• Network Modeling and Simulation Technician

    CACI International (Sterling, VA)
    …executing complex network models and simulations to optimize network performance , capacity , and reliability across various technologies. **Responsibilities:** ... (eg, IP/MPLS, optical) + Conduct advanced network simulations to evaluate performance metrics, capacity requirements, and scalability + Analyze simulation… more
    CACI International (10/23/25)
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  • Principal Network Systems Engineer

    Saliense Consulting (Arlington, VA)
    …Systems Engineer must have the ability to manage server infrastructure related problems, performance , and capacity as well as work hand-in-hand with the ... solving network server problems or network infrastructure issues and managing the performance and capacity of a VLAN/LAN/WAN environment + Experience in… more
    Saliense Consulting (12/30/25)
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  • Software Developer

    KBR (Springfield, VA)
    …scripts, tools, or applications, and appropriate test scenarios to verify the performance , capacity , and scalability of services and capabilities. + Provide ... integration automation, automated system monitoring, load testing, service virtualization, performance profiling, etc. + Implement accepted automation solutions in… more
    KBR (12/11/25)
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  • SAP Quality Management , Amazon Leo

    Amazon (Arlington, VA)
    …customers and communities around the world, and we've designed the system with the capacity , flexibility, and performance to serve a wide range of customers, ... deployed applications perform as per customer expectations and there are no performance issues - Identify training needs, support creating training documentation and… more
    Amazon (12/06/25)
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  • Senior Manager, Software Engineering, Full Stack…

    Capital One (Mclean, VA)
    …, and cost, provide scalable solutions for applications to optimize cloud performance & capacity , automate to enable real-time cloud spend decisions ... in the candidate's offer letter. This role is also eligible to earn performance based incentive compensation, which may include cash bonus(es) and/or long term… more
    Capital One (11/23/25)
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  • Technical Lead-Network Architect

    CACI International (Sterling, VA)
    …network design standards, best practices, and documentation processes. + Oversee network capacity planning and performance optimization efforts + Lead the design ... responsible for defining the overall network architecture strategy, ensuring scalability, performance , and security of our network systems, and driving innovation in… more
    CACI International (10/25/25)
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  • IT Specialist (Sysadmin)

    Defense Logistics Agency (Fort Belvoir, VA)
    …communications and data network by analyzing network workload and monitoring network capacity and performance Develops documents and proposes VTC/SV development ... and technical refresh projects or reviews proposed project packages to determine adequacy, need, potential costs/benefits and provide implementation recommendations Experience refers to paid and unpaid experience, including volunteer work done through National… more
    Defense Logistics Agency (01/01/26)
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  • Lead Network and Infrastructure Engineer

    ManTech (Herndon, VA)
    …etc.) solutions across enterprise and mission-critical environments. + Perform network capacity planning, performance tuning, and optimization. + Ensure network ... architecture and infrastructure complies with federal security standards for the respective national security customer (eg, DISA STIGs, FISMA, FedRAMP, NIST 800-53). + Develop and maintain documentation including network and infrastructure diagrams, SOPs, and… more
    ManTech (10/10/25)
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  • Technical Program Manager, Leo Security

    Amazon (Arlington, VA)
    …customers and communities around the world, and we've designed the system with the capacity , flexibility, and performance to serve a wide range of customers, ... ideas, perspectives, and voices. Training & Career Growth We're continuously raising our performance bar as we strive to become Earth's Best Employer. That's why… more
    Amazon (12/13/25)
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  • Systems Developer, Amazon Leo

    Amazon (Arlington, VA)
    …customers and communities around the world, and we've designed the system with the capacity , flexibility, and performance to serve a wide range of customers, ... you work with, and be constantly looking for ways to improve your product's performance , quality and cost. We want individuals who are ready for this challenge and… more
    Amazon (12/05/25)
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