• Network Systems 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 technical… more
    Nightwing (06/11/25)
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  • Senior Cyber Network Engineer

    CACI International (Chantilly, VA)
    Senior Cyber Network Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee ... **The Opportunity:** Join our team as a Senior Principal Cyber Network Engineer in Chantilly,...Perform engineering support and system administration of applications and systems + Provide Tier 2/3 maintenance and engineering support… more
    CACI International (06/23/25)
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  • Cyber Network Security…

    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: ... complex queries and modifying schemas (eg Oracle, MySQL). + Experience in a cyber -security role + Experience configuring network devices (eg routers, switches,… more
    CACI International (05/08/25)
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  • Cyber Network Emulation…

    CACI International (Chantilly, VA)
    Cyber Network Emulation Engineer Job...intelligence systems ? CACI is seeking a talented Network Emulation Engineer to join our team in ... Herndon, VA. If chosen, as a Network Emulation Engineer , you will bring specific...familiarity with multiple vendor products o Computer, server, and network security troubleshooting * Understanding of computer systems more
    CACI International (07/08/25)
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  • Principal /Sr. Principal Cyber

    Northrop Grumman (Fairfax, VA)
    …best work of your career. We are looking for you to join our team as a Principal Cyber Systems Engineer or Sr. Principal Cyber Systems Engineer ... shared mission, we'll support you with expanding your personal network and developing skills, whether you are new to...This requisition may be filled at either a Principal Cyber Systems Engineer or Sr.… more
    Northrop Grumman (06/03/25)
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  • Cyber Linux Engineer

    CACI International (Chantilly, VA)
    … to support our intel government client systems . CACI is seeking a Cyber Engineer with a flare for Linux Administration responsible for delivery of ... Cyber Linux Engineer Job Category: Engineering... Cyber Linux Engineer Job Category: Engineering Time Type: Full time...contextual and timely log data from network devices and systems across our enterprise.… more
    CACI International (06/20/25)
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  • Cyber Security Engineer , Mid-Sr.

    GovCIO (Fairfax, VA)
    **Overview** GovCIO is seeking an experienced Cyber Security Engineer to lead and enhance our organization's corporate cybersecurity program. This role is ... into system designs and business processes. + Leverage technical knowledge of computer systems and networks with cyber threat information to assess the company's… more
    GovCIO (06/27/25)
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  • Principal Cyber Engineer

    Leidos (Chantilly, VA)
    …Solutions Division (MDS) within the Leidos National Security Sector is seeking a skilled Principal Cyber Engineer to join a new cyber security program and ... services and mission software capabilities in the areas of cyber , logistics, security operations, and decision analytics to support...play a key role in supporting government-critical systems . You will be part of a program that… more
    Leidos (06/30/25)
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  • Cyber Security Engineer

    Nightwing (Herndon, VA)
    Nightwing provides technically advanced full-spectrum cyber , data operations, systems integration and intelligence mission support services to meet our ... Day 1** Nightwing is seeking talented candidates for a Cyber Security Engineer to support a global...or more of the following certifications: o Certified Information Systems Security Professional (CISSP) o Cisco Certified Network more
    Nightwing (06/24/25)
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  • Cyber Security Engineer (SME)

    Leidos (Reston, VA)
    …for protecting the customer's information systems and networks from potential cyber -attacks. The Cyber Security Engineer must display an excellent ... **Description** **Leidos** has a new and exciting opportunity for Cyber Security Engineer SME in our **National...to security related events and assist in remediation effortsof cyber security incidents (system and/or network breaches,… more
    Leidos (06/11/25)
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  • Senior Cyber Capability Developer (Reverse…

    Leidos (Lorton, VA)
    …The National Security Sector (NSS) has a new and exciting opportunity for a Senior Cyber Capability Developer (Reverse Engineer ) in our Cyber & Analytics ... of an upcoming contract award! **What you'll be doing:** + The Senior Cyber Capability Developer (Reverse Engineer ) is an accomplished technical professional… more
    Leidos (06/08/25)
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  • Cybersecurity Engineer

    ManTech (Herndon, VA)
    …you will be responsible for maintaining the security posture of our network infrastructure, systems , and data. The Cyber Engineer plays a key role in ... The ideal candidate will have a strong understanding of network security principles, experience with various security tools, and...a proactive approach to identifying and mitigating risks. The Cyber Security Engineer reports directly to the… more
    ManTech (06/12/25)
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  • Cyber Security Engineer

    Acclaim Technical Services (Reston, VA)
    …role is responsible for protecting information systems and networks from potential cyber -attacks. The Cyber Security Engineer must display an excellent ... and continues to grow. We are actively hiring a Cyber Security Engineer to join our Mission...security related events and assist in remediation efforts of cyber security incidents (system and/or network breaches,… more
    Acclaim Technical Services (07/06/25)
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  • Principal Cyber Engineer

    Leidos (Chantilly, VA)
    …Solutions Division (MDS) within the Leidos National Security Sector is seeking a skilled Principal Cyber Engineer to join a new cyber security program and ... services and mission software capabilities in the areas of cyber , logistics, security operations, and decision analytics to support...play a key role in supporting government-critical systems . You will be part of a program that… more
    Leidos (06/28/25)
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  • Cyber Engineer

    Leidos (Chantilly, VA)
    …Multi-domain Solutions Division (MDS) within the Leidos National Security Sector is seeking a skilled Cyber Engineer to join a new cyber security program and ... Design, implement, and maintain security solutions that protect networks, systems , and data from cyber threats. +...threats. + Apply a strong technical background in cybersecurity, network security, and risk mitigation strategies. + Play a… more
    Leidos (06/28/25)
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  • Principal Cyber Security Engineer

    ManTech (Chantilly, VA)
    **ManTech seeks a motivated, career and customer-oriented Principal Cyber Security Engineer ** to join our team in **Chantilly, VA** . This role offers the ... a critical cyber mission by maintaining and enhancing perimeter protection systems in a dynamic environment. **Responsibilities include but are not limited to:**… more
    ManTech (06/25/25)
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  • Cyber Software Engineer

    CACI International (Chantilly, VA)
    Cyber Software Engineer Job Category: Engineering...to engage with your co-workers and expand your career network . We are a fun, engaging environment with a ... department with an expanding range of programs focusing on Cyber Operations, where you get to grow on and...Professional experience and demonstrated ability with at least one systems -level programming language, such as: GoLang, C++, C *… more
    CACI International (06/25/25)
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  • Cyber Security Project Engineer

    ABBTECH Professional Resources, Inc. (Chantilly, VA)
    **Position: Cyber Security Project Engineer ** **Location: Chantilly** **Clearance: TS/SCI w/FSP** **Salary- 230k-245k/yr** _The above salary range represents the ... experience with the Customer's A&A process. Demonstrated experience leading systems /applications through the Customer's Cyber Security process. Demonstrated… more
    ABBTECH Professional Resources, Inc. (07/03/25)
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  • Cyber Software Engineer

    CACI International (Chantilly, VA)
    Cyber Software Engineer Job Category: Engineering...to engage with your co-workers and expand your career network . We are a fun, engaging environment with a ... department with an expanding range of programs focusing on Cyber Operations, where you get to grow on and...system experts with a joint task of developing web-based systems that improve efficiency, usability, automation and standardization for… more
    CACI International (07/10/25)
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  • Principal Cyber Security Engineer

    ManTech (Chantilly, VA)
    **Mantech** seeks a motivated and customer-focused **Principal Cyber Security Engineer ** to join our team in **Chantilly, VA** . In this role, you will help ... . Bachelor's degree, or an additional 4+ years of cyber experience in lieu of a degree . 7+...systems (IPS), antivirus solutions, application firewalls, high availability systems , network management tools, and virtualization platforms… more
    ManTech (06/28/25)
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