Top Internships in San Diego, CA

Intern will manage and execute social media strategies, create content, coordinate with videographers, analyze performance, and help clients grow their brand visibility.

Hands-on mechanical engineering internship focused on HVAC and MEP building systems. Interns assist design teams with ductwork sizing and layout, perform basic engineering calculations, support documentation and coordination, attend site visits, and gain experience using BIM tools like Revit and AutoCAD throughout project lifecycles.

Hands-on electrical engineering internship supporting MEP project design and documentation using BIM tools. Assist with power, lighting, fire alarm, and signal system layouts, attend site visits, and support design coordination and administrative tasks.

Mechanical engineering intern supporting MEP project teams: assist with mechanical system design, perform basic calculations and ductwork layout in Revit/AutoCAD, attend site visits, and support documentation, coordination, and administrative tasks throughout project lifecycle.

Support electrical design teams in MEP projects using BIM tools (Revit, AutoCAD). Assist with power, lighting, fire alarm, and signal system design, documentation, coordination, and site visits while gaining hands-on exposure to project lifecycle and engineering workflows.

Support product marketing for UDS by developing go-to-market strategies, positioning, technical content, demos, and launch materials. Partner with Product, Engineering, and Growth to translate complex cloud-native and DevSecOps capabilities into clear value for defense and national security customers. Conduct market research, competitive analysis, and post-launch optimization while supporting adoption and evangelism.

The Generalist Intern will optimize internal tools, conduct customer research, support go-to-market efforts, provide product insights, and write clear documentation. This remote position targets recent grads or students.

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

Assist with financial and operational audits, evaluating internal controls, analyzing data for risks, and contributing to audit reports.

Support data collection, cleaning, and preliminary analysis. Write and run SQL queries, use statistical tools and Python, produce visualizations, document methods, troubleshoot analytics tools, and collaborate with cross-functional teams to deliver actionable insights.

Work alongside project managers and engineers on industrial construction projects. Assist with blueprint interpretation, estimating, scheduling, project controls, safety and quality audits, productivity analytics, procurement, change orders, progress tracking, and process improvement during a minimum 12-week, full-time internship.

Six-month paid remote communications internship supporting Keeper's Communications and Social Media teams. Tasks include updating the media page, creating social content, planning and executing announcements, writing PR and internal communications, reporting performance data, scheduling content, and general administrative support. Mentored by the Communications Director; designed for students or early-career candidates.

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.

Collaborate with the founding team to design, prototype, and scale backend and infrastructure for an agentic AI assistant. Implement orchestration logic, API integrations, and LLM-driven workflows; build diagnostics, tests, and monitoring; improve agent reasoning and execution pipelines; participate in product and architecture discussions; document bugs and stabilize the platform for launch-readiness.

Entry-level cybersecurity compliance internship providing hands-on exposure to audits, CMMC compliance reporting, risk and security assessments, GRC artifact management (POA&M, SSP), policy and awareness program development, incident response, and managing GRC toolkits. Interns participate in customer meetings, industry activities, and author technical articles while receiving mentorship and on-the-job training.

Assist the Reedsy Learning team with community management, outreach to influencers, engaging with students, and promoting courses and events.

Assist Community Managers with outreach strategies, lead generation, and onboarding professionals while optimizing conversion rates and campaign performance.

Assist authors and publishing professionals by offering support, reviewing projects, optimizing user engagement, maintaining FAQs, and suggesting product improvements.

As a Content Marketing Intern, you will assist in executing Reedsy's content strategy, focusing on SEO, content creation, and promotion to acquire leads.

As a Data Science Intern, you'll learn to translate business challenges into statistical problems, analyze large datasets, build machine learning models, and communicate insights effectively.

Manage transformation and deployment of cybersecurity applications into Kubernetes-based environments. Coordinate between Application Development and Platform teams to remove blockers, track timelines, align product and delivery roadmaps, and communicate technical progress. Serve as Mission Manager for assigned delivery efforts, foster team mentorship and growth, and support adoption of engineering best practices to deliver scalable mission value.

As a Growth Team SkillBridge Intern, you'll assist with market research, lead generation, proposal management, client engagement, and support sales efforts.

12-16 week internship implementing and optimizing GPU/accelerator kernels and custom operators, profiling and improving LLM inference and runtime performance, building benchmarks, fixing regressions, and shipping code to production or open-source AI infra projects.