• Senior Network Engineer /Virtualization…

    KIHOMAC (Colorado Springs, CO)
    + Serve as a Network Engineer - Virtualization Specialist supporting network build out and deployments to the C2BMC Test + Use SDDC Manager to patch, upgrade and ... role + Experience in Internet Protocols (eg DNS, HTTP, SMTP, SSL), firewall configuration and troubleshooting required + Previous experience writing and presentation… more
    KIHOMAC (11/20/25)
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  • Senior Lead Infrastructure Engineer - DNS

    Lumen (Denver, CO)
    …digitally connect the world and shape the future. **The Role** The Network Engineer will be responsible for designing, implementing, and managing Domain Name System ... security. + Understand integration requirements for security initiatives, including firewall configurations, VPN implementations, and Web Application Firewalls. +… more
    Lumen (11/19/25)
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  • Network Operations Engineer

    Insight Global (Greenwood Village, CO)
    Job Description Our client is seeking a skilled Network Operations Engineer to sit hybrid on-site in Greenwood Village, CO. This person is going to manage and ... in routing protocols (OSPF, BGP). *Knowledge of VPN technologies and firewall management. *Comfortable working in fast-paced, self-managed environments with minimal… more
    Insight Global (11/18/25)
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  • Network Engineer - Mergers & Acquisitions…

    Iron Mountain (Denver, CO)
    …so, let's start the conversation. Iron Mountain is seeking a **dynamic Network Engineer (M&A Focus)** to join our **IT Infrastructure** team. In this critical role, ... network design principles, routing protocols (BGP, OSPF), and practical experience with firewall administration (eg, Palo Alto, Cisco ASA) and SD-WAN technologies. +… more
    Iron Mountain (11/14/25)
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  • Network Engineer (Levels 2, 3)

    CACI International (Denver, CO)
    Network Engineer (Levels 2, 3) Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular ... and Network Node Manager, Juniper Secure Analytics, Infoblox, Riverbed.) + Juniper firewall /VPN equipment (SRX series) + Supporting IP services to connect to… more
    CACI International (11/10/25)
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  • Cyber Security Engineer - Illumio SME

    NANA Regional Corporation (Peterson Air Force Base, CO)
    The Cyber Security Engineer Illumio SME - provides technical implementation, support, and training services for Illumio on NIPR and SIPR networks. Plans and ... Bachelor's Degree; 4+ years of hands-on experience in network engineering and firewall management and 4+ years of experience with cloud networking and virtualization… more
    NANA Regional Corporation (09/25/25)
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  • Senior Systems Engineer - (Onsite)

    RTX Corporation (Colorado Springs, CO)
    …demands of a rapidly evolving global market. We are seeking a Senior Systems Engineer to work onsite at Colorado Springs, CO. This position requires an active Secret ... + Experience with network traffic analysis, diagnostic and troubleshooting skills and firewall knowledge in Juniper, Fortinet, and Palo Alto. + Experience and… more
    RTX Corporation (09/05/25)
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  • Senior Network Engineer (Secret Clearance)

    Lockheed Martin (Colorado Springs, CO)
    …**Who You Are** You are a highly motivated and experienced network engineer with a strong background in network design, development, and testing\. You ... BGP and OSPF \- Network traffic analysis, diagnostic, and troubleshooting skills \- Firewall knowledge in Juniper, Fortinet, and Palo Alto \- Knowledge of UDP… more
    Lockheed Martin (09/04/25)
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  • Engineer 1, Excellence in Operations

    Comcast (Denver, CO)
    …including nights and weekends. **Core Responsibilities** + Hands-on IP router/switch/ firewall /SDWAN customer premises equipment + Design, configure and deploy LAN ... and WAN network connections, hardware, software and communication links and services. + Optimize the network and systems services and troubleshoot any network performance issues. + Responsible for the service provision and monitoring of the network… more
    Comcast (11/21/25)
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  • Senior Associate Systems Operations…

    NTT America, Inc. (Denver, CO)
    …concepts in relation to Operating systems: subnetting, basic routing and general firewall rule concepts. + Experience in administering enterprise storage systems and ... backup solutions. + Experience with cloud platforms (eg, AWS, Azure) + Windows Active Directory/DHCP/DNS/Group Policy + Experience in troubleshooting and problem-solving with the ability to analyze and resolve technical issues. + Ability to work independently… more
    NTT America, Inc. (11/20/25)
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