UNKNOWN

FEED

Identify and mitigate AI-specific threats across input manipulation, supply chain (model weights, datasets, third-party AI libraries), data privacy (training data leakage, PII disclosure), and model integrity (poisoning, unauthorized fine-tuning). Research and simulate advanced attack vectors including prompt injection, jailbreaking, adversarial suffixes, model extraction, model poisoning, training data leakage, and AI supply chain compromise.

YEAR

BILL Holdings Inc

Sr. Staff AI Security Engineer

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You’ll own the pipelines that turn raw telemetry into high-fidelity detections, lead the response when real incidents happen, and run a threat intelligence practice that keeps our defenses focused on the adversaries who actually target frontier AI labs. Hands-on experience building and operating security data pipelines at scale: log ingestion, parsing and normalization, enrichment, and storage and query in a SIEM or data lake (e.g., Splunk, Elastic, Panther, BigQuery, Snowflake, or ClickHouse).

Thinking Machines Lab

Security Engineer, Detection & Response

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Image provenance and supply-chain integrity, registry and admission controls, runtime sandboxing and isolation, and Kubernetes hardening (RBAC, network policies, pod security), with particular attention to the isolated workers that execute customer workflows. Design, implement, and operate Serval's infrastructure security program across cloud (AWS), Kubernetes, container runtimes, networking, and CI/CD, including hardening, configuration baselines, workload isolation, and continuous posture management.

Serval

Security Engineer, Infrastructure

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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 | 12791

Network Security Engineer

In financial crimes risk management, Quantifind's solution uniquely combines internal financial institution data with public domain data to assess risk in the context of Know Your Customer (KYC), Customer Due Diligence (CDD), Fraud Risk Management, and Anti-Money Laundering (AML) processes. Quantifind's development team is centered in Palo Alto, California, and we have technology hubs in Atlanta, Georgia, and in Washington, D.C. Quantifind is currently using a hybrid mix of working from home and in the office, with regular in-person touchpoints and shared office space.

Quantifind

Senior Infrastructure Engineer (Opentofu) 10/2026

Senior Infrastructure Engineer (Opentofu)

with Arc’teryx) we are uniquely positioned to launch the first commercially successful wearable robotic device, the MO/GO, develop a platform to launch future Movewear products and transform millions of lives in the coming years. Some of the specific responsibilities include, but are not limited to: Design and operate Skip's PKI infrastructure -- device certificate provisioning, certificate authority management, key lifecycle management, and revocation -- across our device fleet and cloud services.

Skip

Infrastructure Security Engineer

For unincorporated Los Angeles County workers: we reasonably believe that criminal history may have a direct, adverse and negative relationship with the following job duties, potentially resulting in the withdrawal of a conditional offer of employment: protect computer hardware entrusted to you from theft, loss or damage; return all computer hardware in your possession (including the data contained therein) upon termination of employment or end of assignment; and maintain the confidentiality of proprietary, confidential, and non-public information. As a Security Engineer, Application Security you will be responsible for identifying and mitigating security vulnerabilities within software applications through building security tools, code reviews, penetration testing, and security assessments.

OpenAI

Security Engineer, Application Security

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.

Deloitte Touche Tohmatsu Ltd

Cyber -AI Cloud Security Engineer - Consultant

Network Security Architecture: Design and deploy robust security measures across the network perimeter and internal fabrics (e.g., firewalls, IPS/IDS, segmentation, configuration health, best practicies) to protect CoreWeave's globally distributed hyperscale infrastructure hosting large-scale AI workloads. To conform to U.S. Government export regulations applicable to that information, applicant must either be (A) a U.S. person, defined as a (i) U.S. citizen or national, (ii) U.S. lawful permanent resident (green card holder), (iii) refugee under 8 U.S.C. § 1157, or (iv) asylee under 8 U.S.C. § 1158, (B) eligible to access the export controlled information without a required export authorization, or (C) eligible and reasonably likely to obtain the required export authorization from the applicable U.S. government agency.

Core Weave

Senior Security Engineer, Networking

This is a senior, hands-on individual contributor role for someone who has spent a career solving hard networking and security problems and wants to keep doing so directly, while shaping technical direction across our defense programs and growing into broader technical leadership. Design and implement security architectures that support IL5/IL6 accreditation, including network segmentation, encryption in transit (MACsec, IPsec, CSfC-style layered encryption), PKI, and cross-domain data flows.

Applied Intuition Inc

Network and Security Engineer, Defense

We’ve raised over $190M from top-tier investors including Lightspeed, Greylock, DST, Unusual Ventures, and individual backers such as Jeff Dean (Chief Scientist, Google DeepMind), Thomas Dohmke (CEO, GitHub), Matt Garman (CEO, AWS), Reid Hoffman (Founder, LinkedIn), and Fei-Fei Li (Professor, Stanford). Help Resolve AI meet the expectations of enterprise customers by clearly articulating our security posture and participating in technical security conversations when needed.

ResolveAI

Software Engineer, Infrastructure Security

We've raised over $190M from top-tier investors including Lightspeed, Greylock, DST, Unusual Ventures, and individual backers such as Jeff Dean (Chief Scientist, Google DeepMind), Thomas Dohmke (CEO, GitHub), Matt Garman (CEO, AWS), Reid Hoffman (Founder, LinkedIn), and Fei-Fei Li (Professor, Stanford). Help Resolve AI meet the expectations of enterprise customers by clearly articulating our security posture and participating in technical security conversations when needed.

Resolve AI Inc

Detailed Job Description Network Security Engineer - Firewall, VPN Management & Monitoring (L3) 24x7 Deep SME Support - Security Architecture - High-Risk Changes - Major Incident & RCA Ownership Role Level L3 / Network Security SME Experience 8-12+ years preferred Support Window 24x7 escalation / on-call Function Network Security Primary Technologies Palo Alto, Fortinet/FortiGate, Check Point, Cisco ASA/FTD, VPN, NAT, ZTNA/ZINA Primary Processes Major Incident, Problem/RCA, Complex Change, Risk, Compliance Core Tools Panorama, FortiManager, FortiAnalyzer, SmartConsole, SIEM/SOAR, ServiceNow, Wireshark Delivery Context Burlington 24x7 managed network security operations Certifications PCNSE, NSE4/5/7, CCNP/CCIE Security, CCSA/CCSE, ITIL preferred Document Type Reusable detailed L3 staffing profile 1. Role Summary The Network Security Engineer - Firewall, VPN Management & Monitoring (L3) is a deep subject matter expert responsible for advanced operations, architecture validation, optimization, major incident resolution, RCA leadership, complex change ownership, governance and mentoring for enterprise firewall and VPN environments.

Employee Strength : 223,000 on March 31, 2025  Countries of Operation : 60 Countries
Consolidated Revenues: US $13.8B ,for 12 months ending March 2025
HCLTech is a global technology company, home to more than 223,000 people across 60 countries, delivering industry-leading capabilities centered around digital, engineering and cloud, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of 12 months ending March 2025 for $13.8 Billion. To learn how we can supercharge progress for you, visit <a href="https://urldefense.com/v3/__https://linkprotect.cudasvc.com/url?a=https*3a*2f*2fhcltech.com&c=E,1,YLM9eqRIWyisk6rzUtt-TC_a-5aSuyJgSIT9CeUPKnlUHPWiaGYFDbJcWWbmdqug2u98u_CZS5tci2GRD6BvXZTPh12d-2kJzo-lftXy4J-mjXTUYg05Rpqg&typo=1&ancr_add=1__;JSUl!!D1XWH5In!V6bxMmyaEl7QJGSlh0iumVpbseS84s_GjLWkU6RQjIykjc44OxVMj5Sr1w3fm5uNyDwFqsjk5jjMgYOjuAHsToBXuSQi39UvC78$" target="_blank" rel="noopener" shape="rect">hcltech.com</a>.

HCL Technologies Ltd

Track Lead - Fortinet, Palo Alto Firewall

ADAPTED_NOW

Hands-on experience designing and operating autonomous agent systems — planning, tool invocation, memory, context design, and guardrails — and a working command of the LLM behavior, evaluation, and failure modes needed to reason about and verify agentic solutions in production. To be successful in this role you have: A demonstrated track record of designing, deploying, and operating production software and AI solutions in customer-facing settings, with clear evidence of leading complex engagements to successful business outcomes.

Servicenow

Principal AI Forward Deployed Engineer

Ivy Exec

SSL, TCP/UDP, HTTP, FTP/SFTP, NTP, Telnet, NFS, SSH, LDAP, etc.) • Good understanding of routing technologies including OSPF, BGP, GRE Tunnel and IPSEC VPNs with the ability to design and troubleshoot complex enterprise network infrastructure. • Strong experience on Palo Alto Network firewalls • Very strong hands-on experience on implementation and advanced troubleshooting in Palo Alto firewalls & Zscaler (ZIA & ZPA) in High-availability mode.

Track Manager -Data Loss Prevention,Palo Alto Firewalls

We partner with engineering teams to tackle challenges like managing rich geospatial and machine learning workloads, hardening cloud infrastructure, and implementing security features across our stack (Ruby, TypeScript, Docker, GCP, Terraform, and more). Hover has Hubs in San Francisco and New York City, where we expect that all employees living within a 50-mile radius of our offices will come into their local Hover office at least three times a week to build rapport and foster organic connection.

HOVER Inc

Senior Security Software Engineer

Expert-level Kubernetes experience, with deep hands-on knowledge of cluster architecture, provisioning, upgrades, networking, RBAC, policy enforcement, workload security, and operating production Kubernetes environments at scale. Lead architectural reviews and improvements across Axon's Kubernetes platforms, identifying security, reliability, and operational gaps and partnering with platform teams to implement scalable solutions.

Axon Enterprise Inc

Principal Security Operations 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. 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.

Security Engineer Jobs in Menlo Park, CA

Sr. Staff AI Security Engineer BILL Holdings Inc

Security Engineer, Detection & Response Thinking Machines Lab

Security Engineer, Infrastructure Serval

Network Security Engineer | 12791 CTI Consulting

Network Security Engineer CTI Consulting

Senior Infrastructure Engineer (Opentofu) 10/2026 Quantifind

Senior Infrastructure Engineer (Opentofu) Quantifind

Infrastructure Security Engineer Skip

Security Engineer, Application Security OpenAI

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

Senior Security Engineer, Networking Core Weave

Network and Security Engineer, Defense Applied Intuition Inc

Software Engineer, Infrastructure Security ResolveAI

Software Engineer, Infrastructure Security Resolve AI Inc

Track Lead - Fortinet, Palo Alto Firewall HCL Technologies Ltd

Principal AI Forward Deployed Engineer Servicenow

Track Manager -Data Loss Prevention,Palo Alto Firewalls HCL Technologies Ltd

Senior Security Software Engineer HOVER Inc

Principal Security Operations Engineer Axon Enterprise Inc

Senior Security Engineer - Detection & Response Lambda Inc

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