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17 design engineer intern jobs at 15 companies in Frederick, MD

4w
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Mechanical Design Intern
Linthicum, Maryland, United States
$33k-$50k/yr OnsitePart Time, Internship
IDEX
IDEXNYSE: IEX: Designs and manufactures specialized fluidic, optical, and industrial systems.
Current college student or recent Maryland graduate (GPA ≥2.5) or qualifying veteran; high school diploma or equivalent; SolidWorks preferred; apply engineering fundamentals; lift up to 35 lbs; present and document findings.
SolidWorks
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1mo
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Team Lead, Custom Design Engineer (Gaithersburg, MD, US, 20878)
Gaithersburg, Maryland, United States
$129k-$139k/yr OnsiteFull Time
Excelitas Technologies
Excelitas Technologies: Manufacturer of photonic solutions for sensing, detection, and imaging.
4+ YOEBS in Mechanical Engineering or equivalent experience preferred; 4+ years design engineering experience; team lead/management experience; proficiency in SolidWorks/Autodesk Inventor, SAP/CRM; readiness for multi-day and international travel; driver's license required.
SolidWorks, Autodesk Inventor, SAP, CRM, PLC
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1w
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Mechanical Design Engineer – Reactor Internals (In-Vessel Shielding)
Rockville, Maryland, United States
$115k-$140k/yr OnsiteFull Time
X-energy
X-energy: Develops advanced small modular nuclear reactors and fuel technology.
5+ YOEBachelor's in mechanical or related engineering, typically 5+ years engineering experience, CAD/PLM proficiency, hands-on hardware/manufacturing experience, strong mechanical/nuclear design fundamentals, ASME/QA familiarity.
Computer-Aided Design (CAD), Product Lifecycle Management (PLM), UG/NX, SolidWorks, Pro-Engineer, Teamcenter, Windchill
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1mo
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Computer Engineer - Firmware/Software (Full-Time & Intern Positions)
Baltimore, Maryland, United States
$90k-$105k/yr OnsiteFull Time, Internship
Key Tech
Key Tech: An engineering that designs medical devices and provides a collaborative, employee-owned workplace.
0+ YOEOpen to interns and full-time applicants with 0–5 years experience; developing embedded algorithms, designing embedded architectures, and testing code for medical devices.
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2mo
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Field Engineer
Ashburn, Virginia, United States
$75k-$105k/yr OnsiteFull Time
Terracon
Terracon: Provides geotechnical, environmental, construction, and facilities engineering services.
Bachelor’s degree in Engineering; valid driver’s license with acceptable history; Engineer-in-Training (EIT) or Engineering Intern (EI) designation preferred.
CAD
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1mo
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Senior Civil Engineer
Houston or Chandler or Reston
HybridFull Time
Bechtel
Bechtel: Designs and constructs large-scale industrial and infrastructure projects.
10+ YOEBachelor's degree (or international equivalent) with 10+ years relevant civil engineering experience; experience designing earthworks, drainage, roads, and preparing estimates; ability to supervise engineers and lead design reviews.
Engineering Department Procedures (EDPs), Bechtel Standard Application Programs (BSAPs), Design Control Check List (DCCL), Design Review Notices (DRNs)
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2mo
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Mechanical Engineer (Entry Full-Time & Intern Positions)
Baltimore, Maryland, United States
$72k-$87k/yr OnsiteFull Time, Internship
Key Tech
Key Tech: An engineering focused on high-tech medical devices and turnkey design and development.
0+ YOEEntry-level and internship opportunities; hands-on mechanical design, rapid prototyping, and testing of assemblies.
SolidWorks, Finite Element Analysis, Rapid Prototyping
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2d
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Water Resources Engineering Intern
Gainesville, Virginia, United States
$18-$29/hr OnsiteInternship
Dewberry
Dewberry: Professional firm providing engineering, architecture, and environmental consulting services.
Pursuing a Bachelor's or Master's in Civil Engineering or related field; knowledge of water quality and wastewater modeling, floodplain delineation, stormwater management, hydraulics, drainage design; MS Office proficiency; strong communication and teamwork.
MS Office
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1mo
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Building Structural Engineer
Hunt Valley, Maryland, United States
$90k-$115k/yr OnsiteFull Time
Johnson, Mirmiran & Thompson
Johnson, Mirmiran & Thompson: Provides multidisciplinary engineering, architecture, and technology infrastructure services.
Design and deliver building/facility structural projects from framing layout through construction administration; perform design calculations, develop construction documents, use Revit, and coordinate with internal and external teams.
Revit
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1mo
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Mechanical Engineering Fall CO Intern
New Freedom, Pennsylvania, United States
$21-$24/hr OnsiteMultiple Commitments Available
Johnson Controls
Johnson ControlsNYSE: JCI: Provides integrated building technologies including HVAC, fire, and security systems.
Currently enrolled in a U.S. college pursuing mechanical-related degree; mechanical knowledge, thermodynamics, machine design familiarity, hands-on aptitude, able to work onsite 40 hrs/week Sep–Dec, U.S. work authorization required.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Outlook
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1mo
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Lighting Designer/Engineer Intern/Co-op Fall 2026 - Energy Solutions
Fairfax, Virginia, United States
OnsiteInternship
Legence
LegenceNasdaq: LGN: Engineering and maintenance services for mission-critical building systems.
College student pursuing a BSEE (sophomore/junior preferred). CAD experience helpful, proficiency with Microsoft Word and Excel, strong communication skills, and ability to travel for field work.
CAD, Microsoft Word, Microsoft Excel
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1mo
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Lighting Designer/Engineer Intern/Co-op Fall 2026 - Energy Solutions
Fairfax, Virginia, United States
OnsiteInternship
Legence
LegenceNASDAQ: LGN: Provides engineering and maintenance services for mission-critical building systems.
Seeking a college intern/co-op pursuing a BSEE (sophomore or junior). Duties include site visits, building audits, energy calculations, CAD construction documents, and field verification. Requires Microsoft Word/Excel and strong communication.
CAD, Microsoft Word, Microsoft Excel
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1mo
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CloudHQ International - Principal Electrical Engineer, Construction
Frankfurt or London or Paris or Ashburn or Milan or Osaka or São Paulo
FieldFull Time
CloudHQ
CloudHQ: Builds and operates hyperscale data centers for global technology companies.
7+ YOESenior electrical SME for data center projects across Europe with 7+ years' experience; expertise in high-voltage, UPS, switchgear, generators, design/commissioning, EN codes, strong project management and stakeholder skills; 50–70% travel.
Microsoft Project, Smartsheet, AutoCAD, Revit
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3mo
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CNO Developer
Fort Meade, Maryland, United States
$77k-$163k/yr OnsiteFull Time
Nightwing
Nightwing: Provides advanced cyber and intelligence solutions for national security.
5+ YOE5-7 years in C/C++ and Python; strong knowledge of networks and OS internals; experience with binary analysis tools; able to design and develop software with minimal oversight.
C/C++, Python, IDA Pro, Ghidra
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1w
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Principal Software Engineer TS/SCI w/Poly
Fort Meade, Maryland, United States
$200k-$255k/yr OnsiteFull Time
Amentum
AmentumNYSE: AMTM: Provides engineering, technology, and mission support to government agencies.
Design, develop, test, and maintain low-level and high-performance software; proficiency with Python and ability to read C/C++ and x86 Assembly; experience with OS internals, compilers, and reverse engineering.
Python, C/C++, Assembly (x86)
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2w
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Product Analyst - Software Development
Reston, Virginia, United States
OnsiteFull Time
Securiport
Securiport: Provides biometric and big data solutions for global border security.
5+ YOEAdvanced degree in CS/Engineering plus 5+ years (or BS plus 8+ years) IT experience, system design and requirements expertise, strong communication, US work authorization, international travel as required.
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3d
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Space Planner - #847
Reston, Virginia, United States
OnsiteFull Time
Allen Integrated Solutions
Allen Integrated Solutions: Provides technical and engineering services for national security missions.
6+ YOEActive TS/SCI with CI polygraph required; 6+ years experience with bachelor's in architecture/interior design/facilities/engineering/planning or 10+ years in lieu of degree; ARCHIBUS, AutoCAD, Revit, MS Office, SharePoint, Adobe proficiency; domestic and international travel.
ARCHIBUS, AutoCAD, Revit, Microsoft Office, Microsoft SharePoint, Adobe
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