2mo
Save
Mark Applied
Hide
Senior Security Engineer
Milpitas or Irvine
$131k-$218k/yr HybridFull Time
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
Save
Mark Applied
Hide
Senior Security Engineer - AppSec
Santa Clara, California, United States
$186k-$279k/yr OnsiteFull Time
Senior AppSec engineer with CI/CD security integration, automation, and collaboration across product and DevOps teams.
2mo
Save
Mark Applied
Hide
Senior Staff Security Engineer - Network Security
Denver or San Francisco or New York City or San Jose
$210k-$270k/yr HybridFull Time
10+ YOE10+ years in security engineering; Cloudflare WAF/DDoS/Zero Trust; Terraform/Crossplane; AWS networking; incident response; AI-native workflows; security certifications.
Cloudflare, Terraform, Crossplane, AWS, CloudFront, WAF, DDoS, Zero Trust, Panther, Wiz, CrowdStrike, Claude Code, MCP-driven tooling, LLM automations
2d
Save
Mark Applied
Hide
Senior Security Engineer
San Jose, California, United States
$184k-$208k/yr HybridFull Time
5+ YOE5+ years in information security/security engineering; hands-on EDR/XDR, vulnerability scanning, Okta/Azure AD, AWS cloud security, SIEM, networking, and familiarity with NIST 800-171/CMMC.
EDR/XDR, CrowdStrike, SentinelOne, Tenable, Qualys, Rapid7, Okta, Azure AD, AWS IAM, VPC, Security Groups, CloudTrail, GuardDuty, Splunk, Sentinel, Elastic, Terraform, CloudFormation, CI/CD
2mo
Save
Mark Applied
Hide
Senior Performance Engineer, Data Protection & Security Platform Engineering
Santa Clara, California, United States
$179k-$199k/yr OnsiteFull Time
5+ YOESenior performance engineer with 5+ years in distributed systems; strong Golang/Python; experience with storage, cloud, and security platforms.
Golang, Python, Automation, Performance tooling
1mo
Save
Mark Applied
Hide
Security Engineer
San Francisco or San Jose or Bellevue
$266k-$395k/yr HybridFull Time
5+ YOE5+ years security engineering experience; hands-on Linux; experience building detections, incident response, vulnerability remediation; production-grade coding in Python or Go; cross-domain security experience and collaboration skills.
SIEM, EDR, SOAR, IDS/IPS, Linux, Python, Go, KVM, Hyper-V, Xen, LLM
1mo
Save
Mark Applied
Hide
Staff Security Engineer Manager, Enterprise Security Cloud
San Jose or Kirkland or New York City
$207k-$301k/yr OnsiteFull Time
8+ YOE3+ MgmtBachelor's degree or equivalent; 8+ years security engineering experience, 3+ years leading technical teams; security assessments/threat modeling experience; EM/Cloud security experience preferred.
Google Cloud Platform
2w
Save
Mark Applied
Hide
Security Engineer
Seattle or San Jose
$132k-$198k/yr HybridFull Time
6+ YOE6+ years security and networking experience; cloud and network security, scripting, automation, vulnerability assessment, incident response, and collaboration with engineering teams.
Go, Python, Ruby, Rust, Big-IP, Microsoft Azure, AWS, GCP, CentOS, HashiCorp Vault, Palo Alto, Qualys, Puppet, Chef, Ansible, Terraform, Jenkins, CircleCI, Artifactory, Git
5d
Save
Mark Applied
Hide
Senior Security Engineer, Blue Team
San Jose or United States
$130k-$185k/yr RemoteFull Time
5+ YOE5+ years security engineering experience, third-party assessments, coding (Rust preferred, Python, PHP), MacOS and AWS experience, incident response, ability to explain technical topics to non-technical audiences, and SQL knowledge.
Rust, Python, PHP, MacOS, AWS, SQL, EDR, Okta, Crowdstrike Falcon
3w
Save
Mark Applied
Hide
Senior Endpoint Security Developer - Global Security Organization
San Jose, California, United States
$112k-$180k/yr OnsiteFull Time
Deep platform and endpoint security experience, adversary simulation and detection engineering skills, proficiency in Python/Go/Bash/C/C++, and familiarity with security frameworks and automation.
Apache Flink, Spark Streaming, Kafka, ClickHouse, gRPC, Protobuf, Kubernetes, Istio, Sigma, YARA-L, CI/CD, SIEM, Splunk ES, Chronicle, Python, Go, Bash, C/C++, Ansible, Terraform, Jenkins, Chef, Puppet, Open Policy Agent, AttackIQ, SafeBreach, Cymulate, MITRE ATT&CK, EDR, HIDS, NDR, IDS/IPS, CMDB, ITSM
1mo
Save
Mark Applied
Hide
Senior Application Security Engineer
San Jose, California, United States
$100k-$150k/yr HybridFull Time
5+ YOE5+ years application/product security; 3+ years Secure SDLC leadership; expertise in secure coding, threat modeling, code review, vulnerability management; proficiency in C, C++, Python; DevSecOps and CI/CD automation.
C, C++, Python, GitHub, GitLab, CI/CD, SAST, DAST, SCA, Secrets Scanning, Container Security, PILOT, AWS, Azure, GCP, STRIDE, NIST SSDF, NIST CSF, CIS Controls, ISO 27001
1w
Save
Mark Applied
Hide
Security Research Engineer, AI Safety and Security Engineering
Santa Clara or North Carolina or New York or Tennessee or Florida or California
$152k-$242k/yr HybridFull Time
5+ YOE5+ years security research or software engineering experience, hands-on vulnerability research/fuzzing/program analysis, strong C/C++/Python skills, rigor in patch correctness, and comfort with AI-assisted workflows.
C, C++, Python, fuzzers, static analyzers, symbolic-execution tools, AI-assisted tools, LLM
2mo
Save
Mark Applied
Hide
Senior Network Security & Cloud Developer
San Jose, California, United States
$156k-$315k/yr OnsiteFull Time
8+ YOEBachelor’s or Master’s in a quantitative discipline, typically 8+ years experience, strong C/C++ plus Python/Golang/Java, cloud and networking security knowledge, Kubernetes/Docker and CI/CD experience, strong communication.
C/C++, Python, Golang, Java, Kubernetes, Docker, CI/CD
1mo
Save
Mark Applied
Hide
Senior Enterprise Secruity Engineer
San Francisco or San Jose or New York City or Seattle or Austin or Washington or California or Massachusetts or New Jersey or Washington or United States
$179k-$273k/yr RemoteFull Time
6+ YOE6+ years security engineering experience; expertise in authentication/authorization, API and cloud security (AWS/GCP), threat modeling for AI/agent systems, IAM for non-human identities, secrets management, and security architecture reviews.
AWS, GCP, SSO, OAuth, OIDC, SAML, SCIM, MCP
3mo
Save
Mark Applied
Hide
Senior Staff Engineer ( Device Security )
Santa Clara, California, United States
$126k-$205k/yr OnsiteFull Time
Degree in Computer Science; strong security research with hands-on software development; Windows security knowledge; AI/LLM familiarity; networking; programming in C/C++, Python, Go, or Java; security domain experience.
C/C++, Python, Go, Java, Windows, AI/LLM
1w
Save
Mark Applied
Hide
Senior Product Security Engineer
New York City or San Jose
$145k-$261k/yr OnsiteFull Time
6+ YOE6+ years software development experience, secure SDLC and threat modeling, fluency in Python and JavaScript, hands-on LLM/AI system experience, familiarity with Azure, containers, CI/CD, and strong leadership/mentoring skills.
Azure OpenAI, React, Python FastAPI, Celery, Postgres, Redis, Kubernetes, GitHub Copilot, Cursor, Python, JavaScript, Azure, CI/CD, Git
1mo
Save
Mark Applied
Hide
Senior Field Security Applications Engineer
Campbell or Austin or United States
$140k-$190k/yr FieldFull Time
5+ YOE5+ years SoC design and verification experience with Verilog/VHDL/SystemVerilog, RTL simulation/emulation tools, strong presentation skills, willingness to travel, US citizenship required.
Verilog, VHDL, SystemVerilog, RTL Simulation, Emulation, Synopsys, Cadence, Siemens, Cycuity Radix, Cycuity HW, FPGA-based Prototyping
2d
Save
Mark Applied
Hide
Senior Principal Engineer, Offensive Security (2026-345)
San Jose, California, United States
$190k-$240k/yr OnsiteFull Time
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
3w
Save
Mark Applied
Hide
Security Engineer II
Dublin, California, United States
$125k-$213k/yr HybridFull Time
7+ YOE7+ years information security experience (5+ with a large organization). Strong knowledge of endpoint, cloud, SIEM, EDR/XDR/MDR, log management, threat detection/response and automation. BLS: bachelor's degree preferred or senior certification; strong analytical, organizational and project estimation skills.
Anti-virus/malware protection, Advanced Threat Protection, Log Collection & Analysis, User Behavior Analytics, Vulnerabilities Management, SIEM, EDR, XDR, MDR, IR, File Integrity Monitoring, Endpoint Security, mobile security
2w
Save
Mark Applied
Hide
Principal Security Engineer
Santa Clara, California, United States
$143k-$275k/yr HybridFull Time
6+ YOEBachelor's in CS or related and 6+ years coding experience (C/C++/C#/Java/JavaScript/Python); experience in embedded software, cryptography, secure boot, and secure enclave design; pass Microsoft security screening.
C, C++, C#, Java, JavaScript, Python, Rust, openssl, Mbed TLS, SymCrypt, Microsoft Azure
Explore Jobs