Enterprise Network Engineer – Cisco, Palo Alto & Aruba

Project overview

Job Summary

Job Summary: Network Engineer Position Summary The Network Engineer is responsible for the design, implementation, support, security, and lifecycle management of enterprise network infrastructure. This role provides operational support, executes infrastructure projects, manages network changes through ServiceNow, and tracks engineering work through Azure DevOps (ADO). The ideal candidate will have hands-on experience with Cisco, Palo Alto, Juniper, Aruba, and ClearPass technologies in a multi-site enterprise environment. ____

Key Responsibilities

Key Responsibilities Network Operations & Support

Skill Requirements

Required Qualifications

Other Requirements

Preferred Qualifications

• Monitor, maintain, and troubleshoot enterprise network infrastructure.
• Support LAN, WAN, WLAN, VPN, and internet connectivity services.
• Diagnose and resolve complex network performance and connectivity issues.
• Perform root cause analysis and implement corrective actions.
• Participate in on-call support and maintenance activities.
• Maintain accurate network documentation, standards, and diagrams. Network Engineering
• Design, configure, deploy, and support network solutions using Cisco, Juniper, and Aruba technologies.
• Implement network upgrades, refreshes, migrations, and expansion projects.
• Configure and maintain routing and switching environments.
• Support wireless network deployments and optimization activities.
• Develop implementation plans, testing procedures, and rollback strategies. Firewall & Security Management
• Administer and support Palo Alto firewalls and associated security platforms.
• Manage firewall rule requests, modifications, reviews, and decommissioning activities.
• Configure and troubleshoot security policies, NAT, VPN tunnels, and security zones.
• Ensure network segmentation and access controls align with cybersecurity standards.
• Conduct periodic firewall rule audits and policy reviews.
• Support vulnerability remediation and security incident response efforts.
• Implement role-based and policy-driven access controls.
• Troubleshoot user authentication and access issues across enterprise environments. ServiceNow Change & Incident Management
• Manage incidents, service requests, problems, and changes using ServiceNow.
• Create and document change requests, risk assessments, implementation plans, and validation results.
• Execute approved network changes during maintenance windows.
• Participate in Change Advisory Board (CAB) reviews.
• Ensure compliance with change management procedures and audit requirements. Azure DevOps (ADO) Workflow Management
• Utilize Azure DevOps Boards to manage engineering tasks, project work, and technical backlog items.
• Update work item status and maintain project documentation.
• Participate in sprint planning, backlog grooming, and project reviews.
• Track project milestones, deliverables, and infrastructure lifecycle activities.
• Maintain technical documentation and implementation records
• Bachelor\'s degree in Information Technology, Engineering, Computer Science, or equivalent experience.
• 5+ years of enterprise network engineering experience.
• Hands-on experience with: o Cisco Routing and Switching o Palo Alto Firewalls o Juniper Networking Technologies o Aruba Wireless Solutions o Aruba ClearPass
• Strong knowledge of: o VLANs o OSPF o BGP o STP o DHCP o DNS o VPN Technologies o Network Security Principles o 802.1X Authentication
• Experience using ServiceNow for incident, problem, and change management.
• Experience using Azure DevOps (ADO) for project tracking and workflow management.
• Strong troubleshooting, documentation, and communication skills. Preferred Qualifications
• Cisco CCNP Enterprise
• Palo Alto PCNSE
• Aruba Certified Mobility Professional (ACMP)
• Aruba ClearPass Certification
• Juniper JNCIS or JNCIP
• ITIL Foundation Certification
• Experience supporting industrial, manufacturing, or operational technology (OT)

Project details

• Start: flexible
• Location: TX - Texas, US
• Languages: English