51 security researcher jobs at 19 companies in Manteca, CA
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Principal Security Researcher
Santa Clara or San Francisco or San Jose
$163k-$263k/yr OnsiteFull Time
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.
3w
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Principal Researcher – Technology & Security-Adjacent Systems
San Jose, California, United States
RemotePart Time, Contract
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.
3mo
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Laser Postdoctoral Researcher - Advanced Photon Technologies
Livermore, California, United States
$123k/yr OnsiteFull Time
0+ YOEPhD in laser physics or related field; experience with high-energy solid-state lasers, ultrafast lasers, and experimental laser systems; ability to work in multi-disciplinary team; US citizenship for security clearance.
Zemax, Code V, OSLO, FRED, LightTools, ASAP, COMSOL, ANSYS, LabVIEW, Python, MATLAB
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Security Research Engineer
Fulton or Ann Arbor or Atlanta or Austin or Boston or Cary or San Jose
$136k-$195k/yr OnsiteFull Time
BS degree, experience in threat or malware research and analysis, scripting with Python, familiarity with Windows/Linux/macOS telemetry, strong communication and critical thinking.
Python, Windows, Linux, macOS
6d
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Senior/Principal R&D Cybersecurity - Formal Verification Researcher, Onsite
Livermore, California, United States
$140k-$281k/yr OnsiteFull Time
5+ YOEBachelor's degree in a relevant discipline plus 5 years of directly relevant experience, or equivalent education and experience; ability to obtain and maintain a U.S. DOE Q-level security clearance and conduct independent R&D.
Haskell, OCaml, Rocq, Python, C, Rust, Verilog, VHDL, NuSMV, TLA, assembly languages, high-performance computing platforms
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AI-Native Security Agent Engineer
San Jose, California, United States
OnsiteFull Time
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
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Security Software Engineer Project Intern (Product Security) - 2026 Start (BS/MS)
San Jose, California, United States
OnsiteInternship
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
1w
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Director, Research & Development Laboratory – Santa Barbara
Goleta or Santa Barbara or Nevada or Los Alamos or Livermore
$222k-$366k/yr OnsiteFull Time
Mission Support and Test Services: Manages and operates the Nevada National Security Site.
20+ YOEMaster's degree in a relevant STEM field, 20+ years of technical leadership, multidisciplinary organization management, executive communication, valid driver's license, and eligibility for DOE Q clearance.
hardware, software, cyber security
3w
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Early Career W87-1 Weapon R&D Electrical Engineer - Drive Next-Generation National Security Technologies, Onsite
Albuquerque or Livermore
$122k-$238k/yr OnsiteFull Time
Bachelor's in electrical engineering (or equivalent), ability to obtain DOE Q clearance, familiarity with MBSE/CAMEO and electrical design, strong problem-solving and communication skills.
Model-Based Systems Engineering (MBSE), CAMEO
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Technology Lead, Agentic AI and R&D
San Jose, California, United States
$119k-$179k/yr HybridFull Time
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
1d
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Case Study Proctor Associate 6450041
Mountain View or San Francisco or Walnut Creek or United States
$22-$32/hr OnsiteFull Time, Contract
1+ YOERequires at least one year of experience, precise protocol execution, hardware and software troubleshooting, secure data handling, equipment setup, documentation, communication, confidentiality, and schedule flexibility.
JIRA, sensors, wearables
2w
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Lead Aeromechanics, Thermal & Acoustics Engineer – Special Programs
San Jose, California, United States
$138k-$190k/yr OnsiteFull Time
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
2w
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NNSA Graduate Fellowship Program – Class of 2027
Livermore or Albuquerque or Kansas City or Los Alamos or Oak Ridge or Aiken or North Las Vegas or Washington or Amarillo or Germantown
$57k-$80k/yr OnsiteTemporary
Graduate enrollment or recent graduate (since Apr 2,2025) with minimum 3.0 GPA, available full-time for June 2027–June 2028, U.S. citizenship, ability to obtain federal security clearance.
2mo
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Software Engineer, E-commerce Supply Chain and Logistics - USDS
San Jose, California, United States
$137k-$259k/yr OnsiteFull Time
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
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.
2mo
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PSOC Analyst - Part Time
Fremont, California, United States
$45/hr OnsitePart Time
3+ YOE3+ years military/physical security/law enforcement/intelligence experience or relevant degree; ability to research, analyze intelligence, follow SOPs, communicate clearly, multitask, and work flexible rotational schedules.
1mo
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Senior Principal System Architect
San Jose, California, United States
$323k-$437k/yr HybridFull Time
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
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Member Benefits Analyst
San Jose, California, United States
$108k-$133k/yr OnsiteFull Time
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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PSOC Analyst - Part Time
Fremont, California, United States
$45/hr OnsitePart Time
3+ YOE3+ years combined military/physical security/law enforcement/intelligence experience or relevant degree; ability to perform research and analytics, exercise sound judgment, work flexible rotational schedules, and maintain state guard certification.
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
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
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