Top Internships in Denver & Boulder, CO

Participate in BAE Systems’ LEAP internship program while designing, modeling, and testing antenna and RF hardware for ground, mobile, and space-based applications. Work under senior engineer supervision, use RF laboratory equipment and modeling tools, collaborate with cross-functional teams, and maintain a regular on-site schedule. The role is based in an office, laboratory, cleanroom, or production-floor environment.

Participate in BAE Systems’ LEAP internship program while designing, modeling, and testing antenna and RF hardware for ground, mobile, and space applications under senior engineering supervision. Collaborate across teams, maintain a predictable schedule, and work in office, laboratory, cleanroom, and production-floor environments. The role requires familiarity with RF laboratory equipment, electromagnetic and RF circuit modeling tools, and programming languages. On-site attendance five days per week is required.

Design, model, and test antenna and RF hardware for ground, mobile, and space-based applications under senior engineer supervision. Use electromagnetic and RF circuit modeling tools, laboratory equipment, and programming languages while collaborating with cross-functional teams. Maintain a predictable schedule and professional working relationships in an on-site office, laboratory, cleanroom, or production-floor environment.

Support planning, executing, and optimizing paid digital acquisition campaigns. Coordinate content and landing pages, run A/B tests, analyze marketing data, create performance reports, and recommend optimizations to improve ROAS.

Manage three branded Reddit accounts: post 2–3 times per week per brand, engage with users and comments per brand guidelines, craft brand-specific Reddit strategies, and coordinate with an outside contractor to manage meetings and goals.

Part-time remote internship supporting the Email Automation team: transfer and code email copy into templates, maintain templates, perform QA, run semi-weekly A/B tests and data tracking, and assist with organizational and cross-functional email operations.

Assist in monitoring insider risks, support data protection, investigate security alerts, and maintain operational governance in a security team.

Hands-on internship supporting design, development, and testing of ground support equipment (GSE) for spacecraft. Tasks include mechanical and electrical design, PCB/layout support, DAQ integration, test system fabrication and checkout, wiring and signal-integrity work, documentation, on-site test support, and collaboration with cross-functional engineering teams.

The Phishing Analyst-SkillBridge Intern will assist in threat detection and analysis, focusing on phishing attempts. Responsibilities include identifying and mitigating threats using AI and collaborating with teams to enhance cybersecurity measures.

Part-time remote legal internship supporting regulatory and marketing compliance. Conduct FDA/FTC and advertising legal research, review marketing materials, draft memos, assist with contract lifecycle and corporate records, and support policy and training development.

Remote internship supporting tax research, testing, and documentation. Duties include researching tax form changes, interpreting tax code updates, writing requirements for programmers, designing and executing test cases, validating tax calculations, and contributing to release notes and customer guidance while learning tax software and tools.

Manage day-to-day operations for two YouTube podcast channels: review 3–4 edited videos weekly, curate IG/TikTok clips, maintain podcast/YouTube schedule, write podcast ads, create mash-up episodes, and support PR/marketing projects and freelance editing coordination.

This intern role in Federal Security Operations focuses on cybersecurity, project tracking, and maintaining relationships with customer stakeholders in a mission-driven environment.

This internship role focuses on SRE skills, requiring collaboration and problem-solving in dynamic environments for Zscaler's Zero Trust Exchange team.

As a Detection Engineer Intern, you will analyze telemetry, research coverage opportunities, improve workflows, and communicate threat findings effectively.

Tax Interns will prepare tax returns, conduct basic tax research, and learn foundational tax concepts while supporting clients across various industries.

Part-time internship supporting CRM architecture, data integrity, process documentation, operational audits, and KPI dashboarding. Build SOPs, centralize lead/project data, identify workflow bottlenecks, and deliver reporting to leadership to scale and improve operational processes.

Part-time unpaid internship supporting sales and marketing: prospecting and cold calling, building and managing campaign pipelines, analyzing marketing systems, defining ICPs, and executing multi-channel outreach while developing campaign assets and presentation skills.

Hands-on internship offering cross-functional exposure to consulting, marketing, HR, operations, sales, partnerships, events, and content. Interns receive mentorship, structured development, real responsibility, and potential consideration for future roles.

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 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.

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 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.

Create an introductory Development Economics course (focus on economic history and public institutions) using a chosen educational medium; work with a volunteer mentor and JMI staff to meet internship course requirements.

Project-based internship to create an introductory Economic Anthropology course (medium of your choice) focused on sustainability, equity, and efficiency. Interns are matched with volunteer mentors, must meet academic internship requirements, and will develop educational content flexible to course needs.