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84 engineer internship jobs at 51 companies in Commerce City, CO

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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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1mo
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Entry-Level Civil Engineer
Denver, Colorado, United States
$68k-$89k/yr OnsiteFull Time
Langan
Langan: Provides integrated engineering, environmental, and site development consulting services.
0+ YOEBachelor's in Civil Engineering, 0–2 years experience, 3.0+ GPA, EIT or FE preferred, site/civil design internship or experience, strong communication and analytical skills.
AutoCAD, Civil 3D
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Networking 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 a relevant technical field, early-career engineering experience or internship, understanding of networking concepts (Ethernet, IP, routing, switching), strong troubleshooting and communication skills, ability to work from engineering drawings and technical documents.
Python, MATLAB, Wireshark, Linux, Ethernet, TCP/IP, UDP, VLANs, MPLS, SNMP, NETCONF, YANG
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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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2026 Intern Conversion - Industrial Engineer I
Seattle or Van Horn or Denver or Huntsville or Florida or Arlington or Los Angeles or Longmont or Reston or California or Colorado or Washington or Virginia
$69k-$105k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
Completed a 2026 Blue Origin internship, enrolled in or recently graduating from college, and holds a minimum B.S. in mechanical, aerospace, or astronautical engineering; U.S. work authorization required.
Defense Biometric Identification System (DBIDS)
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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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Associate Engineer - 2027 Leadership Development Program
Avon Lake or Englewood or Birmingham
OnsiteFull Time
Avient
AvientNYSE: AVNT: Manufacturer of specialized and sustainable polymer material solutions.
1+ YOEBachelor’s degree in an engineering or materials science field; graduation by program start and within the prior year. One year of experience preferred, including co-op or internship experience. Willingness to relocate and travel required.
Lean Six Sigma
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DoW SkillBridge Internship
San Ramon or San Diego or Los Angeles or Orange or San Jose or Seattle or Denver or Portland or Austin
HybridTemporary, Internship
Mott MacDonald
Mott MacDonald: Global engineering, management, and development consultancy for infrastructure projects.
Eligible for DoW SkillBridge; bachelor\u0002s degree in engineering, construction, project management or pursuing one; experience in engineering design or project management preferred; strong technical, leadership, and communication skills.
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Assistant Distribution Engineer- Distribution Modernization (Denver)
Denver, Colorado, United States
$80k-$115k/yr OnsiteFull Time
Burns & McDonnell
Burns & McDonnell: Engineering, architecture, and construction services for global infrastructure.
ABET-accredited bachelor's in engineering required, FE or EIT preferred, 3.0 GPA preferred, internship/consulting experience preferred, basic distribution knowledge, Microsoft Office proficiency, strong communication and analytical skills, legally authorized to work.
Microsoft Office
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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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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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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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Intern - Firmware Engineer - Fall 2026
Fort Collins or Denver or Minnesota or Massachusetts or California or Loveland or Boulder or St. Paul or Boston or San Jose or Stanford or Berkeley
$26-$36/hr OnsiteInternship
Advanced Energy
Advanced EnergyNasdaq: AEIS: Provides precision power conversion and control technology solutions.
Pursuing an MS or Ph.D. in firmware, computer, or electrical engineering; GPA above 3.25; experience with lab debugging, design tools, Windows, MS Office, and embedded firmware preferred.
oscilloscopes, power meters, multimeters, logic analyzers, firmware interface tools, Windows, Microsoft Office, CAD, UART, SPI, I2C
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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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Field-Based Engineering Internship
Odessa or Tulsa or Barnesville or Seguin or Denver or Tyler
FieldInternship, Full Time
Helmerich & Payne
Helmerich & PayneNYSE: HP: A petroleum contract drilling providing global energy services.
Current enrollment in a bachelor's or master's program, certification, or equivalent; strong analytical, communication, collaboration, presentation, teamwork, and leadership skills; adaptable to dynamic field operations.
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Kiewit Building Group - Field Engineer Intern (Summer 2026) 1
Omaha or Seattle or Washington or Lone Tree or Corpus Christi or Boulder or Dallas or El Paso or Abilene or Honolulu or Council Bluffs
$20-$25/hr FieldMultiple Commitments Available
Kiewit
Kiewit: Provides large-scale construction and engineering services for diverse infrastructure.
Pursuing a construction management or engineering degree; requires construction scheduling, cost control, drawing interpretation, Microsoft Office, communication, site access, travel or relocation, and a valid driver's license.
Microsoft Office, SureTrak, Hard Dollar, Revit, SAP, Pro Log, Primavera P6
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3w
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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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