Top Internships in San Diego, CA

Summer software engineering internship supporting development, debugging, and system stability improvements. Interns will write code, resolve critical issues, and work with modern frameworks and cloud/infrastructure tools while participating in the LEAP program for mentorship and professional growth.

Summer intern supporting mechanical hardware development: CAD modeling, 3D printing, updating engineering documentation, supporting manufacturing, resolving problems, improving manufacturability, and participating in the LEAP internship program.

Graduate research interns will own end-to-end projects to build customer world models and proactive intelligence: developing representation learning, foundation model, RL/agentic methods, evaluation frameworks, and shipping research into production to improve customer decision-making.

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.

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.

Supports housing, environmental, land use, and community planning projects through research, data gathering, technical analysis, long-range planning document drafting, community outreach, presentations, maps, graphics, and environmental report preparation under CEQA and NEPA requirements.

Support Resettlement Caseworkers and newly arrived refugees by providing transportation, helping set up housing and bank accounts, assisting with enrollments and airport pickups, developing client guides, organizing projects, and performing office support.

Support Immigration Legal Staff by entering case data into LollyLaw, assisting with case follow-ups, and completing administrative projects. Gain training on U.S. immigration applications, eligibility, filing procedures, and research and summary skills.

Support ETL and reporting tasks including data extraction from files, databases and APIs; clean, transform, and load datasets; build automation scripts; improve workflows and documentation; perform data quality checks for the ETO database; and create indicators and visual reports to track program performance.

Provide administrative and direct service support for the in-home childcare licensing microenterprise program: client intake, business plan assistance, document preparation with licensing agency, outreach and event participation, training coordination, quality assurance, follow-up assessments, and outcome data collection.

Unpaid, in-person internship supporting the Workforce and Integration team: assist clients with resumes and job searches, perform data entry and database QA, conduct employer outreach, prepare application paperwork, and support administrative projects. Gain experience in client communication, document organization, and the recruitment process.

Unpaid internship supporting Asylum Seekers and Families through case management, client accompaniment to appointments and public transit training, outreach and community partnership development, screening calls with interpreters, and contributing to monitoring and evaluation. Interns gain cross-cultural communication and asylum-process experience.

Support the Digital Inclusion Program by screening and enrolling clients, assessing digital skills, developing training materials, providing basic tech and AI/VR guidance, offering ongoing technical support, and assisting with device donation events and community outreach under staff supervision.

Support and maintain the El Cajon community fridge through stocking, sorting and cleaning; coordinate food donations and community partners; prepare outreach materials; provide direct client support and small-scale project management exposure.

Assist Career Development staff delivering workforce-preparation services to immigration-impacted youth and young adults. Duties include outreach, administrative support, data entry and QA, resume and interview assistance, one-on-one technical help, curriculum and resource development, and post-class follow-ups.

Graduate research interns will own end-to-end projects developing customer world models and proactive intelligence. Work spans representation learning, foundation models, reinforcement learning, agentic decision systems, and evaluation. Tasks include designing methods, running experiments, publishing findings, and potentially shipping models into production to impact customer-facing products.

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