• Network Support - L3

    HTC Global Services Inc (Brooklyn, NY)
    …+ Lead and manage bridge calls during P1/P2 network incidents. + Network Design & Architecture Support + Contribute to High-Level and Low-Level Designs ... migrations, segmentation, or firewall architecture. + Review and validate network designs for scalability, security, and adherence to standards....years in networking, with at least 3-4 years in L3 -level support or senior escalation roles. +… more
    HTC Global Services Inc (11/29/25)
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  • Network Support Lead - L3

    HTC Global Services Inc (Brooklyn, NY)
    Network Support Lead ( L3 ) We are seeking an experienced Network Support Lead ( L3 ) to provide advanced technical leadership and serve as the final ... escalation point for complex network issues. This role involves troubleshooting, architecture support...Experience: 10-12 years in networking, with 3-4 years in L3 -level support or senior escalation roles. +… more
    HTC Global Services Inc (12/04/25)
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  • Sr Telecom Support - L3

    HTC Global Services Inc (Brooklyn, NY)
    …+ Experience: 10-12+ years in telecom operations, voice engineering, or unified communications support , with at least 3-4 years in L3 or senior escalation ... + Advanced Telecom Operations & Escalations + Act as the final L3 escalation point for all telecom-related incidents including SIP failures, PRI issues,… more
    HTC Global Services Inc (11/29/25)
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  • Server Admin Lead - L3 ( Onsite )

    HTC Global Services Inc (Brooklyn, NY)
    …in infrastructure support /engineering, with at least 3-4 years in an L3 or equivalent senior technical role. + Certifications (preferred): + Microsoft Certified: ... Role Summary: The L3 Infrastructure Engineer will serve as a senior...across infrastructure services. The engineer will collaborate with architecture, network , and storage teams to drive continuous improvement and… more
    HTC Global Services Inc (12/04/25)
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  • Telecom Support Lead - L3

    HTC Global Services Inc (Brooklyn, NY)
    Telecom Support Lead - L3 We are...escalations, and ensure optimal performance of enterprise voice and network infrastructure. This is an onsite role ... looking for a highly experienced Telecom Support Lead ( L3 ) to manage advanced telecom...of telecom billing, usage analysis, and cost management. + Network fundamentals related to voice (VLANs, QoS, DSCP, NAT… more
    HTC Global Services Inc (12/04/25)
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  • Cleared Information Systems Security Engineer…

    Virtual Service Operations (Lorton, VA)
    Cleared Information Systems Security Engineer (ISSE) L3 * Lorton, VA (http://maps.google.com/maps?q=Lorton+VA+USA) Description Are you looking to take the next steps ... of experts in Cybersecurity, Cloud, and Systems Engineering. This team will support the development and sustainment of secure enclaves, providing enterprise services… more
    Virtual Service Operations (10/04/25)
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  • L3 DC Tech - B Side Night

    TEKsystems (Mount Pleasant, WI)
    …defective parts, and update firmware. + Configure IP addresses and credentials. + Support network admins with hardware issues, cabling, optics replacement, and ... systems, troubleshooting issues, performing server installations, and ensuring continuous network availability. The ideal candidate will have a strong understanding… more
    TEKsystems (12/02/25)
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  • Data Center - L3 B Side Day

    TEKsystems (Mount Pleasant, WI)
    …troubleshooting issues, performing server installations, and ensuring uninterrupted access to network services. The ideal candidate for this role should possess a ... strong understanding of network infrastructure and data center operations. Familiarity with server...troubleshooting and replacing faulty components. * Provide advanced troubleshooting support and resolution of tickets. * Serve as the… more
    TEKsystems (12/02/25)
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  • Senior Cyber-Security Systems Engineer…

    RTX Corporation (Annapolis, MD)
    …will provide post-fielding support , resolving operational issues involving L2 and L3 , in a multi-routing network infrastructure **What YOU will learn:** + ... MD 2551 Riva Road , Annapolis, MD, 21401-7435 USA **Position Role Type:** Onsite **U.S. Citizen, US Person, or Immigration Status Requirements:** US citizenship is… more
    RTX Corporation (12/02/25)
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  • Senior Engineer - DevOps / Infrastructure…

    RTX Corporation (Sterling, VA)
    …22640 Davis Dr , Sterling, VA, 20164-7104 USA **Position Role Type:** Onsite **U.S. Citizen, US Person, or Immigration Status Requirements:** Active and transferable ... Secret - Current **Senior Engineer - DevOps / Infrastructure** **( Onsite )** This position requires an active US security clearance....our Sterling, VA site.** **What you will do:** + Support and develop automation solutions that enable our teams… more
    RTX Corporation (10/09/25)
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