• Cyber Network Security Engineer

    CACI International (Chantilly, VA)
    Cyber Network Security Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: ... and improving the defensive postures of our sponsors. You'll evaluate tools and methodologies, assess adversary intent, develop cybersecurity analytics and other… more
    CACI International (08/08/25)
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  • Casual Technical Professional ( Cyber

    Northrop Grumman (Fairfax, VA)
    …best work of your career. We are looking for you to join our team as a ** Cyber Software Test Engineer ** based out of **Chantilly, VA** . Do you enjoy learning ... cutting-edge services for our customers? Are you a test engineer who focuses on quality, takes pride in finding...test team in a dynamic, fast-paced environment learning new tools and processes. + Test new software applications in… more
    Northrop Grumman (09/05/25)
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  • Cyber Security Project Engineer

    SAIC (Chantilly, VA)
    …Intel Business Group, USG Mission and Information Technology Division, is seeking a ** Cyber Security Project Engineer ** to maintain and enhance an existing ... position is currently located in **Chantilly, VA** and requires an **active TS /SCI clearance with Polygraph** . Job responsibilities include, but are not limited… more
    SAIC (09/24/25)
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  • System Engineer (Debian) - Cyber

    CACI International (Chantilly, VA)
    …security objectives and department programs. **Qualifications:** _Required:_ + Active Top Secret /Sensitive Compartmented Information ( TS /SCI) clearance, ... System Engineer (Debian) - Cyber Operations Job...Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular Percentage of Travel… more
    CACI International (07/25/25)
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  • Cyber Security Engineer

    General Dynamics Information Technology (Springfield, VA)
    …of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** Cyber and IT Risk ... There is no challenge we can't turn into opportunity. Our work depends on TS /SCI level cleared Cybersecurity Engineer joining our team to support our Department… more
    General Dynamics Information Technology (09/17/25)
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  • Senior Principal Cyber Systems…

    BigBear.ai (Herndon, VA)
    …automate installations of COTS of GOTS container builds to the architecture + DevOps Tool Integration + Help integrate with various tools for the DevOps process ... Overview BigBear.ai is looking for a Systems Engineer to join our support team. The candidate...position is on-site in Herndon, VA, and requires a TS /SCI with Polygraph. BigBear.ai helps people make sense of… more
    BigBear.ai (10/01/25)
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  • SkillBridge Research Engineer

    RTX Corporation (Arlington, VA)
    …only US citizens are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Top Secret For over 70 years, RTX BBN Technologies (BBN) has ... Strong verbal and written communication skills in relevant technology topics + Active Top Secret security clearance Qualifications We Prefer - Familiar with all,… more
    RTX Corporation (09/19/25)
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  • Cyber Software Test Engineer

    Northrop Grumman (Chantilly, VA)
    …theories, concepts, and techniques **Preferred Qualifications for both levels:** + Active Top Secret /SCI security clearance + Software development experience. + ... is seeking a candidate to fill a **Software Test Engineer / Principal Software Test Engineer ** position....+ Willing and able to obtain and maintain a TS /SCI Security Clearance (US citizenship is a pre-requisite) +… more
    Northrop Grumman (09/25/25)
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  • Cybersecurity Engineer

    ManTech (Herndon, VA)
    …for maintaining the security posture of our network infrastructure, systems, and data. The Cyber Engineer plays a key role in incident response, threat hunting, ... a proactive approach to identifying and mitigating risks. The Cyber Security Engineer reports directly to the... security and engineering + IAT/IAM III + Active Secret clearance with eligibility for TS **Preferred… more
    ManTech (09/11/25)
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  • Senior Cybersecurity Engineer

    ManTech (Herndon, VA)
    **ManTech** seeks a motivated, career and customer-oriented **Senior** ** Cyber Security Engineer ** to join our team in the **DC, Maryland, and Virginia (DMV) ... and availability events. You will monitor email queues and tool alerts to identify issues in advance. You will...are not limited to:** + Conduct in-depth analysis of cyber security tools , applications, and methodology to… more
    ManTech (08/19/25)
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