• Sr. ISSE TS/SCI Poly

    Leidos (Annapolis Junction, MD)
    …multiple system security plans for development, test and production systems following the Risk Management Framework (RMF); manage cross domain capabilities; and ... areas: + Validating and verifying system security requirements and establishing system security designs for large-scale systems , major system elements,… more
    Leidos (11/15/25)
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  • Quality Assurance Linux Administrator

    Assertive Professionals (Hanover, MD)
    …and manages LINUX operating systems and installs/loads operating system software, troubleshoots, maintains integrity and configures network components ... management and internal customers for escalated tickets + Loads operating system software, troubleshoots, maintains integrity and configures network components… more
    Assertive Professionals (09/25/25)
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  • DNS Administrator

    SAIC (Beltsville, MD)
    …possess comprehensive expertise in the engineering, implementation, and management of network monitoring, security, and performance systems . This position ... levels, ensuring minimal downtime and optimal performance. + ** Network Protocols and Systems :** + Manage and...clear and accurate records of DNS configurations, changes, and system updates. + Provide regular reports on DNS performance,… more
    SAIC (12/19/25)
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  • Unified Communication Performance Analyst - TS/SCI…

    General Dynamics Information Technology (Annapolis Junction, MD)
    …SCI + Polygraph **Public Trust/Other Required:** None **Job Family:** Network and Telecommunications **Skills:** Telecommunication Systems ,Teleconferencing ... with cross-functional teams to ensure integration of SL1/VOSS with existing systems and infrastructure. * System Monitoring & Performance Optimization:… more
    General Dynamics Information Technology (10/14/25)
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  • Splunk Security Engineer

    TekSynap (Rockville, MD)
    system + Maintain the Log Management and Security Information and Event Management system to collectand aggregate IDS/IPS data from network sensors, raw data ... Prevention System (IPS) events to minimize false positives + Enroll NRC network and systems information into the SIEM tool, using information from… more
    TekSynap (10/17/25)
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  • Tier I-NOC Technician

    TekSynap (Rockville, MD)
    …management tools. + Monitor network appliances/infrastructure, servers, operating systems , software applications, and hardware. + Monitor system availability ... **Responsibilities & Qualifications** The Tier I-NOC Technician provides Network Operations Center support and front-line communications, monitoring, support,… more
    TekSynap (10/10/25)
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  • Application Developer

    Leidos (Odenton, MD)
    …includes the Operations, Sustainment, Maintenance, Repair, and Defense of the Defense Information System Network (DISN) within the DOD Information Network ... diverse team members. + Troubleshot and resolve installation, infrastructure, network and system issues. + Independently report,...administration. + The ability to quickly adapt to new system environments and interface with systems . An… more
    Leidos (10/16/25)
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  • Linux Administrator, Senior

    Amentum (Hanover, MD)
    …and manages Linux operating systems and installs/loads operating system software, troubleshoots, maintains integrity and configures network components ... management and internal customers for escalated tickets. * Loads operating system software, troubleshoots, maintains integrity and configures network components.… more
    Amentum (11/21/25)
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  • DCGS Lowband Software Support Engineer (Onsite)

    RTX Corporation (Fort Meade, MD)
    …+ Monitors the SIGINT system and networks health/status (Sensor, platform, network paths, DCGS SIGINT systems , and SIGINT related enterprise services). + ... + Provides comprehensive analysis, diagnostics and fault isolation for the SIGINT systems associated with End-to-End network paths/DSFS systems . +… more
    RTX Corporation (12/11/25)
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  • Information Security Professionals ISSO ISSE

    Leidos (Annapolis Junction, MD)
    …talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence ... us and make a difference in National Security!** Information Systems Security Officers (ISSO) and Information Systems ...and Ft. Meade, MD. **ISSO Job Summary:** The Information System Security Officer (ISSO) is integral to our mission… more
    Leidos (10/18/25)
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