• OT/ICS Cybersecurity Engineer (Operational…

    Jacobs (San Francisco, CA)
    …Trust Architecture Preferred: * IAT Level II Certification (Security+, GICSP) * Cisco CCNA , Fortinet NSE-4, JNCIA or equivalent network certification * Expertise ... include 3rd party technologies that ensure that system and network data is visible and secure. In this role,...security with experience leading engagements * Experience with OT network monitoring and data collection tools * Technical background… more
    Jacobs (07/29/25)
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  • Mult Function Info Systems, MPE Admin, MCAS…

    Lockheed Martin (San Diego, CA)
    …CySA\+, or CCNA \)\. \* IT experience of any combination in system/database/ network /mission planning\- administration \* This is an operational support role to an ... will be required to cross\-train across multiple functions \(Database, Network , Systems, Security, Mission Planning Administration\) \- Multi\-Function Information… more
    Lockheed Martin (07/26/25)
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  • Mult Fnc Info Sys Anlst Sr, System Admin (NAS…

    Lockheed Martin (Lemoore, CA)
    …CySA\+, or CCNA \)\. * IT experience of any combination in system/database/ network /mission planning\- administration * This is an operational support role to an ... will be required to cross\-train across multiple functions \(Database, Network , Systems, Security, Mission Planning Administration\) \- Multi\-Function Information… more
    Lockheed Martin (07/24/25)
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  • Linux/Windows Senior Systems Administrator

    Lockheed Martin (San Diego, CA)
    …Martin is looking for highly motivated, experienced individuals to perform network /system administration and support on a variety of complex platforms supporting ... Configuration, and Administration \- Experience providing lab support including: Network /System Administration \- Experience with server and desktop management of… more
    Lockheed Martin (07/12/25)
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  • Cyber Defense & Resilience Senior Consultant…

    Deloitte (Los Angeles, CA)
    …and correcting issues or gaps in knowledge (analysis procedures, plays, client network models), false positive tuning, identifying and recommending new or updated ... TCP/IP, DNS, HTTP + Understanding of possible attack activities such as network probing/scanning, DDOS, malicious code activity, etc. + Knowledge of Advanced… more
    Deloitte (07/10/25)
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  • Senior NOS Test Engineer

    Celestica (San Jose, CA)
    …professional with 12+ years of deep, hands-on experience in testing complex Network Operating Systems (NOS) and driving quality across the software development ... or a related field. **Knowledge/Skills/Competencies** + Strong understanding of Network Operating Systems (NOS), particularly SONiC + Expertise in functional,… more
    Celestica (07/09/25)
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  • Cybersecurity Risk Analyst, Senior

    BOOZ, ALLEN & HAMILTON, INC. (San Diego, CA)
    …and security engineering to safeguard our nation? As a systems security and network security engineer, you can identify the tools, applications, and systems needed ... correlation in large enterprises. + Perform risk and vulnerability assessments in network , system, and application areas. + Leverage big data analytics and… more
    BOOZ, ALLEN & HAMILTON, INC. (08/11/25)
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  • ITC Systems Consultant

    Arup (San Francisco, CA)
    …facing roles + Excellent planning and organization skills **Preferred:** + Certifications: CNT/ CCNA /CCNP, or CWNA + Experience with active network design, RF ... IoT. + Experience designing outside plant, campus infrastructure, and wide area network coordination. + Experience or knowledge of specialty healthcare systems such… more
    Arup (08/08/25)
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  • IT Support Engineer II, Project Kuiper

    Amazon (Northridge, CA)
    Description Project Kuiper is Amazon's low Earth orbit satellite broadband network . Its mission is to deliver fast, reliable internet to customers and communities ... bare-metal windows and Linux servers - Configure, Deploy, and Replace network infrastructure including switches, routers, and firewalls - Participate in hiring,… more
    Amazon (08/08/25)
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  • Senior Software Test Engineer (Ethernet Switching)

    Cisco (San Jose, CA)
    …Ethernet Switching products that address the evolving needs of modern network infrastructures, including those in AI, cloud computing, and enterprise environments. ... * Experience working in a fast-paced start-up environment * CCNA or CCNP certified **Why Cisco?** At Cisco, we're...and create meaningful solutions. Add to that our worldwide network of doers and experts, and you'll see that… more
    Cisco (08/08/25)
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