• Linux Engineer - TS/SCI with Polygraph

    General Dynamics Information Technology (Chantilly, VA)
    …be considered for employment; either valid CompTIA Security + CE, Systems Security Certified Practitioner (SSCP) or Cisco Certified Network Associate (CCNA)- ... The supporting infrastructure includes multiple Microsoft based networks spanning multiple security enclaves within a hybrid (Windows & RHEL) operating environment.… more
    General Dynamics Information Technology (09/16/25)
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  • Cybersecurity Network Defense Administrator

    GovCIO (Richmond, VA)
    …VA and will be a remote position. **Responsibilities** The Senior Cybersecurity Network Defense Administrator (Information Assurance Engineer - Senior) will be ... as Security +/CISSP/etc.) + 9+ years' experience with Cybersecurity and Network Defense related areas + Experience with ACAS management, including infrastructure… more
    GovCIO (09/25/25)
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  • Linux Systems Engineer - Active TS/SCI

    ENS Solutions (Chantilly, VA)
    …competency area of Identity, Credential and Access Management (ICAM), Software Development, Cyber and Network Security , System Engineering, Program/Project ... ; willingness to obtain and maintain a CI Poly. Benefits Essential Network Security (ENS) Solutions, LLC is a service-disabled veteran owned, highly regarded IT… more
    ENS Solutions (09/27/25)
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  • Network Administrator 3 -Tyson's

    M. C. Dean (Vienna, VA)
    …Bachelor's Degree with 5+ years of experience **Desired Certifications:** + CCNA, CCNP or Network + Security + or similar which meets current guidelines such as ... (TM) . As a leader and premier provider of cyber -physical systems, we spearhead the design, construction, operation, and...worldwide, is the driving force behind our ability to engineer and deploy automated, secure, and resilient power and… more
    M. C. Dean (08/27/25)
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  • Senior Systems Engineer

    SAIC (Arlington, VA)
    …workstation installation, diagnosis and repair, technical writing, computer security , knowledge management, database administration, system maintenance, project ... a range of current information technologies, computing platforms, and network systems, including cloud computing, blade servers, virtualization, unified… more
    SAIC (09/26/25)
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  • Director Information Security

    Lumen (Richmond, VA)
    …complex networks. **The Main Responsibilities** We are seeking a Principal Information Security Engineer Director, Information Security to support high-value ... customers. You will be primarily responsible for deploying, configuring, and securing network security gear, with a strong emphasis on optical fiber… more
    Lumen (09/03/25)
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  • Information System Security Officer,…

    Lockheed Martin (Herndon, VA)
    …hardening, analysis, vulnerability management, DISA STIGs\. \- Prior Information System Security Engineer \(ISSE\) or System Administration experience\. \- ... Level:** Experienced Professional **Business Unit:** SPACE **Relocation Available:** No **Career Area:** Cyber Security **Type:** Full\-Time **Shift:** First more
    Lockheed Martin (08/08/25)
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  • ACAS Systems Administrator/ Information Systems…

    CACI International (Norfolk, VA)
    …Continental US * * * **The Opportunity** We're seeking an experienced Information Systems Security Engineer & ACAS System Administrator to join our NTCSS Systems ... to obtain T5 investigation clearance) + DoD 8570 IAT Level 2+ certification ( Security +, Network +, CISSP) + 5+ years' experience solving technical problems +… more
    CACI International (09/25/25)
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  • Information Systems Security Manager

    M. C. Dean (Vienna, VA)
    …Dean** is Building Intelligence(R). We design, build, operate, and maintain cyber -physical solutions for the nation's most recognizable mission critical facilities, ... and global enterprises. The company's capabilities include electrical, electronic security , telecommunications, life safety, automation and controls, audio visual,… more
    M. C. Dean (09/13/25)
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  • Cloud Forensic Analyst IV

    Nightwing (Sterling, VA)
    Nightwing provides technically advanced full-spectrum cyber , data operations, systems integration and intelligence mission support services to meet our customers' ... most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency,...devices and assess evidentiary value- Correlate forensic findings to network events in support of developing an intrusion narrative-… more
    Nightwing (08/01/25)
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