• Security / Firewall Network

    Koniag Government Services (Chantilly, VA)
    **Koniag Data Solutions, LLC** a Koniag Government Services company, is seeking Security / Firewall Network Engineer to support KDS and our government ... and cloud firewall + Investigate and resolve network security incidents, identifying and mitigating threats...on-call rotation/support to respond to network and firewall incidents. ** Firewall Engineer Qualifications:**… more
    Koniag Government Services (09/04/25)
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  • Network Firewall Engineer

    CACI International (Sterling, VA)
    Network Firewall Engineer Job... technologies + Participate in on-call rotation for critical firewall and network security incidents ... Opportunity** : We are seeking a skilled and detail-oriented Network Firewall Technician to support the implementation,...proper integration of firewall systems with other network components + Stay current with emerging security more
    CACI International (10/25/25)
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  • Sr. Core Network Engineer

    Leidos (Chantilly, VA)
    … concepts and best practices, including: Identifying misconfiguration, conflicting rules, security gaps, firewall security issues, optimize rule-sets, ... **Description** **The Digital Modernization Sector at Leidos** is seeking a Sr. Network ** Engineer ** to support our global enterprise networks. Our team is… more
    Leidos (08/08/25)
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  • Senior Network Engineer

    Nightwing (Sterling, VA)
    Engineer ** to support implementation and sustainment of enterprise network solutions in a high- security environment. If you're hands-on, collaborative, ... mission systems and secure enclave operations **Preferred Certs:** CCNP, Azure Network Engineer Associate, or equivalent **Tools & Platforms… more
    Nightwing (09/17/25)
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  • Network Engineer , TS/SCI…

    General Dynamics Information Technology (Chantilly, VA)
    …hardening the solutions to address security and SCAP compliance. **How a Network Engineer Will Make an Impact:** + Administer, operate, manage and maintain ... **US Citizenship Required:** Yes **Job Description:** Transform technology into opportunity as a ** Network Engineer ** with GDIT. A career in enterprise IT means… more
    General Dynamics Information Technology (10/31/25)
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  • Network Engineer 3

    M. C. Dean (Chantilly, VA)
    …electrical, engineering, and cybersecurity industries. We are seeking a ** Network Engineer 3** to join our ** Security and Electronic Systems (SES)** business ... vulnerabilities + Monitors, reviews, analyzes, performance tunes, and make recommendations to optimize network + Manages firewall security appliances + Keeps… more
    M. C. Dean (10/23/25)
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  • NCIS Network Engineer | Active…

    General Dynamics Information Technology (Quantico, VA)
    …Bring your engineering expertise along with a drive for innovation to GDIT. The Senior Network Engineer must have: + ** Security Clearance Level:** Active Top ... Required:** Yes **Job Description:** Transform technology into opportunity as a **Senior Network Engineer ** at GDIT. Shape what's next for mission-critical… more
    General Dynamics Information Technology (10/11/25)
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  • Network Engineer - Subject Matter…

    Noblis (Chantilly, VA)
    …implementation of network protocols (TCP/IP, DNS, DHCP, HTTP/S) with security hardening + Next-generation firewall configuration and management for TS/SCI ... Responsibilities As a Network Engineer SME, you will provide...enclave protection and isolation. + Create and maintain comprehensive network security strategies for classified environments. +… more
    Noblis (10/30/25)
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  • Network Engineer

    CACI International (Sterling, VA)
    Network Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: None Employee Type: Regular Percentage of Travel ... is currently looking for a motivated, career and customer-oriented Network Engineer with Agile methodology experience to...Development and hardware integration for the Department of Homeland Security (DHS). As a member of the ITI2.1 Team,… more
    CACI International (08/08/25)
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  • Sr Principal Cybersecurity Analyst/ Network

    Northrop Grumman (Chantilly, VA)
    …of customer mission needs. + Maintain, evaluate, test, and apply STIG configurations for network devices. + Respond to security findings and Break Fix events ... routing protocols + Firm understanding of Juniper JunOS commands and or firewall concepts + Previous experience troubleshooting network procedures and best… more
    Northrop Grumman (10/02/25)
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  • Network Engineer (TS/SCI with Poly…

    General Dynamics Information Technology (Warrenton, VA)
    …related experience **US Citizenship Required:** Yes **Job Description:** **JOB DESCRIPTION** The Network Engineer will be responsible for maintaining the design ... None **Job Family:** IT Infrastructure and Operations **Skills:** Enterprise Network ,Leadership,Microsoft Access, Network Architecture, Security Clearances **Experience:**… more
    General Dynamics Information Technology (10/01/25)
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  • Sr. O&M Network Engineer

    Leidos (Chantilly, VA)
    …switching, Internet Protocol (IP) subnet, Network Address Translation (NAT) and security technologies. + Demonstrated ability to engineer and modify rulesets ... Sector at Leidos is seeking a Tier III O&M Network Engineer to support the customer's various...Not required but experience with Palo Alto, Cisco Adaptive Security Appliance (ASA), and Forcepoint firewall equipment… more
    Leidos (09/02/25)
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  • Senior Network Engineer

    Noblis (Chantilly, VA)
    Responsibilities As a Senior Network Engineer , you will design, install, maintain, and evaluate network systems and communications. You will gather user ... implementation, VPN technologies, and software-defined networking. + Experience with Network security principles and practices, monitoring and troubleshooting… more
    Noblis (09/03/25)
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  • Information System Security Engineer

    Assertive Professionals (Chantilly, VA)
    Information System Security Engineer (ISSE) About the Organization Established in 2015,AssertiveProfessionals(AP), is anEconomically Disadvantaged Woman Owned ... Polygraph Timeline Pipeline Description Assertive Professionalsis seeking anInformation System Security Engineer (ISSE) with Poygraph supporting ourNational … more
    Assertive Professionals (10/09/25)
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  • Cyber Operations Engineer

    CACI International (Chantilly, VA)
    …and analysis * Network analysis to understand target networks and developing network maps * Profiling network security posture and technical overwatch ... Cyber Operations Engineer Job Category: Engineering Time Type: Full time...firewall configuration for VDI infrastructure * Experience implementing security standards in a fast-paced operational environment * 5+… more
    CACI International (08/08/25)
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  • Platform/Infrastructure Engineer

    Nightwing (Sterling, VA)
    …of Linux and/or Windows Server operating systems. + Networking: Knowledge of network protocols, routing, and firewall configurations. + Scripting: Proficiency in ... community, defense, civil, and commercial markets. Job Title: Platform/Infrastructure Engineer Location: Sterling, VA Clearance: TS/SCI Poly **This position is… more
    Nightwing (09/26/25)
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  • Core/WAN Network Lead

    CACI International (Sterling, VA)
    …NetOne, HP Network Node Manager, etc.) + Experience with CISCO firewall /VPN equipment (Adaptive Security Appliance, etc) + Experience with supporting IP ... and maintenance of complex, global enterprise networks. The Senior Network Engineer will act as a key...standardization and industry best practices + Follows all Customer network security processes and procedures, ensures compliance… more
    CACI International (10/24/25)
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  • Core/WAN Network - Tier 3

    CACI International (Sterling, VA)
    …OPNET NetOne, HP Network Node Manager, etc.) + Experience with CISCO firewall /VPN equipment (Adaptive Security Appliance, etc) - ** ** **What You Can ... and maintenance of complex, global enterprise networks. The Senior Network Engineer will act as a key...standardization and industry best practices + Follows all Customer network security processes and procedures, ensures compliance… more
    CACI International (10/25/25)
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