• Systems Development Engineer, AWS Cross Domain…

    Amazon (Jessup, MD)
    …in Linux or similar UNIX distribution with a good working knowledge of TCP /IP networking, architecture, and core technologies such as Load Balancing, DNS, DHCP, ... HTTP, and Routing - Current, active US Government Security Clearance of TS/SCI with Polygraph Preferred Qualifications - Experience utilizing AWS cloud solutions in a DevOps environment - Experience with security best practices in tool development and access… more
    Amazon (06/14/25)
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  • Senior Systems Engineer Level_IV

    General Dynamics Information Technology (Laurel, MD)
    …with a focus on IT systems. + Skills with Telecommunication ( TCP /IP, OIS/CMIP/X25), operating systems (Windows, UNIX, LINUX), NetApp-VMWare, database/DBMD (oracle, ... access, sybase) and applications (Tivolli, Peoplesoft). + Familiarity with ITIL, SEI/CMM is desirable + Red Hat Certified System Administrator (RHCSA) **WHAT YOU'LL NEED:** + **Must have one of the following DoD approved certifications to meet the… more
    General Dynamics Information Technology (06/12/25)
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  • Sr. Consultant - OT Network Architect | Remote,…

    Optiv (Columbia, MD)
    …strategies, architectures and governance. + Strong understanding of networking ( TCP /IP, OSI model), operating system fundamentals (Windows, UNIX, mainframe), ... security technologies (firewalls, IDS/IPS, etc.) and application programming/scripting languages (C, Java, Perl, Shell). + Working knowledge of operating systems, virtual machine environments, mainframe security packages, and relational database management… more
    Optiv (06/12/25)
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  • System Administrator Level IV

    General Dynamics Information Technology (Laurel, MD)
    …maintaining virtualization (VDI Desktops). + Skills with Telecommunication ( TCP /IP, OIS/CMIP/X25), operating systems (Windows, UNIX, LINUX), NetApp-VMWare, ... database/DBMD (oracle, access, sybase) and applications (Tivolli, Peoplesoft). + Red Hat Certified System Administrator (RHCSA) **Qualifications** **:** + **Must have one of the following DoD approved certifications to meet the category/level IAT-2 (DD 8570)… more
    General Dynamics Information Technology (06/12/25)
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  • SOC Security Analyst L2

    BlueVoyant (MD)
    …for security tools to tool administrators. + Familiarity with tools such as Wireshark, TCP Dump, Security Onion, and Splunk Strong knowledge of the following: + SIEM ... + Packet Analysis + SSL Decryption + Malware Detection + HIDS/NIDS + Network Monitoring Tools + Case Management System + Knowledge Base + Web Security Gateway + Email Security + Data Loss Prevention + Anti-Virus Preferred Qualifications + Experience in… more
    BlueVoyant (06/12/25)
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  • Network and Computer Systems Administrator

    ManTech (Belcamp, MD)
    …hardware like routers, switches, firewalls, and servers. + Knowledge of TCP /IP, information security/authorization profiles, or system administration of Unix or ... Windows networks/systems + Experience monitoring network performance, identifying and resolving issues, performing routine maintenance tasks on network devices like routers, switches, and firewalls. + Experience diagnosing and resolving network connectivity… more
    ManTech (06/11/25)
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  • Expert CNO Software Developer

    ManTech (Hanover, MD)
    …(eg Windows, Unix, Mobile, Network devices). + Proficiency with networking ( TCP /IP) and socket level programming. + CNO capability development experience. ... **Preferred Qualifications:** + Software Analysis/Reverse Engineering experience. + Understand assembly programming concepts. + Unit Test experience. + Experience using Atlassian products (JIRA, Confluence, Crucible) + Experience managing/leading teams… more
    ManTech (06/11/25)
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  • Linux System Administrator

    ManTech (Fort Meade, MD)
    …gateways and hubs + Experience with computer networking protocols including, but not limited to TCP , IP, UDP, HTTP, DHCP, and DNS + Ability to handle stress and work ... under pressure + Competence in computer operating systems **Clearance Requirement:** + Must have a current/active TS/SCI with Poly **Physical Requirements:** + Must be able to remain in a stationary position at least 50% of the time. + Needs to occasionally… more
    ManTech (06/06/25)
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  • Technical Operations Manager, Amazon Dedicated…

    Amazon (Columbia, MD)
    …outcomes. - Technical background and working knowledge of protocols (HTTP, DNS and TCP /IP) and cloud service offerings (AWS, Azure, etc.). - Current, active US ... Government Security Clearance of TS/SCI with Polygraph. Preferred Qualifications - Knowledge of AWS and Computing concepts - Experience working for a global company - Strong analytical background, comfortable in ambiguous situations. - Data and metrics driven… more
    Amazon (06/04/25)
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  • Senior Cybersecurity Analyst

    ManTech (Annapolis Junction, MD)
    …III or IASAE Level III certification. + In-depth understanding of TCP /IP, networking protocols, traffic flow, system administration, OSI model, and defense-in-depth ... strategies. + Practical experience analyzing high volumes of logs, network data, and attack artifacts for incident investigations. + Demonstrated experience with vulnerability scanning solutions. + Familiarity with the DOD Information Assurance Vulnerability… more
    ManTech (06/03/25)
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