Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Mechanical Engineer

AEI

Mechanical Engineer Intern

Join a team where engineering excellence drives opportunity. At Affiliated Engineers, Inc. (AEI), we bring together expertise and innovation to solve the most complex challenges. Since 1978, we've supported mission-driven organizations in designing systems and environments that advance society and improve lives. Today, with more than 900 professionals across 22 offices, we help shape the future of healthcare, science and technology, energy, education, and other vital sectors.

From elevating patient care in Mayo Clinic's world-class hospitals to enabling discovery in high-containment laboratories for U.S. agencies and driving environmental progress with Microsoft's renowned Thermal Energy Center, our work enriches the human experience, safeguards the environment, and pushes the boundaries of possibility.

AEI consistently earns national recognition from leading industry publications, including Building Design+Construction, Engineering News-Record, and Consulting-Specifying Engineer, with distinctions such as being named the #1 Laboratory Engineering Firm in the nation and receiving multiple Best of the Best Project awards, underscoring the lasting legacy of our work.

At AEI, you'll join a collaborative community where your expertise fuels innovation, your ideas drive progress, and your work helps shape a brighter future.

As a Mechanical Engineer Intern in our XX office for Summer XXXX, you will help us empower our clients to achieve energy-efficient building solutions, save global environments, and create a better, greener future for all.

Why we need you:

In this role, you will have the opportunity to approach design in unconventional ways, apply your knowledge while working on significant and complex projects, work alongside professionals known for advanced engineering solutions, observe how a successful engineering firm operates, establish ties that could solidify your professional future, and learn within a friendly, supportive environment.

Expertise of our most successful Mechanical Engineer Intern:

  • Enrollment in Mechanical or Architectural Engineering program from ABET accredited school.
  • Completed 3 years of coursework or have a junior standing.
  • Minimum GPA of 2.5.
  • Leadership involvement in extracurricular activities/student organizations.

Effective skills to help you flourish:

  • Strong spoken and written communications skills.
  • Excellent organization and time management skills.
  • Quick technical comprehension and motivation focused on client outcomes.
  • Able to effectively prioritize multiple tasks.
  • Effective working individually and within team environments.

When you work here, you can expect:

  • A flexible, collaborative environment where your well-being matters—because your best work happens when you're supported.
  • Real opportunities to grow—through mentorship, professional development programs, and exposure to high-impact projects across disciplines.
  • To collaborate with inspiring teammates who challenge the status quo, foster innovation, and pave the way for future leaders.
  • A benefits package that offers health, dental, vision, and retirement, a performance-based year-end bonus, and thoughtful perks tailored to your needs—whether that's a flexible work environment, wellness resources, or community-focused initiatives, we'll continue to invest in.

If this dynamic environment and the chance to contribute to transformative projects resonate with your ambitions, we would love to connect with you. Join us and make an impact!

Vacancy posted 19 hours ago
Similar jobs that could be interesting for youBased on the Mechanical Engineer in Phoenix, AZ vacancy
  • $95k - $130k

     ...Process Mechanical Engineer, Power We are seeking a Process Mechanical Engineer, Power experienced in simple cycle and combined cycle power plant design to join our growing Power Engineering team. This role is ideal for a technically strong and highly motivated engineer... 
    Suggested
    Temporary work
    Remote work
    Flexible hours

    Atkins Realis

    Phoenix, AZ
    14 hours ago
  • ABM Industries is seeking a Building Engineer to operate and maintain HVAC, boilers, chillers, refrigeration equipment, pumps, and electrical systems across a site. The role requires reading blueprints and building automation controls, with a strong emphasis on energy... 
    Suggested

    ABM Industries

    Phoenix, AZ
    4 days ago
  • CBRE Building Engineer role focused on monitoring, maintaining, and repairing building systems across plumbing, electrical, heating, and cooling to ensure reliable operations. You will contribute to preventive maintenance programs and safety compliance while working within... 
    Suggested

    CBRE

    Phoenix, AZ
    4 days ago
  • Armitage Architecture, Inc. seeks a Mechanical Engineer to support federal construction projects, including infrastructure, government facilities, and defense-related initiatives. You will design, analyze, and ensure compliance of mechanical systems on-site, collaborating... 
    Suggested

    Armitage Architecture, Inc.

    Phoenix, AZ
    4 days ago
  • Mesa Energy Systems, Inc. is seeking a Project Coordinator to plan, organize, coordinate, direct, and control all contract functions for small HVAC projects and to back up Project Managers on larger retrofit construction efforts. You will develop schedules, manage submittals...
    Suggested
    Contract work

    Mesa Energy Systems, Inc.

    Phoenix, AZ
    2 days ago
  • Day & Zimmermann seeks a senior Lead Mechanical Engineer to drive from front-end design through construction support at a nuclear power facility. You will shape scopes of work, oversee equipment specs, and mentor a team of engineers and designers. Applicants should have... 

    Day & Zimmermann

    Phoenix, AZ
    1 day ago
  • TSMC Arizona is seeking a Mechanical Construction Engineer to join our F21 FAB project in Phoenix, Arizona. You will contribute to constructing, supervising and managing new fab mechanical systems (HVAC, clean room, air abatement) and help resolve issues with cross‑functional... 

    TSMC

    Phoenix, AZ
    4 days ago
  • A leading semiconductor manufacturer located in Arizona is seeking a Mechanical Construction Engineer for their F21 FAB project in Phoenix. The ideal candidate will hold a Bachelor's or Master's Degree in a relevant engineering field and have experience in mechanical systems... 

    TSMC - Taiwan Semiconductor Manufacturing Company Limited

    Phoenix, AZ
    5 days ago
  • Colliers is seeking a Building Engineer to ensure maintenance systems run efficiently and safely for clients and properties. You will respond to requests, prioritize work orders, and conduct inspections to minimize downtime. You will develop relationships with property... 

    Colliers

    Phoenix, AZ
    5 days ago
  • TSMC Arizona is seeking a Mechanical Construction Engineer for the F21 FAB project in Phoenix, AZ. You will participate in the construction, supervision and management of HVAC, clean room, and air abatement systems to support world-class semiconductor manufacturing. Ideal... 

    TSMC - Taiwan Semiconductor Manufacturing Company Limited

    Phoenix, AZ
    4 days ago
  • $84.7k - $144.43k

     ...Senior Mechanical Controls Engineer - Mission Critical DLR Group is an integrated design firm with a promise to elevate the human experience through design. This fuels the work we do around the world and inspires our mission to improve the lives of our clients, our... 
    Local area

    DLR Group

    Phoenix, AZ
    14 hours ago
  •  ...Mechanical Commissioning Engineer CAI seeks Mechanical Commissioning Engineers with a minimum of five to seven years' experience in Data Center Commissioning to support development and execution of all mechanical aspects of commissioning projects. Position Description... 
    Full time
    For contractors
    Immediate start
    Worldwide

    CAI

    Phoenix, AZ
    14 hours ago
  • A leading engineering firm in Phoenix, AZ is seeking an experienced Mechanical Analysis Engineer to lead projects related to nuclear power uprates. This role requires a BSME, 10+ years in the nuclear industry, and expertise in thermodynamics, heat transfer, and fluid mechanics... 

    Sargent & Lundy

    Phoenix, AZ
    4 days ago
  • $114.96k - $172.44k

    Join Day & Zimmermann as a Mechanical Engineer 4 supporting Palo Verde Nuclear Generating Station in Tonopah, AZ. In this onsite role, you’ll apply your mechanical engineering expertise to complex, mission-critical projects that support the safe, reliable, and efficient... 
    Contract work
    For subcontractor
    Work at office
    Flexible hours

    DZConneX Solutions Ltd

    Phoenix, AZ
    2 days ago
  • Lead mechanical engineering efforts from front-end design through construction support for a nuclear power facility. Responsibilities include developing scopes of work, managing equipment specifications, and mentoring a team of engineers and designers. Requirements: Requires... 
    Flexible hours

    Day & Zimmermann

    Phoenix, AZ
    1 day ago
  • $116.62k - $179.89k

    A leading engineering firm in Phoenix, Arizona, is seeking a Senior Engineer to enhance power output in the nuclear industry. Responsibilities include consulting on power uprates, client interfacing, and mentoring junior staff. Candidates should have a BSME, 10+ years in... 

    Sargent & Lundy

    Phoenix, AZ
    2 days ago
  • Sargent & Lundy's Nuclear Power Group seeks an experienced mechanical engineer to lead power uprate projects, interface with clients, and develop engineering proposals. You will review calculations, supervise junior staff, and ensure scope alignment through client site... 
    Work at office
    3 days per week

    Sargent Lundy

    Phoenix, AZ
    2 days ago
  • Clayco is seeking a Senior Mechanical Preconstruction Engineer to lead cost estimation for HVAC and Plumbing on heavy manufacturing, industrial and mission critical projects. The role requires collaboration with engineers, architects, consultants, subcontractors, suppliers... 
    For subcontractor

    Sky Mavis

    Phoenix, AZ
    4 days ago
  •  ...Photomask Process/Equipment Engineer A career at TSMC Arizona offers an unparalleled opportunity to contribute to the most advanced...  ...Material Science, Optical Science, Electrical Engineering, or Mechanical Engineering. Technical Skills: Ability to design and... 
    Shift work
    Night shift
    Weekend work
    Weekday work

    TSMC

    Phoenix, AZ
    1 hour ago
  • $114.6k - $234.6k

     ...Job Description Independently designs and develops mechanical systems including components, enclosures, and packaging, ensuring reliability...  ...hardware products. Manages mechanical design aspects of engineering projects, ensuring alignment with project timelines, quality... 
    Temporary work
    Flexible hours
    Shift work

    Oracle

    Phoenix, AZ
    4 days ago
  • An innovative architectural and engineering firm in Phoenix is seeking a talented PE Mechanical Engineer. In this role, you'll design HVAC, plumbing, and fire protection systems for diverse buildings. The ideal candidate holds a B.S. in Mechanical Engineering and a PE License... 

    Hooker DeJong, Inc.

    Phoenix, AZ
    5 days ago
  • $75k - $120k

     ...mean deeper job satisfaction, better rewards, and a great quality of life inside and outside of work. Job Title : Mechanical Design Engineer Reporting To: Manager, Design Engineering Work Schedule: Onsite - Phoenix, AZ Mission & Impact The... 

    Moog

    Phoenix, AZ
    51 minutes ago
  •  ...analytical data from previous products, determine the technical principles involved, mathematically define the problem and compute the engineering characteristics consistent with the specifications, design needs and requirements of other portions of the product. Release... 

    Advanced Technology Innovation

    Phoenix, AZ
    3 days ago
  •  ...Job Description As a Mechanical Design Engineer II here at Honeywell Aerospace, you will design and develop cutting-edge mechanical solutions, ensuring high-quality and reliable products using your CAD proficiency and mechanical design expertise. You will report... 
    Permanent employment
    Temporary work
    Worldwide
    Flexible hours

    Honeywell

    Phoenix, AZ
    2 days ago
  •  ...Mechanical Design Engineer Immediate need for a talented Mechanical Design Engineer. This is a 06 months contract opportunity with long-term potential and is located in Phoenix, AZ (Hybrid). Key Requirements and Technology Experience: ~ Must have skills: ASME... 
    Contract work
    Immediate start

    Pyramid Consulting

    Phoenix, AZ
    4 days ago
  • $75k - $90k

     ...Mechanical Engineer II Location: Schaumburg, IL / Albuquerque, NM / Avon, CO / Hunt Valley, MD / Belleville, IL / Boise, ID / Chicago, IL / Corona, CA / Dallas, TX / Davenport, IA / Lakewood, CO / Evansville, IN / Ft. Collins, CO / Ft. Myers, FL / Irvine, CA / Milwaukee... 
    Flexible hours

    RTM Engineering Consultants

    Phoenix, AZ
    1 day ago
  •  ...Mechanical Engineer The Mechanical Engineer position is responsible for quality inspection and assurance across various commodities, including precision machined parts, stamping, cast machined, and electromechanical components. The role involves overseeing inspections... 

    Katalyst HealthCares & Life Sciences

    Phoenix, AZ
    4 days ago
  •  ...Mechanical Engineer I Join a team where engineering excellence drives opportunity. At Affiliated Engineers, Inc. (AEI), we bring together expertise and innovation to solve the most complex challenges. Since 1978, we've supported mission-driven organizations in designing... 
    Summer work
    Internship
    Work at office
    Flexible hours

    Affiliated Engineers, Inc

    Phoenix, AZ
    1 day ago
  •  ...turnkey in-house capabilities with design assistance, as well as engineering applications and automated control systems. Essential...  ...sizing, and design (ductwork and piping) Experienced with Mechanical Codes and Energy Efficiency Standards Engineering experience... 
    For contractors

    Emcor UK

    Phoenix, AZ
    1 hour ago
  • $130k - $150k

     ...Mechanical Engineer (Autonomous Systems / Robotics Hardware) Location: Phoenix, AZ Company Stage: Early-Stage Defense / Robotics Startup Office Type: Onsite Salary: $130,000 - $150,000 (+ Equity) Company Description This early-stage robotics company... 
    Work at office
    Relocation

    Recruiting from Scratch

    Phoenix, AZ
    14 hours ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Mechanical Engineer. Be the first to apply!