Mechanical Engineering Intern - Fall 2026

Salas O'Brien; Merritt Island (FL); On-site; USD 28,000 - 33,000; Part time

Job summary

Salas O’Brien is seeking a Mechanical Engineer Intern for Merritt Island, FL. You will draft using AutoCAD or Revit, review HVAC and plumbing calculations, and assist in cost estimating and technical documentation.

The role is limited to 20 hours per week with flexible scheduling to accommodate school commitments. The position requires enrollment in an ABET-accredited Mechanical Engineering program, with preference for graduation within 1 year, and US citizenship verification may be required for

Qualifications

• Must be enrolled in a Mechanical Engineering program at a four-year ABET-accredited school.
• Preferred graduation within 1 year, or within 2 years depending on needs.
• Able to work part-time with up to 20 hours per week and reliable transportation.

Responsibilities

• Draft using AutoCAD or Revit, and create or review drawing markups with PDF tools like Bluebeam Revu.
• Review HVAC and plumbing calculations and applicable codes and standards (e.g., UFC, IFC).
• Develop cost estimates and assist with job specifications, reports, and technical documentation.
• Produce 2D and 3D drawings, evaluate existing facilities, and assist with system analyses.

Job description

Mechanical Engineer Intern

At Salas O’Brien we tell our clients that we’re engineered for impact. This passion for making a difference applies just as much to our team as it does to our projects. That’s why we’re committed to living our values every day: inspiring, achieving, and connecting as shared owners of our success with a focus on a sustainable future.

Mechanical Engineer Intern

At Salas O’Brien we tell our clients that we’re engineered for impact. This passion for making a difference applies just as much to our team as it does to our projects. That’s why we’re committed to living our values every day: inspiring, achieving, and connecting as shared owners of our success with a focus on a sustainable future.

Building for the long-term means that all of our team members can expect to work on amazing projects with a people-first approach to problem solving. It also means that each member of our team has truly limitless potential to build a unique, meaningful, and high-impact career—and they’ll receive great total rewards along the way.

About Us

Founded in 1975, Salas O’Brien is an employee-owned engineering and professional services firm focused on achieving impact for our clients, our team, and the world. We know that tomorrow’s requirements are today’s opportunities, and we are here to design lasting solutions for pressing challenges.

We work across a variety of industries providing integrated engineering and consulting services. Our specialized experience includes design for data centers, healthcare, science and technology, high-rise buildings, clean energy, education, and other building types as well as structural and building sciences, infrastructure asset management, advanced robotics, and more.

Our technical expertise is paired with an exceptional team of business development, human resources, finance and accounting, information technology, and marketing professionals, all of whom play a key role in bringing our commitments to life every day.

Responsibilities

• Work tasks will vary and require flexibility and a desire for diversity in the engineering field. Primary work to be performed includes drafting using either AutoCAD or Revit, reviewing and creating drawing markups using PDF editing tools such as Bluebeam Revu, reviewing HVAC and plumbing calculations, reviewing applicable international and local codes and standards (e.g., UFC, IFC), developing cost estimates, and assisting with the generation and review of job specifications and report writing. Typical job duties consist of applying these tasks through 2D and 3D drawing production, HVAC and plumbing system calculations and analysis, evaluation of existing facility systems and equipment, and preparation of technical documentation.

Qualifications And Experience

• Must be currently enrolled in a Mechanical Engineering program at a four-year ABET university or college with preferred targeted graduation date within 1 year (preferred). Will consider interns who are graduating within 2 years, depending on our needs.
• Must be able to work part-time, maximum 20 hours on average each work week and have reliable transportation. During the Summer months, we often have additional hours available to interns.

Additional Eligibility Requirements

• Valid/Unrestricted driver license
• Verification of US Citizenship required upon hire due to Federal contract compliance.

Location

Merritt Island, FL

Compensation

The expected rate for this role is $22.00 per hour.

Equal Opportunity Employment Statement

Salas O’Brien provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, colour, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state/provincial, or local laws. Salas O’Brien will accommodate the disability-related needs of applicants as required by law.