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Senior Network Engineer

Alvaria

Phoenix, AZ

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JOB DETAILS
SKILLS
Analysis Skills, Architectural Services, BGP, CCNA - Cisco Certified Network Associate, CCNP - Cisco Certified Network Professional, Change Control, Cisco ASA (Adaptive Security Appliance), Cisco Network Systems, Communication Skills, Computer Firmware, Documentation, EIGRP (Enhanced IGRP), Enterprise Protection, Firewalls, Hybrid Cloud, IPsec (IP Security), Identify Issues, Internet Security, Internet Service Providers, Juniper Networks Product Family, Leadership, Mentoring, Metrics, Network Access Control (NAC), Network Administration/Management, Network Architecture/Engineering, Network Configuration Management, Network Connectivity, Network Monitoring, Network Operations Center, Network Performance/Analysis, Network Routing, Network Security, Network Support, Network Switching, On Call, Open Shortest Path First Protocol (OSPF), Open Systems Interconnection (OSI), Operating Systems, Operational Support, People Management, Performance Tuning/Optimization, Personal Area Network (PAN), Power Outages, Problem Solving Skills, Process Improvement, Return Merchandise Authorization (RMA), Routing Protocols, Spanning Tree Protocols, Subnetting, Systems Maintenance, Technical Leadership, VLAN (Virtual Local Area Network), VPN (Virtual Private Network), VoIP (Voice over IP), Wireshark (Ethereal)
LOCATION
Phoenix, AZ
POSTED
1 day ago

GENERAL SCOPE & SUMMARY

We are seeking a seasoned Senior Network Engineer to join our infrastructure team. This role is critical for maintaining the stability, security, and performance of our global enterprise network. You will serve as a technical lead, driving architectural improvements, assisting with daily requests, and ensuring our perimeter defenses are robust.

Key Responsibilities

  • Expertise in Firewalls: Minimum 5+ years of hands-on experience managing and troubleshooting Palo Alto Networks (PAN-OS) or Cisco ASA firewalls. Experience with Site-to-Site VPNs is essential. Global Protect and/or AnyConnect is a plus.
  • Core Networking: Deep proficiency in routing and switching protocols (BGP, OSPF, EIGRP, Spanning Tree) within Cisco or Juniper environments.
  • Advanced Troubleshooting: Ability to perform complex packet analysis using Wireshark to resolve intermittent connectivity issues.
  • On-Call Rotation: This position requires participation in a weekly on-call rotation (one week every 4-6 weeks) to provide 24/7 support for mission-critical network outages.
  • 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.
  • Project Leadership: Leading small-scale deployment projects, such as setting up new datacenter sites or integrating hybrid cloud environments.
  • Mentorship: Providing guidance to junior engineers and technicians to assist in their professional development.

Required/Preferred Qualifications

  • Experience: 6-9 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. Datacenter experience
  • 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.
  • Experience with VoIP and collaboration technologies.
  • A solid understanding of application protocols
  • Ability to work in a fast-paced environment
  • Ability to work outside normal business hours when needed

About the Company

A

Alvaria

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