• Specialist, IT Infrastructure

    Celestica (Houston, TX)
    …CompTIA Security + or Network+, CheckPoint or FortiGate Firewall, Cisco CCNA or CCNP, Fortinet Certified Professional or Solution Specialist. **Notes** This job ... the site's operating environment, ensuring the ongoing reliability, performance and security of the infrastructure. This includes monitoring and upkeeping the… more
    Celestica (09/04/25)
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  • Senior Cloud Support Engineer

    Futurex (Bulverde, TX)
    …The ideal candidate has a strong background in cloud infrastructure, networking, and security technologies, with a preferred focus on HSMs, PKI, and key management ... Contribute to the design and implementation of support tools and processes. + Security Expertise: + Support the implementation and management of Hardware Security… more
    Futurex (07/20/25)
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  • Operational Technology (OT) Senior Technologist

    Amentum (Austin, TX)
    …technology solutions with focus on cybersecurity, networking, firewalls, industrial security controls, cybersecurity policy and program development and consulting ... (switching, routing, segregation (VLAN's), subnets, redundancy protocols), network perimeter security , intrusion detection systems, network behavioral analytics (anomaly detection)… more
    Amentum (07/09/25)
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  • Senior Network and Next Generation Firewall…

    Lumen (Austin, TX)
    …the future. **The Role** This position is a supportive role implementing Managed Security Services (MSS) and Managed Trusted Internet Protocol Service (MTIPS) in a ... Federal Security Operations Center (Federal SOC) 24x7x365 environment. The Federal...Administration is considered a plus. + Recognized industry Certifications: CCNA . CCNP, CISSP, NSE7, would be considered a plus.… more
    Lumen (10/01/25)
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  • Unified Communications Engineer - Principal

    Amentum (San Antonio, TX)
    …tailored to the specific needs of the organization, focusing on scalability, security , and optimal performance to ensure long-term effectiveness and adaptability to ... identifying and resolving issues, while conducting routine maintenance, updates, and security patches to maintain continuous, optimal operation + Integrate unified… more
    Amentum (09/17/25)
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  • Sr. Consultant - OT Network Architect | Remote,…

    Optiv (Austin, TX)
    …NIST 800-82 or other relevant OT frameworks + Knowledge of general security concepts and methods such as vulnerability assessments, data classification, privacy ... assessments, incident response, security policy creation, enterprise security strategies, architectures...candidate may hold related professional certifications such as the CCNA , Comptia Network+, or other relevant networking certifications. +… more
    Optiv (09/11/25)
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  • Senior Network Engineering Lead - Remote

    Ryder System (Austin, TX)
    …in configuration management, data management, information management, network security , IT architecture, infrastructure design, systems integration and systems ... PoE, NTP, DHCP), network management protocols (CDP, FTP, TFTP, SNMP) and security protocols (SSH, HTTPS, AAA, IPSec, TrustSec)advanced required + Knowledge in… more
    Ryder System (08/26/25)
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  • Manager, IT Infrastructure and Networking

    ISC2 (Austin, TX)
    …with a strong focus on automation, resiliency, scalability, and security .The role combines strategic planning, enterprise-level design, and hands-on technical ... + Own and evolve ISC2's global infrastructure footprint, ensuring reliability, security , compliance, and scalability. + Establish and monitor enterprise metrics for… more
    ISC2 (09/27/25)
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  • Network Infrastructure Engineer I , Amazon…

    Amazon (San Antonio, TX)
    …team of software, hardware, and network engineers, supply chain specialists, security experts, operations managers, and other vital roles. You'll collaborate with ... people across AWS to help us deliver the highest standards for safety and security while providing seemingly infinite capacity at the lowest possible cost for our… more
    Amazon (09/13/25)
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  • Infrastructure Senior Technology Analyst Assistant…

    Citigroup (Irving, TX)
    …desk administration activities, including network maintenance, technical guidance, and security in coordination with the Technology Infrastructure team. The overall ... execute administrative tasks. Duties include providing support to Citi perimeter security infrastructure, comprised by firewall, proxy, and SASE technologies; day to… more
    Citigroup (09/02/25)
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