Top Internships in Denver & Boulder, CO

Participate in aerospace and defense software engineering projects under mentorship. Complete technical assignments, prepare documentation, analyze technical data, attend planning meetings, perform hands-on work, support process improvements, and collaborate with cross-functional teams. Interns will develop practical engineering skills through workshops and direct involvement in company projects. The role may involve laboratory or workshop environments, occasional lifting, and travel as required.

Participates in aerospace and defense systems engineering projects through technical assignments, documentation, data analysis, planning meetings, hands-on work, and process improvement. The intern receives mentorship, collaborates with engineering teams, attends workshops, and supports real-world ISR and aviation programs while developing technical and professional skills.

Participates in hands-on mechanical engineering projects within an aerospace and defense environment. Responsibilities include technical documentation, data analysis, engineering support, project planning, hands-on assignments, process improvement, and collaboration with experienced professionals. The intern receives mentorship, attends workshops, and contributes to team objectives while developing practical technical and professional skills.

Participate in hands-on test engineering projects within an aerospace and defense environment. Responsibilities include completing technical assignments, preparing documentation and reports, analyzing technical data, attending planning meetings, supporting process improvements, and collaborating with experienced engineers. The intern will gain practical experience through mentorship, workshops, and laboratory or workshop activities while developing engineering and professional skills.

Participate in technical aerospace and defense projects under mentorship. Responsibilities include maintaining technical documentation, analyzing data, attending planning meetings, completing hands-on assignments, supporting process improvements, and collaborating with cross-functional teams. The intern will develop project coordination, analytical, technical, and professional skills through workshops and direct project involvement.

Electrical Engineering Interns support technical aerospace and defense projects through hands-on assignments, technical documentation, data analysis, engineering decision support, planning meetings, and process improvement. The role includes mentorship, workshops, and cross-functional collaboration in an ISR and aviation environment. Interns must be enrolled in an engineering or related technical program and be able to obtain and maintain a Secret U.S. security clearance.

Researches local home service businesses, conducts multi-channel outreach, onboards merchants, maintains partnership pipelines, helps create sales materials, gathers feedback, and tracks outreach and conversion metrics. This part-time remote internship includes occasional local fieldwork and focuses on expanding Nearby.ai’s merchant network.

Supports DIRECTV’s tax and finance organization through property tax analysis, financial analysis of tax legislation, SQL reporting from Snowflake, data visualization, process documentation, and cross-functional collaboration. The intern will synthesize data-driven insights, present findings to leaders, and contribute to internal tax processes and software initiatives during a 10-week remote summer program.

Supports Finance and Audit teams with project planning, business process and internal control evaluations, data analysis, audit documentation, dashboards, automation, and stakeholder communications. The intern analyzes financial, operational, system, and control data to identify risks and opportunities while maintaining confidentiality. This is a 10-week fully remote internship for students pursuing Finance, Accounting, Data Analytics, Supply Chain, Information Systems, or related degrees.

Summer Content Intern supporting DIRECTV’s content strategy, contracts and compliance, programming, and content development teams. Responsibilities include data analysis, benchmarking, dashboard creation, reporting, database implementation, data audits, contract review, channel and competition analysis, competitive intelligence research, and cross-functional project support. The role is a 10-week remote internship focused on improving programming, content engagement, and discovery across satellite and internet platforms.

Supports assurance and SOC engagements by planning assessments, evaluating business and information technology controls, testing evidence, identifying risks and gaps, documenting conclusions, drafting client deliverables, and participating in client communications. Interns collaborate across engagement teams, manage multiple priorities, learn assurance technologies, support business development and recruiting activities, and gain experience with SOC, HIPAA, and HITRUST projects under experienced supervision.

Supports wealth management branches through marketing and sales activities, market research, and business assignments. Develops financial, analytical, communication, and interpersonal skills while gaining exposure to wealth management products, services, clients, and organizational operations. Collaborates with teams and interprets information to support business needs during a limited-duration internship of up to ten months.

Supports Growth Marketing across email, SMS, and app channels by editing, testing, QAing, scheduling, tagging URLs, reviewing creative, planning content calendars, reporting, and conducting competitive research. The intern uses tools such as Klaviyo and Asana, helps optimize campaigns, and supports miscellaneous marketing projects while maintaining brand guidelines and strong attention to detail.

MBA internship opportunity with Montauk Capital, an investment management and venture studio platform focused on software-enabled industrial and energy systems. Interns may engage in venture building, venture investing, platform operations, or roles supporting portfolio companies. Candidates are invited to submit a resume and specify their areas of interest for future fit-based opportunities.

Supports hydro and dam engineering projects through proposal development, scheduling, cost estimating, project administration, technical writing, geotechnical data review, material characterization, field investigations, research, and regulatory standards review. Uses CAD, GIS, GeoStudio, RocScience, and Bluebeam while working with multidisciplinary teams. The internship is intended for students pursuing geological engineering, geology, civil engineering, or a related discipline.

Participate in pricing strategy, operations, analytics, and customer pricing execution. Interns help establish pricing guidelines, analyze market and competitive data, identify trends, recommend price adjustments, collaborate with regional and business teams, and develop or refine tools supporting pricing analysis and revenue growth.

Remote unpaid video-editing internship: edit and assemble raw footage into polished content, add transitions, color correction, sound design, graphics and captions, adapt assets for social platforms, manage multiple projects, iterate on stakeholder feedback, and organize media libraries while collaborating with marketing and creative teams.

Support marketing analytics by analyzing digital channel performance, building and maintaining KPI dashboards, ensuring data accuracy, and collaborating with cross-functional teams to turn insights into actionable recommendations.

Remote, unpaid 6-month UI/UX internship (20 hrs/week) supporting the Marketing team: create wireframes, prototypes, high-fidelity designs, conduct user research and usability testing, maintain design systems, collaborate cross-functionally, iterate based on feedback, and support product strategy while meeting deadlines.

Remote unpaid 20-hr/week graphic design internship supporting marketing: create social, presentation, web, and multimedia assets; maintain brand consistency; iterate on designs; collaborate with teams; learn design and digital marketing best practices.

Support JMI's marketing team by creating customer profiles, helping develop targeting strategies for other interns, and completing a flexible, course-aligned market research project under mentor guidance.

Create standard design guidelines and graphic assets to support the marketing team and fellow interns. Work is project-based, guided by a volunteer mentor, and flexible to meet course internship requirements.

Project-based marketing internship creating a marketing strategy for JMI's educational content. Interns work within a six-person marketing team, are matched with volunteer mentors, and will produce strategic media to promote content and membership. Flexible project scope to meet spring internship course requirements.

Student internship supporting People Operations: create a strategic hiring plan for a part-time Coordinator, build internal communication structures for the internship program, and complete a course-aligned project with mentor guidance to develop internal processes for educational and marketing teams.

Work as a Python development intern building applications and APIs, processing and analyzing data, working with databases and data pipelines, contributing to system architecture, writing clean documented code, and collaborating with the team. Strong emphasis on backend development, SQL, ORMs, and REST API design with potential conversion to full-time.