Top Internships in Santa Cruz, CA

Build target account and contact lists, execute personalized outbound campaigns, maintain CRM data quality, support marketing collateral and events, and track GTM funnel metrics. The intern will work directly with the CEO and COO, manage weekly reporting, route qualified leads, and use AI-assisted tools for research, prospecting, data cleanup, and analysis in a remote, part-time role.

Perform general accounting activities, including preparing and reconciling ledger accounts, recording and analyzing transactions, preparing financial statements and statutory reports, supporting budgeting and forecasting, analyzing variances, and assisting with accounting project documentation.

Supports finance and accounting operations involving collections, cash application, payment inquiries, accounts receivable reconciliation, reporting, month-end close, audits, and process improvement. The intern collaborates with cross-functional teams, responds to billing-related Zendesk tickets, investigates payment issues, and helps improve order-to-cash processes. This is a temporary, part-time role of approximately 30 hours per week for a student or recent graduate.

Supports MAPEI’s underground construction product line through customer-site visits, technical assistance, training, presentations, field trials, product demonstrations, competitive analysis, laboratory testing, and technical documentation. Collaborates with technical, commercial, laboratory, factory, and field teams in a rotational full-time summer internship. The role offers practical experience in office, laboratory, factory, and construction-site environments, with potential post-graduation opportunities in technical support or commercial technical sales.

Supports MAPEI’s underground construction product line through customer-site visits, technical assistance, training, field trials, product demonstrations, laboratory testing, competitive analysis, technical sales support, and project documentation. The intern rotates through office, laboratory, factory, and field environments while collaborating with technical, commercial, laboratory, and field teams.

Paid, full-time summer interns support product management, business operations, strategic projects, data analysis, process documentation, reporting, dashboards, presentations, stakeholder collaboration, and implementation initiatives. Interns develop analytical, project management, communication, and business problem-solving skills while working in a hybrid schedule near assigned offices.

Summer internship providing hands-on exposure to construction insurance and surety through projects with Insurance, Marketing, Accounting, Finance, and Claims professionals. Interns learn brokerage operations, receive mentorship, develop professional skills, and complete a capstone presentation. The program is in-office, does not provide relocation or housing assistance, and requires authorization to work in the U.S. without current or future visa sponsorship.

Participate in a 10-week summer internship supporting a core commercial insurance function such as claims, underwriting, audit, IT, marketing, or HR. Interns receive hands-on training, mentorship, professional development, networking opportunities, and complete a final Capstone presentation.

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.

MBA interns analyze corporate performance, business models, cost reduction, revenue growth, and profitability opportunities in high-impact client situations. They research industry trends, synthesize qualitative and quantitative data, conduct research and client interviews, develop fact-based strategic recommendations, create presentation materials, and guide analysts as needed. The role involves collaborative client work, extensive travel, and occasional work outside normal business hours.

This internship role focuses on SRE skills, requiring collaboration and problem-solving in dynamic environments for Zscaler's Zero Trust Exchange team.

Conduct novel research in Protocol Learning, focusing on decentralized large-model training and inference across consumer devices. Develop foundational methods addressing communication efficiency, fault tolerance, heterogeneous compute, and malicious participants, with the goal of publishing in tier-1 machine learning venues. Interns own a research problem, leverage significant compute, and receive mentorship from senior scientists during a six-month PhD internship.

Support design, validation, and characterization of magnetic components for medium-voltage power converters. Perform lab measurements, build prototypes, run electromagnetic simulations, analyze EMI/EMC, and document results while collaborating with power electronics and layout teams.

Support CEO and leadership on market intelligence, financial modelling, go-to-market strategy, partnerships and PMO. Run competitor analysis, size segments, build investor-ready business plans, craft value propositions and support partner negotiations while tracking cross-functional OKRs and dashboards.

Summer internship to build production-facing realtime intelligence for a mobile app that optimizes campus quest participation. Design context-aware quest logic, detect stalls/drop-offs, suggest micro-actions, instrument evaluation loops, and ship components on top of existing realtime systems to improve behavioral outcomes like IRL quest completion and retention.

Work on front-end and back-end web projects: create and redesign websites, build sitemaps and wireframes, collaborate with teams, and focus on UI/UX and performant back-end functionality.

Part-time unpaid internship supporting sales and marketing: prospecting and cold calling, building and managing campaign pipelines, analyzing marketing systems, defining ICPs, and executing multi-channel outreach while developing campaign assets and presentation skills.

Part-time internship supporting CRM architecture, data integrity, process documentation, operational audits, and KPI dashboarding. Build SOPs, centralize lead/project data, identify workflow bottlenecks, and deliver reporting to leadership to scale and improve operational processes.

Support website content editing, formatting, and publishing. Update job listings and resources, optimize content for SEO and accessibility, test site functionality, integrate multimedia, and collaborate with marketing to maintain brand voice and improve usability.

Support retail pharmacy operations by performing technician-level tasks, assisting with prescription processing and inventory, participating in patient counseling and clinical services under pharmacist supervision, processing insurance claims, completing training toward licensure, traveling to assigned stores and events, and ensuring legal and corporate compliance.

Supports specific stop loss claim audits by reviewing medical documentation, validating records, analyzing medical and pharmaceutical claims data, identifying discrepancies and overpayments, and preparing audit reports. The intern uses Microsoft Office tools, maintains PHI confidentiality, communicates findings, and assists with process improvement initiatives. This is a remote, flexible internship of approximately 20 hours per week.

Support the Business Development team by researching and profiling target accounts, maintaining CRM and pipeline data, tracking market developments, preparing account briefings and meeting materials, and translating technical content into customer-facing collateral for energy and data center customers.

PhD-level 24-week internship to research Gaussian Splatting for streaming: explore compression strategies and datasets, quantify size/time/quality trade-offs, reduce training/encoding time, and build a proof-of-concept GS-based renderer.

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.