Summer 2027 Intern - HVAC Design Engineering

Build Your Career with United Mechanical!

Are you a college student looking to gain real-world business experience this summer? United Mechanical is looking for a motivated, detail-oriented Engineering Intern to join our team in San Jose!

As a Engineering Intern, you'll gain hands-on experience supporting commercial HVAC and Plumbing system design while learning from United Mechanical’s engineering and project management teams.

Throughout the program, you'll build technical skills, contribute to real projects, and connect with experienced industry professionals. Training sessions, lunch-and-learns, jobsite and shop tours, and team-building activities will give you a closer look at our business and the mechanical construction industry.

Program Duration: June–August; dates may vary based on your summer schedule

What You'll Do

• Support System Design: Assist the engineering team with HVAC and/or Plumbing system design for commercial projects.
• Perform Engineering Calculations: Support load calculations, equipment selection, energy analysis, acoustics, psychrometrics, controls, fixture loading, and pressure-loss calculations.
• Create Engineering Drawings: Assist with preparing and updating drawings using Revit and AutoCAD.
• Participate in Field Surveys: Help survey and document existing site conditions and equipment to support engineering design.
• Support Energy & Code Compliance: Assist with preparing required energy compliance documentation and LEED calculations, and learn to interpret applicable codes, regulations, and project specifications under the guidance of your mentor.
• Contribute to Project Deliverables: Organize assigned work, communicate progress, and manage your time to meet project schedules and deadlines.
• Why Join United Mechanical?
• At United Mechanical, you'll have the opportunity to apply classroom learning to real projects, receive guidance from experienced engineering professionals, and explore career paths in mechanical construction. Our internship program combines practical experience, professional connections, and opportunities to learn how engineering and project teams bring building systems to life.

Requirements

What You'll Bring

• Currently pursuing a degree in Mechanical Engineering, Construction Management, or a related field.
• Strong problem-solving skills and an interest in building systems and mechanical construction.
• Ability to take direction, ask questions, apply feedback, and meet deadlines.
• Ability to collaborate effectively with others in a team environment.
• Knowledge, Skills & Abilities
• Strong organizational and time management skills.
• Clear written and verbal communication.
• Attention to detail when completing calculations, drawings, and project documentation.
• Curiosity, initiative, and a willingness to learn new concepts and technical tools.

What You'll Gain

Hands-On Experience: Work on meaningful assignments that support real business operations.

Professional Development: Build practical skills in sales support, customer communication, project coordination, and business operations.

Industry Exposure: Discover career opportunities within the commercial HVAC and mechanical construction industry.

Team Collaboration: Learn directly from experienced professionals across multiple departments.

Career Exploration: Gain insight into potential career paths in sales, operations, and project management.