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
• Coordinate smart-hands dispatches for remote physical work at branch sites
• 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
• Manage RMA processes with manufacturers including return logistics coordination
• 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 hybrid cloud connectivity for an ongoing Azure migration, including VPN Gateway, ExpressRoute, VNet peering, NSGs, Azure Firewall, and Private Endpoints
• 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

 

Qualifications

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
• Experience coordinating with external vendor and partner organizations on technical issues
• Ability to operate autonomously on hardware procurement, vendor management, and troubleshooting decisions
• Ability to communicate technical findings clearly to non-technical stakeholders