• Senior Splunk Cyber

    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 ... tuning Splunk systems, while collaborating with technical teams and cyber analysts across a dynamic enterprise environment. **Responsibilities include, but are… more
    ManTech (12/30/25)
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  • Network Security Engineer ( Splunk

    General Dynamics Information Technology (Herndon, VA)
    …on a Network Engineer joining our highly skilled team to be a premier provider of cyber security services to the customer. **HOW A NETWORK SECURITY ENGINEER ... + Analyze and help maintain a process to coordinate improvements to the cyber security of critical infrastructure in a collaborative process with critical… more
    General Dynamics Information Technology (12/15/25)
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  • Cyber Threat Hunt Lead

    Tyto Athene (Ashburn, VA)
    …incidents + Utilize security tools to analyze, investigate, and triage security alerts + Lead and execute advanced cyber threat hunting operations ... **Description** Tyto Athene is searching for a ** Cyber Threat Hunt Team Lead** to support a...reusable hunt tactics and techniques to a team of security engineers, SIEM specialists, and SOC analysts + Conduct… more
    Tyto Athene (11/01/25)
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  • Cyber Threat Hunt Lead

    ManTech (Ashburn, VA)
    …10 years of relevant experience. + Five (5+) years of experience as a Tier III senior cyber threat hunt analyst. + Certified Ethical Hacker (CEH) OR one of the ... **MANTECH** seeks a motivated, career and customer-oriented ** Cyber Threat Hunt Lead** to join our team in **Ashburn, VA** . The ultimate purpose of this role is to… more
    ManTech (12/07/25)
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  • Senior Information System Security

    General Dynamics Information Technology (Reston, VA)
    …+ years of related experience **US Citizenship Required:** Yes **Job Description:** ** Senior ** **Information System Security ** **Engineer** Deliver security ... CI Poly + Experience with: Assured Compliance Assessment Solution (ACAS), Trellix, Splunk , and Security Technical Implementation Guide (STIG)'s. + Required… more
    General Dynamics Information Technology (11/21/25)
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  • Senior Network Engineer

    Nightwing (Sterling, VA)
    …(Cross-Applicable):** + Networking/Virtualization: Cisco UCS, Aruba Controllers, Nutanix + Security /Monitoring: Palo Alto, Rapid7, XACTA, Splunk , Snort, ... Nightwing provides technically advanced full-spectrum cyber , data operations, systems integration and intelligence mission support services to meet our customers'… more
    Nightwing (12/16/25)
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  • Senior Software Developer

    ManTech (Herndon, VA)
    …identify requirements, design applications, develop updates to existing applications, and build in cyber security to reduce the attack surface + Coordinates and ... **ManTech** seeks a motivated, career and customer-oriented ** Senior Software Developer** to join our team in the **DC, Maryland, and Virginia (DMV) area** . In this… more
    ManTech (11/21/25)
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  • Information Systems Security Officer

    Parsons Corporation (Herndon, VA)
    …75 years of experience, Parsons is uniquely qualified to deliver cyber /converged security , technology-based intellectual property, and other innovative services ... what's possible. **Job Description:** In this role as a **Information systems security Officer** you will develop, maintain, and implement information security more
    Parsons Corporation (12/17/25)
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  • Incident Response Deputy Team Lead

    Leidos (Ashburn, VA)
    …Response professional to join our team. As a leader of this highly visible cyber Security Operations Center (SOC) for US Customs and Border Protection (CBP), ... to various levels of customer leadership. + Interface with senior DHS & CBP leaders and directors to help...at minimum ONE of the following certifications:** + CompTIA Cyber Security Analyst (CySA+) + CompTIA Linux… more
    Leidos (12/03/25)
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  • Security Engineering Lead

    ManTech (Ashburn, VA)
    …administration systems and support. + At least one of the following certifications: Splunk Architect, A+, Security +, or Network+. + Proven experience installing, ... working knowledge of encryption algorithms, SIEM technologies, and embedded systems security . + Splunk experience. **Preferred Qualifications:** + Certified… more
    ManTech (12/07/25)
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  • Enterprise Logging Solution Lead

    ManTech (Ashburn, VA)
    …the Information Technology field. + Seven (7+) years of experience serving as a senior Certified Splunk Architect. + Experience in an enterprise IT environment ... and structural organization necessary to rapidly implement critical, high-impact security solutions that directly protect the Nation's digital borders while… more
    ManTech (12/07/25)
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  • ABAD Cross Domain Solutions (CDS) Engineer **This…

    Parsons Corporation (Centreville, VA)
    …lifecycle of a CDS. You will contribute to the engineering, integration, cyber - security assessment, and sustainment support for Department of Defense (DoD) ... relevant to CDS (AC-4, AC-17, AU-2/6/12, SC-7, SC-18, SI-3/4/7, etc.) + DoD cyber tools (ACAS, HBSS/EDR, Splunk , Elastic, Wireshark) + Network protocols,… more
    Parsons Corporation (12/19/25)
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  • Software Developer/SME

    Amentum (Chantilly, VA)
    Are you interested in using your skills to help shape the Cyber , Security , & Intel space? If so, look no further. Amentum is seeking a **Software Developer** to ... projects that make a direct impact on the Nation's security and intelligence mission. **Your Impact:** We are seeking...**Your Impact:** We are seeking a talented and experienced Senior Software Engineer to join our dynamic team. The… more
    Amentum (10/27/25)
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  • ForeScout Engineer - Active TS/SCI with CI Poly

    ENS Solutions (Reston, VA)
    …clients. You'll perform hands-on evaluation, implementation, and operation of leading security cyber defense tools and technologies, and apply in-depth ... of security with a wide variety of audiences, including senior management. + Manage infrastructure and cybersecurity controls, including enhanced detection and… more
    ENS Solutions (12/06/25)
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  • Sr. Director Core Infrastructure Operations

    Parsons Corporation (Centreville, VA)
    …monitoring with Service Desk tools for incident, change, and problem management. + ** Security & Compliance (in partnership with Cyber )** + Ensure network ... AWS/Azure networking; ITIL 4; SRE Foundations; platform certs (eg, Datadog/Dynatrace/ Splunk ). ** Security Clearance Requirement:** None This position is… more
    Parsons Corporation (01/08/26)
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  • Cybersecurity Engineer - Zero Trust

    CACI International (Chantilly, VA)
    …Type of Travel: Local * * * **The Opportunity:** Join our team as a Senior System Engineer in Data Security , supporting our prestigious engineering client. In ... across programs, working alongside dedicated peers who are committed to advancing national security . We offer paid cyber events and training, including Capture… more
    CACI International (12/05/25)
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  • Executive Director, Program Manager

    ManTech (Ashburn, VA)
    …leadership and structural organization to rapidly implement critical, high-impact security solutions that directly protect the Nation's digital borders while ... ensuring continuous, compliant contract delivery for 24x7x365 network, cyber , and cloud services. **Responsibilities include but are not limited to:** + Serve as the… more
    ManTech (12/07/25)
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