• IDS / IPS Engineer - Active TS/SCI with CI…

    ENS Solutions (Reston, VA)
    We are seeking an experienced Network Intrusion Detection Engineer to join our cybersecurity team. The ideal candidate must possess strong Linux engineering ... (NDR) solutions, including Trellix/FireEye, Corelight, Endace, Vectra AI, Dark Trace, Cisco Security Network Analytics, Open XDR, Fortinet FortiNDR, Trend… more
    ENS Solutions (12/14/25)
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  • Senior Principal Cyber Security Engineer

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented **Senior Principal Cyber Security Engineer ** to join our team in **Chantilly, VA.** This role supports ... **Responsibilities include but are not limited to:** + You will engineer , design, implement, integrate, and sustain Comply-to-Connect (C2C) deployment support to… more
    ManTech (12/13/25)
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  • Lead LAN/WAN Engineer

    CACI International (Reston, VA)
    Lead LAN/WAN Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular ... Opportunity:** CACI has an excellent opportunity for an experienced Lead LAN/WAN Engineer who will provide expert Design, analysis, research, and operation support… more
    CACI International (11/08/25)
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  • OT/ICS Cybersecurity Engineer (Operational…

    Jacobs (Richmond, VA)
    …Zero Trust Architecture Preferred: * IAT Level II Certification (Security+, GICSP) * Cisco CCNA, Fortinet NSE-4, JNCIA or equivalent network certification * ... engineering firms in the world? As the OT/ICS Cybersecurity Engineer (mid level), you'll work at the forefront of...include 3rd party technologies that ensure that system and network data is visible and secure. In this role,… more
    Jacobs (10/28/25)
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  • Hardware Engineer

    Nightwing (Sterling, VA)
    …are also beneficial. Desired Certs: + CompTIA Hardware Certification (eg, A+, Network +, Server+). + Cisco Certifications (eg, CCNA, CCDP). + Microsoft ... intelligence community, defense, civil, and commercial markets. Job Title: Hardware Engineer Location: Sterling, VA Clearance: TS/SCI Poly **This position is… more
    Nightwing (12/26/25)
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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 ... **Responsibilities include but are not limited to:** + You will engineer , design, implement, integrate, and sustain Comply-to-Connect (C2C) deployment support to… more
    ManTech (12/13/25)
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  • IT Infrastructure Engineer

    SAIC (Chantilly, VA)
    …+ Cloud Provider certification(s) such as AWS/Azure Solution Architect. + CompTIA, Cisco , or other industry network engineering certifications. + Familiarity ... engineering & integration and more. This position is for an IT Infrastructure Engineer for a large contract supporting a cutting-edge and innovative space program.… more
    SAIC (11/14/25)
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  • Cloud Support Engineer

    ManTech (Vienna, VA)
    …experience + AWS Solutions Architect Associate, Azure Administrator, Google Cloud Engineer , Cisco CCNA, CompTIA Linux+ Professional, Azure Solutions Architect ... **MANTECH** seeks a skilled and mission-focused **Cloud Support Engineer (CSE)** to join our team in **Tysons,...0.5 years' experience + CompTIA Security+, ITIL Foundation, CompTIA Network +, or CompTIA A+: each may substitute 1 year… more
    ManTech (01/07/26)
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  • Senior Infrastructure and ServiceNow…

    Virtual Service Operations (Alexandria, VA)
    …of relevant, professional experience + ServiceNow administration and configuration + Firewall and network security tools (eg, Palo Alto, Fortinet, Cisco ASA) + ... Senior Infrastructure and ServiceNow Engineer in Alexandria, VA * Alexandria, VA (http://maps.google.com/maps?q=Alexandria+VA+USA) Description Are you looking to… more
    Virtual Service Operations (12/17/25)
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  • Telecommunications Field Engineer

    CACI International (Herndon, VA)
    Telecommunications Field Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: ... CACI has an immediate opportunity for a senior level **Telecommunications Field Engineer ** with a TS/SCI Poly clearance. **Responsibilities:** + Field Engineers must… more
    CACI International (11/19/25)
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