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Network Engineer

Alvaria

Phoenix, AZ

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JOB DETAILS
SKILLS
Access Control, Analysis Skills, BGP Routing Protocol, CCNA - Cisco Certified Network Associate, CCNP - Cisco Certified Network Professional, Change Control, Cisco ASA (Adaptive Security Appliance), Cisco Network Systems, Cisco Routers, Cisco Switches, Communication Skills, Computer Firmware, Documentation, Enterprise Protection, Firewall Administration, Firewalls, IPsec (IP Security), Identify Issues, Internet Security, Internet Service Providers, Juniper Networks Product Family, Local Area Network (LAN), Metrics, Network Access Control (NAC), Network Administration/Management, Network Architecture/Engineering, Network Configuration Management, Network Connectivity, Network Monitoring, Network Performance/Analysis, Network Routing, Network Security, Network Switching, On Call, Open Shortest Path First Protocol (OSPF), Open Systems Interconnection (OSI), Operational Support, Performance Tuning/Optimization, Power Outages, Problem Solving Skills, Return Merchandise Authorization (RMA), Subnetting, Systems Maintenance, VLAN (Virtual Local Area Network), VPN (Virtual Private Network), Wide Area Network (WAN)
LOCATION
Phoenix, AZ
POSTED
Today

GENERAL SCOPE & SUMMARY

The Network Engineer is responsible for the configuration, optimization, and maintenance of our organization's enterprise network infrastructure. This role focuses on ensuring secure, reliable connectivity across local (LAN) and wide area networks (WAN) while acting as a bridge between support and architecture teams.

Key Responsibilities

  • Firewall Administration: Configure, manage, and troubleshoot Palo Alto and Cisco ASA firewalls to maintain secure access and traffic control policies.
  • Network Infrastructure: Install, configure, and maintain Cisco routers and switches (Catalyst/Nexus) to ensure seamless network operations.
  • Routing & Switching: Implement and monitor routing protocols including BGP and OSPF for efficient traffic routing and stable connectivity.
  • On-Call & Support: Participate in a weekly on-call rotation to provide after-hours emergency support and resolve critical network incidents.
  • Troubleshooting: Isolate and resolve complex network connectivity and performance issues (latency, packet loss) across OSI Layers 1-4.
  • Documentation: Maintain accurate network diagrams, configuration records, and change control logs to support operational consistency.
  • Upgrades & Maintenances: Perform routine system maintenance, firmware updates, and scheduled hardware refreshes with minimal disruption.
  • Vendor Coordination: Working directly with ISPs and hardware vendors to resolve circuit outages or manage RMAs (Return Merchandise Authorizations).
  • Security Posture: Implementing network segmentation and access control policies (like Cisco ISE) to align with cybersecurity standards.
  • Performance Optimization: Monitoring network health metrics to proactively identify and remediate bottlenecks before they impact end-users.

Required/Preferred Qualifications

  • Experience: 3-5 years of hands-on experience in enterprise network deployment and troubleshooting.
  • Technical Skills: Proficiency with Palo Alto Next-Generation Firewalls (NGFW), Cisco ASA, and/or Juniper; strong command of VLANs, subnetting, and IPsec VPN tunnels.
  • Certifications: CCNA or CCNP (Enterprise/Security) preferred. PCNSE (Palo Alto Networks Certified Network Security Engineer) is a significant plus.
  • Soft Skills: Excellent analytical problem-solving skills and the ability to communicate technical concepts to team members & non-technical stakeholders.

About the Company

A

Alvaria

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