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As a key security member at Valon, you will help scale and strengthen our offensive security and threat operations, proactively identifying weaknesses in our systems, networks, and applications as the company continues to grow. In addition to protecting Valon's internal systems, the Security team partners closely with Product and Engineering to design and deliver secure, scalable, and trustworthy capabilities for ValonOS.

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Valon Mortgage Inc

Senior Security Engineer, Threat & Offensive Security

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Technical Mentorship: Act as a technical resource and mentor to junior engineers, providing guidance to remove obstacles and develop smooth, highly functional workflows. About the role: As a Senior Product Security Engineer, you will be a key technical resource for the team, leading the security of the software development life cycle (SDLC) from design to completion.

Oscar Health Insurance

Senior Security Engineer I, Product Security

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What You Bring Must-Have: - 5+ years of network security engineering supporting production environments - 5+ years of IT systems or application engineering and administration - Strong working knowledge of all layers of the OSI model - Hands-on Layer-7 protection experience: application control, TLS inspection, IPS, URL and DNS filtering - Direct experience administering enterprise NGFW/UTM platforms - Experience implementing and supporting 802.1X wired and wireless NAC - Experience with enterprise remote access VPN - Experience working within a formal change management process, with clear written and verbal communication across security, IT, product, and operations teams Nice-to-Have: - Relevant certifications such as PCNSE, Security+, or CISSP - Scripting or automation experience for configuration and reporting (Python, Ansible, Terraform) - Experience in a regulated or safety-critical environment - Experience with network segmentation and SSL decryption enforcement - Strong runbook and network diagram documentation habits Technical Environment: - Enterprise NGFW/UTM platforms, URL filtering, and Layer-7 inspection - IDS/IPS and TLS/SSL decryption - 802.1X wired and wireless NAC - Remote access VPN - ITSM ticketing and formal change management What Success Looks Like: - Tickets closed to SLA, with satisfied requesters - Changes land cleanly, with no change-caused incidents - Project milestones hit on agreed dates, with complete documentation at handoff What You'll Do - Administer next-gen firewall and UTM platforms, including policy changes, rule cleanup, software and signature updates, and certificate renewals - Operate URL filtering and Layer-7 inspection policies, including category tuning and exception handling - Tune IDS/IPS signatures, reduce false positives, and escalate confirmed detections to the security operations team - Support 802.1X network access control, including supplicant, certificate, and policy troubleshooting and onboarding new device types - Support remote access VPN, including client troubleshooting, access and split-tunnel policy changes, and availability monitoring - Work the ticket queue to SLA with clear written updates to requesters - Maintain runbooks, network diagrams, and configuration documentation - Deliver scoped projects, including an 802.1X expansion and segmentation with SSL decryption enforcement Requirements.

CTI Consulting

Network Security Engineer

Network Security Engineer | 12791

At ALSO, we are looking for a Staff Security Engineer for Cloud who wants to own security end to end - not advise on it, build it - for a connected, software-defined EV platform where nearly everything of value runs through the cloud: telemetry streaming in from vehicles in the field, remote diagnostics and updates, fleet intelligence, and the product APIs customers touch every day. Expert, hands-on AWS: IAM, VPC and network design, KMS, Secrets Manager, GuardDuty, Security Hub, CloudTrail, Config, and org-level guardrails (SCPs), alongside core compute and data services (EKS, ECS, ECR, Lambda, DynamoDB, S3).

Also Inc

Staff Security Engineer, Cloud

This is your chance to shape how a fast-growing AI company secures the cloud - not just by finding risks, but by building secure-by-default systems, guardrails, and automation that let every team ship faster and safer. What You Bring: 10+ years of experience in cloud security, security engineering, or infrastructure engineering, with a strong track record of securing production environments at scale.

Typeface

Staff Cloud Security Engineer

We're looking for problem-solving, opportunity-finding teammates with a sense of urgency, who believe in the scale of our ambition and thrive on a path not fully paved - people who want to grow their careers alongside a team of experts across energy, manufacturing, data center construction, and cloud services. What You'll Be Working On: Administer and continuously improve Jamf and Microsoft Intune environments across all managed device types: macOS, Windows, iOS, and Android; maintain configuration profiles, compliance policies, app deployment packages, and OS update enforcement across all platforms.

Crusoe Energy

Senior Endpoint Security Engineer

We are on the path to $100M in ARR with 20%+ monthly growth , powering thousands of searches every day and making Juicebox one of the fastest-growing AI SaaS companies in the world. Teams at Ramp, Notion, and leading AI labs use Juicebox to power their hiring, alongside 5,000+ customers from early-stage startups to Fortune 500 companies.

Juicebox

Security Engineer

Applied Intuition is headquartered in Sunnyvale, California, with offices in Washington, D.C. San Diego; Ft. Walton Beach, Florida; Ann Arbor, Michigan; London; Stuttgart; Munich; Stockholm; Bangalore; Seoul; and Tokyo. Nice to have: Proven experience working with automotive embedded systems, including Electronic Control Units (ECUs), in-vehicle networks (e.g., CAN, LIN, Ethernet), and automotive-specific protocols (e.g., AUTOSAR).

Applied Intuition Inc

Embedded Security Engineer

You will own the security roadmap for our multi-cloud control plane and customer-hosted deployments, architecting critical guardrails, ranging from IAM and RBAC to secure agent-tool integration, that make complex workflows production-ready. This is a unique opportunity to build mission-critical infrastructure ensuring security is not just a checkbox, but fully integrated into our SDLC and cloud control plane so that our customers can confidently automate their most sensitive business processes.

Orkes

Senior Security Engineer

With technology proven over years of self-driving deployments, Nuro gives the automakers and mobility platforms a clear path to AVs at commercial scale, empowering a safer, richer, and more connected future. Excellent communication, presentation, interpersonal, and analytical skills; the ability to communicate complex interaction concepts and risks clearly and persuasively in a highly eng-driven environment.

Nuro

Security Engineer, Infrastructure

You'll also be thinking a step ahead about security in an AI-native environment, where agents write code and operate inside developer and production workflows, while staying grounded in the core work of cloud, Kubernetes, identity, and networking. Brain Co. is entering its next phase of production deployments on a national scale with an elite team built from Palantir, Google, Meta, and Nvidia, and a growing footprint across government, insurance, health, and financial services.

Brain Co.

AI Infrastructure Security Engineer

Leading the design and implementation of secure AI workloads across Amazon Web Services (AWS), Microsoft Azure, Google Cloud, and hybrid environments, including cloud landing zones, network isolation, private connectivity, logging, encryption, key management, data protection, containers, serverless workloads, Kubernetes, and infrastructure-as-code controls. Required: Bachelor's degree in Information Technology, Computer Science, Artificial Intelligence, Cybersecurity, Computer Engineering, or Software Engineering; equivalent professional work experience in software engineering, AI engineering, cybersecurity, cloud security, application security, or technology consulting may be considered in lieu of a degree.

Deloitte Touche Tohmatsu Ltd

Cyber - AI Cloud Security Engineer - Manager

Our investors notably include TWG Global, US Innovative Technology Fund (USIT), Andra Capital, SGW, Andrej Karpathy, ARK Invest, Fincadia Advisors, G Squared, In-Q-Tel (IQT), KHK & Partners, NVIDIA, Pegatron, Supermicro, Wistron, Wiwynn, Gradient Ventures, Mercato Partners, SVB, 1517, and Crescent Cove. Reporting to the Security Engineering Lead, you will serve as a hands-on technical expert on the Detection & Response team—acting as an intelligent backstop that ensures Lambda is the safest place to build with AI by catching security issues in real-time while enabling our business to move at hypergrowth velocity.

Lambda

Senior Security Engineer - Detection & Response

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As an AI Cloud Security Engineer, Consultant on the Cyber and Cloud Security team, you will be responsible for: Designing secure architectures for generative AI, agentic AI, retrieval-augmented generation (RAG), model serving, and AI-enabled enterprise applications; applying AI Zero Trust principles across models, agents, tools, application programming interfaces (APIs), data, cloud workloads, development pipelines, and runtime environments. Designing and implementing secure AI workloads across Amazon Web Services, Microsoft Azure, Google Cloud, and hybrid environments, including cloud landing zones, network isolation, private connectivity, logging, encryption, key management, data protection, containers, serverless workloads, Kubernetes, policy-as-code controls, and automated remediation.

Cyber -AI Cloud Security Engineer - Consultant

Designing and implementing secure AI workloads across Amazon Web Services, Microsoft Azure, Google Cloud, and hybrid environments, including cloud landing zones, network isolation, private connectivity, logging, encryption, key management, data protection, containers, serverless workloads, Kubernetes, and infrastructure-as-code controls. Required: Bachelor's degree in Information Technology, Computer Science, Artificial Intelligence, Cybersecurity, Computer Engineering, or Software Engineering; equivalent professional work experience in software engineering, AI engineering, cybersecurity, cloud security, application security, or technology consulting may be considered in lieu of a degree.

Cyber - AI Cloud Security Engineer - Senior Consultant

The following are considered strong signals: Bug bounty work, penetration testing, vulnerability research, published CVEs, security tooling, conference talks, or substantive technical writing. Secure applications, APIs, the platform, and data workflows through threat modeling, design reviews, code reviews, vulnerability research, authentication and authorization controls, and remediation.

Invictus Direct

This includes designing and implementing processes and technologies for least privilege, isolating different components, managing attack surface, and implementing layers of tenant isolation on our multi-tenant SaaS offering. Demonstrated experience writing high-quality software, building production-grade infrastructure and raising the security bar across engineering teams.

Harvey, Inc.

Staff Infrastructure Security Engineer

Our investors notably include TWG Global, US Innovative Technology Fund (USIT), Andra Capital, SGW, Andrej Karpathy, ARK Invest, Fincadia Advisors, G Squared, In-Q-Tel (IQT), KHK & Partners, NVIDIA, Pegatron, Supermicro, Wistron, Wiwynn, Gradient Ventures, Mercato Partners, SVB, 1517, and Crescent Cove. Over the next 12-18 months, youll help deliver our 2026 security roadmap, expand detection coverage for AI-specific threats, help mature our incident response program, and ship security automation that other engineering teams adopt voluntarily.

Lambda Inc

Our investors notably include TWG Global, US Innovative Technology Fund (USIT), Andra Capital, SGW, Andrej Karpathy, ARK Invest, Fincadia Advisors, G Squared, In-Q-Tel (IQT), KHK & Partners, NVIDIA, Pegatron, Supermicro, Wistron, Wiwynn, Gradient Ventures, Mercato Partners, SVB, 1517, and Crescent Cove. Over the next 12-18 months, you'll help deliver our 2026 security roadmap, expand detection coverage for AI-specific threats, help mature our incident response program, and ship security automation that other engineering teams adopt voluntarily.

Security Engineer Jobs in Palo Alto, CA

Senior Security Engineer, Threat & Offensive Security Valon Mortgage Inc

Senior Security Engineer I, Product Security Oscar Health Insurance

Network Security Engineer CTI Consulting

Network Security Engineer | 12791 CTI Consulting

Staff Security Engineer, Cloud Also Inc

Staff Cloud Security Engineer Typeface

Senior Endpoint Security Engineer Crusoe Energy

Security Engineer Juicebox

Embedded Security Engineer Applied Intuition Inc

Senior Security Engineer Orkes

Security Engineer, Infrastructure Nuro

AI Infrastructure Security Engineer Brain Co.

Cyber - AI Cloud Security Engineer - Manager Deloitte Touche Tohmatsu Ltd

Senior Security Engineer - Detection & Response Lambda

Cyber -AI Cloud Security Engineer - Consultant Deloitte Touche Tohmatsu Ltd

Cyber - AI Cloud Security Engineer - Senior Consultant Deloitte Touche Tohmatsu Ltd

Security Engineer Invictus Direct

Staff Infrastructure Security Engineer Harvey, Inc.

Security Engineer Lambda Inc

Security Engineer Lambda

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