Top Internships in Denver & Boulder, CO

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.

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.

PwC Tax Summer Intern (JD) will support tax teams by conducting research, participating in projects, learning PwC practices, and producing client-facing work. Interns develop professional skills, apply tax guidance, and prepare for a tax career while gaining exposure to areas like international tax, M&A, real estate, and SALT.

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 Telecom Operations Intern, assist in designing and testing AI/ML automation solutions, analyze network performance, and document technical workflows.

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

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

Work directly with founders to research AI SaaS markets, identify high-fit accounts and buyers, prepare personalized outbound, maintain CRM discipline, track replies/objections, run GTM experiments, and support founder-led sales to create real customer conversations.

The Sales Intern will support the sales team by generating leads, communicating with clients, preparing presentations, and maintaining CRM data, while actively learning sales strategies.

The Customer Support Intern will provide exceptional customer service through various communication channels, resolve inquiries, maintain records, and collaborate with team members to enhance support efficiency.

Support the sales team by generating leads, preparing presentations, and maintaining customer data while learning about sales strategies.

The Sales Intern will support the sales team in lead generation, client communication, preparation of sales materials, and administrative tasks while gaining industry knowledge and skills.

As an HR Recruiter Intern, you will source, screen, and interview candidates, manage relationships, and maintain accurate recruitment data while supporting hiring managers.

The Litigation Support Intern will assist in reviewing financial information, conducting research, performing forensic analysis, and preparing reports related to bankruptcy and fraud investigations.

Intern will assist in M&A due diligence and valuation services, analyze financial data, communicate findings, and prepare reports under supervision.

The GTM Strategy MBA Intern will develop go-to-market strategies, create marketing content, conduct competitive analysis, and utilize genAI tools to inform recommendations.

As a Software Engineering Intern, you will contribute to building features for user-facing products, APIs, and scalable services for machine learning. Responsibilities include crafting code, designing data pipelines, implementing tools, and enhancing technical documentation.

Support project managers with vendor sourcing and pricing, build/update proposals in PowerPoint, generate shipping labels, track shipments, and code/file invoices. Perform quality control, inventory management, and occasional gift packaging/fulfillment. Work on variable-sized projects, provide excellent client service under tight deadlines, and assist with administrative tasks in-office.

Support defense business development and acquisition planning by conducting market and opportunity research, analyzing contract vehicles and timelines, assisting proposal and capture activities, and supporting early-stage program management tasks (schedule, cost, risk). Requires translating military acquisition experience to a commercial startup environment, producing briefings and decision materials, and maintaining security-clearance eligibility with up to 20% travel.

Support the Supply Chain Contract Review Team by reviewing supplier contracts, amendments, SOWs, and legal documents; track contract status and approvals; maintain records; perform research, reporting, and data analysis; prepare correspondence and presentations; support audits and process-improvement projects while handling confidential information.

Paid part-time, grant-funded one-year internship producing social-first and multiplatform digital content. Assist with short-form video, podcasts, motion graphics, editing, audience engagement, trend research, content development, and creative brainstorming while supporting national and local projects.

Remote 6-month video editor internship producing short-form social videos and assisting on long-form pieces. Own captions, sound design, B-roll, color, and pacing. Work directly with founders and content team, use retention and engagement data to iterate, and bring an independent editorial point of view. Requires public portfolio and fluency in at least one NLE.

Remote 6-month content creator internship. You will pitch, script, record, edit, post, and analyze original social video and short-form content across YouTube, LinkedIn, X, and Instagram. Run experiments, iterate on retention and hooks, and work directly with the founder and video team. India-based candidates only.

Support social media and content marketing initiatives for a telehealth clinic focused on PCOS. Responsibilities include video editing, content creation, and campaign support.