34 security researcher jobs at 15 companies in Gustine, CA

1mo
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Principal Security Researcher
Santa Clara or San Francisco or San Jose
$163k-$263k/yr OnsiteFull Time
Palo Alto Networks
Palo Alto NetworksNASDAQ: PANW: Provides enterprise-grade network, cloud, and endpoint security software.
Deep hands-on vulnerability research, exploit analysis, IPS/IDS detection, network protocol expertise, strong programming/scripting for research automation, technical leadership, and BS/MS in CS/CE/Cybersecurity or equivalent experience.
2w
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Principal Researcher – Technology & Security-Adjacent Systems
San Jose, California, United States
RemotePart Time, Contract
Straits Meridian Capital Office
Straits Meridian Capital Office: A research-driven capital platform managing internal investment allocations.
2+ YOE2+ years research/analytical experience; strong knowledge of technology policy, cybersecurity or semiconductor sectors; familiarity with export controls and trade regulation; ability to interpret technical and policy documents and produce clear written analysis.
4w
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AI-Native Security Agent Engineer
San Jose, California, United States
OnsiteFull Time
ByteDance
ByteDance: Developing AI-driven content platforms and mobile applications.
3+ YOE3+ years software engineering experience in security, networking or AI; proficiency in Go, Python or TypeScript; hands-on LLM/Agent development experience; strong communication and self-driven mindset.
Go, Python, TypeScript, OpenClaw, Hermes Agent, LLM Guard
4w
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Security Software Engineer Project Intern (Product Security) - 2026 Start (BS/MS)
San Jose, California, United States
OnsiteInternship
TikTok
TikTok: Global short-form video hosting and social media platform.
Pursuing a BS/MS in CS or STEM, security engineering knowledge (web, mobile, network, OS, crypto, cloud), coding experience in at least one listed language, and strong debugging/problem-solving skills.
JavaScript, Node JS, Go, Python, Java, C++, Rust, LLM, NLP
1mo
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Export Control and Research Security Officer (Hybrid)
Merced, California, United States
$98k-$110k/yr HybridFull Time
University of California, Davis
University of California, Davis: Public land-grant research university providing higher education and healthcare.
5+ YOEBachelor's degree and five years of related research compliance experience required; advanced degree preferred. Must have knowledge of ITAR, EAR, OFAC, research security and export control regulations, policy development, training, and licensing processes. Background check required.
4h
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Product Specialist, Browser Security
San Jose, California, United States
$123k-$175k/yr OnsiteFull Time
Zscaler
ZscalerNASDAQ: ZS: Provides cloud-native cybersecurity solutions through zero trust architecture.
Requires browser or web security expertise, hands-on attack research and defense, enterprise security POV/POC leadership, AI/ML understanding, executive communication, and willingness to work onsite in San Jose.
JavaScript, Python, Zero Trust, SASE, SSE
3w
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Technology Lead, Agentic AI and R&D
San Jose, California, United States
$119k-$179k/yr HybridFull Time
Merck
MerckXETRA: MRK: A science and technology providing healthcare, life science, and electronics solutions.
2+ YOEMaster's with 3+ years or PhD with 2+ years; technical leadership; distributed systems and cloud (AWS/Azure); security and data governance; CI/CD and observability experience.
AWS, Azure, CI/CD, observability, SAFe
1w
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Lead Aeromechanics, Thermal & Acoustics Engineer – Special Programs
San Jose, California, United States
$138k-$190k/yr OnsiteFull Time
Archer
ArcherNYSE: ACHR: Develops electric vertical takeoff and landing aircraft for urban mobility.
8+ YOEExpertise in aeromechanics, thermal management, and acoustics for aerospace prototype vehicles; 8+ years relevant experience; Bachelor's in Aerospace/Mechanical Engineering; U.S. Person and ability to obtain government security clearance required.
CFD
1mo
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Software Engineer, E-commerce Supply Chain and Logistics - USDS
San Jose, California, United States
$137k-$259k/yr OnsiteFull Time
TikTok USDS Joint Venture
TikTok USDS Joint Venture: Operates and secures TikTok services for U.S. users.
Bachelor's in CS or related, experience building highly scalable backend services using Java/Golang/Python/C++, deep knowledge of data structures, algorithms, networking, security, and databases like MySQL/Redis/Kafka.
Java, Golang, Python, C++, MySQL, Redis, Kafka
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Delivery Specialist - Union GBA
San Jose, California, United States
$19-$25/hr OnsiteFull Time
O'Reilly Auto Parts
O'Reilly Auto PartsNASDAQ: ORLY: Retailer of automotive aftermarket parts and professional tools.
Must possess a valid state driver's license and meet company driving record standards; operate delivery vehicles and handheld fleet devices; secure vehicles and collected monies; provide customer service; bilingual (Spanish) encouraged.
3mo
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Meteorologist
Anchorage or Fairbanks or Juneau or Pago Pago or San Joaquin or Key West or Barrigada
$41k-$91k/yr OnsiteFull Time
National Oceanic and Atmospheric Administration
National Oceanic and Atmospheric Administration: United States agency for weather, oceanic, and atmospheric monitoring.
U.S. citizen; GS-05/07/09 level with required or progression; one year specialized experience; basic education in meteorology or related field; selective service is required; security investigation process; potential relocation/recruitment incentives; no high school diploma requirement specified.
Forecasting software, Remote sensing, Data analysis
1mo
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Senior Principal System Architect
San Jose, California, United States
$323k-$437k/yr HybridFull Time
Arm
ArmNASDAQ: ARM: Designs and licenses processor architectures and semiconductor intellectual property.
10+ YOE10+ years in SoC/system architecture or technology research; degree in Computer Engineering; expertise in server-class power management, high-speed IO (PCIe,SATA), security, and system monitoring; strong written and presentation skills.
PCIe, SATA
4d
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Member Benefits Analyst
San Jose, California, United States
$108k-$133k/yr OnsiteFull Time
California School Employees Association
California School Employees Association: Provides labor representation and advocacy for California school staff.
3+ YOEThree years experience in benefits, communications, marketing, or related field; bachelor\u0002s degree or equivalent; strong negotiation, research, program development, budget, and communication skills; knowledge of public retirement, Social Security, Medicare, and ERISA.
2mo
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Land Acquisitioner | Stockton-Modesto Corridor
Stockton or Modesto or Manteca or Tracy or San Ramon
$155k-$195k/yr FieldFull Time
D.R. Horton
D.R. HortonNYSE: DHI: Constructs and sells residential homes across the United States.
4+ YOE4+ years related experience; sourcing and securing undeveloped land and finished lots, performing title and municipal research, preparing letters of intent, underwriting opportunities, negotiating purchase contracts, proficiency with MS Office, ability to travel overnight.
Microsoft Office, Email
1mo
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Research & Development Labs Network Admin (Richardson, TX, US)
Richardson or San Jose or Thailand or Shanghai or Songshan Lake or Penang or Chennai
OnsiteFull Time
Celestica
CelesticaNYSE: CLS: Provides design, manufacturing, and supply chain solutions for electronics.
4+ YOE4+ years network or system administration experience managing secure/segmented networks; hands-on skills with Cisco, Check Point, Linux, CyberArk, Zscaler, VMware/Hyper-V, secure file transfer and local repo hosting; bachelor's degree or equivalent experience.
Checkpoint 3980 Firewalls, SilverPeak SD-WAN, Cisco Catalyst 9400, Cisco Catalyst 9200, Cisco Nexus, Celestica DS2000, Celestica ES1500, Apache, Nginx, SHA-256, CyberArk, Zscaler ZTNA, Zscaler App Connectors, VMware vSphere, Microsoft Hyper-V, SFTP, SCP, rsync, CrowdStrike, Threat Locker, BigFix, ServiceNow Agents, ClearPass NAC