26 security intern jobs at 20 companies in Fontana, CA

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Physical Security Lead
Torrance or Los Angeles
OnsiteFull Time
Northwood Space
Northwood Space: Manufacturing ground stations and providing satellite communication infrastructure.
5+ YOE5+ years progressive physical security experience with leadership; hands-on experience with access control, CCTV, intrusion detection, executive protection, international travel security, and NISPOM familiarity; ability to obtain TS/SCI; U.S. citizen or lawful permanent resident required.
2mo
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Senior Security Engineer
Milpitas or Irvine
$131k-$218k/yr HybridFull Time
Sandisk
SandiskNasdaq: SNDK: Designs and manufactures flash memory and data storage products.
5+ YOE5–10+ years in security engineering; SOC tooling ownership; strong scripting (PowerShell, Python); Windows/Linux internals; malware analysis; MITRE ATT&CK knowledge.
EDR/XDR, CrowdStrike, Microsoft Defender for Endpoint, SentinelOne, PowerShell, Python, Windows, Linux
2mo
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Security Engineer, Level 5, Detection & Response
Los Angeles or Palo Alto or Santa Monica
$178k-$313k/yr HybridFull Time
Snap
SnapNYSE: SNAP: Provides visual messaging software and augmented reality wearable devices.
6+ YOE6+ years in security fields; strong Python/Go; cloud and OS internals knowledge; threat hunting and incident response.
Python, Go, macOS, Windows, Linux, Kubernetes, AWS, Google Cloud Platform
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Intern to Entry Level Conversion – Business Functions (All) (Summer 2026 Intern Program)
Everett or Saint Charles or Portland or Charleston or Oklahoma City or Berkeley or Miami or Huntington Beach or Hazelwood or Germantown or El Segundo or China Lake or Arlington or Ridley Park or Tukwila or North Charleston or Kennedy Space Center or Fairfax or Houston or Colorado Springs or Chicago or Long Beach or Renton or Dallas or Seattle or Auburn or Philadelphia or San Antonio or Kent or Mesa
$50k-$174k/yr HybridFull Time
Boeing
BoeingNYSE: BA: Designs and manufactures aircraft, satellites, and defense systems.
Enrolled college student with graduation before August 2027; previous Boeing internship required. US Person required; some roles may require ability to obtain security clearance. Employer will not sponsor visas.
1mo
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Security Engineer II, Detection and Response
San Francisco or Vancouver or Phoenix or Los Angeles or Seattle or Austin or Portland or California or United States or Canada
$123k-$165k/yr RemoteFull Time
Circle
CircleNYSE: CRCL: Digital currency issuer and blockchain financial infrastructure provider.
2+ YOE2+ years in detection/response or security engineering; experience with incident response, AWS + EKS, AI tooling, MacOS internals, and programming in Python or Golang; familiarity with Slack and GSuite; able to take on-call shifts.
Slack, Apple MacOS, GSuite, SIEM, Orchestration platforms, AWS, EKS, AI tooling, Python, Golang
2w
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Information Technology Intern - OC Sheriff's Department (Unpaid Intern)
Santa Ana, California, United States
OnsiteInternship
County of Orange
County of Orange: Provides essential public services to Orange County residents.
Currently enrolled or recent graduate in computer science/IT-related field; ability to support desktop, network, security, and application projects; must submit cover letter, resume, and unofficial transcripts.
2mo
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Director, National Security-Trade Controls
Los Angeles, California, United States
$130k-$175k/yr OnsiteFull Time
Alvarez & Marsal
Alvarez & Marsal: Provides management consulting, restructuring, and business advisory services.
Bachelor's degree required; advanced degree preferred; strong international trade and investment controls expertise; compliance/national security leadership experience; excellent research and writing; proficient in Office tools.
Microsoft Teams, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Project, SharePoint
1w
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Securities Compliance Examiner
Los Angeles or San Francisco or Denver or Washington or Miami or Atlanta or Chicago or Boston or New York or Philadelphia or Fort Worth
$123k-$283k/yr OnsiteFull Time
U.S. Securities and Exchange Commission
U.S. Securities and Exchange Commission: Protects investors and regulates the U.S. securities markets.
1+ YOESpecialized experience performing securities examinations, interpreting federal securities laws, conducting investigations/audits, and assessing internal controls; must meet SK-13 or SK-14 specialized experience criteria and submit required application materials.
2w
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Legal Counsel - US Government or International Contracts
Washington or Costa Mesa or Ashville or Reston
$191k-$253k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
4+ years handling US or international government contracts, strong federal procurement knowledge, licensed to practice in CA/DC/OH/VA, US Person, strong writing and stakeholder skills, ability to obtain/maintain security clearance.
3d
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Loss Prevention Clerk
San Juan Capistrano, California, United States
OnsiteFull Time
Costco Wholesale
Costco WholesaleNASDAQ: COST: Operates membership-only warehouse clubs selling a variety of goods.
Monitoring warehouse safety and security, investigating internal and external theft, preparing reports, entering cases into Nettrack, detaining suspects, operating equipment, and providing member service.
Nettrack
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Credit Analyst
Newport Beach, California, United States
$22-$26/hr OnsiteFull Time
United Auto Credit Corporation
United Auto Credit CorporationNASDAQ: VRM: Provides non-prime automotive financing and loan servicing solutions.
Review and underwrite dealer loan applications, secure contracts, restructure non-prime deals, and communicate with dealerships and internal teams. Bachelor's preferred; consumer auto finance experience preferred.
Microsoft Office, Google G Suite, Teams
2d
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Full-Time Traveler Physician-Fresno County (81565)
Norwalk, California, United States
$195/hr OnsiteContract, Full Time
Centurion Health
Centurion Health: Provides medical and behavioral health services in correctional facilities.
Board certified/eligible in Family or Internal Medicine; active unrestricted California MD/DO license; active DEA registration; current ACLS and CPR; able to pass background check and obtain security clearance.
1mo
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Senior Counsel
Berlin or Netherlands or Los Angeles
RemoteFull Time
Xsolla
Xsolla: Provides payment and monetization tools for game developers.
7+ YOEJD and active Bar membership, 7+ years legal experience (in-house or law firm); expertise in corporate, commercial, fintech, crypto, and securities law; drafting/negotiation skills; litigation and international/regulatory experience preferred.
Google Suite, Jira, Confluence
1w
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Main Bank - Cashier
Cabazon, California, United States
OnsiteFull Time
Morongo Casino Resort & Spa
Morongo Casino Resort & Spa: Operates a large-scale casino, hotel, and entertainment resort.
2+ YOEStrong cash-handling and reconciliation skills, 2+ years cash-handling experience in high-security environment, knowledge of internal controls, 10-key and cash-counter experience, gaming license/background check required.
10-key calculator, cash counters, financial systems, computers
1mo
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Senior Advancement Officer
Claremont, California, United States
$125k-$140k/yr OnsiteFull Time
The Webb Schools
The Webb Schools: Private college preparatory boarding and day school for secondary students.
5+ YOEBachelor's degree and 5+ years progressive fundraising experience required; proven success securing five- and six-figure gifts; major gift portfolio management, frequent domestic/international travel, CRM proficiency (Raiser's Edge).
Raiser's Edge
1mo
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Internal IT Auditor, Consultant
Oakland or California or Long Beach or El Dorado Hills or Lodi or Rancho Cordova or Redding or San Diego or Woodland Hills
$126k-$189k/yr HybridFull Time
Ascendiun
Ascendiun: Nonprofit parent overseeing health insurance and clinical service organizations.
7+ YOEBachelor's or equivalent, 7+ years related experience, advanced IT/security and networking knowledge, familiarity with security frameworks (ISO, COBIT, COSO), UNIX/Windows, security tools, AI risks and governance.
ISO, COBIT, COSO, UNIX, Windows, TCP/IP, intrusion detection and prevention systems, data loss prevention, identity management, CI/CD, generative AI, ML
3d
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Loss Prevention Clerk
Highland, California, United States
OnsiteFull Time
Costco
CostcoNASDAQ: COST: Operates a global chain of membership-only warehouse clubs.
Monitoring warehouse safety and security, investigating internal and external theft, preparing reports, operating vehicles/equipment, entering cases into Nettrack, and providing high level member service. Open availability and proof of US work authorization required.
Nettrack
1mo
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Senior Ethics Advisor
Pasadena, California, United States
$148k-$163k/yr OnsiteFull Time
Jet Propulsion Laboratory
Jet Propulsion Laboratory: Leading robotic space exploration and planetary research for NASA.
5+ YOEBachelor's +9 yrs (Master's +7 yrs or PhD +5 yrs) in business/social sciences/HR or related; experience in HR, security, internal audit, acquisition, or compliance; investigations, COI resolution, training, policy development, and Microsoft Office skills.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Outlook
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Senior Director, Administration - Plant
Blythewood or Columbia or San Francisco or Los Angeles or New York City
$210k-$255k/yr OnsiteFull Time
Scout Motors
Scout Motors: Designs and manufactures all-electric rugged SUVs and trucks.
15+ YOE15+ Mgmt15+ years leadership in manufacturing or complex operations; bachelor's in business/EHS/engineering/industrial tech (advanced degree preferred); accountable for EHS, security, workplace services, compliance, budgets, and travel (domestic & international); valid driver's license and passport required.
1mo
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Academic Success & Undergraduate Advising (ASUA), Student Success Studio (S3) Mentor - Student Assistant, Palm Desert Campus
Palm Desert or San Bernardino or California
$17/hr OnsiteMultiple Commitments Available
California State University
California State University: Public university system providing higher education and academic research.
Must be an admitted/registered CSU student, maintain minimum 2.0 GPA, enrolled at least half-time (international students full-time), eligible to work in the U.S., provide Social Security card, and be able to communicate and follow instructions. Preferred: 2.5+ GPA and Microsoft Office proficiency.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint