April 9, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.
June 8, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.
li>Strong hands-on knowledge of LAN/WAN protocols and technologies including Carrier Ethernet, T1, DS3, optical, DWDM, NTP, Spanning Tree, VLAN's, 802.1q, VFR, LFA, SMTP, SNMP v1-v3, OSPF, BGP, MPLS, VPLS, Ethernet, TCP/IP, SSL, SSH, SIP, H.323, QoS, Multicast, Anycast, 802.1x, Radius, NAC, DHCP, DNS, F5 Wide-IP, VRRP, HSRP, GLBP, PBR, VPC, LACP, SGT, SGACL, SXP, VxLAN, OTP, LISP, SPAN, WCCP, PfR, IPSLA, iWAN, VPN, IPSec, Wi-Fi 6, 6E, 7. Proven experience and success with planning, installing and managing networks including LAN, MAN, WAN, Optical Networking, DWDM, Wi-Fi, Silverpeak SDWAN or Riverbed WAN Optimizers, F5 Load Balancers, F5 GTM Global Traffic Manager, Cisco Catalyst Center, and security (firewalls, VPN, DMZ, IDS/IPS, WebProxy, content filter, FireEye, NAC and Cisco TrustSec) infrastructure.