25 security intern jobs at 22 companies in Simi Valley, CA

1mo
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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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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
1mo
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Information Security Analyst
Starbase or Hawthorne
OnsiteFull Time
SpaceX
SpaceX: Designs and launches advanced rockets and satellite internet constellations.
2+ YOEBachelor's degree in a STEM field or 2+ years info security experience; experience with Linux/Windows/macOS internals, scripting (Bash, Python, PowerShell), ticket queue management, YubiKeys, SSH, PKI, and malware analysis.
Linux, Windows, macOS, Bash, Python, PowerShell, YubiKey, SSH, Public Key Infrastructure (PKI)
4w
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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
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
2d
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2027 Intern – Test & Evaluation Engineer
Palmdale or San Diego or Edwards AFB or Mojave or Redondo Beach or El Segundo or Patuxent River or Emerado or Oklahoma City
$18-$48/hr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
Enrolled in an undergraduate or graduate STEM degree, graduating after Aug 2027; available full-time for 10+ weeks in summer 2027; U.S. citizenship and ability to obtain/maintain security clearance required.
2d
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2027 Intern – Test & Evaluation Engineer
Palmdale or San Diego or Edwards AFB or Patuxent River or Mojave or Redondo Beach or El Segundo or Oklahoma City or Emerado
$18-$39/hr OnsiteInternship
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
Full-time student in a STEM degree graduating after Aug 2027, eligible for U.S. security clearance, available for 10+ week full-time summer internship; GPA and prior internship experience preferred.
1mo
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Manufacturing Engineering Internship
El Segundo, California, United States
$20-$30/hr OnsiteMultiple Commitments Available
Space Kinetic
Space Kinetic: Developing propellant-free systems for deploying payloads in space.
Currently enrolled or recent graduate in Mechanical, Aerospace, or Electrical Engineering; analytical and electrical skills; SolidWorks experience preferred; must be U.S. citizen/permanent resident/refugee/asylee or eligible for required export authorizations; able to obtain government security clearance.
SolidWorks
3w
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Specialist - Internal Audit 4A
Chicago or Los Angeles
$34k-$43k/yr HybridFull Time
Genpact
GenpactNYSE: G: Provides business process management and digital transformation services.
Bachelor's in economics/finance/statistics or master's in business/risk; certifications such as CISA/CPA/CCO/CRCP preferred; experience in internal audit, SOX, financial analysis, information security, and data/IT reporting; English proficiency (C2).
2d
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International Contracts Manager
Simi Valley, California, United States
$111k-$169k/yr OnsiteFull Time
AeroVironment
AeroVironmentNASDAQ: AVAV: Designs and manufactures unmanned aircraft and tactical missile systems.
6+ YOEBachelor's in Business or related,6+ years aerospace/defense international contracting (DCS/FMS),ITAR/EAR and US acquisition knowledge,contract drafting/negotiation skills,ability to obtain US security clearance and US person status.
2mo
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Senior Regulatory Engineer
Playa Vista, California, United States
$137k-$193k/yr OnsiteFull Time
Inversion Space
Inversion Space: Building autonomous re-entry vehicles for global space-to-Earth cargo delivery.
5+ YOELead regulatory compliance for spaceflight operations; FAA Part 450/DOD approvals; international regs; 5+ years in aerospace; security clearance eligible.
1d
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Developer Experience Engineer
El Segundo, California, United States
$170k-$195k/yr OnsiteFull Time
Picogrid
Picogrid: Develops hardware and software for autonomous defense systems.
3+ YOE3+ years in DevOps/platform/tooling with developer experience focus; experience with CI, internal tooling, Terraform/OpenTofu, Kubernetes, container/image hardening, and security scanning.
k3s, k3d, docker-compose, Github Actions, Golang, Python, Terraform, OpenTofu, Model Context Protocol (MCP), Kubernetes, Docker, Backstage
1w
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Senior Anti-Cheat Engineer (Apex Legends)
Chatsworth or Vancouver
$144k-$217k/yr HybridFull Time
Electronic Arts
Electronic ArtsNASDAQ: EA: Develops and publishes video games and interactive entertainment software.
5+ YOE5+ years software engineering experience (C++), 3+ years in software security/reverse engineering, x86-64 disassembly expertise, familiarity with Windows internals, networking, and anti-cheat mitigation.
C++, x86-64, IDA Pro, x64dbg, Ghidra, LLVM
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Waste Disposal Coordinator
Vernon, California, United States
$71k-$98k/yr OnsiteFull Time
Republic Services
Republic ServicesNYSE: RSG: Provides waste collection, recycling, and environmental services.
2+ YOE2+ years experience with RCRA, DOT, TSCA and hazardous waste disposal; ability to review waste profiles, secure TSDF approvals, interpret regulations, perform audits, and communicate with internal and external stakeholders.
3mo
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Traveler Physician-Fresno County (76467)
Coalinga or Norwalk or Fresno County
$195/hr OnsiteContract
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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Federal Civilian Program Manager
Arlington or Seattle or Los Angeles or San Francisco or New York City or United States or Belarus or CU or IR or KP or SY or RU or Ukraine
$107k-$169k/yr OnsiteFull Time
Elastic
ElasticNYSE: ESTC: Software platform for search, security, and observability.
Experience leading cross-functional projects in SaaS/security/managed services; strong customer onboarding and delivery process knowledge; excellent communication and stakeholder management; ability to coordinate internal teams and external contractors.
Elastic Search AI Platform, SIEMaaS
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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
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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
3w
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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