293 senior security engineer jobs at 105 companies in Poway, CA
🚀PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yrOn-SiteFull Time
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Austin or Chicago or Dallas or Denver or Los Angeles or San Diego or San Francisco
$131k-$169k/yrHybridFull Time
Karbon: Practice management software for accounting firms.
4+ YOESenior Security Engineer with 4+ years in security or development; strong communication; cloud and AI experience; hands-on with security tooling and threat modelling.
QualcommNASDAQ: QCOM: Designs and manufactures semiconductors and wireless telecommunications products.
1+ YOE2+ years development experience in C#, .NET Core, Python, or Java; experience with IIS, SQL databases (Microsoft SQL, MySQL, Oracle), Linux, software security practices, vulnerability triage; bachelor's/master's/PhD in engineering or CS as described.
C#, .NET Core, Python, Java, IIS, Microsoft SQL, MySQL, Oracle, Linux, React JS, ANT, Docker, Kubernetes, API gateway, microservices
Saronic: Building autonomous surface vessels for maritime defense operations.
Experienced AI-focused security engineer who has shipped agents or LLM-based automations, builds secure backends and infrastructure, understands AI governance/DLP/monitoring, and can obtain U.S. security clearance.
LLMs, agentic loops, function calling, Infrastructure-as-Code, CI/CD, containers, APIs, data pipelines, MCP, evals
New York City or Austin or Boca Raton or Atlanta or San Francisco or Dallas or Nashville or Houston or San Jose or San Diego or Los Angeles or Boston or Washington or Miami or Chicago
$121k-$203k/yrHybridFull Time
McDermott Will & Schulte: Global law firm providing legal and transactional advisory services.
7+ YOE7+ years information security experience; experience with AI-assisted development tools/LLMs; knowledge of security risk frameworks, network and host-based controls, CI/CD and secure code; Microsoft Office proficiency; strong analytical and organizational skills.
AI-assisted development tools, LLMs, agentic AI, Microsoft Excel, Microsoft Outlook, Microsoft PowerPoint, Microsoft Word
Hewlett Packard EnterpriseNYSE: HPE: Provides edge-to-cloud IT infrastructure and platform services.
15+ YOESenior presales engineer with extensive networking, security, cloud, and automation experience; 15+ years preferred; strong customer-facing and leadership skills.
Seasats: Builds autonomous surface vessels for persistent maritime intelligence.
5+ YOEBS in Electrical Engineering with 5+ years hands-on hardware design and shipping; experience with Altium Designer; PCB layout, debugging, and battery/power systems; ability to obtain security clearance.
Voyager TechnologiesNYSE: VOYG: Provides advanced defense and commercial space technology solutions.
7+ YOEBachelor's in Electrical Engineering; 7+ years designing high-speed PCBs; FPGA/PLD, Ethernet PHYs, high-speed memories; signal integrity, power, and testing; able to obtain/maintain U.S. security clearance.
SnapNYSE: SNAP: Develops social media applications and augmented reality technology.
5+ YOEBachelor's or equivalent experience, 5+ years software development (C, C++, Rust), 3+ years in embedded/Linux security, experience with applied cryptography, threat modeling, fuzzing, and secure platform design.
5+ YOEBachelor's or equivalent, 5+ years writing production software (C, C++, Rust), 3+ years building security for Linux/embedded systems, applied cryptography and vulnerability assessment experience.
Kleinfelder: Professional engineering, design, and construction management services.
7+ YOE7+ years information security; 5+ years AD/Azure AD with MFA/SSO; 3+ years security operations and SDLC integration; 2+ years security initiatives leadership; Bachelor's degree or equivalent.
SIEM, Active Directory, Azure Active Directory, MFA, SSO, CI/CD, Azure DevOps, Git, Terraform, ARM, Bicep, APIM, Power Platform
CoStar GroupNASDAQ: CSGP: Global provider of commercial and residential real estate data.
8+ YOEBachelor's degree, 8+ years IT (5+ in cybersecurity), security certification (CISSP/CISM/GCIH/CEIH/SANS-GIAC), scripting (Perl/Python/PowerShell), Windows Server/Active Directory experience, incident response and MITRE ATT&CK familiarity.
Perl, Python, PowerShell, Windows Server 2012, Windows Server 2016, Windows Server 2019, Active Directory, Microsoft Defender, Microsoft Sentinel, Microsoft EOP, MITRE ATT&CK, CI/CD
San Diego or Irvine or Los Angeles or Centennial or Las Vegas or Edison
$150k-$180k/yrOnsiteFull Time
Axos FinancialNYSE: AX: Provides digital-first banking and diverse financial services to customers.
7+ YOE7+ years network security engineering experience with ZTNA and microsegmentation, strong networking fundamentals, familiarity with AI/ML agent development, bachelor's degree or equivalent experience, excellent communication skills.
El Segundo or Los Angeles or San Francisco or Washington or San Diego or Seattle or London
$110k-$190k/yrOnsiteFull Time
CHAOS Industries: Develops advanced radar and sensing systems for modern defense.
5+ YOE5+ years in cybersecurity/product/application security; experience with secure architecture, threat modeling, RMF/NIST/CMMC/DFARS, ATO/eMASS, cloud/endpoint/network/identity security; scripting (Python, PowerShell, Bash); U.S. citizenship and ability to obtain security clearances.
eMASS, Python, PowerShell, Bash, Microsoft GCC High
Innoflight: Designs and manufactures compact cyber-secure avionics for space missions.
9+ YOESenior embedded software engineer with 9+ years in C/C++, embedded Linux, RTOS, cryptography, secure networking, and hardware integration; requires active U.S. security clearance.
L3Harris TechnologiesNYSE: LHX: Aerospace and defense providing mission-critical technology solutions.
8+ YOEBachelor's in CS/CE or equivalent experience, 8+ years relevant experience (12+ without degree), Secret clearance required, Python and embedded/Linux experience, strong OOP and testing skills.