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 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.

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.

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.

Intern will support mechanical design and testing for spacecraft systems: develop CAD models, perform thermal and stress analysis, prototype and select materials, document results, and assist hardware testing using tools such as MATLAB. Internship runs Sep–Dec 2026 and includes mentorship and cross-functional development.

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.

Hands-on intern supporting electromagnetic design and analysis of electric motors. Responsibilities include building finite element models, sizing machines, developing Python analysis tools, conducting electromagnetic, thermal, and structural optimization studies, correlating simulations with dynamometer data, and documenting results.

Supports the design, simulation, testing, and validation of power electronics for electric propulsion systems. Responsibilities include developing PCB assemblies and wire harnesses, running MATLAB, LTspice, and Simulink analyses, troubleshooting hardware, operating high-voltage lab systems, evaluating prototypes, conducting root cause analysis, and preparing technical documentation and manufacturing instructions.

Design mechanical parts and assemblies for electric motor systems using SolidWorks. Perform structural, modal, thermal, fluid, and tolerance analyses; create ASME/GD&T drawings and bills of materials; support sourcing, prototyping, testing, validation, subsystem integration, and production builds. Interpret test results, identify root causes, recommend design improvements, and maintain safe processes and equipment.

Supports low-volume production across HPDM product lines by establishing manufacturing requirements, designing tools and fixtures, analyzing discrepancies, validating process improvements, and creating process plans and manufacturing bills of materials. Collaborates with design engineers, manufacturing engineers, and assembly technicians while leading lean continuous-improvement initiatives. Requires hands-on mechanical assembly experience, SolidWorks proficiency, strong engineering fundamentals, communication skills, and attention to detail.

Test Engineering Intern supporting R&D and production testing for electric motor products. Responsibilities include defining test requirements, designing SolidWorks parts and assemblies, creating bills of materials, supporting prototype manufacturing, executing verification and validation tests, analyzing results, identifying root causes, recommending design improvements, integrating system tests, and maintaining safe testing processes and equipment.

Participate in an eight-week or longer public accounting internship supporting audit engagements. Responsibilities include audit testing, risk assessment, industry and comparable-company research, financial reviews, written reporting, client communication, and workpaper documentation. Interns receive orientation, training, mentorship, and exposure to accounting and tax technology networks while working with firm staff and clients.

Create and edit social media reels, videos, graphics, stories, and cross-platform content for medspa and wellness brands. Manage engagement and profile optimization, support follower growth, maintain organized content assets, and compile reports using platform insights. The intern will manage multiple accounts and deadlines, work 10–15 hours weekly, and may grow into a full-time role.

Supports agrivoltaics research through stakeholder engagement, educational material development, geospatial analysis, on-farm energy data collection, and crop field research. The intern will study impacts on crop yield, phenology, soil health, and water stress; provide technical assistance; review literature; catalog energy opportunities; and analyze agriculture, energy, and water datasets. The role requires independent work within a collaborative research team and effective communication and recordkeeping.

Participate in a practical internship developing web, mobile, and digital applications. Build software development skills, apply programming logic to solve business problems, learn software architecture concepts, and collaborate in agile environments alongside experienced professionals on real-world projects.