• Cyber Threat Hunt Analyst​

    Leidos (Ashburn, VA)
    …the following certifications:** + CompTIA Cyber Security Analyst (CySA+) + CompTIA Linux Network Professional (CLNP) + CompTIA Pentest+ CompTIA Cybersecurity ... - EC-Council Certified Security Analyst) + ENSA - EC-Council Network Security Administrator + ECIH - EC-Council...protocols + Familiarity with operation of both Windows and Linux based systems . + Proficient with scripting… more
    Leidos (08/14/25)
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  • OCONUS Field Engineer - TS/SCI Polygraph Required

    Leidos (Chantilly, VA)
    …+ Systems Engineering/Administration + Diagnosing and resolving software, hardware, and network problems + Linux Operating System (using command line) ... ideal candidate will have prior experience as either a systems engineer or systems administrator ....tool as well as maintaining the tool itself + Linux system administration to include ability to… more
    Leidos (08/08/25)
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  • ​​Cyber Detection Engineer ​

    Leidos (Ashburn, VA)
    …the following certifications:** + CompTIA Cyber Security Analyst (CySA+) + CompTIA Linux Network Professional (CLNP) + CompTIA Pentest+ CompTIA Cybersecurity ... - EC-Council Certified Security Analyst) + ENSA - EC-Council Network Security Administrator + ECIH - EC-Council...protocols + Familiarity with operation of both Windows and Linux based systems . + Proficient with scripting… more
    Leidos (08/15/25)
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  • Security Control Assessor (SCA) (TS/SCI)

    Tau Six (Chantilly, VA)
    …+ Experience with assessing security relevant applications. + Experience as a System Administrator , Information System Security Manager, or Information ... the enterprise. Candidates must possess thorough understanding of Windows & Linux operating systems , cloud technology, contemporary networking, and cybersecurity… more
    Tau Six (07/23/25)
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  • Production Test Technician

    CACI International (Dulles, VA)
    …and embedded Linux . - CompTIA Linux + or Red Hat Certified Systems Administrator (RHCSA). Insert 5-10 bullet points here _Desired:_ Insert 3-5 bullet ... and inspect basic electrical and electronic subassemblies, assemblies and systems to assure conformance to schematics and company and...areas as assigned. - Serve as a backup RMA Administrator as needed. - Works through the RMA backlog… more
    CACI International (09/19/25)
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  • Senior IT Specialist

    TekSynap (Springfield, VA)
    … Associate (CCNA) (Preferred) + Proven work experience as an Infrastructure Engineer, Network Administrator , or similar role. + Experience with databases and ... able to perform the following additional duties: + Analyzing system requirements and ensuring that systems will...Python or other languages. + Familiarity with various operating systems and platforms (MacOS, Ubuntu and CentOS Linux… more
    TekSynap (08/21/25)
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  • Cloud Forensic Analyst IV

    Nightwing (Sterling, VA)
    … events in support of developing an intrusion narrative- Collect and document system state information (eg running processes, network connections) prior to ... have a proactive approach to problem solving- Proficiency with common operating systems (e,g, Linux /Unix, Windows) Desired Skills:- Ability to provide knowledge… more
    Nightwing (08/01/25)
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  • Architect

    Leidos (Springfield, VA)
    …anomalies, and troubleshoot complex technical issues. + Strong understanding of system -level troubleshooting, operating systems (eg, Linux , Windows), ... system functional specifications, configuration of physical and virtual systems , backup and recovery of IT infrastructure. **Primary Responsibilities** : The… more
    Leidos (09/26/25)
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  • Principal OR Sr. Principal Payloads Field Service…

    Northrop Grumman (Fairfax, VA)
    …equipment: network analyzers, spectrum analyzers, signal generators + MPO/TC operator system knowledge + System Administrator experience + Operations and ... Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations… more
    Northrop Grumman (09/17/25)
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  • Host Based Security Solutions Analyst

    ManTech (Norfolk, VA)
    …to Trellix Endpoint Security (ENS) Client, ENS Firewall, Threat Prevention, Rogue System Detectors on enterprise Microsoft and Linux endpoints; maintaining ma ... capability. Our work involves seamlessly integrating live training with synthetic systems to create highly realistic and complex global training environments. We… more
    ManTech (08/29/25)
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