best practices in mechanical engineering, and contribute to research, development, and innovation efforts within IMEG.

Work within the project’s monetary budget and collaborate with cross-functional teams to meet project goals and client expectations.

Prioritize safety in all aspects of engineering work, identify and mitigate potential safety risks associated with mechanical systems, and collaborate with multidisciplinary teams, including other engineers, architects, and project managers, to deliver integrated solutions that meet project goals.

What You'll Bring

Required Education

Bachelor of Science (BS) Degree in Mechanical Engineering, or equivalent required

Required Experience

Engineer-In-Training (EIT) or equivalent required

Required Skills/Abilities

Knowledge of design techniques, tools, and concepts involved in the production of technical plans and specifications

Strong technical and analytical skills including knowledge of principles relating to thermodynamics, psychometrics, heat transfer and fluid mechanics as it relates to mechanical systems design in HVAC, plumbing and fire protection systems for buildings

Knowledge of industry standard engineering software and tools including HVAC load calculation software

Excellent communication and interpersonal skills

Ability to work collaboratively in a team environment

Attention to detail and problem-solving skills

Eagerness to learn and adapt to new challenges

Basic knowledge in the use of BIM software.

Ability to clearly communicate in both oral and written communication to individuals or groups

Proficient with MS Office Suite including but not limited to Word, Excel, and Outlook

Ability to travel up to 5% with occasional overnight stays

Preferred

Prior internship experience in the building design consulting industry preferred

Engineer-In-Training (EIT) certification preferred

About the Team

Service mix is centered on education work across K-12 and higher education, with a notable supporting presence in healthcare and public-sector projects. The recurring pattern is full mechanical, electrical, and plumbing design for classrooms, labs, additions, modernization efforts, and barrier-removal work, with fire protection and technology showing up frequently on larger assignments.

They also handle medical renovations, municipal/public-safety work, EV and power upgrades, commissioning, security, audio/visual, and occasional civil or survey support. Overall, the portfolio suggests a team that is especially strong in school modernization, science/lab environments, and California public-institution upgrades.

Recent work includes Rose Villa Health Care Center - HVAC Anchorage, Healthcare; Grand CA Hotel Rooms Renovation-Hot Water Risers, Hospitality; and Baskerville Residence and Addition, Commercial.

Why IMEG

We put people at the center of who we are, creating positive outcomes for people, communities, and our planet. As a 100% employee-owned firm, every team member shares in that mission as an owner.

Consultancy 101: our structured development program that builds your consulting and technical foundation from day one

An assigned mentor to guide your growth from day one

IDEA Program: a firm-wide innovation accelerator where employees across every discipline develop and scale new tools, from VR and AI to carbon-reduction technology

MEG, our in-house AI platform, helps employees find information and build agents that streamline project workflows and calculations

Employee owne