Top Internships in Denver & Boulder, CO

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

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.

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.

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.

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.

Support Tier 2 network operations: install and maintain LAN/WAN devices, respond to incident tickets, assist Tier 3 engineers on surveys and equipment installs, perform configuration management, update topology drawings, and maintain accurate asset inventories.

SkillBridge/Hiring Our Heroes internship for active-duty U.S. military to develop Java Spring Boot microservices and backend REST APIs for satellite ground planning. Collaborate with systems engineers, support integration/testing, participate in code reviews, and contribute to DevOps (GitLab, CI/CD, containers). Follow secure development practices in a classified environment while learning under Radix mentors.

Part-time remote internship conducting competitive and labor-market research for skilled trades and infrastructure training, synthesizing insights using AI-assisted methods, pricing analysis, and delivering written and verbal reports to inform product and market strategy.

Intern will build Zepho's social media presence, create content, manage influencer relationships, and track performance metrics. This role offers potential for full-time conversion.

As an Intern, you will assist with day-to-day tasks, participate in meetings, support departmental operations, and help with SAP implementation projects.

Six-month People Operations (HR) internship supporting onboarding, payroll audits, benefits enrollments, compliance documentation, HRIS maintenance (e.g., Rippling), employer branding, and cross-functional HR/Finance projects. Gain hands-on experience with employee lifecycle, data accuracy, and HR systems while assisting state reporting and agency liaison work.

Work on grid automation and software projects, enhancing existing solutions and developing new features. Apply electrical engineering and AI/ML techniques to solve power-system challenges, contribute to pilot projects, and collaborate with cross-functional teams to advance grid technology.

The People Team Intern supports payroll, benefits management, executive assistant duties, and building management, while learning about operations in a ski resort setting.

As a Growth Intern at N1, you'll help drive growth initiatives, conduct market research, analyze competitors, and develop internal tools.

As a Research Intern at N1, contribute to market/product or technical research in blockchain, developing analytical skills.

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

As an intern, you will provide international tax consulting, assist with compliance for US companies, and engage with tax teams to enhance your tax knowledge.

This internship under the SkillBridge Program involves supporting threat intelligence, technical analysis, and intelligence editing, focusing on cybersecurity and associated risks.

The intern will collaborate with statisticians to conduct analysis using AI and machine learning techniques, implementing models and analyzing clinical data.

Paid 12-week legal externship providing exposure to Empower's Legal Team. Support tasks and projects, work collaboratively and independently, and complete an externship project while learning about corporate law and financial services in a hybrid Greenwood Village, CO environment.