• Principal / Sr. Principal Core Engineer

    Northrop Grumman (Chantilly, VA)
    …6 years of Network Engineering experience for Level 4 Senior Principal Network Engineer placement + **Active TS /SCI with CI Poly at the time of ... We are looking for a **Principal or Sr. Principal** **Core Network Engineer ** to support the design and implementation services for WAN/LAN infrastructures out… more
    Northrop Grumman (07/03/25)
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  • Network Engineer - TS /SCI Polygraph…

    Leidos (Chantilly, VA)
    **Description** Leidos is searching for several Senior Network Engineers of varying experience levels to join our team in Chantilly, VA. The team is made-up of ... highly technical and motivated individuals. The engineer for this role will assist in troubleshooting complex...of other tasks + Ensure network uptime, performance, and security + Document and enforce network standards + Manage… more
    Leidos (08/08/25)
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  • Senior UI/UX Designer/Developer TS

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    ** Senior UI/UX Designer/Developer TS /SCI with Poly REUQIRED** **Category:** Software Development/ Engineering **Main location:** United States, Virginia, ... Engineer within our Intel sector advancing the national security mission through cutting edge technology. You must have...years, as a substitute to the Master's degree. * Security Clearance: TS /SCI with CI Poly *… more
    CGI Technologies and Solutions, Inc. (08/12/25)
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  • Splunk Engineer - TS /SCI with FS…

    Optiv (Herndon, VA)
    A Level I Engineer is a proactive and self-motivated individual, responsible for executing routine tasks outlined in a statement of work with minimal oversight and ... To be successful in this role, a Level I Engineer will maintain and obtain certifications aligned with industry...and understand their needs and objectives. + Collaborate with senior engineers on more complex engagements. + Provide technical… more
    Optiv (07/30/25)
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  • Experienced Full Stack Developer: Junior, Mid,…

    Cipher Tech Solutions (Vienna, VA)
    …+ Must be a US Citizen (no exceptions) + Must hold an active US government security clearance at the TS //SCI level with Polygraph + Must hold a Bachelor's degree ... degree and have a minimum of 3 years' experience. Senior -Level: + Candidates must possess a relevant bachelor's degree...of analyzing malicious code. The goal of a reverse engineer is to understand how the malicious code works… more
    Cipher Tech Solutions (07/08/25)
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  • Secret or TS Azure Cloud…

    Insight Global (Arlington, VA)
    Job Description Overview: Insight Global is seeking a highly skilled and experienced Azure Senior Cloud Engineer to join our team. This role involves working ... core Azure networking components such as Virtual Networks (VNet), subnets, Network Security Groups (NSGs), and route tables. Implement load balancing, VPN gateways,… more
    Insight Global (07/31/25)
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  • TS /SCI Full Stack Developer

    Insight Global (Lee County, VA)
    Job Description As a Senior Engineer you will help our customers succeed using our platform. You will go on-site 2-3 days a week to deploy code, diagnose issues, ... JavaScript, .NET Core on Linux, containerization, enterprise single sign-on, network security , databases, and infrastructure as code. You will also be involved… more
    Insight Global (08/08/25)
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  • Senior Specialist, Systems Engineer

    L3Harris (Springfield, VA)
    …the interest of national security . Job Title: Senior Specialist, Systems Engineer - Cyber Planning (Active TS /SCI w/CI Poly Required) Job Code: 25193 Job ... Description: L3Harris Technologies currently has an opening for a Senior Specialist, Systems Engineer - Cyber Planner...of 10 years of prior related experience. + Active Top Secret /SCI with CI Poly clearance required.… more
    L3Harris (07/02/25)
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  • Senior Data Mining and Analytics…

    ICF (Arlington, VA)
    …successful cleared candidate will act as a Senior Data Mining and Analytics Engineer to support a large federal cyber security analytic program. Your work ... Description ICF International seeks an experienced Senior Data Mining and Analytics Engineer ...(AWS) Certified Cloud Practitioner or higher desired + CompTIA Security + or higher cybersecurity certification preferred \#ICFNS **Working at… more
    ICF (06/11/25)
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  • Microsoft Endpoint Configuration Manager (MECM)…

    Amentum (Warrenton, VA)
    …program is to support, operate, and maintain the Distributed Continuity Integrated Network - Top Secret Enterprise Services (DCIN- TS ES) which is a ... and data, global communications network that facilitates collaboration among senior leaders and key staff. The Lone Wolf program...team in a dynamic environment **Clearance Required:** + Active Top - Secret clearance with SCI or TS more
    Amentum (06/27/25)
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