• Lead Systems Engineer

    CACI International (Arlington, VA)
    …+ Oversees infrastructure, COOP/Disaster Recovery, performance and capacity, databases, systems administration, application administration, operating systems ... leading system engineering efforts, ideally for HCM or HR systems and associated development and delivery environments + Demonstrated knowledge of industry… more
    CACI International (08/23/25)
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  • Systems Administrator

    Guidehouse (Springfield, VA)
    …notification system )) (frequency: quarterly as needed). + Troubleshoot and repair operating system (OS) and hardware issues. + Perform weekly database ... Secret SCI (TS/SCI) **What You Will Do** **:** The System Administrator will provide technical support, systems ...+ Knowledge of Windows 10 Server 2016, 2019, 2022 operating systems + Knowledge of Blackberry AtHoc… more
    Guidehouse (08/08/25)
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  • Senior Information System Security Officer…

    Tyto Athene (Fairfax, VA)
    **Description** Tyto Athene is searching for a **Senior Information System Security Officer (ISSO)** to be responsible for the overall handling of information ... a large, complex IT infrastructure program in Washington DC. Systems are deployed using a public cloud service provider...documents that you will be responsible for are the System Security Plan (SSP), Risk Assessment Report, Security Assessment… more
    Tyto Athene (09/16/25)
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  • Navy Qualified Validator

    Trace Systems Inc (Portsmouth, VA)
    …conducted at NNSY. + Review A&A package submissions to ensure system /network architectures and technical/non- technical operating features adequately protect ... ISSMs, Information System Security Officers (ISSOs), and system owners to validate that all systems ...+ Setup and execution of A&A Business Rules, Standard Operating Procedures (SOP)s, Concept of Operations (CONOP)s, and Plans.… more
    Trace Systems Inc (08/29/25)
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  • Summer 2026 System Test Engineering Intern

    AeroVironment (Arlington, VA)
    …will discuss specific details regarding the team and location. **Summary** As a ** System Test Engineering Intern** , you will support the **developmental and flight ... testing** of **small unmanned aerial systems (UAS)** and related subsystems. You will work closely...challenges. **Position Responsibilities** + Assist in the execution of ** system -level and flight tests** , supporting UAV ground and… more
    AeroVironment (09/05/25)
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  • System Administrator - Active Secret…

    ENS Solutions (Norfolk, VA)
    …directory services used in certificate-based authentication. + Maintain documentation of system configurations, change logs, and standard operating procedures ... This role is contingent upon Contract Award The System Administrator supports secure and resilient operations of PKI infrastructure and associated systems for an… more
    ENS Solutions (09/27/25)
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  • System Engineer | TS/SCI Polygraph Required…

    Deloitte (Rosslyn, VA)
    …accelerate new digital ventures, and fuel growth through innovation. Work You'll Do The System Engineer will plan and lead systems engineering efforts. + Analyze ... of requirements, design, and technology. + Incorporate new plans, designs, and systems into ongoing operations. + Develop technical, system architecture, and… more
    Deloitte (09/09/25)
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  • Cloud Information Systems Security Engineer…

    Parsons Corporation (Chantilly, VA)
    …Active Directory + RedHat Linux + Virtualization Platforms: Hyper-V, VMware + Real Time Operating Systems (RTOS) (ie QNX, VxWorks) + VDI (Desktop), Citrix + ... Description:** Parsons is looking for a talented **Cloud** **Information System Security Engineer** to join our growing team! In...will get to support services to advanced customer mission systems throughout the full systems lifecycle. **What… more
    Parsons Corporation (09/30/25)
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  • Information Systems Security Manager

    M. C. Dean (Vienna, VA)
    …technology concepts, platforms, and technologies, including Microsoft Windows and/or Linux operating systems , and system virtualization (multiple ... life safety, automation and controls, audio visual, and IT systems . MC Dean is headquartered in Tysons, Virginia, and...; and deliver the management platforms essential for long-term system sustainability. **Why join MC Dean?** Our people are… more
    M. C. Dean (09/13/25)
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  • Network Systems Engineer - TS/SCI w/Poly

    Parsons Corporation (Mclean, VA)
    …using Cisco and other industry-leading technologies. + Configure and manage servers, operating systems , and network devices to ensure seamless integration and ... Support the configuration, management, and troubleshooting of encryptors, secure communication systems , and system -level security protocols. + Perform network… more
    Parsons Corporation (09/09/25)
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