Mechanical Engineering Intern Jobs in Maryland
Mechanical Engineering Intern jobs in Maryland are consistently active, concentrated in aerospace and defense, advanced manufacturing, and federal contracting sectors that anchor the state's engineering economy. The heaviest hiring runs through the Baltimore metro, the Washington D.C. suburbs in Montgomery and Prince George's counties, and the Aberdeen area, where established employers like Northrop Grumman, Lockheed Martin, and the Johns Hopkins Applied Physics Laboratory regularly bring on interns. The most sought-after specialties are thermal systems, structural analysis, and systems integration tied to defense and government programs. Scan the live roles below and apply to whichever ones fit.
Find JobsOverview
Showing 5 of 8+ Mechanical Engineering Intern jobs
WHO WE ARE
As the largest private-sector power producer in the world and the nation's largest producer of clean and reliable energy, Constellation is focused on our purpose: lighting the way to a brilliant tomorrow for all. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Now integrated with Calpine, our portfolio includes 55 gigawatts of capacity from nuclear, natural gas, geothermal, hydro, wind and solar facilities, with the generating capacity to power the equivalent of 27 million homes.
Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our people are the driving force behind our success. At Constellation, you can build a fulfilling career with opportunities to learn, grow and make an impact. By doing our best work and meeting new challenges, we can accomplish great things. Join us in meeting the country's energy needs today and tomorrow.
Responsibilities:
We are currently seeking highly motivated engineering or related discipline students for Summer Internships for 2027 to work for our Power Team located in multiple locations. These paid internships will last approximately 10 weeks from June 7, 2027 – August 13, 2027. Interns will work on specific projects, designed to help them gain real-world, hands-on experience working independently under an assigned supervisor and technical mentor. Historically, intern projects have included:
- Investigating corrosion sources in water system
- Innovative options to repair water piping
- Design change of liquid level instrument in pressure vessel
- Safety valve maintenance and inspection analysis
- Installation of wireless amp current meters
- Aqueous copper removal pilot project
Departments Include:
- Fleet Operations & Support
- Engineering
- Corporate Tech
- Maintenance
- Operations
- Hydroelectric
As a Constellation Intern you will:
- Gain meaningful job experience by working closely with experienced professionals who are passionate about your growth and development.
- Explore a variety of tasks and departments, helping you to better understand your strengths and interests.
- Consideration for employment after the pending performance and business needs.
- Benefit from mentorship opportunities that guide your professional growth and provide valuable insights into your chosen field.
- Contribute to a growing company that is leading the charge in the sustainability space, making a positive impact on the world.
- Shape your career goals by connecting with industry leaders and building a strong professional network.
Location: Perryman – Aberdeen, MD
Qualifications:MINIMUM QUALIFICATIONS
- Currently enrolled in a Bachelor’s or Master’s degree program for Fall of 2027 in Mechanical Engineering
- A track record of outstanding academic performance
- Eagerness to contribute in a team-oriented environment
- Ability to work creatively and analytically in a problem-solving environment
- Excellent leadership, communication (written and verbal) and interpersonal skills
Constellation will not be providing visa sponsorship for this position now or in the future. You must have the ability to lawfully work in the United States without a need for current or future visa sponsorship.
WHO WE ARE
As the largest private-sector power producer in the world and the nation's largest producer of clean and reliable energy, Constellation is focused on our purpose: lighting the way to a brilliant tomorrow for all. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Now integrated with Calpine, our portfolio includes 55 gigawatts of capacity from nuclear, natural gas, geothermal, hydro, wind and solar facilities, with the generating capacity to power the equivalent of 27 million homes.
Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our people are the driving force behind our success. At Constellation, you can build a fulfilling career with opportunities to learn, grow and make an impact. By doing our best work and meeting new challenges, we can accomplish great things. Join us in meeting the country's energy needs today and tomorrow.
Responsibilities:
We are currently seeking highly motivated engineering or related discipline students for Summer Internships for 2027 to work for our Power Team located in multiple locations. These paid internships will last approximately 10 weeks from June 7, 2027 – August 13, 2027. Interns will work on specific projects, designed to help them gain real-world, hands-on experience working independently under an assigned supervisor and technical mentor. Historically, intern projects have included:
- Investigating corrosion sources in water system
- Innovative options to repair water piping
- Design change of liquid level instrument in pressure vessel
- Safety valve maintenance and inspection analysis
- Installation of wireless amp current meters
- Aqueous copper removal pilot project
Departments Include:
- Fleet Operations & Support
- Engineering
- Corporate Tech
- Maintenance
- Operations
- Hydroelectric
As a Constellation Intern you will:
- Gain meaningful job experience by working closely with experienced professionals who are passionate about your growth and development.
- Explore a variety of tasks and departments, helping you to better understand your strengths and interests.
- Consideration for employment after the pending performance and business needs.
- Benefit from mentorship opportunities that guide your professional growth and provide valuable insights into your chosen field.
- Contribute to a growing company that is leading the charge in the sustainability space, making a positive impact on the world.
- Shape your career goals by connecting with industry leaders and building a strong professional network.
Location: Perryman – Aberdeen, MD
Qualifications:MINIMUM QUALIFICATIONS
- Currently enrolled in a Bachelor’s or Master’s degree program for Fall of 2027 in Mechanical Engineering
- A track record of outstanding academic performance
- Eagerness to contribute in a team-oriented environment
- Ability to work creatively and analytically in a problem-solving environment
- Excellent leadership, communication (written and verbal) and interpersonal skills
Constellation will not be providing visa sponsorship for this position now or in the future. You must have the ability to lawfully work in the United States without a need for current or future visa sponsorship.
See All 8 Mechanical Engineering Intern Jobs in Maryland
Find roles in Maryland that match your experience and apply in just a few clicks.
Find JobsMechanical Engineering Intern Jobs by City in Maryland
Where Maryland roles are concentrated, by current openings.
Mechanical Engineering Intern Job Market in Maryland
A snapshot from current Maryland openings, updated as new roles post.
Who's Hiring
What Maryland Employers Look For
The qualifications that appear most often in mechanical engineering intern jobs across Maryland.
- Current enrollment in an ABET-accredited mechanical engineering bachelor's or master's program
- Proficiency in CAD software such as SolidWorks, CATIA, or AutoCAD for design and modeling tasks
- Foundational knowledge of thermodynamics, fluid mechanics, and materials science from coursework
- Ability to obtain a U.S. security clearance, required by many Maryland defense contractors
- Experience with MATLAB, Python, or engineering simulation tools for analysis and testing support
- Strong written and verbal communication skills for technical documentation and team collaboration
Mechanical Engineering Intern Jobs in Maryland: Frequently Asked Questions
How do you become a mechanical engineering intern in Maryland?
Most mechanical engineering intern roles in Maryland require active enrollment in an ABET-accredited mechanical engineering program at a college or university. Maryland does not require a state-issued intern license, but many positions with defense contractors require eligibility for a federal security clearance, so U.S. citizenship is a common prerequisite. Completing relevant coursework in thermodynamics, materials science, and CAD, along with any prior lab or project experience, strengthens an application significantly.
Which companies hire mechanical engineering interns in Maryland?
Companies currently hiring mechanical engineering interns in Maryland include Rocket Lab USA, WSP, and Knorr Brake Company, per current listings on Migrate Mate as of November 2026. Maryland's concentration of aerospace, defense, and federal research institutions means many of the largest recurring employers are government contractors and research laboratories with structured internship programs.
Which Maryland cities have the most mechanical engineering intern jobs?
Silver Spring, Jessup, and Columbia are the Maryland cities with the most mechanical engineering intern openings. Baltimore draws demand from its manufacturing base and institutions like Johns Hopkins, while the suburban Washington D.C. corridor in Rockville, Bethesda, and College Park generates openings tied to federal agencies, national laboratories, and the large defense contractors headquartered there.
Are there remote mechanical engineering intern jobs in Maryland?
Yes, but they're rare. About 0% of mechanical engineering intern openings tied to Maryland are remote or hybrid as of November 2026, reflecting that most intern work involves hands-on lab testing, hardware assembly, or on-site collaboration with engineering teams. The portions of the role most likely to be done remotely include computational modeling, simulation analysis, and technical documentation tasks.
How can I get hired as a mechanical engineering intern in Maryland with little or no experience?
The most realistic entry path is applying directly to structured undergraduate internship programs at Maryland's large defense and aerospace employers, which are designed for students with limited professional experience. Northrop Grumman, Lockheed Martin, and the Johns Hopkins Applied Physics Laboratory all run formal early-career programs for engineering students. Strong academic performance in core coursework, a personal CAD or simulation project portfolio, and eligibility for a security clearance give candidates a meaningful edge over applicants without those qualifiers.
Where can I find and apply to mechanical engineering intern jobs in Maryland?
You can find and apply to mechanical engineering intern jobs in Maryland on Migrate Mate, which lists current Maryland openings in one place. Search the available roles, identify the ones that match your program, skills, and location, and apply directly to whichever ones fit your situation.
See All 8 Mechanical Engineering Intern Jobs in Maryland
Find roles in Maryland that match your experience and apply in just a few clicks.
Find Jobs