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Our culture is built on iteration, leveraging AI to ship faster today to make it better tomorrow, while ensuring that every improvement, no matter how small, is shared across the team to lift everyone up.</p>\n<p>If you&#39;re the type of person who values curiosity over bureaucracy, and that AI is a partner in solving tough problems to keep the Internet moving forward, you&#39;ll fit right in.</p>\n<p>Available Locations: Austin</p>\n<p>Summary</p>\n<p>The Zero Trust QA team is looking for a Systems Test Engineer to test and exercise our Zero Trust products similar to our customers&#39; devices and infrastructure. You will start from the customer&#39;s perspective using Cloudflare WARP and Cloudflare Tunnel, which are network and security-focused applications that enable secure communications between our customers&#39; devices and their private infrastructure.</p>\n<p>You will expand test coverage to additional Zero Trust products and services to close test gaps and increase coverage for full product validation.</p>\n<p>What you&#39;ll do</p>\n<p>As a Systems Test Engineer, you will own a variety of technical and product-focused responsibilities to ensure we deliver a high-quality security product.</p>\n<ul>\n<li>Collaborate closely with fellow test engineers, PMs and development teams to understand all features</li>\n</ul>\n<ul>\n<li>Define and execute in-depth product test strategies for new and existing features</li>\n</ul>\n<ul>\n<li>Assist teams to quickly reproduce customer issues, test fixes and update tests to close coverage gaps</li>\n</ul>\n<ul>\n<li>Discover edge cases across Zero Trust products and partner with teams to find and validate solutions</li>\n</ul>\n<ul>\n<li>Regularly set up, configure, test, debug, and troubleshoot network-related features</li>\n</ul>\n<ul>\n<li>Create, maintain, and execute a suite of critical manual tests</li>\n</ul>\n<ul>\n<li>Leverage the automation framework to efficiently exercise functionality for faster feedback</li>\n</ul>\n<ul>\n<li>Provide methods to identify and reduce repetitive manual test runs while maintaining a high level of quality</li>\n</ul>\n<ul>\n<li>Maintain a collection of physical devices and virtual environments for testing various scenarios</li>\n</ul>\n<ul>\n<li>Regularly report quality status to all stakeholders on key features</li>\n</ul>\n<p>What you&#39;ll bring</p>\n<p>We expect you to have a background in QA and hands-on experience with mobile and desktop device networking configurations across Windows, Linux, and macOS platforms. 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We&#39;re a highly ambitious, large-scale technology company with a soul. Fundamental to our mission to help build a better Internet is protecting the free and open Internet.</p>\n<p>Project Galileo: Since 2014, we&#39;ve equipped more than 2,400 journalism and civil society organizations in 111 countries with powerful tools to defend themselves against attacks that would otherwise censor their work, technology already used by Cloudflare’s enterprise customers--at no cost.</p>\n<p>Athenian Project: In 2017, we created the Athenian Project to ensure that state and local governments have the highest level of protection and reliability for free, so that their constituents have access to election information and voter registration. Since the project, we&#39;ve provided services to more than 425 local government election websites in 33 states.</p>\n<p>1.1.1.1: We released 1.1.1.1 to help fix the foundation of the Internet by building a faster, more secure and privacy-centric public DNS resolver. This is available publicly for everyone to use - it is the first consumer-focused service Cloudflare has ever released.</p>\n<p>Here’s the deal - we don’t store client IP addresses never, ever. We will continue to abide by our privacy commitment and ensure that no user data is sold to advertisers or used to target consumers.</p>\n<p>Sound like something you’d like to be a part of? We’d love to hear from you!</p>\n<p>This position may require access to information protected under U.S. export control laws, including the U.S. Export Administration Regulations. Please note that any offer of employment may be conditioned on your authorization to receive software or technology controlled under these U.S. export laws without sponsorship for an export license.</p>\n<p>Cloudflare is proud to be an equal opportunity employer. We are committed to providing equal employment opportunity for all people and place great value in both diversity and inclusiveness. All qualified applicants will be considered for employment without regard to their, or any other person&#39;s, perceived or actual race, color, religion, sex, gender, gender identity, gender expression, sexual orientation, national origin, ancestry, citizenship, age, physical or mental disability, medical condition, family care status, or any other basis protected by law. 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If the role is non-exempt, overtime pay will be provided consistent with applicable laws. In addition to the salary range listed above, total compensation also includes generous equity, performance-related bonus(es) for eligible employees, and the following benefits.</p>\n<ul>\n<li>Medical, dental, and vision insurance for you and your family, with employer contributions to Health Savings Accounts</li>\n</ul>\n<ul>\n<li>Pre-tax accounts for Health FSA, Dependent Care FSA, and commuter expenses (parking and transit)</li>\n</ul>\n<ul>\n<li>401(k) retirement plan with employer match</li>\n</ul>\n<ul>\n<li>Paid parental leave (up to 24 weeks for birth parents and 20 weeks for non-birthing parents), plus paid medical and caregiver leave (up to 8 weeks)</li>\n</ul>\n<ul>\n<li>Paid time off: flexible PTO for exempt employees and up to 15 days annually for non-exempt employees</li>\n</ul>\n<ul>\n<li>13+ paid company holidays, and multiple paid coordinated company office closures throughout the year for focus and recharge, plus paid sick or safe time (1 hour per 30 hours worked, or more, as required by applicable state or local law)</li>\n</ul>\n<ul>\n<li>Mental health and wellness support</li>\n</ul>\n<ul>\n<li>Employer-paid basic life and disability coverage</li>\n</ul>\n<ul>\n<li>Annual learning and development stipend to fuel your professional growth</li>\n</ul>\n<ul>\n<li>Daily meals in our offices, and meal delivery credits as eligible</li>\n</ul>\n<ul>\n<li>Relocation support for eligible employees</li>\n</ul>\n<ul>\n<li>Additional taxable fringe benefits, such as charitable donation matching and wellness stipends, may also be provided.</li>\n</ul>\n<p><strong>About the Team</strong></p>\n<p>OpenAI is building the infrastructure foundation for the next generation of AI. The Data Center Engineering team defines the strategy, reference architectures, technical requirements, and delivery standards for the large-scale data centers that support OpenAI research, products, and infrastructure partners.</p>\n<p><strong>About the Role</strong></p>\n<p>We are seeking a mid to senior OT Network Engineer with a strong controls systems background to lead the design and operation of resilient, secure, and scalable OT network architectures for high-density AI data centers. This role translates compute, power, cooling, and operational requirements into practical OT network designs, evaluates vendor solutions, and drives technical decisions across controls infrastructure, telemetry, commissioning, and operations.</p>\n<p><strong>Key Responsibilities</strong></p>\n<ul>\n<li>Define controls, automation, and OT network requirements for AI data center campuses.</li>\n</ul>\n<ul>\n<li>Develop reference architectures, engineering standards, and reusable design templates.</li>\n</ul>\n<ul>\n<li>Review and develop basis-of-design and functional design documents, including OT network diagrams, IP/VLAN schemes, telemetry architectures, data flow diagrams, and commissioning requirements.</li>\n</ul>\n<ul>\n<li>Design OT and infrastructure network architectures, including physical topology, logical topology, IP addressing, subnetting, VLANs, routing, switching, redundancy, segmentation, firewall policy coordination, out-of-band management, monitoring, and remote access patterns.</li>\n</ul>\n<ul>\n<li>Develop day-two network operations requirements, including change management, configuration backups, golden configurations, monitoring thresholds, firmware lifecycle, rollback plans, and post-change validation.</li>\n</ul>\n<ul>\n<li>Partner with electrical, mechanical, IT/networking, security, and operations teams to ensure OT network systems align with GPU deployments, campus-wide telemetry, and failure-domain isolation requirements.</li>\n</ul>\n<ul>\n<li>Define integration patterns and protocol requirements across BACnet/IP, BACnet MSTP, Modbus TCP/RTU, OPC UA, IEC-61850 MMS/GOOSE, MQTT, SNMP, syslog, NTP/PTP, IRIG-B, and vendor-specific interfaces.</li>\n</ul>\n<ul>\n<li>Lead technical evaluation of controls integrators, network equipment suppliers, design consultants, contractors, and commissioning agents</li>\n</ul>\n<ul>\n<li>Review network equipment submittals, configurations, firmware assumptions, certifications, test reports, and 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