SASE Network Engineer

Experience: 10+ Years

Remote

1 Yrs.

Role Overview

We are looking for a highly skilled Senior SASE Network Validation Engineer to lead interoperability and coexistence testing between Microsoft Global Secure Access (GSA) and leading SASE/SSE platforms including Netskope, Zscaler, Palo Alto Prisma Access, Cisco Secure Access, Check Point Harmony, Cloudflare One, and other enterprise security solutions.

This role requires deep expertise in enterprise networking, cloud networking, identity, security, and hands-on experience with at least one commercial SASE platform. The engineer will validate complex traffic flows, security policies, authentication mechanisms, application access scenarios, and coexistence behavior across multiple operating systems.

The ideal candidate should be comfortable troubleshooting network protocols at packet level, configuring cloud environments, and working closely with product engineering teams.

Key Responsibilities

Design and execute coexistence testing between Microsoft Global Secure Access (GSA) and third-party SASE/SSE vendors.

Execute and maintain 100+ functional, networking, security, and interoperability test cases across multiple SASE products.

Validate coexistence scenarios across

o

Windows 10

o

Windows 11

o

macOS (Client & Apple Silicon)

Configure and troubleshoot SASE clients, VPN clients, Secure Web Gateway (SWG), ZTNA, CASB, Firewall-as-a-Service (FWaaS), and DNS security policies.

Perform packet capture analysis using Wireshark and other network diagnostic tools.

Validate traffic steering, split tunneling, proxy chaining, certificate handling, authentication flows, DNS resolution, and application access.

Configure Azure networking components for testing environments.

Analyze network traffic to identify routing, proxy, TLS, authentication, or policy enforcement issues.

Work with engineering teams to reproduce, isolate, and document product defects.

Prepare detailed test reports, defect documentation, root cause analysis, and validation reports.

Collaborate with Microsoft and ISV engineering teams during issue investigation.

Required Technical Skills

Enterprise Networking

TCP/IP

Routing and Switching

DNS

DHCP

HTTP/HTTPS

TLS/SSL

VPN (IPSec/SSL)

NAT

Proxy technologies

PKI and Certificates

Authentication protocols

Network troubleshooting

Cloud Skills

Microsoft Azure

Azure Virtual Networks

Network Security Groups

Azure Firewall

Azure VPN Gateway

Azure Load Balancer

Azure Application Gateway

Azure Virtual Machines

Azure Monitor

Azure Networking concepts

Identity & Authentication

Microsoft Entra ID (Azure AD)

SAML

OAuth 2.0

OpenID Connect

Kerberos

NTLM

Conditional Access

Multi-Factor Authentication (MFA)

SASE / SSE Experience

Hands-on experience with at least one of the following:

Netskope

Zscaler Internet Access (ZIA)

Zscaler Private Access (ZPA)

Palo Alto Prisma Access

Cisco Secure Access

Check Point Harmony SASE

Cloudflare

Skyhigh Security

iBoss

Tools

Wireshark

Microsoft Network Monitor

Postman

PowerShell

Azure Portal

Azure CLI

Microsoft Graph API (preferred)

Git

Azure DevOps