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Platform Security Engineer Jobs in California (NOW HIRING)

Roblox

Senior Cloud Security Engineer

San Mateo, CA

$130K - $178K/yr

Embedded within the Platform Security team, you will operate with a high degree of autonomy ... Engineer Self-Healing Infrastructure: Architect and scale systems that monitor our cloud posture ...

FieldAI

Infrastructure Security Engineer

Irvine, CA · On-site

$151K/yr

The Infrastructure Security Engineer will secure cloud infrastructure and deployment platforms, working closely with engineering teams to enhance the security of large-scale distributed systems in ...

Spinwheel

Senior Security Engineer, Platforms & AI

Oakland, CA · On-site +1

$132K - $181K/yr

About the Role We're looking for a hands-on Senior Security Engineer to own the technical security posture of our platform, infrastructure, and AI-driven systems. You'll spend most of your time in ...

FieldAI

Robotics Product Security Engineer

Irvine, CA · On-site

$62.25 - $83.25/hr

... Security Engineer to enhance the security architecture of autonomous robotic systems. The role ... platforms, deployment mechanisms, and operational workflows • Secure robot identity ...

Everlaw

Security Engineer

Oakland, CA · Hybrid

$159K - $201K/yr

Advise internal partners on platform security risks, explaining technical security concepts without ... You bring programming skills in at least one scripting language (such as Python) and comfortably ...

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Platform Security Engineer information

See California salary details

$60.7K

$150.8K

$202.8K

How much do platform security engineer jobs pay per year?

As of Aug 15, 2026, the average yearly pay for platform security engineer in California is $150,773.00, according to ZipRecruiter salary data. Most workers in this role earn between $141,100.00 and $156,400.00 per year, depending on experience, location, and employer.

What are some typical challenges faced by platform security engineers, and how do they address them?

Platform Security Engineers often encounter challenges such as keeping up with an ever-changing threat landscape, ensuring secure integrations with third-party systems, and balancing robust security measures with business needs for usability and performance. They address these by staying up-to-date with industry trends, conducting regular risk assessments, and working closely with software development, DevOps, and IT teams to implement best practices. A proactive and adaptive approach, combined with ongoing communication with stakeholders, is key to overcoming these challenges and maintaining a secure and resilient platform environment.

What are the key skills and qualifications needed to thrive as a platform security engineer?

To thrive as a Platform Security Engineer, you need a strong background in cybersecurity principles, systems architecture, and secure coding practices, often backed by a degree in computer science or a related field. Familiarity with tools like SIEM platforms, vulnerability scanners, cloud security services, and certifications such as CISSP or AWS Security Specialty is highly valued. Analytical thinking, effective communication, and the ability to collaborate across interdisciplinary teams are critical soft skills. These competencies ensure the design, implementation, and maintenance of resilient platforms that protect organizational assets against evolving threats.

What is a platform security engineer?

A Platform Security Engineer is responsible for securing an organization's infrastructure, applications, and cloud environments. They design and implement security controls, monitor for threats, and ensure compliance with security standards. Their role includes working with development and operations teams to integrate security into CI/CD pipelines, manage vulnerabilities, and respond to incidents. This position requires expertise in areas like authentication, encryption, and infrastructure security to protect platforms from cyber threats.

What are popular job titles related to Platform Security Engineer jobs in California?

For Platform Security Engineer jobs in California, the most frequently searched job titles are:

What job categories do people searching Platform Security Engineer jobs in California look for?

The top searched job categories for Platform Security Engineer jobs in California are:

Platform Security Engineer jobs near you
Infographic showing various Platform Security Engineer job openings in California as of August 2026, with employment types broken down into 84% Full Time, and 16% Contract. Highlights an 85% In-person, and 15% Remote job distribution, with an average salary of $150,773 per year, or $72.5 per hour.

Software Engineer, Platform Security

Decagon

San Francisco, CA • On-site

$200K - $330K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 10 days ago

Job description

About Decagon
Decagon is the leading conversational AI platform empowering every brand to deliver concierge customer experiences.
Our technology enables industry-defining enterprises like Avis Budget Group, Block's Cash App and Square, Chime, Oura Health, and Hunter Douglas to deploy AI agents that power personalized, deeply satisfying interactions across voice, chat, email, SMS, and every other channel.
We're building a future where customer experiences are being redefined from support tickets and hold music to faster resolutions, richer conversations, and deeper relationships. We're proud to be backed by world-class investors who share that vision, including a16z, Accel, Bain Capital Ventures, Coatue, and Index Ventures, along with many others.
We're an in-office company, driven by a shared commitment to excellence and velocity. Our values - Just Get It Done, Invent What Customers Want, Winner's Mindset, and The Polymath Principle - shape how we work and grow as a team.
About the Team
The Security Engineering team at Decagon protects the platform that powers the most advanced conversational AI agents for enterprise customers across voice, chat, email and SMS. We build the security foundations that enable Decagon's AI agents to handle sensitive customer data with trust while defending against sophisticated, AI-enabled threats at massive scale.
Our mission is to provide magical support experiences - ensuring that AI agents and human agents can collaborate safely to help users resolve their issues while maintaining the highest standards of security and privacy.
About the Role
Lead the application security strategy and implementation for Decagon AI's conversational platform that serves enterprise customers at scale. You'll partner with engineering teams to build security directly into our AI-powered applications, ensuring protection against application-layer threats while maintaining the performance and reliability our customers expect. This role offers the opportunity to apply deep application security expertise to AI systems and shape security practices across our rapidly growing engineering organization.
In this role, you will
  • Design and implement application security controls across our AI agent platform, including secure coding practices, threat modeling, and vulnerability management.
  • Collaborate closely with product engineering teams to integrate security throughout the software development lifecycle, from design, coding, PR, and deployment
  • Establish application security testing programs including static analysis (SAST), dynamic analysis (DAST), and interactive testing (IAST) tailored for AI applications
  • Lead security code reviews and architecture assessments for new features, with special focus on AI model integration points and customer data handling
  • Build security tooling and automation to enable developers to identify and remediate vulnerabilities quickly while maintaining development velocity
  • Respond to security incidents involving application vulnerabilities, coordinating remediation efforts and post-incident improvements

Your background looks something like this
  • Have 3-5 years of hands-on application security engineering experience
  • Expertise in secure software development practices, including threat modeling, secure code review, and vulnerability assessment
  • Strong software engineering background with ability to review code across multiple languages and frameworks commonly used in AI/ML applications
  • Experience implementing application security testing tools and integrating security into CI/CD pipelines
  • Knowledge of OWASP Top 10, common application vulnerabilities, and modern application security frameworks
  • Proven track record working with engineering teams to remediate security findings while balancing security and business requirements

Even better
  • Experience securing AI/ML applications, including prompt injection, model extraction, and adversarial input protections
  • Background with large-scale, multi-tenant SaaS applications handling sensitive customer data
  • Familiarity with Google Cloud application security services and container security best practices
  • Knowledge of enterprise compliance requirements (SOC 2, ISO 27001, GDPR) from an application security perspective
  • Experience with modern security tools like Semgrep, CodeQL, Cursor Bug Bot, XBOW, or similar

Compensation
$200K - $330K + Offers Equity
Benefits
We proudly offer the following benefits for our full-time employees:
  • Medical, Dental, and Vision benefits for you and your family
  • Life Insurance and Disability Benefits
  • Retirement Plan (e.g., 401K, pension)
  • Parental Leave
  • Fertility and family building benefits through Carrot
  • Monthly stipend to support your wellness, lifestyle, and work-life balance
  • Daily lunches and snacks in the office to keep you at your best
  • Take what you need vacation policy (subject to local requirements; UK employees receive 25 days of statutory leave)

These benefits are described in more detail in Decagon's policies, may vary by location, and can change at any time according to applicable compensation and benefits plans.

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