Sr. Staff Network Engineer

About Zscaler Zscaler is a pioneer and global leader in zero trust security. The world s largest businesses, critical infrastructure organizations, and government agencies rely on Zscaler to secure users, branches, applications, data & devices, and to accelerate digital transformation initiatives. Distributed across more than 160 data centers globally, the Zscaler Zero Trust Exchange platform combined with advanced AI combats billions of cyber threats and policy violations every day and unlocks productivity gains for modern enterprises by reducing costs and complexity. Here, impact in your role matters more than title and trust is built on results. We believe in transparency and value constructive, honest debate—we re focused on getting to the best ideas, faster. We build high-performing teams that can make an impact quickly and with high quality. To do this, we are building a culture of execution centered on customer obsession, collaboration, ownership and accountability.  We champion an “AI Forward, People First” philosophy to help us accelerate and innovate, empowering our people to embrace their potential. If you re driven by purpose, thrive on solving complex challenges and want to make a positive difference on a global scale, we invite you to bring your talents to Zscaler to help shape the future of cybersecurity.Role We are looking for a Sr. Network and Infrastructure Engineer to join our Cloud Ops - Network Engineering department in a fully remote capacity in the Netherlands, reporting to the Manager, Network Engineering. This position involves a mix of infrastructure, project management, and network engineering responsibilities. You will drive the design, implementation, and operation of complex network architectures, leading large-scale data center builds and expansions from start to finish with a strong sense of urgency. What you ll do (Role Expectations) Plan, implement, document, and manage data center cabinet layouts and power density to ensure maximum efficiency and reliability Oversee server capacity deployments, integrating infrastructure with automation to support global scalability and optimized resource utilization Collaborate with project management and engineering development teams to align on service requirements and hardware integration Work across functional teams to ensure the seamless synchronization of hardware, software, and network resources Provide expert technical guidance and troubleshooting support for complex data center infrastructure-related issues Who You Are (Success Profile) You thrive in ambiguity. You re comfortable building the path as you walk it and see dynamic environments as the raw material to build something meaningful. You act like an owner. Your passion for the mission fuels your bias for action and you navigate seamlessly between high-level strategy and hands-on execution. You are a problem-solver. You seek out challenges because you are energized by finding solutions, knowing that solving the hard problems delivers the biggest impact. You are a high-trust collaborator. You are ambitious for the team, not just yourself, embracing a challenge culture where candor is delivered with clarity and respect. You operate with urgency. You have a relentless focus on execution and a bias for action, delivering high-impact results quickly to win for the customer and the team. What We re Looking for (Minimum Qualifications) Professional experience in remote data center operations, including device configuration and debugging fiber and patching issues 2-5 years of experience working with high-speed networks ranging from 10G to 100G and beyond Hands-on experience in BGP routing operations and troubleshooting for both IPv4 and IPv6 in large-scale environments Proven organizational skills with experience managing complex priorities within problem ticketing and inventory systems Bachelor s Degree in Engineering or equivalent professional experience What Will Make You Stand Out (Preferred Q