• Radio Frequency Engineer III

    BAE Systems (Patuxent River, MD)
    …Experience in networking concepts such as IP, routing, Unicast/Multicast protocols, UDP, TCP , and the OSI model. + Knowledge of wireless communications concepts such ... as propagation, fading, interference, and modulation. + Experience of RF performance measures such as gain, VSWR, phase noise, and noise figure. + Experience with maintaining and debugging networking test equipment including switches, routers, and traffic… more
    BAE Systems (07/31/25)
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  • Security Engineer , Enterprise Protection Program

    Amazon (Annapolis Junction, MD)
    …or equivalent - Knowledge of networking protocols such as HTTP, DNS and TCP /IP - Knowledge of threat landscapes across the technology industry and government ... entities Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status. Our inclusive culture empowers Amazonians to deliver the best results for our customers. If you… more
    Amazon (07/31/25)
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  • System Engineer

    Leidos (Odenton, MD)
    …containerized environments. + Knowledge of basic networking and network protocols (eg TCP /IP, routing, firewalls, SSH and ports) + Hands-on experience with reviewing ... system logs and events to resolve issues. + Develop and provide solutions to complex technical issues and problems that impact dev, test and production computing environments. + Experienced with creating and managing critical system work instruction and… more
    Leidos (07/31/25)
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  • Senior Systems Engineer

    CACI International (Annapolis Junction, MD)
    …team. + Working with various technologies including telecommunications ( TCP /IP, OIS/CMIP/X25), operating systems (Windows, UNIX, Linux), databases (Oracle, ... MS Access, Sybase), and applications (Tivoli, PeopleSoft). + Applying ITIL and SEI/CMM principles to systems engineering processes to ensure effective and streamlined development workflows. + Providing oversight and management of systems engineering teams,… more
    CACI International (07/30/25)
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  • FedRAMP Senior Cyber Engineer (Multiple Levels)

    Noblis (Annapolis, MD)
    …Azure, Google, IBM, and Oracle such as: + How a vendor implements TCP /IP constructs within their respective software defined networking (SDN) architectures + Which ... implementations are deployed for customers by default, versus requiring customer configuration, or entirely a customer responsibility + Aspects of DNS including DNSSEC, typical configurations for DDoS protection, DNS over TLS (DoT), and DNS over HTTPS (DoH) +… more
    Noblis (07/30/25)
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  • Linux SME

    Arena Technical Resources, LLC (Bethesda, MD)
    …- Familiarity withRMF/ATO processesandaudit log management. - Strong understanding ofnetworking( TCP /IP, firewalls, VLANs, DNS) as it relates toLinux systems. Desired ... Qualifications: - DoD 8570 IAT Level II or III certification (Security+ CE, CASP+, CISSP). -Red Hat Certified Engineer (RHCE) or similar Linux certification. - Familiarity with CDS guard technologies (Radiant Mercury, Data Diode, Garrison, etc.). - Experience… more
    Arena Technical Resources, LLC (07/29/25)
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  • ADC Engineer, Controls Fleet

    Amazon (Jessup, MD)
    …have very strong knowledge of operating systems and network fundamentals. You understand TCP /IP and other common network protocols. You are proficient with at least ... one high-level scripting language (PowerShell, Python, Ruby). You should have a bias toward automation and a track record of creating automated solutions. You have experience operating distributed systems- diagnosing and resolving complex problems. You pay… more
    Amazon (07/26/25)
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  • Senior Mainframe Systems Programmer - Network-2

    Ensono (Annapolis, MD)
    …systems z/OS, Z/VM, Z/Linux + Network systems, CICS, MQ, Netview, Netmaster, TCP /IP, VTAM, NDM, FTP, EE, CA/Spool, LRS VPS/DRS, InfoPrint, JQP, XPTR, Connect:Direct, ... XCOM + Capacity Planning/Performance processor, Networks and storage + Database Systems DB2, IMS, IDMS, ADABASE, NATURAL, UDB, DATACOM + Security tools ACF2, Top Secret, RACF + Storage platforms Tape, Virtual Tape, DASD + Third Party software tools + Automated… more
    Ensono (07/26/25)
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  • Cyber/EW Research Engineer II

    RTX Corporation (Columbia, MD)
    …gdb or WinDbg + Understanding binary or systems reverse engineering + TCP /IP networking fundamentals and tools (eg, iptables, firewalls, tcpdump, wireshark, packet ... analysis) + Internet security protocols (eg, TLS/SSL) + Signal processing + Software Defined Radio experience **What We Offer** Whether you're just starting out on your career journey or are an experienced professional, we offer a robust total rewards package… more
    RTX Corporation (07/26/25)
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  • Windows Server Administrator

    BOOZ, ALLEN & HAMILTON, INC. (Annapolis Junction, MD)
    …patching, and system monitoring + Ability to troubleshoot basic networking issues such as TCP / IP, VLANs, DNS, and DHCP + Ability to follow guidance to support ... system compliance + TS / SCI clearance with a polygraph + Bachelor's degree + DoD 8570 IAT Level II certification, such as Security+ CE Nice If You Have: + Experience with supporting web applications and documenting technical processes or troubleshooting steps… more
    BOOZ, ALLEN & HAMILTON, INC. (07/26/25)
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