Network Engineer – SME

Job Title: Network Engineer – SMELocation: 4440 Rosewood drive, Pleasanton, CA - 94588  (Onsite)Visa – USC/GC/EADGC Job Summary: We are seeking a seasoned Network Engineer with 12+ years of experience to support Gap’s enterprise network infrastructure across campus and datacenter environments. This role requires deep expertise in designing, implementing, and operating large-scale LAN, WAN, and datacenter networks, along with modern enterprise wireless and SD-WAN solutions. The ideal candidate will have strong hands-on experience with campus switching, datacenter routing and switching, cloud-managed Wi-Fi platforms, and WAN technologies. Expertise in core network services such as DNS, DHCP/DDNS, and end-to-end network lifecycle management is essential. This role demands a highly skilled professional capable of driving network projects, ensuring high availability, and supporting mission-critical business operations. Key Responsibilities: •          Deploy, operate, and support large-scale campus and datacenter networks, ensuring high availability, scalability, and secure connectivity. •          Implement and support Juniper WAN solutions for secure and reliable site-to-site connectivity between Campus and Datacenter. •          Implement and support SD-WAN solutions for secure, scalable, and optimized site-to-site connectivity. •          Configure, maintain, and troubleshoot Cisco Catalyst and Meraki switching environments, including high-availability configurations (e.g., VSS, stacking, redundancy protocols). •          Deploy and manage Meraki and Mist wireless infrastructures, ensuring optimal coverage, security, and performance across enterprise campus environments. •          Administer, manage, and troubleshoot core network services including DHCP and DNS across on premises to ensure seamless network access for name resolution and IP address management. •          Conduct network assessments, project planning, and detailed documentation of physical, logical, and cloud network designs and topologies. •          Monitor network and respond to incidents, and perform root cause analysis across Campus WAN, LAN environments. •          Lead and manage network projects from planning through execution, including vendor coordination, cloud service integration, and change management. •          Demonstrate flexibility to work outside regular business hours, including evenings or weekends, to support planned network migrations, cloud deployments, maintenance windows, and critical business requirements. Required Qualifications •          12+ years of experience in enterprise network engineering with a strong focus on campus and datacenter environments. •          Deep expertise in: o          LAN/WAN technologies  o          Datacenter routing and switching o          SD-WAN environment o          Cloud-managed Wi-Fi platforms o          DNS, DHCP, and DDNS services  •          Strong hands-on experience with: o          Cisco Catalyst, Arista, and Meraki switching o          Enterprise wireless deployments (Mist, Meraki) o          Routing protocols (OSPF, BGP, EIGRP) [Juniper] o          Layer 2/Layer 3 networking, VLANs, STP •          Experience with WAN technologies such as MPLS, IPSec VPNs, and hybrid connectivity models. •          Familiarity with network monitoring and management tools (e.g., Meraki Dashboard, Mist Cloud, Cisco DNA Center). •          Proven ability to troubleshoot complex network issues in large-scale enterprise environments. •          Strong documentation, communication, and cross-functional collaboration skills. •          Ability to work independently and manage multiple priorities in a dynamic environment.