Overview
Skills
Job Details
Hiring: Staff Systems Engineer Azure | Zscaler | Aruba | IaC
Location: McKinney, TX (Onsite)
Citizenship: U.S. Citizens
Type: Contract (C2C / W2 / 1099).
We re hiring a Staff Systems Engineer to join a high-impact enterprise infrastructure team supporting a major technology-driven organization in McKinney, TX. This role is ideal for someone who thrives in hybrid cloud environments and has strong hands-on experience with Azure Networking, Infrastructure as Code, Zscaler, Aruba Orchestrator, and preferably Palo Alto.
You ll be working onsite full-time initially, with potential for hybrid flexibility later.
Key Responsibilities
Implement and manage Azure VNets, NSGs, ExpressRoute, and VPN Gateways.
Automate infrastructure provisioning using Terraform and Azure DevOps CI/CD pipelines.
Deploy, monitor, and maintain Zscaler ZIA/ZPA policies, segmentation, and secure access workflows.
Maintain and optimize Aruba EdgeConnect SD-WAN, Aruba Central, wireless LANs, and campus switching.
Administer Palo Alto firewall rules, VPN configurations, and threat prevention policies (preferred).
Troubleshoot and optimize network performance using Network Watcher, Traffic Analytics, and custom tools.
Configure ClearPass for network access control, guest management, and endpoint policy enforcement.
Develop monitoring scripts, performance dashboards, and support tools for proactive infrastructure management.
Act as a mentor to junior engineers and lead cross-team infrastructure initiatives.
Required Skills & Experience
6+ years in Systems, Network, Security, or Infrastructure Engineering
Strong hands-on experience with:
Azure Networking (VNets, NSGs, ExpressRoute)
Infrastructure as Code (Terraform)
CI/CD tools (Azure DevOps)
Zscaler ZIA/ZPA (Client Connector, DLP, SSL Inspection, segmentation)
Aruba Silver Peak Orchestrator, Aruba Central, and SD-WAN
Familiarity with Palo Alto Firewalls, GlobalProtect, and Zero Trust architecture (preferred)
Strong scripting (PowerShell, Bash, Python) and troubleshooting skills
Experience with performance monitoring, post-mortem analysis, and automation-driven support
Nice to Have
Google Cloud Platform or AWS cloud experience
Experience designing secure network architectures and disaster recovery plans
Exposure to object-oriented programming (Java preferred)