Top Internships in San Diego, CA

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.

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.

Supports hardware development for F-16 and F-2 equipment by building, testing, and analyzing results; updating test procedures; documenting parts and lists; researching and ordering hardware; reviewing schematics and data; and coordinating with manufacturing, mechanical engineering, and electrical engineering teams. Participates in mentoring, professional development, networking, and team activities through BAE Systems’ LEAP summer internship program.

Supports financial statement audit teams through document review, financial data analysis, audit process documentation, internal control evaluation, and risk assessment. The intern learns and applies GAAP, GAAS, and PwC audit methodologies while collaborating with experienced auditors and contributing to client service initiatives. The role is designed for accounting students seeking foundational experience in auditing, financial reporting, compliance, and professional client interactions.

Supports tax consulting teams with corporate tax returns, compliance documents, tax research, international and multistate tax planning, tax modeling, provisions, audits, and regulatory compliance strategies. The intern analyzes tax regulations and data to identify optimization opportunities while developing consulting, communication, and professional skills under the guidance of experienced tax professionals.

Supports financial statement audits through document review, financial data analysis, audit process documentation, internal control evaluation, risk assessment, and research. Learns and applies GAAP, GAAS, and PwC audit methodologies while collaborating with audit teams and observing experienced auditors. The role provides foundational experience in accounting, financial reporting, compliance, and client service.

Supports AI safety, robotics, cybersecurity, Physical AI, and advanced mobility projects. Conducts research on standards, regulations, and emerging technologies; assists with safety assurance and consulting activities; develops reports, presentations, workshops, and client deliverables; and contributes to AI safety, cybersecurity, robotics, and technology capabilities.

Software Engineer Interns design, build, test, and debug production-quality software for autonomous systems. Projects may involve applications, embedded flight software, firmware, machine learning, simulation, APIs, data pipelines, or cloud infrastructure. Interns analyze requirements, collaborate with engineers using Agile practices, and deliver real features or capabilities during a 10–12 week paid internship.

Mission Lead Interns embed with defense customers, identify mission problems, configure and test AI workflows, troubleshoot deployments, onboard users, demonstrate mission impact, and expand customer relationships. The role requires independent execution in ambiguous environments, close coordination with Product, Engineering, Mission, Security, and Operations teams, frequent customer-site travel, and a current TS/SCI clearance.

Paid, full-time 11-week engineering internship supporting telecommunications inside-plant technologies. Responsibilities may include installing, configuring, operating, testing, logging, and troubleshooting legacy and new headend equipment and network systems. Interns also participate in professional development, networking, mentoring, community service, and cross-functional projects.

Software engineering interns develop code, resolve critical problems, and improve system stability and resilience on defense-related projects. Interns collaborate with experienced engineers, contribute to real-world customer solutions, and gain exposure to frontend, backend, cloud, DevOps, database, image processing, machine learning, and GIS technologies through BAE Systems’ LEAP summer 2027 program.

Interns support meaningful business and technical projects, collaborating with experienced professionals and cross-functional teams. Responsibilities include project planning, execution, analysis, continuous improvement, stakeholder presentations, and professional development activities. Candidates must be pursuing an engineering bachelor’s degree, work in person in San Diego, and demonstrate analytical, problem-solving, communication, organizational, and teamwork skills. Leadership experience and interest in automotive, mobility, technology, or manufacturing are preferred.

Supports social media and marketing communications for Peraton’s County of San Diego contract. Creates content for LinkedIn, Instagram, TikTok, Facebook, and X; benchmarks peer performance; analyzes social media results; and prepares leadership presentations. The 10-week, full-time hybrid internship runs from June through August 2027 in San Diego.

Supports senior architects in designing cloud and AI solutions for County of San Diego services. Responsibilities include creating system diagrams, applying architecture patterns, developing AWS-based designs under the AI-DLC framework, and explaining design decisions. The internship is full-time for 10 weeks in a hybrid San Diego setting, providing exposure to enterprise systems, AI-assisted software delivery, infrastructure as code, and public-sector technology modernization.

Supports County technology projects by translating business needs into requirements and user stories, documenting processes, and helping scope AI-assisted software development work. Collaborates with business stakeholders and technical teams while applying Agile and software development lifecycle concepts. The full-time, 10-week internship runs from June through August 2027 in a hybrid San Diego setting.

Supports County IT systems during a 10-week summer internship by assisting with incident management, tracking SLA performance, and creating dashboards and executive reports. The intern analyzes service health, troubleshoots issues, and provides leadership visibility across County operations. The role is hybrid in San Diego and requires proficiency in Excel, analytical skills, and clear communication, with preferred exposure to ServiceNow, ITIL, reporting tools, monitoring platforms, or SQL.

Supports preconstruction estimating for heavy-civil liquid storage tank projects. Responsibilities include evaluating site conditions, creating tank site layouts, preparing earthwork takeoffs and cost estimates, soliciting subcontractor pricing, preparing requests for quotation, learning construction bidding processes, and visiting local construction sites.

Supports producer onboarding, document collection and review, reporting, dashboards, operational metrics, process improvement, Salesforce updates, documentation, user support, research, and cross-functional operations projects within an insurance organization.

The Underwriting Intern will support underwriters by reviewing insurance submissions, learning risk assessment and pricing fundamentals, organizing underwriting records, researching industry trends and emerging risks, and summarizing findings. The intern will also contribute to team projects, meetings, and daily coordination while developing practical insurance and underwriting experience.

Supports the Communications team through research, press material and social media content development, interviews, storytelling, event coverage, communications planning, database maintenance, and management reports. The intern may create posts, reels, and videos, work with media databases and Sprout Social, and assist volunteers and stakeholders. This is a paid, part-time temporary internship requiring current student enrollment, with approximately 10% travel.

Supports consulting project teams by researching markets, developing analyses, applying problem-solving frameworks, synthesizing insights, communicating findings, and collaborating with clients to implement solutions. The intern owns assigned deliverables and may support change initiatives and client decision-making. Strong performance may lead to a full-time offer.

Design and execute advanced statistical and data analyses for client projects, using tools such as R, Tableau, SAS, VBA, and Excel. Translate data into actionable insights, communicate findings to clients and internal teams, collaborate on solution implementation, and take ownership of project deliverables.

Electrical Engineering Interns will gather requirements, design, and validate avionics assemblies and test fixtures. They will work across power electronics, communications, RF, and related disciplines; build test stands involving relays, PLCs, PCBAs, and harnesses; use Python for test automation, analysis, and simulations; and participate in cross-functional design reviews. The internship is a 10–12-week paid program for students pursuing Electrical Engineering or a related STEM degree.

Supports Sales Enablement by designing learner-centered training, onboarding content, assessments, knowledge checks, curricula, communications, and multimedia learning assets. Translates complex product, tooling, and sales methodology information into structured training using instructional design principles. Creates visual content, job aids, microlearning modules, and LMS content while gathering feedback and iterating on learning materials. This is a four-month, part-time, on-site internship in San Diego.

Software Engineering Interns will build and ship high-impact software projects across product, infrastructure, customer experience, mobile, and security teams. Responsibilities include designing, developing, testing, and deploying features; collaborating with multidisciplinary teams; participating in agile development and prototyping; applying user-centered design; and learning through mentorship, technical talks, and feedback. The internship is virtual, full-time, and lasts 12 weeks during Summer 2027.