Senior Network Engineer

Senior Network Engineer

ALVARIA 90000.00

To 110000.00 (USD) Annually United States, Arizona, Phoenix 2325 East Camelback Road (Show on map) May 06, 2026 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