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80 engineer internship jobs at 57 companies in Colorado

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Environmental Engineer
Denver or Houston
$95k-$125k/yr HybridFull Time
BP
BPLondon Stock Exchange: BP: BP explores, refines, and distributes global energy products.
0+ YOEBachelor's degree in engineering or related science; early‑career (internship to ~3 years) environmental/sustainability experience; strong analytical, communication, and data skills; willing to travel up to 10%.
Microsoft Office Suite, Microsoft Excel
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1mo
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Graduate (Year-Round) Internship – Digital Twin Development for Biorefinery Processes
Golden or Boulder or Washington
$45k-$71k/yr OnsiteInternship, Full Time
National Laboratory of the Rockies
National Laboratory of the Rockies: Conducts applied research in energy systems and technology innovation.
Graduate-level internship requiring programming in Python or C++, experience modeling chemical reactors (Cantera) and integrating CFD, GPA ≥3.0, enrolled or recently completed relevant degree in computational/engineering/physical/biological sciences.
Python, C++, Cantera, CFD, Aspen Plus, AnyLogic, TwinCAT, Siemens Xcelerator
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4w
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Payload Systems Engineer I
Greenwood Village, Colorado, United States
$80k-$95k/yr OnsiteFull Time
York Space Systems
York Space SystemsNYSE: YSS: Designs and manufactures modular spacecraft platforms and mission solutions.
Bachelor's in engineering or physics, early-career hardware/internship experience, ability to read engineering docs, strong troubleshooting, written/verbal communication, and ability to work cross-functionally.
Python, MATLAB, CAD
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3w
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Intern- Product Engineer
Colorado Springs, Colorado, United States
OnsiteFull Time, Temporary
Infineon Technologies
Infineon TechnologiesFrankfurt Stock Exchange: IFX: Designs and manufactures semiconductors for power and IoT systems.
Pursuing or recently completed B.S. or M.S. in EE/CE/CS or related field; strong academic record; engineering fundamentals; willing to relocate and work on-site in Colorado Springs; internship ~3 months.
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Transmission Planning Engineer, or Staff, or Senior Engineer
Denver, Colorado, United States
$70k-$129k/yr HybridFull Time
Xcel Energy
Xcel EnergyNASDAQ: XEL: Provides electricity and natural gas services to multi-state customers.
0+ YOEBachelor's degree in Electrical Engineering or Physics; 0+ years experience; proficiency with power system planning tools; EIT/FE preferred; internship experience in power industry.
PSSE, PSLF, TARA, PSCAD, DSA Tools
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1mo
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MEP Electrical Engineer
Denver or Alaska or Arkansas or California or Connecticut or Delaware or Hawaii or Kentucky or Massachusetts or Rhode Island or Vermont or Puerto Rico or United States
$75k-$90k/yr OnsiteFull Time
Short Elliott Hendrickson
Short Elliott Hendrickson: Provides engineering, architecture, planning, and environmental consulting services.
0+ YOEBachelor's in Electrical Engineering, Revit or AutoCAD experience, ability to obtain EIT within one year, coursework/internship experience related to building electrical systems, must reside in Denver metro or relocate, occasional travel.
Revit, AutoCAD
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Associate Systems Engineer - Mission Architecture and Systems Engineering
Westminster, Colorado, United States
$86k-$127k/yr OnsiteFull Time
Vantor
Vantor: Providing AI-powered spatial intelligence and high-resolution Earth observation.
1+ YOEU.S. person required. Bachelor's in engineering or related,1–3 years experience or internship,fundamental systems engineering knowledge,requirements management and MBSE/SysML exposure,and strong written/verbal communication.
IBM DOORS Next, Jama Connect, Polarion, Cameo Systems Modeler, Enterprise Architect, MagicDraw, Ansys, STK, Git, Jira, Confluence, SysML, MBSE
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1mo
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Product Design Engineer I
Aurora, Colorado, United States
OnsiteFull Time
CenCore Group
CenCore Group: Provides secure modular facilities and professional defense security services.
0+ YOEU.S. citizen with a bachelor’s degree in an engineering discipline, 0–3 years relevant experience (including internships), foundational manufacturing and design knowledge, Microsoft Office proficiency, CAD/PLM/ERP experience preferred.
Microsoft Office, SolidWorks, AutoCAD, Creo, Inventor, PLM, ERP
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Mechanical Design Engineer I
Thornton, Colorado, United States
$75k-$85k/yr OnsiteFull Time
Forge Nano
Forge Nano: Manufactures precision nano-coating equipment and advanced battery materials.
0+ YOEBachelor's in mechanical engineering, 0–2 years experience (internships/co-ops acceptable). Proficient in CAD (SolidWorks, AutoCAD), DFM/DFA, GD&T basics, BOM and documentation, strong problem-solving and teamwork skills.
SolidWorks, AutoCAD, PDM/PLM
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Aerospace Systems Engineer I – Early Career (2026 Starts)
Kent or Seattle or Denver or Longmont or Reston or Cape Canaveral
$75k-$114k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
0+ YOEBS in engineering or technical field (recent grads eligible, start by Fall 2026); experience or internships in systems/aerospace/mechanical/electrical engineering; requirements development, test, integration, and verification skills; strong communication.
Jama, Rhapsody, Cameo
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Internship: Signal Design
Littleton, Colorado, United States
$25/hr OnsiteInternship
Stacy Witbeck
Stacy Witbeck: Full-service contractor specializing in heavy civil and transit infrastructure.
Pursuing a BS in Electrical/Electronic Engineering, Matlab/Python and Microsoft Office proficiency, Circuits coursework, strong analytical and communication skills, able to lift up to 25 lbs.
Matlab, Python, Microsoft Excel, Microsoft PowerPoint, Microsoft Visio, Box, Smartsheet, PLC
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2mo
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Traveling Entry Level Field Engineer (Heavy Civil)
Denver, Colorado, United States
OnsiteFull Time
Structural Group
Structural Group: Provides specialty structural repair, engineering, and infrastructure maintenance services.
0+ YOEBachelor’s degree in Civil Engineering or Construction Management; internship experience; willingness to travel 70%+; strong communication and organizational skills; reliable transportation to job sites.
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Engineering Internship Summer 2026
Loveland, Colorado, United States
$16-$20/hr OnsiteInternship
Enthusiast Auto Holdings
Enthusiast Auto Holdings: Direct-to-consumer e-commerce retailer of specialty performance automotive parts.
Pursuing a bachelor's in mechanical engineering or related field; CAD proficiency (SolidWorks/CATIA), welding experience (MIG/TIG), strong analytical and communication skills; independent and team work capability.
SolidWorks, CATIA, NetSuite, Salesforce
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1mo
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Guidance, Navigation, & Control (GNC) Engineer II
Westminster, Colorado, United States
$113k-$136k/yr OnsiteFull Time
CesiumAstro
CesiumAstro: Develops phased array communication systems for satellites and aircraft.
2+ YOEMS or PhD in Aerospace Engineering required, 2+ years internship/research/industry experience in satellite attitude and orbit systems, expertise in attitude estimation/guidance/control, Python and C++ fluency, familiarity with STK/Basilisk/GMAT/FreeFlyer, US export-eligibility required.
STK, Basilisk, GMAT, FreeFlyer, Python, C++
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2mo
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Manufacturing Engineer Intern
Louisville, Colorado, United States
$23-$37/hr OnsiteFull Time, Internship
H3X
H3X: Manufacturer of high power density electric motors for sustainable aviation.
0+ YOEPursuing a Mechanical Engineering degree; GPA 3.0+, hands-on assembly experience; SolidWorks; strong communication; detail-oriented; eager to learn.
SolidWorks
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1w
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Electrical Engineer Intern - Oil & Gas
Lakewood, Colorado, United States
$27/hr HybridInternship
NEI Electric Power Engineering
NEI Electric Power Engineering: Engineers high-voltage electrical infrastructure and renewable energy systems.
Pursuing a bachelor's in electrical engineering, coursework/project experience, AutoCAD experience, effective communication, able to lift 25 lbs, authorized to work in the U.S.
AutoCAD
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2mo
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Senior Electrical Engineer - Battery Energy Storage Systems (BESS)
Phoenix or Round Rock or Reno or Austin or Denver or Portland or Chicago or Minneapolis or Tucson or Ann Arbor or Las Vegas or Dallas or Albuquerque or Madison or Milwaukee
HybridMultiple Commitments Available
HDR
HDR: Global firm providing architecture, engineering, and environmental services.
10+ YOESenior Electrical Engineer for Battery Energy Storage Systems with 10+ years of design experience; PE license; proficient with CAD/analysis tools.
AutoCAD, Revit, SKM, AGI, Easy Power, Microsoft Office
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Modeling & Simulation Systems Engineer (Engineer Sys Mod Sim 3) - National Capitol Region (Reston, VA, Virginia, United States)
Reston or Colorado Springs or Dayton or Omaha or Albuquerque
$111k-$160k/yr HybridMultiple Commitments Available
HII
HIINYSE: HII: Builds naval ships and provides global defense technology solutions.
5+ YOEBachelor's degree in engineering or OR/Math; 5-10 years experience; Python, C++, MATLAB; MBSE/SysML; SCI eligible; travel ~20% CONUS.
Cameo Systems Modeler, AFSIM, Python, C++, MATLAB, SysML
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Manufacturing Engineer (Early Career Exceptional Talent)
Centennial, Colorado, United States
$70k-$94k/yr OnsiteFull Time
Boom Supersonic
Boom Supersonic: Develops supersonic passenger aircraft and sustainable propulsion systems.
Degree in mechanical/manufacturing/aerospace/industrial engineering or equivalent experience, 1+ internship/co-op, required hands-on manufacturing/shop experience, strong problem solving and ownership.
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Summer 2027 Intern - Hardware Engineering
Colorado Springs or Irvine or Longmont or Fremont or Rochester or San Jose
$34-$47/hr HybridInternship
Western Digital
Western DigitalNASDAQ: WDC: Design and manufacture data storage devices and systems.
0+ YOEEarly-career candidates pursuing or holding technical degrees in engineering or related fields; experience via coursework, internships, projects; familiarity with programming, embedded systems, digital logic, or hardware design; strong analytical and communication skills.
RTL, Verilog/SystemVerilog, FPGA, C, C++, Assembly, Python, Java, Go, SQL, JavaScript, CAD, Git, Linux, Microsoft Office, RTOS
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