About Mason & Hanger, A Day & Zimmermann Company

At Mason & Hanger, you could call us a pioneer in the production of next generation, high-performance facilities! We provide architectural and engineering (A/E) services specializing in the worldwide design of secure, mission-driven facilities. Our staff is dedicated to finding innovative ways to create dynamic spaces. Think that’s cool? We’ve worked on thousands of projects in over 165 countries as a trusted partner of the U.S. federal government for more than two centuries. We’re building a more secure world. ® Come join in on our purpose – We put people to work, we protect American freedoms, and we help our customers power and improve the world! https://www.masonandhanger.com

We’re looking for an Energy and Sustainability Summer Intern, to join our Mason & Hanger team for Summer 2026. The Energy & Sustainability Summer Intern will assist in engineering calculations including energy and water simulation, utility analyses, LEED template credit completion and general research.

As the Energy and Sustainability Summer Intern, here’s the work you’ll do:

• Energy, water, and power simulation under supervision of engineers.
• Engineering calculations using Microsoft Excel.
• Complete LEED credit compliance templates.
• Assist in cost estimate preparation and general research.
• Complying with data protection principles while handling personal, protected and / or Covered Defense Information on behalf of Day & Zimmermann. Data Handlers should be trained to follow documented policies, standard operating procedures and secure practices associated with protecting trusted employee and customer data.

This role is for you if you have these skills:

• Technical Proficiency, especially with Microsoft Excel and modeling tools like Revit.
• Proficient communicator
• Self Motivated / Takes initiative
• Adaptive / Flexible
• Critical Thinker

And If You Have These Qualifications

• Currently enrolled in Bachelors or Masters Degree program in Mechanical Engineering, Electrical Engineering, Architectural Engineering or other related program.
• Great attitude and team player.
• Due to the nature of the work and applicable federal contract requirements, U.S. citizenship is required for this position.
• Successful completion of background and drug screening process.

We Care About Our Employees, And It Shows.

Our staff receive a competitive salary and 401(k).

In compliance with this state’s pay transparency laws, the wage range for this role is $17.75 - $ 19.75 per hour. This is not a guarantee of compensation or salary, as final offer amount may vary based on factors including but not limited to experience and geographic location. (The specific programs and options available to an employee may vary depending on date of hire, schedule type, and the applicability of collective bargaining agreements).

To Ensure a Safe Work Environment While Meeting The Physical Demands Of The Job, You Must Be Able To Perform The Following Physical And Mental Tasks, With Or Without a Reasonable Accommodation

• Visual acuity (e.g., needed to prepare and analyze data, to transcribe documents, to view a computer, to read, to inspect objects, to operate machinery.
• Balancing (e.g. maintaining equilibrium when walking, climbing, crouching, etc.)
• Stooping (e.g. bending the spine at the waist)
• Manual Dexterity (e.g. picking, pinching, typing, or other working that uses fingers)
• Grasping (e.g. use of hand to apply pressure)
• Feeling (e.g. perceiving an object’s size, shape, texture, etc.)
• Climbing (e.g. ascending/descending ladders, stairs, scaffolding, ramps, pole, etc. using feet and legs and hands/arms to climb)
• Hearing
• Talking
• Capacity to think, concentrate and focus for long periods of time.
• Ability to read complex documents in the English language.
• Capacity to reason and make sound decisions.
• Ability to write complex documents in the English language.
• Capacity to express thoughts orally.
• Expertise in: Excel, Word, PowerPoint, CAD/BIM
• Ability to regularly perform all job functions at Company’s office or worksite.

Diversity, Inclusion & Equal Employment Opportunity

Mason & Hanger, A Day & Zimmermann Company is committed to maintaining an inclusive workforce, where employees are hired, retained, compensated and promoted based on their contributions to our Company. Our collective strength is rooted in over a century of diverse employees and businesses, commitment to success, and delivery on promises made. Federal and state Equal Employment Opportunity laws prohibit employment discrimination based on race, color, religion, sex, sexual orientation, age, national origin, citizenship status, veteran status and disability status. Mason & Hanger is committed to providing an equal opportunity work environment in full compliance with these laws. If you are an individual with a disability and you require an accommodation in the application process, please email reasonableaccommodation@dayzim.com and please specify which position you are interested in, including job title and location.