Senior Network Engineer

About Zscaler

Serving thousands of enterprise customers around the world including 40% of Fortune 500 companies, Zscaler (NASDAQ: ZS) was founded in 2007 with a mission to make the cloud a safe place to do business and a more enjoyable experience for enterprise users. As the operator of the world’s largest security cloud, Zscaler accelerates digital transformation so enterprises can be more agile, efficient, resilient, and secure. The pioneering, AI-powered Zscaler Zero Trust Exchange™ platform protects thousands of enterprise customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location. 

Named a Best Workplace in Technology by Fortune and others, Zscaler fosters an inclusive and supportive culture that is home to some of the brightest minds in the industry. If you thrive in an environment that is fast-paced and collaborative, and you are passionate about building and innovating for the greater good, come make your next move with Zscaler. 

The Senior Network Engineer will be responsible for designing, implementing and maintaining IT Network infrastructure to ensure it operates efficiently, securely, and reliably. The ideal candidate will possess a strong background in infrastructure, networking, and security technologies with a strong attention to detail. Collaborate closely with IT Security, Business Applications, HelpDesk and Cloud teams to ensure seamless integration of network infrastructure, security measures, cloud resources and end-user support, aligning technology solutions with organizational objectives. You will be reporting to Manager, IT Network Operations. You will be responsible for:

• Design, lead and execute IT projects, such as new office network builds, network upgrades, migrations ensuring the seamless integration of network infrastructure. Set up and maintain corporate LAN/Wi-Fi infrastructure, adhering to best practices for performance and security.
• Proactively monitor network performance, identify bottlenecks, and implement improvements to achieve optimal network efficiency and reliability.
• Prioritize and diligently address tickets assigned to the IT Network queue, striving to resolve them within established Service Level Agreements(SLAs) to ensure timely and effective support.
• Manage and maintain the Aruba Wi-Fi infrastructure across all corporate office networks.
• Deploy and Manage Zscaler security products; Branch connectors, App Connectors and other security components.
• Administer DNS Infrastructure, including the creation and management of DNS records and zones.
• Generate and manage Digital certificates for external applications.
• Provide technical expertise and assistance to the helpdesk team in diagnosing and resolving end-user Wi-Fi connectivity and LAN issues, ensuring uninterrupted network access and optimal performance for all users.
• Collaborate on projects related to Zero Trust Architecture, actively contributing to network security enhancements and access control strategies in alignment with company objectives.
• Maintain up-to-date records of project documentation and configuration changes while ensuring strict adherence to the change management process, promoting transparency and compliance across all initiatives.
• Occasional ability to travel (10%)

• 7+ years in Infrastructure, Network Engineering/Operations and experience in creating security policies and implementing network segmentation to enhance security and control access
• Deep knowledge of network protocols, topologies, and architectures, with a focus on LAN/Wi-Fi infrastructure and proficiency in configuring and troubleshooting network devices, including routers, switches, and security appliances.
• Strong Routing & Switching configuration experience (Arista/Juniper/Cisco); with hand-on experience configuring OSPF and BGP routing protocols.
• Experience in creating internal and external DNS records and managing DNS zones, renew and managing certificates for public domains

• Experience with Linux operating systems and the functions they perform.
• Zscaler ZIA/ZPA certification and CCNP/JNCIP certified is a plus
• Network automation experience is a plus with familiarity in tools like Python or Ansible to streamline network task.

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At Zscaler, we believe that diversity drives innovation, productivity, and success. We are looking for individuals from all backgrounds and identities to join our team and contribute to our mission to make doing business seamless and secure. We are guided by these principles as we create a representative and impactful team, and a culture where everyone belongs. For more information on our commitments to Diversity, Equity, Inclusion, and Belonging, visit the Corporate Responsibility page of our website.

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!

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 proud to be an equal opportunity and affirmative action employer. We celebrate diversity and are committed to creating an inclusive environment for all of our employees. All qualified applicants will receive consideration 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 characteristics 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. For additional information about the federal requirements, click here.

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.