Professional Engineer - Mechanical Design

Legacy Designs, Inc. of Rockford; Rockford (IL); Hybrid; USD 90,000 - 120,000; Full time

Job summary

Legacy Designs, Inc. of Rockford seeks a Professional Engineer – Mechanical Design to lead mechanical system design for diverse building projects. You will develop layouts, perform load calculations, and produce construction documents, coordinating with electrical, plumbing, and fire protection teams.

The role combines hands-on design work with client and project team collaboration in a hybrid Rockford-based environment, offering opportunities for technical growth and design process improvements.

Qualifications

• Strong foundation in Mechanical Engineering and Design Engineering for building systems.
• Hands-on experience with Computer-Aided Design (CAD) tools for creating and revising mechanical drawings.
• Professional Engineer (PE) license in Mechanical Engineering, or the ability to obtain one within a reasonable timeframe.

Responsibilities

• Design mechanical systems for building projects, including HVAC, ventilation, and related components, from concept through construction documents.
• Review codes and standards, respond to RFIs, support submittal reviews, and provide technical guidance during construction.

Skills

Mechanical Engineering

Design Engineering

Project coordination

Communication skills

Education

Bachelor’s degree in Mechanical Engineering

Professional Engineer (PE) license

Tools

CAD software

Job description

Company Description

Legacy Designs, Inc. is a small consulting MEP/FP engineering firm serving clients in 49 states. The company delivers mechanical, electrical, plumbing, and fire protection solutions for a wide range of projects, including educational life safety, hospitality (hotel and extended-stay branded franchise prototypes), multifamily, retail, medical, religious, and industrial facilities. Legacy Designs, Inc. emphasizes practical, code-compliant design tailored to each project type. Team members work on diverse building systems and project scales, offering opportunities for technical growth and exposure to multiple sectors.

Role Description

The Professional Engineer – Mechanical Design is a full-time, hybrid role based in Rockford, IL, with flexibility for some work from home. This role is responsible for designing mechanical systems for building projects, including HVAC, ventilation, and related mechanical components, from concept through construction documents. Daily activities include performing mechanical load calculations, developing system layouts, preparing plans and specifications, and coordinating designs with electrical, plumbing, and fire protection disciplines. The engineer will review codes and standards, respond to RFIs, support submittal reviews, and provide technical guidance during construction. The role also involves collaborating with clients, architects, and contractors, attending project meetings, and contributing to quality control and continuous improvement of design processes.

Qualifications

• Strong foundation in Mechanical Engineering and Design Engineering for building systems.
• Hands-on experience with Computer-Aided Design (CAD) tools for creating and revising mechanical drawings.
• Professional Engineer (PE) license in Mechanical Engineering, or the ability to obtain one within a reasonable timeframe.
• Experience with MEP/FP design for commercial, hospitality, multifamily, or institutional projects is highly beneficial.
• Knowledge of relevant building codes, ASHRAE standards, and industry best practices.
• Ability to manage multiple projects, meet deadlines, and work effectively in a hybrid environment.
• Clear written and verbal communication skills for coordinating with project teams and clients.
• Bachelor’s degree in Mechanical Engineering or a closely related field.