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Senior Enterprise Network Engineer

confidential

Phoenix, AZ

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JOB DETAILS
JOB TYPE
Temporary, Contractor, Full-time
SKILLS
Accounts Payable, Amazon Web Services (AWS), Analysis Skills, BGP, Cisco ASA (Adaptive Security Appliance), Cisco Catalyst Switches, Cisco Network Systems, Cisco Nexus Switches, Citrix Product Family, Construction, Consulting, DHCP (Dynamic Host Configuration Protocol), DNS (Domain Name System), Database Administration, Documentation, F5 Network Software, Failover, Financial Control, Firewalls, HSRP (Hot Standby Router Protocol), Identify Issues, Load Balancing, MPLS (Multi-Protocol Label Switching), Mentoring, Microsoft Windows Azure, NAT (Network Address Translation), Network Administration/Management, Network Architecture/Engineering, Network Operations Center, Network Security, Network Support, On Call, Onboarding, Open Shortest Path First Protocol (OSPF), Packet Flows, Problem Solving Skills, Radio Frequency, Remodeling, SSL-TLS (Secure Socket Layer - Transport Layer Security), Subnet, Testing, VLAN (Virtual Local Area Network), VPN (Virtual Private Network), VRRP (Virtual Router Redundancy Protocol), Wireless Communications
LOCATION
Phoenix, AZ
POSTED
4 days ago

Senior Enterprise Network Engineer

Location: Phoenix, AZ - Onsite 
Contract to Hire

We are hiring a senior, well-rounded Enterprise Network Engineer with strong hands-on experience supporting both campus and data center environments. The ideal candidate will design, implement, and troubleshoot multi-building enterprise networks and work across networking, security, and systems teams while mentoring junior engineers.

Core Responsibilities
• Design, support, and troubleshoot enterprise networks across campus and data center
• Handle complex end-to-end network issues and own problems through resolution
• Support wired, wireless, firewall, DNS/DHCP, and load balancing infrastructure
• Participate in on-call rotation, production changes, peer reviews, and RCA
• Maintain network documentation, diagrams, and operational runbooks
• Collaborate with security, systems, DBA, telecom, and application teams
• Support building remodels, new construction, technology refreshes, and vendor integrations

Required Technical Skills
• Cisco Catalyst & Nexus switching (strong hands-on)
• OSPF & BGP troubleshooting (not just configuration)
• VLANs, STP, SVI, trunks, port-channels, DHCP relay, HSRP/VRRP failover
• Multi-building campus network support (MDF/IDF environments)
• MPLS segmentation, VRF, L3VPN concepts and troubleshooting
• Controller-based Wireless – Cisco/Aruba/Extreme (WLC/AP, RF basics, SSID/VLAN mapping, AP onboarding, client connectivity)
• Firewalls – Cisco ASA/Firepower or Palo Alto (NAT, ACLs, VPNs, packet flow analysis)
• Enterprise DNS/DHCP/IPAM – BlueCat preferred, Infoblox acceptable
• Load balancers – F5 or Citrix NetScaler (VIPs, pools, health checks, SSL termination)
• Packet capture analysis and cross-layer troubleshooting
• AWS or Azure networking fundamentals (VPC, VPN, subnets, peering, on-prem integration)

About the Company

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Company Confidential