Principal Security Field Engineer Jobs

Zscaler (NASDAQ: ZS) accelerates digital transformation so customers can be more agile, efficient, resilient, and secure. The Zscaler Zero Trust Exchange platform protects thousands of customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location. Distributed across 200+ public data centers globally and thousands of private sites at the edge, the SASE-based Zero Trust Exchange is the world’s largest in-line cloud security platform. We believe the future of work is Human + AI and are building an AI-native enterprise where human potential is amplified by machine intelligence to solve the world’s hardest security challenges. Driven by deep customer obsession, we are committed to the mission, outcome, and to each other. We bring these commitments to life through three core behaviors: ownership and collaboration, trust through outcomes and impact, and a challenge culture with ongoing feedback. Ready to make an impact at the company pioneering security transformation in the AI era? Join us at Zscaler. Job Description: Zscaler is seeking a passionate Healthcare Industry Principal Sales Engineer (PSE) to serve as a top-level technical authority and senior individual contributor. Lead the charge in healthcare innovation. As a strategic veteran, you will drive complex technical sales scenarios where Zero Trust architecture becomes the bedrock of clinical resilience. Your expertise will demonstrate how Zscaler doesn’t just secure data—it empowers providers to deliver innovation resulting in better care, faster and more securely. This role acts as a critical intersection and bridge between our customers, partners, sales teams, sales engineers, and product management - providing the deep technical expertise and strategic influence required to secure a cloud-enabled digital future. Key Responsibilities Opportunity Acceleration: Lead high-impact sales engagements and complex Proof of Values (POV) from inception to completio

Zscaler (NASDAQ: ZS) accelerates digital transformation so customers can be more agile, efficient, resilient, and secure. The Zscaler Zero Trust Exchange platform protects thousands of customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location. Distributed across 200+ public data centers globally and thousands of private sites at the edge, the SASE-based Zero Trust Exchange is the world’s largest in-line cloud security platform. We believe the future of work is Human + AI and are building an AI-native enterprise where human potential is amplified by machine intelligence to solve the world’s hardest security challenges. Driven by deep customer obsession, we are committed to the mission, outcome, and to each other. We bring these commitments to life through three core behaviors: ownership and collaboration, trust through outcomes and impact, and a challenge culture with ongoing feedback. Ready to make an impact at the company pioneering security transformation in the AI era? Join us at Zscaler. Role We are looking for a Principal Sales Engineer to join our team. This is a Remote (Milan, Italy) role, reporting to the Sales Engineering Manager in the Solutions Consulting department. In this position, you will set the technical direction for marquee opportunities in Italy and partner with extended teams to drive strategic outcomes for our most significant customers. You will pioneer new offerings, influence the product roadmap, establish cross-portfolio architecture standards, and represent the Solutions Consulting function in key partner and analyst forums. Additionally, you will mentor senior Sales Engineers, assess regional capability gaps, and package field insights into roadmap proposals as part of the EMEA technical advisory function. What you’ll do (Role Expectations) Position Zscaler Value through technical expertise and sales experience to win the mindshare of customer technical teams Drive enablement and so

Zscaler (NASDAQ: ZS) accelerates digital transformation so customers can be more agile, efficient, resilient, and secure. The Zscaler Zero Trust Exchange platform protects thousands of customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location. Distributed across 200+ public data centers globally and thousands of private sites at the edge, the SASE-based Zero Trust Exchange is the world’s largest in-line cloud security platform. We believe the future of work is Human + AI and are building an AI-native enterprise where human potential is amplified by machine intelligence to solve the world’s hardest security challenges. Driven by deep customer obsession, we are committed to the mission, outcome, and to each other. We bring these commitments to life through three core behaviors: ownership and collaboration, trust through outcomes and impact, and a challenge culture with ongoing feedback. Ready to make an impact at the company pioneering security transformation in the AI era? Join us at Zscaler. Role We are looking for a Principal Sales Engineer to join our team. This is a Hybrid role, reporting to the Senior Director, Sales Engineering in the APJ Field Sales department. A Principal Sales Engineer is an industry expert who advises, encourages and challenges customers and prospects to evolve their cybersecurity architecture from one based on legacy Network and Perimeter architectures to one based on Zero Trust Architecture design principles leveraging the Zscaler Zero Trust Exchange (ZTE). What you’ll do (Role Expectations) Facilitate consultative discovery and design workshops meant to uncover a customer’s business requirements and their current-state architecture Design a high-level Zero Trust Architecture including a phased adoption roadmap expressing how the customer can transform to a Zero Trust Architecture future-state over time Engage across customer functional teams, as well as Zscaler partner and int

Zscaler (NASDAQ: ZS) accelerates digital transformation so customers can be more agile, efficient, resilient, and secure. The Zscaler Zero Trust Exchange platform protects thousands of customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location. Distributed across 200+ public data centers globally and thousands of private sites at the edge, the SASE-based Zero Trust Exchange is the world’s largest in-line cloud security platform. We believe the future of work is Human + AI and are building an AI-native enterprise where human potential is amplified by machine intelligence to solve the world’s hardest security challenges. Driven by deep customer obsession, we are committed to the mission, outcome, and to each other. We bring these commitments to life through three core behaviors: ownership and collaboration, trust through outcomes and impact, and a challenge culture with ongoing feedback. Ready to make an impact at the company pioneering security transformation in the AI era? Join us at Zscaler. Role We are looking for a Principal Solutions Engineer to join our Solution Consulting team. This is a Hybrid role, reporting to the Director Sales Engineer. As the Principal Solutions Engineer, you will be a pivotal technical leader driving the strategy that aligns our innovative security solutions with the complex business needs of enterprise clients. You will own the technical sales motion, foster executive-level relationships, and scale processes that ensure consistent, high-impact wins across the territory. What you’ll do (Role Expectations) Collaborate with sales leadership and clients to develop and execute winning segment and account-level strategies, owning the technical sales motion from start to finish Refine and scale core sales engineering processes to ensure consistency, efficiency, and high performance across the region Act as a key technical leader and executive sponsor for strategic customers and part

Graphcore is a globally recognized leader in Artificial Intelligence computing systems. The company designs advanced semiconductors and data centre hardware that provide the specialized processing power needed to drive AI innovation, while delivering the efficiency required to support its broader adoption. As part of the SoftBank Group, Graphcore is a member of an elite family of companies responsible for some of the world’s most transformative technologies. We are opening a new AI Engineering Campus in Austin, which will play a central role in Graphcore's work building the future of AI computing. RESPONSIBILITIES Responsible for the maintaining all the network fabrics and network topologies operating at peak performance on Graphcore Data centers housing AI server platforms. Collaborate closely with our Network architecture team through all phases of the design and development lifecycle — from concept to deployment — ensuring timely, high-quality, and stable high-speed network fabrics. Primary support of deployed internal fabrics in our AI Datacenters. Direct escalation for Hardware, Link and, Performance issues on network fabrics. Escalation support for customer network fabrics (aligned to reference arch.) Triage day-to-day network topologies (scale-up, scale-out, and front-end networks) issues of Fabrics deployed in Graphcore Datacenters. REQUIREMENTS Bachelor’s, master’s degree or equivalent experience in Network Engineering/Security, Information Technology, Computer Science, Computer engineering, or a related field. 9+ years of hands-on experience in network engineering and 3+ years supporting networking on AI or Hyperscale Datacenters. Knowledge of Remote Direct Memory Access (RDMA) and its implementations, specifically ROCEv2 or InfiniBand Knowledge of Lossless network – Experience with congestion control and lossless Ethernet technologies including PDF, ECN and DCQCN. Versed in High-Bandwidth networ

For more than 30 years, SonicWall has delivered a partner-first unified cybersecurity portfolio that helps SMBs, MSPs, and IT teams consolidate network security, endpoint security, security service edge (SSE), and threat response across hybrid environments. By bringing connected technology, real-time threat intelligence, automation, and expert services together, SonicWall helps organizations simplify security operations, achieve better security outcomes, and lower total cost of ownership. Backed by a global ecosystem of more than 17,000 partners, SonicWall delivers enterprise-grade protection built for SMB and mid-market realities. For more information, visit www.sonicwall.com or follow us on X, LinkedIn , Facebook , and Instagram . We are seeking an experienced Hardware Design Engineer to lead the end-to-end development of next-generation network security appliances. This individual will be responsible for all phases of hardware product development, including requirements definition, architecture, detailed design, prototyping, validation, manufacturing support, and production release. The ideal candidate will have extensive experience designing high-performance networking platforms, embedded systems, and security-focused hardware products. Key Responsibilities Hardware Architecture & Product Development Own the complete hardware design lifecycle from concept through production and sustaining engineering. Translate product requirements into hardware architectures and detailed design specifications. Conduct technology evaluations, design trade-off analyses, and recommend optimal solutions. Select and qualify key components, technologies, and vendors. Drive product lifecycle management (PLM) activities, including product introduction, production release, field support, and post-launch analysis. Design & Development Design complex multi-layer PCBs for networking and security appliances. Perform circuit design, schematic capture, signal integ

Zscaler (NASDAQ: ZS) accelerates digital transformation so customers can be more agile, efficient, resilient, and secure. The Zscaler Zero Trust Exchange platform protects thousands of customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location. Distributed across 200+ public data centers globally and thousands of private sites at the edge, the SASE-based Zero Trust Exchange is the world’s largest in-line cloud security platform. We believe the future of work is Human + AI and are building an AI-native enterprise where human potential is amplified by machine intelligence to solve the world’s hardest security challenges. Driven by deep customer obsession, we are committed to the mission, outcome, and to each other. We bring these commitments to life through three core behaviors: ownership and collaboration, trust through outcomes and impact, and a challenge culture with ongoing feedback. Ready to make an impact at the company pioneering security transformation in the AI era? Join us at Zscaler. Role We are seeking a hands-on, self-starting Principal Technical Marketing Engineer with deep networking and monitoring expertise to drive technical enablement, customer validation, and field readiness for our next-generation Zero Trust Branch and Zscaler Digital Experience solutions. In this remote role, you will report to the Director of Product Management within the Zscaler Digital Experience department, serving as a critical bridge between our field teams and core engineering. Your mission is to accelerate adoption, reduce sales friction, and standardize post-sales time-to-value through hands-on technical validation and world-class enablement collateral. What You'll Do Own hands-on technical POVs, architectural demos, and pilot evaluations for enterprise prospects and customers to validate capabilities and accelerate deal closure Design, deploy, and maintain resilient physical and virtual networking lab topologies Serv

Our vision is to transform how the world uses information to enrich life for all. Join an inclusive team passionate about one thing: using their expertise in the relentless pursuit of innovation for customers and partners. The solutions we build help make everything from virtual reality experiences to breakthroughs in neural networks possible. We do it all while committing to integrity, sustainability, and giving back to our communities. Because doing so can fuel the very innovation we are pursuing. Responsibilities: SUPPORT CUSTOMERS AND DEBUG FIRMWARE Customer engineering support: Act as the primary technical escalation point for Security Firmware on SSD products — triage, prioritize, and drive customer reported security issues to closure within committed response times Security feature enablement: Guide customers through the configuration, integration, and validation of SSD security features; including, but not limited to: TCG Opal/Pyrite/Ruby and Enterprise SSC, ATA and NVMe security commands, self-encrypting drive operation, secure boot and signed firmware update, sanitize and cryptographic erase, key management, and device attestation Debug and root cause analysis: Reproduce customer, qualification, and field failures in the lab; analyze firmware logs, traces, and bus captures; debug Security Firmware source; and deliver documented root cause and corrective action Firmware fixes and validation: Develop, unit test, and functionally validate targeted Security Firmware changes and customer specific configurations and builds, ensuring each change meets the security, functional, performance, and quality/reliability requirements of the technical spec matrix before release Vulnerability and incident response: Assess the impact of reported vuln

Secure Every Identity, from AI to Human Identity is the key to unlocking the potential of AI. Okta secures AI by building the trusted, neutral infrastructure that enables organizations to safely embrace this new era. This work requires a relentless drive to solve complex challenges with real-world stakes. We are looking for builders and owners who operate with speed and urgency and execute with excellence. This is an opportunity to do career-defining work. We're all in on this mission. If you are too, let's talk. Principal Forward Deployed Engineer, Okta for AI Agents About Okta for AI Agents Okta secures access for 20,000 organizations and billions of users. Okta for AI Agents extends that work to the agentic shift. Deploying an AI agent is not like deploying traditional software. You are putting professional work output into production, and it needs deep integration, continuous tuning, and change management. Every agent needs an identity, a scope, an audit trail, and a way to be shut down when it goes wrong. Most enterprises have not built this yet. We are. We hire builders who see the cracks in enterprise agent identity that everyone else has learned to live with. The Role You embed inside four to five of Okta’s most strategic enterprise customers as their dedicated technical partner for agent identity. You sit alongside their identity, platform, and security engineering teams, develop sample and bespoke code, and own the technical outcome from prototype through production. You are a builder-consultant. You go past architecture diagrams to code, debug, and ship bespoke agent identity solutions inside the customer’s environment. You ship secure agents faster for the customer, and you feed real field insight back to Okta product engineering. Responsibilities Become the customer’s trusted technical voice on agent security. Sit in their standups, design reviews, and incident reviews. Earn a seat on their architecture review board and security council for agent risk d

Zscaler (NASDAQ: ZS) accelerates digital transformation so customers can be more agile, efficient, resilient, and secure. The Zscaler Zero Trust Exchange platform protects thousands of customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location. Distributed across 200+ public data centers globally and thousands of private sites at the edge, the SASE-based Zero Trust Exchange is the world’s largest in-line cloud security platform. We believe the future of work is Human + AI and are building an AI-native enterprise where human potential is amplified by machine intelligence to solve the world’s hardest security challenges. Driven by deep customer obsession, we are committed to the mission, outcome, and to each other. We bring these commitments to life through three core behaviors: ownership and collaboration, trust through outcomes and impact, and a challenge culture with ongoing feedback. Ready to make an impact at the company pioneering security transformation in the AI era? Join us at Zscaler. Role: We are looking for a Principal Product Manager to join our team. Reporting to the Director, Field Product Management your main focus of this position is to support growing and sustaining Zscaler core businesses revenues, with a special focus on ZIA and ZPA product lines. You will work closely with Product Management and Sales leadership to manage field engagements and provide assistance to Sales Engineers and Architects throughout the customer lifecycle. What you’ll do (Role Expectations) Partner with Product Management leadership to streamline field operations, ensuring Sales Engineers and Architects have the support needed to successfully execute Proof of Value stages Support ideation and execution of product strategy around Zscaler platform and core services (ZIA and ZPA) Work with support leadership to provide timely assistance to large customers in event of escalations and deployment of Zscaler services Report st

Who We Are At OKX, we believe that the future will be reshaped by crypto, and ultimately contribute to every individual's freedom. OKX is a leading crypto exchange, and the developer of OKX Wallet, giving millions access to crypto trading and decentralized crypto applications (dApps). OKX is also a trusted brand by hundreds of large institutions seeking access to crypto markets. We are safe and reliable, backed by our Proof of Reserves. Across our multiple offices globally, we are united by our core principles: We Before Me , Do the Right Thing , and Get Things Done . These shared values drive our culture, shape our processes, and foster a friendly, rewarding, and diverse environment for every OK-er. About the Opportunity We are looking for a Principal AI Engineer to lead the architecture and deployment of large-scale, LLM-powered conversational Chatbot systems serving both enterprise and consumer use cases. This is a hands-on technical role focused on building intelligent, autonomous chatbot systems operating in real-time crypto environments. You will define the technical vision and own end-to-end delivery of production-grade conversational AI platforms. What You’ll Be Doing Lead the design, development, and lifecycle management for conversational Chatbots products for enterprise and consumer use cases. Drive experimentation, simulations, and continuous learning pipelines for Chatbot performance optimization. Design multi-level intent routing, classifier training, and fallback strategies. Building dialogue quality evaluation systems. Drive automated bad-case discovery, A/B testing, and continuous iteration loops. Ensure system scalability, security, and regulatory compliance of AI-powered solutions in the crypto exchange domain. What We Look For In You PhD or Master's in Computer Science, AI, Machine Learning, or related field with at least 10 years of industry experience . Deep understanding

About Mach Industries Founded in 2023, Mach Industries is a rapidly growing defense technology company focused on developing next-generation autonomous defense platforms. At the core of our mission is the commitment to delivering scalable, decentralized defense systems that enhance the strategic capabilities of the United States and its allies. With a workforce of approximately 350 employees, we operate with startup agility and ambition. Our vision is to redefine the future of warfare through cutting-edge manufacturing, innovation at speed, and unwavering focus on national security. We are dedicated to solving the next generation of warfare with lethal systems that deter kinetic conflict and protect global security. The Role Mach Industries is seeking a Principal Forward Deployed Autonomous Systems Engineer (FDASE) to lead the fielding, operation, and continued development of autonomous defense platforms. This role sits at the intersection of engineering, flight operations, product development, and customer engagement. You will be responsible for ensuring that complex autonomous systems can be deployed, operated, maintained, and scaled successfully in demanding real-world environments. As a Principal FDASE, you will establish operating standards, determine operational readiness, advise leadership on deployment risk, and translate field experience into actionable product improvements. You will lead customer engagements for Flight Operations, own internal and external training programs, and help transition emerging prototypes into repeatable, supportable products. This is a hands-on technical leadership role. You will be expected to understand complete system architectures, diagnose complex multidisciplinary problems, and remain directly engaged with aircraft, ground systems, personnel, and field operations. You will also lead and develop other Forward Deployed Autonomous Systems Engineers, setting the technical and operational standard for the team. This is not prima

Strength in Trust OneTrust’s mission is to enable innovation through the responsible use of data and AI. We believe that ensuring data is trusted shouldn’t slow teams down—it should accelerate what’s possible. This led us to develop the first technology platform for responsible data use in 2016. Today, with AI representing the latest and most impactful expansion of data yet, OneTrust is once again redefining what responsible innovation looks like. OneTrust, the AI‑Ready Governance Platform™, unifies regulatory intelligence, automation, and connected governance workflows so businesses can continue to move at the speed of AI while ensuring good governance to prevent data misuse at scale. Trusted by thousands of organizations worldwide, OneTrust is shaping the future where trusted data becomes a transformative force for business and society. The Challenge We are looking for a Principal Solutions Engineer to lead the RFX practice within OneTrust’s Solutions Engineering Centre of Excellence. This is a high-impact role for someone who can improve how OneTrust approaches strategic RFIs, RFPs, security questionnaires, and proposal-driven evaluations across the business. You will partner closely with Account Executives, Solution Engineers, Product, Product Marketing, Infosec, and other subject-matter experts to turn complex customer requirements into differentiated, high-quality responses that help us win. This role is not about personally running every questionnaire that comes in. It is about owning the strategy for the most important opportunities while building the systems, content, operating rhythms, and AI-enabled workflows that help the wider field execute better at scale. At the same time, you will help raise the level of the broader Solutions Engineering organization by creating a stronger RFX function: one that is more strategic in deals, more efficient in execution, more consistent in quality, an

Our vision is to transform how the world uses information to enrich life for all . Micron Technology is a world leader in innovating memory and storage solutions that accelerate the transformation of information into intelligence, inspiring the world to learn, communicate and advance faster than ever. Summary Micron's Firmware & Product Test (FPT) team is hiring a Principal Test Development Engineer to lead front-end firmware validation for enterprise SSDs. In this role, you'll own verification strategy for NVMe front-end features, drive automation framework development, and serve as a technical authority for failure analysis and debug methodologies. You'll leverage AI-enabled tools and workflows to accelerate validation efficiency. You'll mentor engineers, define test coverage standards, and collaborate with firmware architects to influence testability decisions. The FPT team builds verification plans in Python, enforces NVMe and security protocol compliance, and executes white-box, grey-box, and black-box testing across simulation, FPGA, and prototype hardware environments. Responsibilities Lead design and execution of firmware verification strategies for NVMe front-end features (SMART, Trim, Get Log Page, OCP, Identify, Namespace Management) across multiple product lines. Own end-to-end test development lifecycle — from spec analysis and test planning through automation, execution, and coverage closure. Drive root-cause analysis for critical field and regression failures; establish systematic debug methodologies using coyote logs, protocol analyzers, and firmware traces. Architect and maintain scalable test automation frameworks that become organizational standards for firmware quality. Lead failure analysis efforts, correla

Secure Every Identity, from AI to Human Identity is the key to unlocking the potential of AI. Okta secures AI by building the trusted, neutral infrastructure that enables organizations to safely embrace this new era. This work requires a relentless drive to solve complex challenges with real-world stakes. We are looking for builders and owners who operate with speed and urgency and execute with excellence. This is an opportunity to do career-defining work. We're all in on this mission. If you are too, let's talk. Job Duties and Responsibilities: Own and deliver complex, cross-team quality initiatives end-to-end — from ambiguous problem definition through architecture, implementation, and production rollout with minimal oversight Lead technical design discussions and drive stakeholder alignment on test strategy, architecture, and quality standards across engineering, product, and design Generate original solutions to ambiguous or previously unsolved quality problems; use sound engineering judgment when there is no obvious answer Anticipate, communicate, and manage quality and release risk across team boundaries; make prioritization trade-offs in partnership with engineering leadership Champion CI/CD, observability, monitoring/alerting, and production-hygiene practices, and drive their adoption beyond your own team Guide new and existing engineers on execution of sub-tasks within larger quality initiatives; raise the bar on code review standards for reliability, performance, security, and maintainability Partner with Engineering, Product, Design, Support, and Field/CSM teams to identify recurring customer issues and drive systemic product and process improvements Respond to and help resolve critical production issues/customer escalations during on-call rotation, driving root-cause analysis Mentor engineers, contribute to hiring and interviewing, and help improve engineering culture across the team and adjacent teams Drive adoption of AI powered testing capabili