• Network Security Engineer

    BOOZ, ALLEN & HAMILTON, INC. (Reston, VA)
    … solutions to support our country and protect our nation? As a systems security and network security engineer , you will be responsible for the enterprise ... Network Security Engineer The Opportunity: Are you...IT projects and activities + DoD 8570 IAT Level II Certification, including Security + CE, CCNA- Security more
    BOOZ, ALLEN & HAMILTON, INC. (12/21/25)
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  • Lead Information Security Engineer

    Lumen (Herndon, VA)
    …worldwide DDoS threats and issue posture and assessment reports This Lead Information Security Engineer position operates in a supportive role implementing ... event management functions - monitoring, detection, triage of security events and alerts in associated monitoring systems...for the Lumen managed DDoS product. The Lead Information Security Engineer is expected to perform as… more
    Lumen (12/10/25)
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  • Senior Cyber Security Engineer

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented **Senior Cyber Security Engineer ** to join our team in **Chantilly, VA.** This role supports a ... systems . + Strong understanding of Windows and Linux systems , operating system security principles, TCP/IP networking,...security concepts. + Must possess an IAT Level II certification (GSEC, Security +, SSCP, or CCNA-… more
    ManTech (12/13/25)
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  • Cyber Security Engineer (Elastic…

    CACI International (Hampton, VA)
    Cyber Security Engineer (Elastic SME) Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: ... **The Opportunity:** Join our dynamic team as a Cyber Security Engineer at the DCGS Management Center...of our Elasticsearch cluster, ensuring the health, status, and security monitoring of our systems . If you… more
    CACI International (12/24/25)
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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 supports the ... work alongside cyber experts to develop solutions that enhance network compliance and security posture across DoD systems . **Responsibilities include but are not… more
    ManTech (12/13/25)
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  • Senior Specialist, Systems Network…

    L3Harris (Herndon, VA)
    …domains in the interest of national security . Job Title: Sr. Specialist, Systems Network Engineer Job Code: 31086 Job Location: Herndon, Virginia (On-Site) ... employees, with customers in more than 100 countries. Job Description: The Systems Network Engineer will provide networking support to multiple environments… more
    L3Harris (11/20/25)
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  • Senior Splunk Cyber Security

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career, and customer-oriented **Senior Splunk Cyber Security Engineer ** to join our team in **Chantilly, VA.** In this role, you ... play a key role in maintaining and tuning Splunk systems , while collaborating with technical teams and cyber analysts...Unix and Windows environments + DoD 8570 IAT Level II certification (eg, Security +, CCNA- Security ,… more
    ManTech (12/30/25)
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  • Systems Engineer 4

    M. C. Dean (Vienna, VA)
    …industries. We are seeking a **System Engineer 4** to join our ** Security and Electronic Systems (SES)** business Unit. As part of **(SES)** Strategic ... required with the provision of SE services for physical security systems and IT solutions. + Experience...Python, JSON, Bash, etc. + Meet DoD 8570 IAT Level- II requirements. + Strong Oral, Written and Presentation Skills… more
    M. C. Dean (12/30/25)
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  • Expert Security Engineer

    Amentum (Springfield, VA)
    …, & Intel space? If so, look no further. Amentum is seeking an **Expert Security Engineer ** to join our team of passionate individuals in **Springfield, VA** . ... matter expert (SME) and will manage the execution of systems security activities for multiple applications. *...Security Professional (CISSP), CompTIA CASP, or other IAT II Certification * Extensive experience with Security more
    Amentum (11/14/25)
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  • Cyber Systems Engineer Senior

    General Dynamics Information Technology (Springfield, VA)
    …we can't turn into opportunity. And our work depends on TS/SCI level cleared **Cyber Systems Engineer lll - ECDS** joining our team to support our Intelligence ... **Job Family:** Intelligence Operations and Analysis **Skills:** Cross Domain (Inactive), Security System Design, Systems Engineering **Experience:** 5 + years… more
    General Dynamics Information Technology (12/30/25)
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