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19 offensive security developer jobs at 16 companies in Berkeley, CA

2mo
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Principal Offensive Security Engineer
Palo Alto, California, United States
$168k-$271k/yr OnsiteFull Time
Palo Alto Networks
Palo Alto NetworksNASDAQ: PANW: Provides enterprise-grade network, cloud, and endpoint security software.
8+ YOE8+ years in Offensive Security/Red Teaming, cloud expertise (GCP/AWS/Azure), Kubernetes security, IaC/CI–CD security, and led pentests/red team ops.
Kubernetes, Container Security, IaC, CI/CD, Cloud Security
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1w
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Senior Offensive Security Engineer
San Mateo, California, United States
$197k-$243k/yr HybridFull Time
Roblox
RobloxNYSE: RBLX: Platform for creating and playing user-generated 3D digital experiences.
4+ YOE4+ years offensive security experience; proficiency in Python or Go; experience with purple team exercises, breach/attack simulation, cloud and API security; strong technical writing and analytical skills.
Python, Go, SOAR, MITRE ATT&CK, PTES, BAS, EDR, SIEM, XDR, AWS, Azure, GCP, CI/CD
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2d
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Senior Principal Engineer, Offensive Security (2026-345)
San Jose, California, United States
$190k-$240k/yr OnsiteFull Time
Astera Labs
Astera LabsNASDAQ: ALAB: Designs connectivity solutions for cloud and AI infrastructure.
12+ YOEBachelor's in CS/CE/EE or related,12+ years offensive security experience,expertise in hardware/firmware/embedded/cloud or AD,proficiency in Python/C/C++/assembly,knowledge of MITRE ATT&CK,track record driving remediation.
Python, C, C++, Assembly, Azure, MITRE ATT&CK, PCIe, CXL, COSMOS
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1w
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Offensive Security Agent Engineer
New York City or Seattle or Washington or San Francisco or United States
$347k-$490k/yr RemoteFull Time
OpenAI
OpenAI: Develops artificial intelligence models and generative AI software services.
Staff/principal-level offensive security expertise, domain knowledge in cloud/Kubernetes/web/Linux/macOS, experience building production software and agent systems, strong judgment and communication.
Kubernetes, Linux, macOS
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1mo
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Sr. Staff Security Engineer – AI, VMR, Offensive Security
Bethesda or Palo Alto or Dallas or Seattle
$120k-$260k/yr OnsiteFull Time
GEICO
GEICO: Provides vehicle and property insurance services to consumers.
10+ YOE10+ years in security engineering with deep vulnerability management and offensive security experience; hands-on cloud (AWS/Azure/GCP), programming (Python, Go, Java), NIST CSF, compliance (PCI, SOX, NYDFS), and strong leadership and communication skills.
AWS, Azure, GCP, Python, Go, Java, NIST CSF, SIEM, SOAR, CI/CD, CMDB, AI
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1w
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Security Engineer
San Francisco, California, United States
$200k-$230k/yr OnsiteFull Time
LiteLLM
LiteLLM: Open-source AI gateway for standardizing LLM API access.
Startup security engineering experience with hands-on offensive/white-hat hacking, application and CI/CD security, demonstrated security projects and CTF success.
Python, GitHub, OpenAI, CI/CD
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3w
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Security Engineer
Berkeley, California, United States
$286k-$503k/yr HybridFull Time
METR
METR: Develops scientific methods to assess frontier AI capabilities and risks.
Deep security fundamentals across systems, networks, cloud, and identity; offensive security/red teaming; AI/LLM engineering; strong AWS (IAM) knowledge.
AWS, EKS, Lambda, ECS, IAM, SQS, CloudWatch, SecurityHub, GuardDuty, PostgreSQL, Aurora, Pulumi, DataDog, Okta, Google Workspace, Tailscale, CrowdStrike Falcon, SIEM, Kubernetes
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1mo
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Security Engineer
Los Angeles or San Francisco
$145k-$185k/yr OnsiteFull Time
Vast.ai
Vast.ai: Decentralized marketplace for GPU cloud computing resources.
Bachelor's in CS/cybersecurity, strong programming (Python or C), deep Linux and containerization knowledge, offensive and defensive security experience, familiarity with SOC 2/NIST, and security testing tools.
Python, C, Linux, Burp Suite, OWASP, SIEM, WAF, EDR
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3mo
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Platform Security Engineer
San Francisco, California, United States
OnsiteFull Time
Applied Compute
Applied Compute: Developing specialized AI agents for corporate enterprise workflows.
5+ YOE5+ years in platform security with offensive mindset; strong design, threat modeling, and incident response; proven ability to ship secure software at scale.
Cloud, Multi-tenant environments, LLMs
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1mo
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Infrastructure Security Monitoring Engineer
Menlo Park, California, United States
$122k-$181k/yr OnsiteFull Time
Meta
MetaNASDAQ: META: Develops social networking platforms and virtual reality technologies.
3+ YOEBachelor's in CS/CE or equivalent; 3+ years development experience (Python/Go), 1+ year offensive/defensive security or systems engineering; knowledge of TCP/IP and Unix; experience building defensive security systems and security monitoring.
Python, Go, Unix, TCP/IP, MITRE ATT&CK Framework
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1mo
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Senior Security Engineer, Agentic Red Team, DeepMind
Mountain View or New York City or Zürich
$174k-$253k/yr OnsiteFull Time
Google
GoogleNASDAQ: GOOGL: Provides online search, advertising, cloud computing, and consumer electronics.
5+ YOEBachelor's in CS/Info Security or equivalent, 5+ years in red teaming/offensive security or adversarial ML, experience with LLMs and GenAI exploit development, strong coding in Python/Go/C++.
Python, Go, C++
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1mo
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Product Security Engineer
San Carlos, California, United States
$138k-$250k/yr OnsiteFull Time
1X
1X: Manufacturing safe, general-purpose humanoid robots for home and work.
5+ YOE5+ years in product/offensive security; strong Linux internals, penetration testing, cryptography/PKI, cloud/CI/CD security; proficiency in C/C++, Rust, Go or Python; bachelor’s in CS/InfoSec/Engineering or equivalent.
C, C++, Rust, Go, Python, Linux, OP-TEE, fTPM, AWS, GCP, Azure, Kubernetes, CI/CD, HSM, Thales, Utimaco, AWS CloudHSM, ACME, SCEP, NVIDIA Jetson, SBOM, PKI
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1mo
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Staff Product Security Engineer
San Francisco, California, United States
$180k-$248k/yr HybridFull Time
Okta
OktaNASDAQ: OKTA: Provide secure identity management and authentication for enterprises.
7+ YOE7+ years in information security with deep application/offensive research or AI/ML security, hands-on assessment of LLM-integrated and agentic systems, proficiency in multiple programming languages, threat modeling, manual code review, and strong communication.
Python, Go, Java, TypeScript, C, C++, SAST, DAST, SCA, fuzzing, OIDC, OAuth 2.0, SAML, CI/CD, LLM, MCP
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1mo
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Staff Security Engineer – Vulnerability Management
Seattle or Palo Alto or Dallas or Bethesda or Washington
$110k-$230k/yr HybridFull Time
GEICO
GEICO: Provides vehicle and property insurance services to consumers.
8+ YOE8+ years in cybersecurity/security engineering; deep vulnerability management, cloud/containers experience; strong Python/Go/Java scripting, SQL, automation, offensive security, and ability to influence technical stakeholders.
Python, Go, Java, SQL, CI/CD, DevSecOps, SIEM, SOAR
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1mo
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Adversarial Security Test Engineer
Milpitas, California, United States
$142k-$235k/yr HybridFull Time
Sandisk
SandiskNasdaq: SNDK: Designs and manufactures flash memory and data storage products.
5+ YOEBachelor's or Master's in CS/EE/Cybersecurity, 5+ years offensive or firmware/product security experience, expertise in penetration testing, fuzzing, reverse engineering, exploitability analysis, and programming in Python/C/C++.
Ghidra, IDA Pro, Frida, AFL, libFuzzer, Python, C, C++, AI/LLM
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1mo
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Senior Security Researcher
Santa Clara, California, United States
$140k-$226k/yr OnsiteFull Time
Palo Alto Networks
Palo Alto NetworksNASDAQ: PANW: Provides enterprise-grade network, cloud, and endpoint security software.
3+ YOEBachelor's degree or equivalent experience, 3+ years in offensive security or vulnerability research, experience with reverse engineering/fuzzing/exploit development, familiarity with penetration testing, strong OS/network/application security knowledge.
Large Language Models (LLMs), LLMs, Reinforcement Learning, RLHF, Supervised Fine-Tuning (SFT), AI agents, fuzzers
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1mo
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Principal Security Researcher (AI-Assisted Vulnerability Research)
Santa Clara, California, United States
$163k-$263k/yr OnsiteFull Time
Palo Alto Networks
Palo Alto NetworksNASDAQ: PANW: Provides enterprise-grade network, cloud, and endpoint security software.
7+ YOEMaster's degree or equivalent, 7+ years in vulnerability or offensive security research, strong programming and systems knowledge, experience with fuzzing, reverse engineering, AI-assisted workflows, and producing high-impact security research artifacts.
LLMs, AI agents, Fuzzing, Static analysis, Dynamic analysis, Reverse engineering, Exploitability analysis, Security automation, Program analysis
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3w
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Senior Privacy Engineer (RED team) - TikTok PDPO
San Jose, California, United States
$213k-$388k/yr OnsiteFull Time
TikTok
TikTok: Global short-form video hosting and social media platform.
Hands-on offensive security/red teaming experience, strong appsec and privacy engineering knowledge, ability to threat-model privacy concepts and lead end-to-end technical assessments, strong communication skills.
MITRE ATT&CK
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3w
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Senior Red Team Operator
Minneapolis or Atlanta or Cincinnati or Cupertino or Portland or New York or Chicago or Englewood or Charlotte or Irving
$133k-$157k/yr HybridFull Time
U.S. Bank
U.S. BankNYSE: USB: Provider of personal, business, and institutional financial services.
8+ YOEBachelor's degree or equivalent, 8+ years in information security with offensive security/Red Team experience; expertise in exploit development, offensive tooling, and scripting; strong communication and leadership.
Cobalt Strike, Metasploit, Mythic, Sliver, Python, PowerShell, C/C++, C#, Go, Shell, EDR, XDR, Infrastructure as Code (IaC)
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