• Senior Python Developer (SWE-3)

    Leidos (Fort Meade, MD)
    …Business Area (CABA)** . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical ... **Leidos** has a new and exciting opportunity for a ** Senior Python Developer** in our **National Security ...!** **Job Summary:** Our LOE program provides our customer's Operations organization with the best possible solutions for their… more
    Leidos (07/29/25)
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  • Lead Network Engineer - Infrastructure

    St. George Tanaq Corporation (Suitland, MD)
    … Engineer - Infrastructure** to support our federal government customer. The Lead Network Engineer is responsible for senior -level management and maintenance of ... Lead Network Engineer - Infrastructure WFH Flexible*Suitland, MD (http://maps.google.com/maps?q=Suitland+MD+USA) Job Type Full-time Description **Overview** Tanaq… more
    St. George Tanaq Corporation (08/15/25)
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  • Network Administrator

    GovCIO (Annapolis, MD)
    …and will be a remote position. **Responsibilities** This position is for a Senior Network Administrator in a mixed and growing environment currently supporting ... operation of the network , hardening of the network and reporting of the overall security ...the network and reporting of the overall security and operational status. The position will also recommend… more
    GovCIO (09/26/25)
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  • Senior Linux Systems Administrator - 10k…

    Leidos (Columbia, MD)
    …Business Area (CABA)** . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical ... **Description** **Leidos** has a new and exciting opportunity for a ** Senior Linux Systems Administrator** in our **National Security Sector's (NSS) Cyber &… more
    Leidos (09/26/25)
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  • Senior Penetration Tester

    Humana (Annapolis, MD)
    …The Senior Penetration Tester enables secure and compliant business operations by performing application security -focused penetration tests. This role helps ... Minimum 5 years of experience in penetration testing, ethical hacking, or offensive security operations + Advanced proficiency in scripting languages such as… more
    Humana (09/30/25)
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  • Media Malware Analyst, Senior

    Leidos (Odenton, MD)
    …services and mission software capabilities in the areas of cyber, logistics, security operations , and decision analytics to support our defense and ... the world. **Your greatest work is ahead!** The National Security Sector (NSS) seeks a highly qualified and trained... Sector (NSS) seeks a highly qualified and trained Senior -level Media Malware Analysts to support United States Cyber… more
    Leidos (09/12/25)
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  • Senior Lead Infrastructure Engineer - DNS

    Lumen (Annapolis, MD)
    …advanced networking expertise with collaboration and leadership to ensure optimal network performance, security , and scalability across the organization. The ... business continuity. + Utilize automation tools and scripting to improve efficiency for network deployments and operations . **What We Look For in a Candidate**… more
    Lumen (09/30/25)
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  • Senior Systems Administrator

    Competitive Range Solutions, LLC (Fort Meade, MD)
    …+ 1-3 years of specialized project experience or formal training in system administration, network security , or IT operations . + Skills: + Strong technical ... in a collaborative, congenial environment. We are seeking a Senior System Administrator to lead the management, operations...to work within classified DoD environments, ensuring secure system operations . + Proficiency in network security… more
    Competitive Range Solutions, LLC (08/07/25)
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  • Senior OT Systems Analyst

    System One (Salisbury, MD)
    …projects end-to-end, collaborating across teams, and driving innovation in manufacturing operations . Senior OT Systems Analyst Key Responsibilities + Lead ... and on-call support outside normal hours. + Understanding of OT/IT convergence and security standards (eg, IEC 62443). Senior OT Systems Analyst Preferred… more
    System One (07/18/25)
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  • (Mid. or Senior ) System Administrator

    Belay Technologies (Annapolis Junction, MD)
    …advanced security protocols and standards + Must have experience with Network Security Technologies (eg Multiple Domain, PKI, SSP, and Vulnerability ... maintaining system administration support activities for a large complex network environment with geographically distributed systems. The position entails supporting… more
    Belay Technologies (10/01/25)
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