instrument-controls-engineering-intern-power-denver Burns & McDonnellinstrument-controls-engineering-intern-power-denverDenver, CO$19–$39 / hourThis includes gas turbines, utility-scale battery storage, hydrogen electrolysis, carbon capture technologies, solar, and nuclear plant services. Burns & McDonnell's sick leave program includes the paid sick leave entitlements provided under the Colorado Healthy Families and Workplaces Act (HFWA).
Transportation Summer Intern 2027 Burlington Northern Santa Fe LLCTransportation Summer Intern 2027Denver, CODaily work is conducted in a mixed indoor office and outdoor safety-sensitive environment, where working conditions can include diverse and extreme weather conditions (hot, cold, rain, snow, and sleet), walking and performing work on uneven surfaces, and working around loud noises, fumes, and heavy/moving machinery. Training will start with a two-day orientation in Fort Worth, Texas, offering a company overview and networking with leaders, followed by support on ongoing projects and practical field training at an assigned location.
civil-engineering-intern-water-municipal-denver Burns & McDonnellcivil-engineering-intern-water-municipal-denverDenver, CO$19–$35 / hourThe Water group is responsible for the planning and design of facilities and processes related to drinking water supply, treatment and distribution, wastewater treatment, stormwater management, and more. Burns & McDonnell's sick leave program includes the paid sick leave entitlements provided under the Colorado Healthy Families and Workplaces Act (HFWA).
Electrical Engineer Intern Energy & Industrial Group (Summer 2027) Sargent & Lundy LLCElectrical Engineer Intern Energy & Industrial Group (Summer 2027)Englewood, CO$18–$30 / hourIn this role, we expect people to be willing or able to solve problems using modern tools: You are expected to take engineering problems from issue to solution using data and modern tools such as automation and AI to improve workflows, reduce rework, and deliver cost-effective designs. Many engineers in these roles build or use automation to create calculations, summarize technical documents, or draft design documentation, including appropriate use of agentic AI tools, with strong engineering judgment and verification of results.
Water Resources Engineering Intern (Summer 2027!) CDM Smith IncWater Resources Engineering Intern (Summer 2027!)Denver, COIn addition, during employment individuals may be required by CDM Smith or a CDM Smith client to successfully complete additional background checks, including motor vehicle record as well as drug testing. During this internship with our Water Resources group students will work closely with senior engineers participating in a variety of water resources engineering projects that include hydrologic, hydraulic, water quality or systems modeling.
Newsustainability-design-intern-environmental-services-sustainability-denver Burns & McDonnellsustainability-design-intern-environmental-services-sustainability-denverDenver, CO$19–$35 / hourOur Sustainability team provides sustainable design and construction consulting services across facility and infrastructure projects including but not limited to LEED, Envision, SITES, and embodied carbon consulting. The Environmental Services group is responsible for the full life cycle of infrastructure development, from permitting new projects to the remediation of contaminated soil, groundwater and emerging contaminants.
structural-engineering-intern-transmission-distribution-civil-structural-denver Burns & McDonnellstructural-engineering-intern-transmission-distribution-civil-structural-denverDenver, CO$19–$35 / hourThe Transmission & Distribution group is responsible for the planning and design of electrical transmission projects in power delivery, including overhead transmission, underground transmission, distribution systems, substation design, telecommunication & network engineering, pipelines, renewable power integration, security, grid modernization and more. Burns & McDonnell's sick leave program includes the paid sick leave entitlements provided under the Colorado Healthy Families and Workplaces Act (HFWA).
Mechanical Engineer Intern - Energy & Industrial (Summer 2027) Sargent & LundyMechanical Engineer Intern - Energy & Industrial (Summer 2027)Englewood, Colorado$18–$30 / hourDepending on the role, employees may use data, automation, artificial intelligence, and other digital tools to support research, analysis, engineering and design activities, workflow improvement, or other aspects of their work. As a Mechanical Engineering Intern, you will be assigned to work on a project team in our Energy & Industrial Group business unit and assist the engineering team members in the execution of their project work.
Transmission & Distribution Engineer Intern Grid (Summer 2027) Sargent & Lundy LLCTransmission & Distribution Engineer Intern Grid (Summer 2027)Englewood, CO$18–$30 / hourWorking under the direction of senior engineers, this internship will offer you the opportunity to utilize and expand your academic background in Civil, Structural, Mechanical, Electrical, or other Engineering disciplines in one or more of the following areas: Assist in the preparation of engineering calculations, specifications, and designs. Depending on the role, employees may use data, automation, artificial intelligence, and other digital tools to support research, analysis, engineering and design activities, workflow improvement, or other aspects of their work.
Metasurface Resonant Photonic Design Intern - 988 Quantinuum LLCMetasurface Resonant Photonic Design Intern - 988Broomfield, CO$41–$55 / hourWith active engagements spanning pharmaceuticals, material science, financial services, government, industrial sectors, and leading academic and research institutions worldwide, we are helping organizations unlock the transformative potential of quantum computing. Experience with modeling and design of photonic devices using resonant mechanisms such as quasi-bound states in the continuum, Fano resonances, Mie resonances, guided mode resonances, non-local metasurfaces, etc.
Electrical Engineering Intern (Summer 2027) Sierra Nevada CorpElectrical Engineering Intern (Summer 2027)Englewood, CO$18.13–$31.72 / hourThe ISR (Intelligence, Surveillance & Reconnaissance), Aviation, and Security (IAS) business area is a leader in ISR and aviation, it is a leading prime manned and unmanned aircraft systems integrator for innovative, high-performance ISR and aviation systems. Its end-to-end Command, Control, Computers, Communications and Intelligence, Surveillance & Reconnaissance (C4ISR) capabilities encompass design, integration, test, certification, ground/flight training and complete logistics support.
civil-engineering-intern-water-systems-denver Burns & McDonnellcivil-engineering-intern-water-systems-denverDenver, CO$19–$35 / hourThe Water group is responsible for the planning and design of facilities and processes related to drinking water supply, treatment and distribution, wastewater treatment, stormwater management, and more. Burns & McDonnell's sick leave program includes the paid sick leave entitlements provided under the Colorado Healthy Families and Workplaces Act (HFWA).
Mechanical Engineering Intern - Nuclear (Summer 2027) Sargent & LundyMechanical Engineering Intern - Nuclear (Summer 2027)Englewood, Colorado$18–$30 / hourThis position requires active enrollment in a Bachelor’s or Master’s of Science degree i n Mechanical Engineering, Chemical Engineering, Nuclear Engineering, General Engineering, or Systems Engineering with a strong academic background and coursework in mechanical systems analysis, including thermodynamics, fluid mechanics, and/or heat transfer . Since 1954, we’ve been a trusted leader in nuclear engineering, design, and licensing, with expertise spanning small modular reactors (SMRs), advanced reactor technology (ART), and first-of-a-kind commercial reactor restart projects.
Civil Engineering (Transmission) Intern - Summer 2027 WSP Global IncCivil Engineering (Transmission) Intern - Summer 2027Lakewood, CO$23.90–$31.11 / hourWSP USA is providing the compensation range that the company in good faith believes it might pay and/or offer for this position within the state of Colorado, based on the successful applicant's education, experience, knowledge, skills, and abilities in addition to internal equity and specific geographic location. Any unsolicited resumes, including those submitted to hiring managers or other business leaders, will become the property of WSP and WSP will have the right to hire that candidate without reservation - no fee or other compensation will be owed or paid to the recruiter, employment agency, or other staffing service.
Water Resources Engineering Intern - Summer 2027 AtkinsRealis Group IncWater Resources Engineering Intern - Summer 2027Denver, CO$25–$31 / hourAs an Intern, you will participate in Explore, our intern development initiative, and will enjoy a host of benefits including: Competitive salary Hands-on experience with industry leaders Support and mentorship from various professionals throughout the business Career and educational exploration opportunities such as Client Site Visits, Weekly Lunch & Learns, & various virtual and/or in-person activities. Note to staffing and direct hire agencies: In the event a recruiter or agency who is not on our preferred supplier list submits a resume/candidate to anyone in the company, AtkinsRéalis family of companies, we explicitly reserve the right to recruit and hire the candidate(s) at our discretion and without any financial obligation to the recruiter or agency.
environmental-scientist-intern-environmental-services-environmental-studies-denver Burns & McDonnellenvironmental-scientist-intern-environmental-services-environmental-studies-denverDenver, CO$19–$30 / hourThe Environmental Services group is responsible for the full life cycle of infrastructure development, from permitting new projects to the remediation of contaminated soil, groundwater and emerging contaminants. This includes support for municipal, state and federal government clients, along with clients in the transportation, manufacturing, industrial, oil and gas, chemical and utility sectors.
project-management-intern-construction-denver Burns & McDonnellproject-management-intern-construction-denverDenver, CO$19.50–$37 / hourThe Construction group is responsible for construction phase services in the design-build process and support for safety and health, estimating, pre-construction, field operations, quality and project management. Burns & McDonnell's sick leave program includes the paid sick leave entitlements provided under the Colorado Healthy Families and Workplaces Act (HFWA).
NewArborist-Trainee-Intern-SE_-Denver The Davey Tree Expert CoArborist-Trainee-Intern-SE_-DenverDenver, CODavey has a unique culture that focuses on the open exchange of ideas, community partnerships, a commitment to safety, and delivering unrivaled client service while acting as industry leaders in horticultural and environmental services. The Davey Tree Expert Company is looking for exceptional students who are interested in expanding their field experience in the areas of Tree Care, Plant Health Care, Sales and Client Services.
Roads & Highways Engineering Intern - Summer 2027 AtkinsRealis Group IncRoads & Highways Engineering Intern - Summer 2027Denver, CO$25–$31 / hourAs an Intern, you will participate in Explore, our intern development initiative, and will enjoy a host of benefits including: Competitive salary Hands-on experience with industry leaders Support and mentorship from various professionals throughout the business Career and educational exploration opportunities such as Client Site Visits, Weekly Lunch & Learns, & various virtual and/or in-person activities. Note to staffing and direct hire agencies: In the event a recruiter or agency who is not on our preferred supplier list submits a resume/candidate to anyone in the company, AtkinsRéalis family of companies, we explicitly reserve the right to recruit and hire the candidate(s) at our discretion and without any financial obligation to the recruiter or agency.
Project Engineering Intern - Summer 2027 AtkinsRealis Group IncProject Engineering Intern - Summer 2027Denver, CO$25–$31 / hourAs an Intern, you will participate in Explore, our intern development initiative, and will enjoy a host of benefits including: Competitive salary Hands-on experience with industry leaders Support and mentorship from various professionals throughout the business Career and educational exploration opportunities such as Client Site Visits, Weekly Lunch & Learns, & various virtual and/or in-person activities. Note to staffing and direct hire agencies: In the event a recruiter or agency who is not on our preferred supplier list submits a resume/candidate to anyone in the company, AtkinsRéalis family of companies, we explicitly reserve the right to recruit and hire the candidate(s) at our discretion and without any financial obligation to the recruiter or agency.