• Technical Investigations Manager

    Securitas Security Services USA, Inc. (Abilene, TX)
    …of hands-on experience with Bastille, Armis, Microsoft Defender for IoT, and/or Cisco Cyber Vision. + **5+ years** conducting technical investigations, TSCM sweeps, ... security instruments: multimeters, oscilloscopes, spectrum analyzers, time-delay reflectometers, and network analyzers. + Strong understanding of wired and wireless… more
    Securitas Security Services USA, Inc. (12/30/25)
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  • Part Time Technical Security Instructor

    Cengage Group (Houston, TX)
    …and experience installing, maintaining and troubleshooting many common information technology systems , including Microsoft, Cisco and Linux technologies + ... 4+ years of technical Information Technology and Information Security experience (eg Network Engineer, Security Engineer, etc.) + 1+ years of Adult Education… more
    Cengage Group (11/14/25)
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  • 11 - Senior Technical Lead, IT Infrastructure

    Celestica (Richardson, TX)
    …Experience** + Experience: 12+ years in IT with deep relevant experience in Networking with Cisco , Dell, Broadcom, Aruba and on operating systems such as IOS and ... feature and functional testing, deployment architecture of complex infrastructure solutions ( Network and security appliances, Servers and storage, Hybrid Cloud, Edge… more
    Celestica (01/16/26)
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  • Senior Firewall Engineer

    Celestica (Richardson, TX)
    …Act as a technical mentor for Junior/Mid-level SOC and Network Engineers. **Knowledge/Skills/Competencies** + Firewall Mastery, Advanced administration of Checkpoint ... required. **Typical Experience** + 7+ years of dedicated experience in Network Security Engineering. **Typical Education** + Education: Bachelor's degree in IT,… more
    Celestica (01/16/26)
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  • Infrastructure Group Manager - Senior Vice…

    Citigroup (Irving, TX)
    …of SAN/SDS Block Storage technologies (eg, Dell, NetApp, Pure Storage, IBM + Operating Systems (Linux and Windows) + Fibre Channel ( Cisco and Brocade) + IP ... focus on Block Storage. This position oversees large-scale Storage Area Network (SAN) as well as Software-Defined Block Storage infrastructure worldwide, focusing… more
    Citigroup (01/09/26)
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  • Senior Specialized Sales- CCaaS and CCS

    Lumen (Austin, TX)
    …the C-suite. + Migration: Lead the transition of existing voice communication systems to new platforms, addressing integration challenges, data security, network ... combination of cloud computing services, managed hosting, UC&C services, transport/ network services, managed security, business voice services, cloud solutions,… more
    Lumen (01/07/26)
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  • L2 Data Center Technician

    NTT DATA North America (Dallas, TX)
    …racking, stacking, and structured cabling for new deployments. + Troubleshoot network connectivity and hardware issues, including fiber diagnostics. + Coordinate ... and correct configuration items, components and changes. + Investigates problems in systems , processes and services and assists with the implementation of agreed… more
    NTT DATA North America (01/05/26)
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  • IT Support Engineer II, Ops Tech Solutions (OTS)

    Amazon (Houston, TX)
    …about software design patterns, data structures, AWS technologies and distributed systems concepts. What Do We Offer? Amazon offers competitive compensation packages ... Qualifications - 3+ years of IT client, server, and network service delivery experience - 4+ years of IT... service delivery experience - 4+ years of IT systems or relevant commercial production environment experience - 4+… more
    Amazon (01/07/26)
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  • IT Support Engineer II, Ops Tech Solutions (OTS)

    Amazon (San Antonio, TX)
    …about software design patterns, data structures, AWS technologies and distributed systems concepts. What Do We Offer? Amazon offers competitive compensation packages ... Qualifications - 3+ years of IT client, server, and network service delivery experience - 4+ years of IT... service delivery experience - 4+ years of IT systems or relevant commercial production environment experience - 4+… more
    Amazon (12/19/25)
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  • Sr. Technical Support Engineer, Platinum

    Palo Alto Networks (Plano, TX)
    …+ Meet and exceed enhanced response time SLAs for customers managing mission-critical systems . + Manage and own support cases from recording and tracking through to ... + 5+ years of experience in a technical support role, preferably in network security. + Demonstrable experience with TCP/IP and the ability to independently debug… more
    Palo Alto Networks (01/15/26)
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