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.

Remote internship assisting with software application development, testing, debugging, maintenance, API integrations, code reviews, documentation, and product delivery. The role provides mentorship and hands-on experience for students, freshers, or aspiring developers while developing clean, maintainable code and learning industry practices.

Summer construction internship supporting field project teams with record documents, inspections, progress photography, daily reports, scheduling data, submittals, change orders, RFIs, meetings, contract document review, surveying, safety talks, and hands-on project tasks. The role is on-site, requires 40+ hours weekly for at least 10 weeks, and may include overtime, weekends, outdoor work, and varying project conditions.

Remote student intern to support community-scale air quality monitoring research and education: literature review, review of existing programs, sensor network integration planning, environmental data collection, analysis, visualization, and development of community science and educational materials.

Graduate intern will research uncertainty quantification and hallucination detection for multi-turn LLM-based scientific assistants, develop probing methods for internal representations, build evaluation pipelines on HPC/multi-GPU systems, run experiments across scientific domains, and produce research code, documentation, and publications.

Assist the III-V semiconductor team with large-area device processing and characterization. Perform cleanroom fabrication (lithography, metal deposition, chemical etching) and use techniques like X-ray diffraction, electron microscopy, IV and optical probing to evaluate material and device quality and support DOE research goals.

Remote internship supporting research and education on carbon management, bio-based products, industrial and large energy-load systems. Tasks include literature reviews, data collection, spreadsheet analysis, performance comparisons, and developing student-facing curriculum, presentations, and technical summaries for researchers and partners.

Conduct ML/AI research for power system operations, develop LLM/NLP-based solutions, collaborate with stakeholders, contribute to research papers, and work independently on projects.

Graduate intern will research and analyze economic, job, and social impacts of wind project decommissioning and replacement scenarios; conduct stakeholder outreach; develop informational resources; support job and workforce analysis; assist report writing and collaborate with researchers to advance community preparedness and planning for decommissioning.

Support faculty development and instructional quality for ERAU Worldwide by reviewing courses, observing teaching, designing and delivering professional learning, ensuring adherence to best practices and contractual standards, and participating in special projects to improve course management and student success.