Top Internships in Denver & Boulder, CO

Conduct corporate bond and municipal credit research, analyze issuer risk and financial developments, perform scenario and reinvestment break-even analyses, and present sector outlooks with investment recommendations. The intern will support asset management, security analysis, capital markets, and valuation activities while collaborating on team projects and providing administrative support as needed.

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.

Ten-week interns support DESRI’s Business Operations, Recruiting, and Human Capital teams. Responsibilities may include improving firmwide processes, coordinating cross-functional projects, conducting candidate research and recruiting analytics, supporting interview programs and employer branding, contributing to employee programs and talent management, and developing actionable people or operational analyses. Interns collaborate with mentors and project managers, visit a renewable energy asset, and present their work at the end of the summer.

Supports DESRI’s Legal team on renewable energy project development, acquisitions, financings, construction, and operations. Responsibilities include legal research, transaction and project document review and preparation, due diligence, and assistance with commercial and portfolio-related legal matters. The intern will collaborate with legal and business teams, gain exposure to project finance and transactional law, and present work to colleagues at the end of the 10-week program.

Ten-week summer interns support DESRI’s Finance & Acquisitions and Strategy teams by building financial analyses and investment models, conducting due diligence, researching power markets and competitors, evaluating renewable energy and storage opportunities, and synthesizing insights for investment and business planning decisions.

Participates in Molina Healthcare’s internship program through experiential learning, formal training, and interaction with healthcare business professionals. Maintains confidentiality and HIPAA compliance, follows company policies, meets attendance and work-quality expectations, and builds positive relationships with coworkers, clients, members, and healthcare providers.

Ten-week physical team internship supporting renewable energy projects across asset management, construction, engineering, development, preconstruction, project management, and project delivery. Responsibilities may include technical and commercial analysis, reporting, schedule and budget coordination, contractor and stakeholder coordination, project design evaluation, permitting and interconnection analysis, constructability, and cross-functional project execution for solar, battery storage, and wind assets.

Support digital marketing and community efforts in MENA: gather and manage data for content and campaigns, handle community queries on Telegram/Discord, use campaign portals (Task On, Galaxy, Zealy), conduct data research, assist lead generation, monitor campaign metrics, and follow the content plan to improve engagement and ROI.

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.

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 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.