• Cyber Operations

    Leidos (Odenton, MD)
    **Description** Leidos has a current job opportunity for a Cyber Operations Countermeasures Engineer on the DISA GSM-O II program supporting the DISA ... candidate will support the DISA GSM-O II TN13 Defensive Cyber Operations (DCO) Branch. This position will...track enterprise countermeasure actions and assess the effectiveness of countermeasures on an ongoing basis. + Analyze high volumes… more
    Leidos (06/03/25)
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  • Cyber Systems Engineer

    Percival Engineering (Columbia, MD)
    …Perform traditional System Engineering and Vulnerability research with a focus on OCO (Offensive Cyber Operations ) and DCO (Defensive Cyber Operations ) ... our team does it all. If you are a Cyber Systems Engineer with a passion for...breaking the systems down into components, analyzing components/systems for cyber vulnerabilities, and developing mitigations or countermeasures more
    Percival Engineering (03/27/25)
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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, ... various security tools, and a proactive approach to identifying and mitigating risks. The Cyber Security Engineer reports directly to the Senior Cyber more
    ManTech (06/12/25)
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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) ... include but are not limited to:** + Conduct in-depth analysis of cyber security tools, applications, and methodology to maximize and optimize the enterprise… more
    ManTech (05/20/25)
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  • Cybersecurity Malware Reverse Engineer

    ManTech (Herndon, VA)
    **ManTech** seeks a motivated, career and customer-oriented **Cybersecurity Malware Reverse Engineer ** to join our team in the **DC, Maryland, and Virginia (DMV) ... for analyzing, dissecting, and understanding malicious software to develop countermeasures and enhance our cybersecurity defenses. This role requires expertise… more
    ManTech (06/12/25)
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  • Software Engineer

    Nightwing (Sterling, VA)
    Nightwing provides technically advanced full-spectrum cyber , data operations , systems integration and intelligence mission support services to meet our ... customers' most demanding challenges. Our capabilities include cyber space operations , cyber defense and resiliency, vulnerability research, ubiquitous… more
    Nightwing (03/25/25)
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  • Senior Cybersecurity Malware Reverse…

    ManTech (Herndon, VA)
    **ManTech** seeks a motivated, career and customer-oriented **Senior Cybersecurity Malware Reverse Engineer ** to join our team in the **DC, Maryland, and Virginia ... and security events to contain and mitigate incidents. You will research cyber -attacks, malware, and threat actors to determine potential impact and develop… more
    ManTech (05/16/25)
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  • Principal Systems Engineer

    Shuvel Digital (Dulles, VA)
    …and sustainment program to design, build, deliver, and operate a network operations environment including introducing new cyber capabilities to address emerging ... Job Title: Principal Systems Engineer Location: Dulles, VA - Hybrid Duration: Contract Clearance: Active Secret. Must be able to obtain DHS Suitability. Must be able… more
    Shuvel Digital (03/27/25)
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  • Specialist, Systems Engineering (Mission…

    L3Harris (Springfield, VA)
    …deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: Specialist, Systems ... Engineer - Mission Protection Specialist (Active TS/SCI w/ CI...responsible for identifying, assessing, and mitigating threats to space, cyber , and ground systems supporting US government missions. The… more
    L3Harris (06/03/25)
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  • Incident Response Analyst

    KBR (Washington, DC)
    …across a variety of high-impact cybersecurity roles-from Incident Response and Cyber Hunt to Digital Forensics, Insider Threat, Continuous Monitoring, and Red/Blue ... Team Operations . Incident Response Analyst Job Description: The Incident Response...analyst will work alongside SOC teams, forensic investigators, and cyber threat intelligence analysts to assess security events and… more
    KBR (06/10/25)
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