Senior Network Engineer

Alvaria Inc

About The Position

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.

Requirements

6–9 years of hands-on experience in enterprise network deployment and troubleshooting.
Proficiency with Palo Alto Next-Generation Firewalls (NGFW), Cisco ASA, and/or Juniper; strong command of VLANs, subnetting, and IPsec VPN tunnels.
Datacenter experience
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

Nice To Haves

Global Protect and/or AnyConnect is a plus.
CCNA or CCNP (Enterprise/Security) preferred.
PCNSE (Palo Alto Networks Certified Network Security Engineer) is a significant plus.

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.