• Systems Administrator

    SOS International LLC (Fort Meade, MD)
    …storage (NAS). Candidates with a thorough knowledge of networking principles to include TCP / IP a plus. Experience with a ticketing system such as Remedy. ... Linux OS experience. Experience working in virtual environments. Work Environment Working conditions are normal for an office environment. Full time (5 days a week) on-site at Fort Meade, MD. Fast paced, deadline-oriented environment. The role may involve… more
    SOS International LLC (06/14/25)
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  • IT/Electronics Systems Technical Rep.

    ARK Systems, Incorporated (Columbia, MD)
    …required, including knowledge of networking, theory, principles and practices. Specific knowledge of TCP / IP and Windows Server. + Mechanical ability to work with ... locks and mechanical devices. + Knowledge of telecommunications systems is helpful. What we offer: - Proven industry experience - Competitive Salary - Uniforms/Uniform Assistance - Education Assistance - Opportunity for Growth - Medical Insurance - Vision… more
    ARK Systems, Incorporated (06/13/25)
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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)
    …security 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… more
    Optiv (06/12/25)
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  • System Administrator Level IV

    General Dynamics Information Technology (Laurel, MD)
    …and 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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  • Network Security Engineer Sr.

    Amentum (Fort Meade, MD)
    …(FTD) and Firepower Management Center (FMC) + Strong understanding of network protocols ( TCP / IP , UDP, DNS, DHCP, VLANs, routing protocols like OSPF, BGP) and ... network segmentation + Experience with other security technologies such as VPNs, IPS/IDS, malware analysis, and cloud security + Proficiency in scripting languages (eg, Python) for automation and API integrations. **Preferred Skills:** + CCIE Security… more
    Amentum (06/11/25)
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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)
    …areas (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… 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… more
    Amazon (06/04/25)
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