• Principal Network Engineer

    Leidos (Mclean, VA)
    **Description** **Leidos** has a new and exciting opportunity for a **Principal Network Engineer ** in our **National Security Sector's (NSS) Cyber & ... . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission...and expert technical knowledge. + Experience in interfacing with senior management and negotiating with clients on requirements and… more
    Leidos (10/10/25)
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  • Senior Engineer - Public Sector

    Lumen (Richmond, VA)
    …and engineering disciplines. Specific technical knowledge of enterprise-level networking and network security . *Available 24/7 for Network Outages ... future. **The Role** As a highly technical and hands-on position, the Sr Engineer will be supporting the Public Sector Solution Integration team and its specialized… more
    Lumen (11/11/25)
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  • Senior DevOps Engineer

    Noblis (Chantilly, VA)
    Responsibilities As a Senior DevOps Engineer , you will be responsible for the design, deployment, testing, certification, operations, patching, and addressing ... optimization + GitLab or similar version control systems + Network architecture and security in classified environments...version control systems + Network architecture and security in classified environments + Hybrid cloud and on-premises… more
    Noblis (11/20/25)
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  • Senior UNIX System Engineer

    TekSynap (Radford, VA)
    …operating procedures, and policies. + Perform system hardening and report on security and operational status. + Identify system improvements and lead new ... (5) years as a UNIX Systems Administrator or IT Engineer , including task automation. + Three (3) years of...of experience in patch management (YUM, RPM) and applying security updates. + Three (3) years working in complex… more
    TekSynap (10/25/25)
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  • Sr Security Engineer

    Arena Technical Resources, LLC (Falls Church, VA)
    …obtain a Public Trust clearance. Job Description: We are seeking an experienced Senior Security Engineer well-versed in designing, deploying, and maintaining ... Sr Security Engineer Location: Falls Church, VA, US Job ID: ATR...enterprise-wide or large-scale network security systems. The ideal candidate will have… more
    Arena Technical Resources, LLC (10/06/25)
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  • Senior Malware Engineer

    Leidos (Alexandria, VA)
    **Description** Leidos has a current job opportunity for a ** Senior Malware Engineer ** on the DISA GSM-O program in Alexandria, VA.An active Top Secret ... security clearance and demonstrated advanced technical ability in reverse...future risks. **Responsibilities include:** + Demonstrated advanced experience with network traffic and communications, including known ports and services;… more
    Leidos (10/31/25)
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  • Senior DevOps Engineer with AWS

    GovCIO (Richmond, VA)
    **Overview** GovCIO is currently hiring for Senior Engineer with DevSecOps experience to provide development, support, architecture, and leadership for a ... * Create blueprints for hybrid cloud infrastructures centered around AWS ( network , server, storage, security , and management software topologies), Run… more
    GovCIO (10/07/25)
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  • Senior Cloud Engineer

    Solvarus (Chantilly, VA)
    …who need them and to quickly aid the people who need it. As a Senior Cloud Engineer you will be responsible to define the implementation approaches and ... optimum efficiencies for the utilization of cloud services. Qualifications: + Active TS/SCI Security Clearance with CI Poly + STEM degree or higher in Systems… more
    Solvarus (09/15/25)
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  • Senior Cybersecurity Malware Reverse…

    ManTech (Herndon, VA)
    **ManTech** seeks a motivated, career and customer-oriented ** Senior Cybersecurity Malware Reverse Engineer ** to join our team in the **DC, Maryland, and ... threats and mitigation techniques. You will investigate potential intrusions and security events to contain and mitigate incidents. You will research cyber-attacks,… more
    ManTech (11/14/25)
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  • Senior Systems Engineer

    GovCIO (Sterling, VA)
    …/job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-VA-Sterling_ **ID** _2024-4950_ **Category** _IT Infrastructure & Network Engineering & ... **Overview** GovCIO is currently hiring for a Senior Systems Engineer with an active...systems and servers. + Ensure uptime, performance, resources, and security of the computers, servers, and/or systems meet user… more
    GovCIO (10/22/25)
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