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EU remote

Sr. Staff Network Engineer

ZscalerAmsterdam, NLDPosted 2 Aug 2026

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About this role

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 Sr. Staff Network Engineer to join our team. This is a role based in the Netherlands, reporting to the Manager, Network Engineering in the Cloud Ops - Network Engineering department. This position involves a mix of infrastructure, project management, and network engineering responsibilities.

You will join our global team as an integral member, taking ownership of the deployment, monitoring, and ongoing operation of our worldwide production infrastructure across diverse data center locations. We are seeking a high-trust collaborator with a background in large-scale enterprise or telecom networks who approaches challenges with a growth mindset and a commitment to achieving engineering excellence. This role requires active participation in our technical on-call rotations, which include support during weekends and holidays to ensure continuous service reliability.

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, including participating in weekend and holiday on-call rotations Who You Are (Success Profile) You thrive in ambiguity.

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You're comfortable building the path as you walk it. You thrive in a dynamic environment, seeing ambiguity not as a hindrance, but as the raw material to build something meaningful. You act like an owner. Your passion for the mission fuels your bias for action. You operate with integrity because you genuinely care about the outcome. True ownership involves leveraging dynamic range: the ability to navigate seamlessly between high-level strategy and hands-on execution.

You are a problem-solver. You love running towards the challenges because you are laser-focused on finding the solution, 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. You embrace our challenge culture by giving and receiving ongoing feedback—knowing that candor delivered with clarity and respect is the truest form of teamwork and the fastest way to earn trust.

You are a learner. You have a true growth mindset and are obsessed with your own development, actively seeking feedback to become a better partner and a stronger teammate. You love what you do and you do it with purpose. What We’re Looking for (Minimum Qualifications) Demonstrate a proven ability to leverage AI technologies and workflows to drive measurable operational efficiency. Minimum 8 years of hands-on experience with high-speed networks (10G to 100G+), expert-level BGP routing and troubleshooting for IPv4/IPv6 in large-scale environments, and strong remote data center operations experience including device configuration, fiber debugging, and patching issue resolution.

In-depth understanding of core networking concepts, including TCP/IP stack performance, with practical experience in IP packet analysis using Wireshark or similar tools; foundational knowledge of AI/ML technologies and experience applying, securing, or positioning AI-driven solutions within the functional domain. Proven ability to manage complex priorities across ticketing and inventory systems, strong written and spoken English skills, and either relevant organizational experience or a Bachelor’s Degree in Computer Science Engineering; additional language skills are a plus.

What Will Make You Stand Out (Preferred Qualifications) Experience designing and optimizing high-performance, low-latency network infrastructure for AI training workloads, HPC environments, and GPU cluster interconnectivity. Strong Linux/Unix background with scripting/programming skills in shell, Python, or Perl, plus deep expertise in DNS, HTTPS, GRE, and IPsec, including automation of large-scale end-to-end deployments.

Relevant advanced networking certifications such as CCIE Enterprise Infrastructure/Service Provider, JNCIP-ENT, JNCIP-SP, or similar are a plus. #LI-REMOTE #LI-LJ1 Zscaler’s salary ranges are benchmarked and determined by role and level. The range displayed on this job posting reflects the minimum and maximum target for new hire base salaries for this position across all Netherlands locations. Individual pay placement within this range is determined based on objective, gender-neutral criteria including job-related skills, relevant experience, and education or training.

The base salary range listed for this full-time position excludes commission/bonus/equity (if applicable) and benefits. Base Pay Range €91.000 — €130.000 EUR At Zscaler, we are committed to building a team that reflects the communities we serve and the customers we work with. We foster an inclusive environment that values all backgrounds and perspectives, emphasizing collaboration and belonging. Join us in our mission to make doing business seamless and secure.

Our Benefits program is one of the most important ways we support our employees. Zscaler proudly offers comprehensive and inclusive benefits to meet the diverse needs of our employees and their families throughout their life stages, including: Various health plans Time off plans for vacation and sick time Parental leave options Retirement options Education reimbursement In-office perks, and more! Learn more about Zscaler's hybrid working model and benefits here .

By applying for this role, you adhere to applicable laws, regulations, and Zscaler policies, including those related to security and privacy standards and guidelines. Zscaler is committed to providing equal employment opportunities to all individuals. We strive to create a workplace where employees are treated with respect and have the chance to succeed. All qualified applicants will be considered for employment without regard to race, color, religion, sex (including pregnancy or related medical conditions), age, national origin, sexual orientation, gender identity or expression, genetic information, disability status, protected veteran status, or any other characteristic protected by federal, state, or local laws.

See more information by clicking on the Know Your Rights: Workplace Discrimination is Illegal link. Pay Transparency Zscaler complies with all applicable federal, state, and local pay transparency rules. Zscaler is committed to providing reasonable support (called accommodations or adjustments) in our recruiting processes for candidates who are differently abled, have long term conditions, mental health conditions or sincerely held religious beliefs, or who are neurodivergent or require pregnancy-related support.

Source listing: greenhouse_zscaler

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