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Zscaler Platform Engineer Jobs in OFallon,MO,US
Job
W3global
O'Fallon, MO (In Person)
Full-Time
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Job Description
Overview The Zscaler Platform Engineer designs, integrates, and operates Zscaler's cloud security services as core components of the enterprise platform. The role ensures ZIA, ZPA, and ZDX are fully embedded into identity, network, cloud, and endpoint management systems, enabling scalable and secure Zero Trust connectivity. Key Responsibilities
- Integrate Zscaler services (ZIA, ZPA, ZDX, ZCC) into enterprise identity, device, cloud, and security platforms.
- Design scalable architectures for App Connectors, Branch Connectors, and Service Edges.
- Automate Zscaler configuration, policy workflows, and onboarding processes.
- Build reusable modules and patterns enabling self-service secure connectivity.
- Maintain, optimize, and monitor performance, traffic flow, authentication, and security events.
- Troubleshoot distributed issues across networking, DNS, SSL inspection, and identity layers.
- Enforce enterprise security policies and support Zero Trust initiatives.
- Develop documentation such as SOPs, architecture diagrams, and configuration standards.
- Collaborate with Network, Security, Cloud, and Platform Engineering teams.
- Mentor engineering teams on Zscaler platform capabilities. Required Skills & Experience
- Hands-on expertise with ZIA, ZPA, ZDX, ZCC, App Connectors, and Branch Connectors.
- Strong networking fundamentals: TCP/IP, DNS, HTTP/S, routing, VPN, NAT, IPSec.
- Experience integrating Zscaler with Azure AD, Conditional Access, and SAML.
- Familiarity with AWS, Azure, and GCP architectures.
- Experience with
SIEM, SSL
inspection, proxy chaining, and security analytics.- Automation experience with PowerShell, Python, or Bash.
- Platform engineering mindset focused on scalability, automation, and self-service. Qualifications
- Bachelor's degree in Cybersecurity, IT, Engineering, or equivalent experience.
- 3-8 years of network or security engineering experience.
- 2+ years hands-on experience with Zscaler deployments.