Sr Network Engineer

Position Summary

Vallen's IT Infrastructure team is seeking a Senior Network Engineer to own day-to-day network operations across a distributed national branch and distribution center footprint. This role operates with significant autonomy on hardware selection, vendor engagement, and technical troubleshooting, escalating architectural decisions to the Infrastructure Manager. A key near-term focus will be supporting connectivity requirements for an Azure cloud migration, working alongside architecture and systems teams to ensure network readiness throughout the transition.

Essential Job Duties and Responsibilities

• Branch Network Lifecycle Management
• Deploy and manage Meraki MX appliances across a national branch footprint, including configuration, troubleshooting, and lifecycle management
• Coordinate new circuit installations and turn-ups with ISPs and managed service partners
• Manage site surveys, cabling, and network buildouts for new branch locations
• Conduct or coordinate on-site wireless network troubleshooting at customer and partner facilities
• B2B VPN and Partner Connectivity
• Own B2B VPN tunnel infrastructure including NAT rules, IP object groups, and partner-facing connectivity
• Manage VPN tunnel migrations with carrier and managed service partners
• Coordinate with external security and network teams at partner organizations to resolve cross-organizational connectivity issues
• Manage DHCP reservations, DNS administration, and SNAT rules supporting partner connectivity
• ISP and WAN Circuit Management
• Serve as primary point of contact for ISP service tickets and outage resolution across DIA and FTTP circuits
• Track circuit provisioning through managed service partner status meetings and ticketing systems
• Manage packet loss investigations and escalations with ISP providers
• Vendor and Procurement Coordination
• Serve as primary contact for hardware vendors; manage PO creation, shipping logistics, and hardware procurement
• Evaluate and select hardware replacements when standard procurement channels are impractical
• Approve vendor quotes and drive procurement decisions independently within scope
• Cloud and Enterprise Connectivity Design and Support
• Ensure network readiness for lift-and-shift workloads moving to Azure, coordinating with architecture and systems teams on connectivity requirements and cutover planning
• Manage certificate lifecycles, DNS, DHCP, and network monitoring infrastructure
• Provide escalation support for site-level and cloud connectivity issues, including QoS analysis, Teams/UC traffic optimization, and ISP coordination
• Project and Cross-Functional Support
• Provide network infrastructure support for customer implementation projects including new site buildouts and storeroom deployments
• Participate in implementation calls as the infrastructure representative
• Coordinate with external network partners on firewall policy management, SSL VPN operations, and security fabric health
• Maintain network documentation, standards, and change management procedures
• Mentor junior network staff and serve as technical escalation point within the team

Job Qualifications

• Required:
• 5-8 years of hands-on enterprise network engineering experience
• Demonstrated Cisco Meraki MX deployment and management experience across a multi-site environment; Meraki preferred
• Experience owning B2B VPN tunnel infrastructure including NAT, SNAT, and IP object group management
• ISP circuit lifecycle experience: procurement, turn-up coordination, outage escalation, DIA and FTTP
• Strong working knowledge of routing and switching fundamentals: BGP, OSPF, VLANs, STP, and QoS
• Hands-on Azure networking experience: VNet/subnet design, hybrid connectivity, NSGs, Azure Firewall, and DNS
• Ability to operate autonomously on hardware procurement, vendor management, and troubleshooting decisions
• Ability to communicate technical findings clearly to non-technical stakeholders
• Preferred:
• Experience with Cradlepoint 5G routers and SIM management
• Familiarity with Fortinet security platforms (FortiGate, FortiAnalyzer, FortiClient EMS)
• Experience supporting cloud migration projects from a network connectivity standpoint
• Cisco Meraki CMNA (Meraki Network Associate)
• Cisco Meraki NSE 4 or higher certification
• Azure Fundamentals (AZ-900) or Azure Network Engineer Associate (AZ-700)
• Experience producing network reporting for non-technical stakeholders