• L4 Network Engineer - INTL Poland

    Insight Global (Englewood, CO)
    …manage certificates, and implement AAA controls. They'll troubleshoot complex issues, provide Tier 3 support, and automate tasks using Python or Ansible. ... Job Description We are seeking a highly skilled and experienced Senior Network Engineer to join our Infrastructure & Operations team. This critical role is… more
    Insight Global (10/31/25)
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  • Network Engineer , Operations and Support

    Meta (Denver, CO)
    …providers, and third-party vendor partners 2. Escalation Management: Participate in the global team's Tier 3 and 4 on-call rotation with the goal of routing ... our team members and vendor field workforces. **Required Skills:** Network Engineer , Operations and Support Responsibilities: 1. Incident Response: Drive work… more
    Meta (10/30/25)
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  • SME (Subject Matter Expert) Network Plant…

    V2X (Colorado Springs, CO)
    …Requirement: + This position requires an active Department of Defense (DoD) Secret ( Tier 3 ) level clearance. Skills & Technology Used: + Proficient with ... battlefield. We bring 120 years of successful mission support to improve security , streamline logistics, and enhance readiness. Aligned around a shared purpose, our… more
    V2X (10/16/25)
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  • Theater Engineer

    Paragon Cyber Solutions (Colorado Springs, CO)
    …opening for those ready for an exciting and dynamic career as a Theater Engineer to join other smart, talented, and dedicated engineers that pride themselves in ... and US Air Force Space Command (AFSPC) missions. Clearance: Top Secret Security Clearance with SCI Eligibility Travel Required: Yes (up to 50%) Requirements… more
    Paragon Cyber Solutions (10/22/25)
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  • Principal Software Engineer

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …the product lifecycle. The ISR (Intelligence, Surveillance & Reconnaissance), Aviation, and Security (IAS) business area is a leader in ISR and aviation, it ... + Higher education may substitute for relevant experience + 3 or more years of relevant software architecture and...a software engineering team + Active Top Secret US Security Clearance w/ SCI eligibility is required **Qualifications We… more
    Sierra Nevada Company, LLC (08/08/25)
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  • Sr Project Engineer - Integrated Digital…

    Sierra Nevada Company, LLC (Lone Tree, CO)
    The ISR (Intelligence, Surveillance & Reconnaissance), Aviation, and Security (IAS) business area is a leader in ISR and aviation, it is a leading prime manned and ... accreditation of the integrated digital engineering platform at all security levels + Ensure seamless integration of various engineering...of the most innovative US companies in space, a Tier One Superior Supplier for the US Air Force,… more
    Sierra Nevada Company, LLC (10/28/25)
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  • Systems Engineer III

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …across our business area. The ISR (Intelligence, Surveillance & Reconnaissance), Aviation, and Security (IAS) business area is a leader in ISR and aviation, it is ... such as Python, Bash, or PowerShell + Understanding of security principles and protocols, including authentication, authorization, encryption, and...of the most innovative US companies in space, a Tier One Superior Supplier for the US Air Force,… more
    Sierra Nevada Company, LLC (09/18/25)
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  • Senior Access Network Engineer

    Comcast (Centennial, CO)
    …next-generation access network technologies. Additionally, the team is responsible for end-to-end Tier 4/5 support of DOCSIS iCMTS (CBR8, E6000), vCMTS (DAA), and ... + Experience and strong understanding of Network Engineering, Network Security , TCP/IP (TCP, UDP, DNS, SNMP, etc.), Routing Protocols...+ Master of Science in a related discipline + 3 years of relevant experience. + CCNA/CCNP experience is… more
    Comcast (10/29/25)
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  • Senior Network and Next Generation Firewall…

    Lumen (Denver, CO)
    …and implementations, to ensure corporate directions/strategies. + Candidate is considered a SME in 3 or more of the listed security requirements. + If not ... committed to teamwork, trust and transparency. People power progress. We're looking for top- tier talent and offer the flexibility you need to thrive and deliver… more
    Lumen (11/04/25)
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  • Director Information Security

    Lumen (Denver, CO)
    …complex networks. **The Main Responsibilities** We are seeking a Principal Information Security Engineer Director, Information Security to support high-value ... trust and transparency. People power progress. We're looking for top- tier talent and offer the flexibility you need to...**The Role** Location: Remote Reports to: VP, Black Lotus Security Group Clearance Required: Active TS/SCI with CI polygraph… more
    Lumen (09/03/25)
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