Senior Network Infrastructure Engineer
MetroSys
Position Overview
MetroSys is seeking a Senior Network Infrastructure Engineer based in the Greater Phoenix area to support a complex enterprise network environment. This position is hands-on and onsite, with responsibility for network operations, security, troubleshooting, infrastructure improvements, and project delivery.
The ideal candidate has strong experience with Cisco networking, Palo Alto firewalls, VMware NSX, SD-WAN, and enterprise data center networking and is comfortable supporting highly available and regulated environments.
Key Responsibilities
- Support and maintain enterprise LAN, WAN, data center, wireless, VPN, and SD-WAN environments.
- Configure and troubleshoot Cisco routers and switches and Palo Alto Networks firewalls.
- Administer firewall policies, NAT, VPN connectivity, network segmentation, and security controls.
- Support VMware NSX and software-defined networking environments.
- Troubleshoot complex routing, switching, connectivity, firewall, and performance issues.
- Support multi-site WAN connectivity, branch offices, third-party connections, and carrier services.
- Participate in infrastructure upgrades, network refreshes, disaster recovery testing, and change activities.
- Monitor network availability, security, and performance and recommend improvements.
- Maintain network diagrams, configurations, operational documentation, and standards.
- Collaborate with local Phoenix-based infrastructure teams as well as cloud, security, systems, and application teams.
- Participate in after-hours maintenance and on-call activities as needed.
Required Qualifications
- Must currently reside in the Greater Phoenix, AZ metropolitan area.
- 5+ years of enterprise network engineering experience.
- Strong hands-on experience with:
- Cisco routing and switching
- Palo Alto Networks firewalls
- VMware NSX
- Enterprise WAN and SD-WAN
- Strong knowledge of BGP, OSPF, VLANs, VPNs, NAT, and high-availability networking.
- Experience with Palo Alto Panorama.
- Experience supporting enterprise data center environments.
- Strong troubleshooting and communication skills.
- Ability to work onsite in the Phoenix area on a regular basis.
Preferred Qualifications
- Experience supporting financial services or other regulated environments.
- Azure or AWS networking experience.
- Familiarity with Python, PowerShell, Ansible, or network automation.
- Cisco CCNP, Palo Alto, VMware, or similar certifications.
Vacancy posted 4 days ago
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