Internships in Downey, California, United States

Talent Management internship at Million Dollar Baby Co., the family‑owned children’s furnishings brand focused on sustainable design. Interns support internal and external teams across branding, operations, logistics, sales and analytics, handling customer inquiries, data tasks and cross‑functional projects.

Bay Cities Container, an employee‑owned creative packaging partner, seeks a Summer 2026 Intern to support product packaging design and client projects. The role involves collaborating with cross‑functional teams, applying design software, and contributing to packaging solutions that drive sales.

Field Chemist II on the DOW SkillBridge program at Republic Services, a partner of the Department of Defense. The role facilitates Lab Pack Program, Household Hazardous Waste (HHW), and other field activities by providing on‑site services for customers, including characterization, packaging, handling, and transportation of wastes.

Product Analyst Intern at Maersk Logistics & Services USA Inc. supports data‑driven decision making by building holistic data views and delivering insights through dashboards and reports. Works closely with leadership and stakeholders across the Maersk Contract Logistics product in North America to understand business processes and develop analytics solutions.

Communications Intern on the Lynwood USD Communications team, responsible for supporting staff in creating communication materials and multimedia products and ensuring timely dissemination of information to district stakeholders and the community. The role involves drafting press releases, managing social media content, and assisting with public relations initiatives.

Engineering team at MW Components focuses on continuous improvement and manufacturing excellence. The intern supports Lean initiatives by performing time studies, data analysis, and administrative tasks while assisting with equipment testing and documentation.

Kemper Law Clerk Intern Program provides law students hands‑on experience in civil litigation, supporting attorneys with drafting, discovery, and trial preparation. Interns conduct legal research, draft pleadings and discovery responses, and assist in mediations and arbitrations while collaborating with senior lawyers and mentors.

Northrop Grumman offers a 10‑week summer internship for Mechanical or Facilities Engineering students in Commerce, CA. The role involves mapping mechanical systems, supporting machine maintenance, conducting cost and inventory studies, aiding facilities project design, establishing EHS processes, and building KPI dashboards. Interns must be full‑time students, major in Mechanical or Facilities Engineering, available 40 hrs/week during summer 2026, and U.S. citizens able to obtain security cleara

Kemper’s Law Clerk Intern Program equips second or third year law students with hands‑on experience in civil litigation, drafting pleadings, discovery responses, and preparing for mediation, arbitration, and trial. Interns collaborate with attorneys and paralegals, conduct legal research, and manage client communications while gaining exposure to insurance litigation.

Helix Electric, a leading electrical contracting firm, seeks a Project Engineer Intern for Fall 2026. The intern will support project managers, coordinate between field and office, and contribute to project planning, execution, and budgeting.

Helix Electric, a leading electrical contracting firm, seeks a Project Engineer Intern to support project managers, coordinate with field teams, and contribute to project planning, budgeting, and safety. The role offers hands‑on experience across construction phases, mentorship, and exposure to BIM, Accubid, and procurement processes.

The District Manager in Training leads daily operations of a fast‑food restaurant, driving a 5% sales increase and sustaining growth for two months before expanding to additional locations. Responsibilities include financial performance, team development, operational excellence, and local marketing.

Administration/Human Resources Department at Water Replenishment District provides essential HR services for the district. The intern supports recruitment, classification, employee engagement, and special projects, handling interview scheduling, policy updates, and event coordination.

External Affairs Department at Water Replenishment District, a California agency safeguarding groundwater for millions. Intern assists with government affairs, public education, community outreach, and creates communications materials while supporting social media campaigns.

Hydrogeology Department at Water Replenishment District manages groundwater resources for millions of residents. Intern assists with field data collection, pressure transducer maintenance, and prepares tables and graphs for compliance reports.

Dynamic student eager to gain hands‑on experience in construction project management within Kroger’s Summer Internship Program. Will work under senior managers on capital projects, supporting bid processes, equipment ordering, and quality inspections.

Fellowship of Christian Athletes (FCA) interns develop student athletes’ calling to ministry while engaging in a 10‑week immersive discipleship program. The role involves spiritual leadership, prayer, Bible study, and coaching support for athletes and volunteers in Southern California.

Turbomachinery Intern at Rocket Lab’s Turbopump team in Long Beach, CA. The team builds high‑performance turbopumps for the Neutron launch vehicle, integrating design, manufacturing, and additive processes. The intern applies engineering concepts to real propulsion challenges, collaborates across manufacturing, vendors, and functional groups, and delivers project milestones in a fast‑paced environment.

Assurance team at BPM provides comprehensive audit training and hands‑on experience across diverse industries. Interns analyze financial statements, perform audit procedures, and test internal controls while collaborating with mentors and peers.

Northwestern Mutual College Financial Representatives internship program builds future financial planners through mentorship, networking, and hands‑on experience with proprietary planning tools. Interns prospect clients, develop business strategies, and prepare financial plans while receiving weekly coaching and training.