Sr. Staff Platform Engineer

About ZscalerZscaler accelerates digital transformation to ensure our customers can be more agile, efficient, resilient, and secure. As an AI-forward enterprise, we are constantly pushing the envelope, leveraging the world’s largest security data lake to power our cloud-native Zero Trust Exchange platform. This innovation protects our customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location.Here, impact in your role matters more than title and trust is built on results. We say, impact over activity. We seek innovators who actively use AI to amplify their impact and who thrive in an environment where we leverage intelligent systems to stay ahead of evolving threats. 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 value high-impact, high-accountability with a sense of urgency where you’re enabled to do your best work and embrace your potential. If you’re driven by purpose, thrive on solving complex challenges, and want to be part of the team that’s helping to secure the AI age, we invite you to bring your talents to Zscaler and help shape the future of cybersecurity.RoleWe are looking for a Sr. Staff Platform Engineer to join our team in Bellevue, WA (3 days in office), reporting to the Sr. Director, Software Development Engineering in the Zero Trust Exchange department. In this role, you will design scalable, high-performance backend services and APIs while mentoring junior engineers and ensuring system reliability within a highly available engineering platform.What You’ll Do (Role Expectations)Designing and implementing scalable, high-performance backend services and APIsEnsuring code quality by writing and maintaining unit, integration, and performance tests; monitor, debug, and optimize system performanceMentoring junior engineers, fostering their growth, and upholding best practices through active participation in code reviewsCollaborating with cross-functional teams to deliver integrated solutions and contribute to Agile/Scrum processes like sprint planning and retrospectivesParticipating in on-call rotation to support a highly available engineering platform and ensure compliance with federal guidelinesWho You Are (Success Profile)You thrive in ambiguity, are comfortable building the path as you walk it, and see ambiguity not as a hindrance but as the raw material to build something meaningful.You act like an owner, operate with integrity, adapt to what’s needed, and navigate seamlessly between high-level strategy and hands-on execution.You are a problem-solver who seeks out challenges and is energized by finding solutions, knowing that solving the hard problems delivers the biggest impact.You are customer-obsessed, build deep empathy for internal and external customers, and anchor your decisions in solving their real-world problems.You operate with urgency, have a relentless focus on execution and a bias for action, and deliver high-impact results quickly to win for the customer and the team.What We’re Looking For (Minimum Qualifications)8+ years of experience with proficiency coding in a modern Object-Oriented languageExpertise in designing, analyzing, and resolving issues in large-scale distributed systemsDemonstrated exceptional problem-solving skills and attention to detail for designing robust solutionsHands-on experience with Docker, Kubernetes, and one or more major cloud platforms (AWS, GCP, or Azure)Bachelor's degree in Computer Science or a related field (or equivalent professional experience), coupled with strong adaptability and the ability to work independently in a fast-paced Agile environmentWhat Will Make You Stand Out (Preferred Qualifications)Demonstrate excellent leadership, communication, and cross-team collaboration skills, with the ability to navigate ambiguity, make high-impact technical decisions, and drive initiatives with minimal oversightProficiency with one or more AI code-assistance tools (e.g., Windsurf, Cursor, Claude) to accelerate development, refactoring, unit test creation, and troubleshootingExposure to DevOps automation workflows and CI/CD pipelinesZscaler’s salary ranges are benchmarked and are determined by role and level. The range displayed on each job posting reflects the minimum and maximum target for new hire salaries for the position across all US locations and could be higher or lower based on a multitude of factors, including job-related skills, experience, and relevant education or training.The base salary range listed for this full-time position excludes commission/ bonus/ equity (if applicable) + benefits.Base Pay Range$154,000—$220,000 USDAt 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.BenefitsOur 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 plansTime off plans for vacation and sick timeParental leave optionsRetirement optionsEducation reimbursementIn-office perks, and more!Learn more about Zscaler’s Future of Work strategy, 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 TransparencyZscaler 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.