Designated Support Engineer III

• 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. You adapt to what’s needed, navigating 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. 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 customer-obsessed. You build deep empathy for the customer—both internal and external—and anchor your decisions in solving their real-world problems. You champion their needs from start to finish, knowing their success is our success.
• You operate with urgency. You understand that in a high-growth environment, speed and quality are not mutually exclusive. 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.

• 5+ years of support and networking experience, including general firewalls and packet filtering troubleshooting
• Strong understanding of common network and application protocols and behaviors to facilitate in troubleshooting unexpected behaviors
• Experience in GRE and IPSec configuration and troubleshooting, alongside an understanding of PAC files and their use cases
• Proficient in network troubleshooting using Wireshark, trace route, MTR, and similar tools to identify fault isolation, packet loss, and session resets
• Deep experience in Authentication (SAML, Kerberos), Application Layer understanding, HTTP methods, and tools like Fiddler, IPv4, IPv6, routing, and DNS

What Will Make You Stand Out (Preferred Qualifications)

• Prior knowledge of Forward Proxy and cloud environments like AWS and Azure
• Direct experience working in Firewall and VPN/Zero Trust environments
• Experience working across various operating systems including Linux, Windows, and MAC

#LI-Hybrid

#LI-HG1

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 Illegallink.

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.