Senior Systems Administrator, IT Operations

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century’s most innovative companies to the defense industry, Anduril is changing how military systems are designed, built and sold. Anduril’s family of systems is powered by Lattice OS, an AI-powered operating system that turns thousands of data streams into a realtime, 3D command and control center. As the world enters an era of strategic competition, Anduril is committed to bringing cutting-edge autonomy, AI, computer vision, sensor fusion, and networking technology to the military in months, not years. About the Team Our team is dedicated to supporting the secure and seamless operation of enterprise technology across identity, endpoint management, infrastructure, classified, and user support services. We work in close collaboration with our Security, Infrastructure, and Engineering teams to ensure our employees have reliable access to the systems and tools they need, all while maintaining strict compliance and security requirements within a regulated environment. We're responsible for a broad mix of activities, including identity lifecycle management, endpoint support, operational troubleshooting, onboarding processes, and maintaining critical enterprise platforms. Team members gain valuable exposure to cutting-edge cloud technologies, infrastructure tooling, advanced security practices, and foster cross-functional collaboration in a dynamic, fast-paced environment. This role offers an exceptional opportunity to build deep experience across enterprise IT and security operations, directly contributing to initiatives that enhance reliability, scalability, and user experience for the entire organization. About the Role We are seeking a proactive and skilled IT/Infrastructure professional to play a pivotal role in supporting our enterprise systems and day-to-day operations across identity, endpoint, and security-related platforms. You'll be instrumental in assisting with Okta administration, troubleshooting SSO/MFA issues, managing endpoints, streamlining onboarding processes, providing operational support, and collaborating closely with our Security and Infrastructure teams. You'll work alongside experienced engineers and key stakeholders, contributing to the maintenance of secure, reliable services while gaining significant exposure to cloud infrastructure, automation, critical compliance requirements, and a wide array of enterprise technologies. This role is ideally suited for someone who thrives on problem-solving, enjoys learning new systems, and is eager to work across a variety of technical domains. What You Will Do Perform Okta administration and support identity lifecycle management. Troubleshoot SSO/MFA issues and provide comprehensive user support. Coordinate effectively with security and infrastructure teams on critical initiatives. Participate in follow-the-sun operational support to ensure continuous service availability. Provide managed local IT support and deliver white-glove assistance to users. Manage IT asset lifecycles, including local stock and device management. Support secure onboarding processes for employees and contractors. Contribute to documentation and ensure process adherence in regulated environments. Required Qualifications : Ability to obtain and maintain a UK security clearance to minimum SC level. Bachelor’s degree in a STEM field or equivalent practical engineering experience. 5+ years of relevant engineering, infrastructure, or technical program execution experience. Willingness to travel domestically and internationally as required (typically around 10%). Technical Expertise: Demonstrable technical depth in one or more of the following domains: DevSecOps, software engineering, infrastructure engineering, or cloud infrastructure. Hands-on experience with: Infrastructure as Code: Ter