• Operations Technician III - Pub SEC

    Lumen (Denver, CO)
    …more years applicable work experience Preferred Cisco CCIP, CCDP, CCNP certifications, Juniper or ALU data networking equivalent + Strong working knowledge and ... (ie Nortel, Cisco, Ciena, Lucent and Tellabs) and Data platforms (Cisco, Juniper , Adtran) + Previous experience with Gov't networks and customers. + Demonstrated… more
    Lumen (07/30/25)
    - Related Jobs
  • Network Engineer III

    Insight Global (Englewood, CO)
    …connectivity issues. This role offers broad exposure to diverse technologies, including Cisco, Juniper , Arista, F5, and A10, as well as hands-on experience with core ... & Switching, VLANs, DNS, DHCP, Firewalls, Multicast) Familiarity with Cisco, Juniper , or Arista for configuration and management of enterprise-grade routing and… more
    Insight Global (07/27/25)
    - Related Jobs
  • Principal Cyber Systems Engineer - Network…

    Northrop Grumman (Colorado Springs, CO)
    …+ **VLANs** + **UDP Multicast** + Must know firewall configuration, such as ** Juniper ** , **Cisco** , and **Palo Alto** + Requires knowledge and experience in ... + Must have hands-on experience with multi-vendor switching and routing ( ** Juniper , Cisco** ) + Experienced in implementing standard DOD security procedures such… more
    Northrop Grumman (07/26/25)
    - Related Jobs
  • Sr. Communication Systems Design Engineer, Secret

    Lockheed Martin (Littleton, CO)
    …DoD Secret clearance * Certifications such as CCNA, CCNP, CCIE, CISSP, Juniper , or Arista * Experience with Software\-Defined Networking \(Cisco DNA Center, ACI, ... packet capture analysis * Experience with ServiceNow, Cisco Viptela SD\-WAN, Arista BCF, Juniper SRX, Infoblox, and CA Spectrum * Knowledge of firewall and VPN… more
    Lockheed Martin (07/26/25)
    - Related Jobs
  • Principal Engineer Network - Network Engineer III…

    Northrop Grumman (Colorado Springs, CO)
    …traffic analysis, diagnostics, and troubleshooting + Must have firewall expertise with ** Juniper ** , **Fortinet** , and **Palo Alto** + Must be familiar with: ... **TCP/IP network designs** + Must understand multi-vendor switching and routing ( ** Juniper , Cisco** ), WAN optimizer, **TACLANEs** , and optical transport equipment… more
    Northrop Grumman (07/26/25)
    - Related Jobs
  • Senior Network Engineer (Secret Clearance)

    Lockheed Martin (Colorado Springs, CO)
    …Network traffic analysis, diagnostic, and troubleshooting skills \- Firewall knowledge in Juniper , Fortinet, and Palo Alto \- Knowledge of UDP multicast, SONET, ... and TCP/IP network designs \- Knowledge of multi\-vendor switching routing \( Juniper , Cisco\), WAN optimizer, TACLANEs, and optical transport equipment \- Excellent… more
    Lockheed Martin (07/12/25)
    - Related Jobs
  • Principal Network Engineer (*TS/SCI & Poly…

    Northrop Grumman (Aurora, CO)
    …inventory. * Coordinate network operations, maintenance, repairs, or upgrades. (Knowledge of CISCO/ Juniper RMA process). * Layer 1 and Layer 2 network experience ... valid driver's license and an acceptable driving record. + Knowledge of Cisco IOS, Juniper JUNOS, Brocade and Foundry OS. + Familiarity with Layer 3 protocols such… more
    Northrop Grumman (07/10/25)
    - Related Jobs
  • Principal/Sr. Principal Network Engineer

    Northrop Grumman (Aurora, CO)
    …Routing, Firewalls, Cabling, and Hardware configuration/installation with CISCO and/or Juniper equipment **Preferred Qualifications:** + At least 6 years of ... Routing, Firewalls, Cabling, and Hardware configuration/installation with CISCO and/or Juniper equipment demonstrating a strong proficiency + Experience working with… more
    Northrop Grumman (06/10/25)
    - Related Jobs
  • Field Technician III

    Xcel Energy (Denver, CO)
    …network experience in peripheral technologies such as NOKIA, Cisco, Ciena, Infinera, Juniper , and layer 1 equipment involving T1's, DS3's, OC-level circuits. + ... Experience with documenting changes via a work-ticket related system. + Experience in a utility or other regulated industry. As a leading combination electricity and natural gas energy company, Xcel Energy offers a comprehensive portfolio of energy-related… more
    Xcel Energy (08/08/25)
    - Related Jobs
  • Senior Lead Information Security Engineer (Mtips)

    Lumen (Denver, CO)
    …Cisco security platforms (Firepower, AnyConnect, ASA) and network hardware (Cisco, Juniper , Arista). * Familiar with integrated network, data center, virtualization, ... and cloud architectures. * US Citizenship required; must be eligible for government security clearance. Preferred Qualifications * Experience with federal MTIPS or TIC programs. * Background in SOC infrastructure engineering and deployment. * Familiarity with… more
    Lumen (08/08/25)
    - Related Jobs