• Own the reliability, performance, and scalability of Injective’s infrastructure across cloud and bare metal environments • Design, deploy, and operate production-grade Kubernetes clusters • Manage application delivery using Helm and ArgoCD (GitOps workflows) • Build and maintain infrastructure using Pulumi and Ansible • Deploy, operate, and optimize blockchain nodes and supporting services (validators, indexers, RPC, etc.) • Design systems for low latency and high throughput, especially for trading and market data workloads • Operate and scale streaming systems such as Kafka or Redpanda • Maintain and improve observability across the stack (metrics, logs, tracing), with tools like Prometheus, Grafana, and optionally Signoz • Troubleshoot complex infrastructure issues across Kubernetes, networking, and Linux systems • Collaborate closely with engineering teams to support product and protocol development • Identify bottlenecks and drive improvements across performance, reliability, and scalability • Participate in on-call rotations for mission-critical systems

• Lead reliability and operations for ClickHouse’s Postgres integration — upgrades, patching, maintenance, and scaling. • Design and implement automation for provisioning, deployments, and service lifecycle management across AWS, GCP, and Azure. • Develop infrastructure-as-code using Terraform and modern CI/CD tooling to ensure consistent, repeatable deployments. • Contribute Go-based tooling and services that improve automation, observability, and developer experience. • Own observability and monitoring, ensuring robust alerting, metrics, and tracing across environments. • Drive incident management and postmortem practices that strengthen reliability and learning loops. • Collaborate cross-functionally with platform, networking, and product teams to improve service operability. • Mentor and enable engineers, helping the team scale effectively as customer adoption grows.

• Lead reliability and operations for ClickHouse’s Postgres integration — upgrades, patching, maintenance, and scaling. • Design and implement automation for provisioning, deployments, and service lifecycle management across AWS, GCP, and Azure. • Develop infrastructure-as-code using Terraform and modern CI/CD tooling to ensure consistent, repeatable deployments. • Contribute Go-based tooling and services that improve automation, observability, and developer experience. • Own observability and monitoring, ensuring robust alerting, metrics, and tracing across environments. • Drive incident management and postmortem practices that strengthen reliability and learning loops. • Collaborate cross-functionally with platform, networking, and product teams to improve service operability. • Mentor and enable engineers, helping the team scale effectively as customer adoption grows.

Achieving our goals starts with supporting yours. Grow your career, access top-tier health and wellness benefits, build lasting connections with your team and our customers, and travel the world using our extensive route network. Come join us to create what’s next. Let’s define tomorrow, together. Description United's Digital Technology team is comprised of many talented individuals all working together with cutting-edge technology to build the best airline in the history of aviation. Our team designs, develops and maintains massively scaling technology solutions brought to life with innovative architectures, data analytics, and digital solutions. Job overview and responsibilities The Principal Architect – Infrastructure Cybersecurity supports efforts to mature infrastructure security capabilities for United Airlines. You will be part of a cross-disciplinary Cyber team responsible for full stack security architecture. In this role the Architect will work on the creation and maintenance of security relevant documentation and partner with product, platform, engineering, and operations teams to ensure the adoption of security best practices across the entire application or system lifecycle. The architect with help continuously improve our cyber controls and associated playbooks, workflows, processes, and procedures. - Conduct threat modeling, end-to-end security evaluation, design and development of infrastructure and cloud security policies, standards, and procedures - Demonstrate expert technology competence in two or more domains such as security, resiliency, infrastructure, platform, product, endpoint, application, identity management, and data security, and zero trust - Actively partner with stakeholders to understand business requirements and develop supporting security and resiliency principles to ensure adoption of industry and enterprise best practices - Develop and promote security and resiliency architecture strategies, frameworks and patterns while partnering closely with other cybersecurity teams and collaborating with partner organizations - Identify cybersecurity issues, strengths and weaknesses across various cyber domains and partner organizations that introduce risk and provide solutions - Assists in defining and implementing Security Standards/frameworks - Train and coach development and engineering teams to integrate CI/CD pipeline tools, test plans and vulnerabilities assessment tools for Cloud - Participate in and drive security advisory boards and committees, providing security architecture review and process ownership for new and existing solutions - Serve as a champion for secure infrastructure-as-code for end-to-end configuration and overall success of the IaaS, PaaS, and SaaS environments - Plan, design, build, and test approaches and solutions that are tied to business outcomes and our cybersecurity strategy and vision - Ensures program(s) is meeting intended purpose and metrics Qualifications What’s needed to succeed (Minimum Qualifications): - Bachelor's degree required - 5+ years of technical experience, with direct experience related to security and architecture - Expert level knowledge of network security principles and technologies including network architecture, intrusion detection/prevention and network segmentation - Expert level knowledge of network infrastructure components and technologies like routers, switches, firewalls, proxy servers, reverse proxies, load balancers, IDS/IPS, VPN, SDWAN, network taps, application centric networking, overlay networking concepts - Expert knowledge of information security techniques and tools like content filtering, application firewalls, vulnerability scanners, EDR, forensics software, incident response, SIEM, SOAR, NAC, etc - Expert knowledge in secure configuration practices for operating systems and infrastructure components - Expert knowledge of OS or compute infrastructure components and technologies like Unix/Linux, Windows, Docker, Kubernetes, VMWare, EC2, ECS, EKS, Lambda - Expert knowledge of endpoint security technologies such as endpoint detection and response and mobile device management - Expert knowledge of Data Loss Prevention (DLP) concepts and services - Expert knowledge of identity and access management services, techniques concepts - Expert knowledge of secure wireless protocols, techniques, and products - Expert knowledge of network protocols like TCP/IP, UDP, IPSEC, SSL/TLS, HTTP, etc - Expert knowledge of common enterprise services like DNS, DHCP, LDAP, SMB, CIFS, NTP, etc - Expert knowledge of security focused processes like architecture reviews, access reviews, vulnerability management, and audit - Proficient knowledge of cloud infrastructure services, concepts, and best practices - Proficient knowledge of secure connectivity methods via private or encrypted means - Proficient knowledge of cloud interconnectivity methods - Proficient knowledge of zero trust network architectures and principles - Proficiency with security assessments and remediation guidance - Proficient knowledge of compliance frameworks and processes (e.g., NIST 800-53, CIS Controls) - Proficient knowledge of security policy and standards development - Ability to manage business and external partners - Ability to work independently and self-motivate - Excellent problem solving, critical thinking, interpersonal, collaboration, written and verbal communication skills - Must be legally authorized to work in the United States for any employer without sponsorship - Successful completion of interview required to meet job qualification - Reliable, punctual attendance is an essential function of the position What will help you propel from the pack (Preferred Qualifications): - Master's degree - CCNP, CCDP, or alternate vendor equivalent - AWS Solution Architect Associate, Networking, and Security Specializations - Certifications like CISSP, ISSAP, ISSEP, ISSMP, CISM, CRISC, CEH, GIAC Family - 8+ years of technical experience, 5 years directly related to security and architecture The base pay range for this role is $140,600.00 to $183,108.00. The base salary range/hourly rate listed is dependent on job-related, factors such as experience, education, and skills. This position is also eligible for bonus and/or long-term incentive compensation awards. You may be eligible for the following competitive benefits: medical, dental, vision, life, accident & disability, parental leave, employee assistance program, commuter, paid holidays, paid time off, 401(k) and flight privileges. United Airlines is an Equal Opportunity Employer. We recruit, employ, train, compensate, and promote without regard to race, color, religion, national origin, gender identity, sexual orientation, disability, age, veteran status, or any other protected category under applicable law. We provide reasonable accommodations for applicants and employees with disabilities. To request an accommodation, contact JobAccommodations@united.com