• Senior Systems Engineer - Cybersecurity

    M. C. Dean (Vienna, VA)
    Overview Security is critical to MC Dean's IT solutions that support critical business functions. The successful candidate will join a dynamic multidiscipline team ... of our cybersecurity infrastructure. As part of the team, the **Senior Systems Engineer ** 's responsibilities will include (but will not be limited to) the… more
    M. C. Dean (08/27/25)
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  • Senior Systems Engineer - Enterprise IT…

    M. C. Dean (Vienna, VA)
    …cloud-hosted and on-premises environments. As part of the team, the **Senior Systems Engineer ** 's responsibilities will include (but will not be limited to) the ... **Researching available technology options** and their respective functional, performance, security , and interoperability characteristics; test and evaluate technology components;… more
    M. C. Dean (08/30/25)
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  • Sr Principal Cyber Systems Engineer…

    Northrop Grumman (Fairfax, VA)
    …Possible is our commitment to missions. In rapidly changing global security environments, Northrop Grumman brings informed insights and software-secure technology to ... engineers, system administrators, and operators as a Sr. Principal Cyber Systems Engineer professional in Chantilly, VA. The successful candidate will be expected to… more
    Northrop Grumman (09/10/25)
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  • Systems Engineer /Architect

    ManTech (Herndon, VA)
    **ManTech** seeks a motivated, career and customer-oriented **Midlevel Systems Engineer /Architect** to join our team in **DC, Maryland, and Virginia (DMV) area** . ... As Computer Systems Engineer /Architect, you will be responsible for the design, development,...certification + Hands-on experience with Cisco routing, switching, and firewall technology + Experience with primary network topologies, LANs,… more
    ManTech (08/21/25)
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  • WGL - Senior OT Systems Engineer

    AltaGas (Springfield, VA)
    …server infrastructure that supports the organization's OT environment. Responsible for the security , reliability, and performance of the OT environment to ensure the ... grade firewalls, switches, and routers), virtual server infrastructure, cyber security tools and technologies, identity access management systems, OT software… more
    AltaGas (08/07/25)
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  • Network Engineer (TS/SCI with Poly…

    General Dynamics Information Technology (Mclean, VA)
    …Infrastructure and Operations **Skills:** Enterprise Network,Leadership,Microsoft Access,Network Architecture, Security Clearances **Experience:** 8 + years of ... **US Citizenship Required:** Yes **Job Description:** **JOB DESCRIPTION** The Network Engineer will be responsible for maintaining the design and the integrity… more
    General Dynamics Information Technology (10/01/25)
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  • Network Engineer III

    CACI International (Springfield, VA)
    Network Engineer III Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of ... an exciting and challenging opportunity available for a Network Engineer who performs research, requirements analysis, design, installation, documentation,… more
    CACI International (09/13/25)
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  • Systems Engineer (Expert)

    BAE Systems (Herndon, VA)
    …with Windows Group Policy and configuration management + Experience with Windows security features, such as Windows Defender and firewall configuration + ... and sustainment support for critical military platforms and systems. Intelligence & Security provides services and products to the Department of Defense, the… more
    BAE Systems (09/30/25)
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  • Network Engineer

    General Dynamics Information Technology (Springfield, VA)
    …has an exciting and challenging opportunity available for a Network Engineer supporting an Intelligence Community customer's wide-area (WAN), local-area (LAN) and ... campus-area (CAN) networks across multiple security domains in Springfield, VA. Focus will be on...Juniper Secure Analytics, Infoblox, Riverbed.) + Experience with Juniper firewall /VPN equipment (SRX series) + Experience with supporting IP… more
    General Dynamics Information Technology (09/26/25)
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  • Sr Platform Engineer - Remote

    SitusAMC (Richmond, VA)
    …AWS services including EKS, EC2, RDS, Lambda, Step Functions, VPC, IAM, and security / firewall rules. \#LI-AS1 #LI-Remote Note: This job description is not ... such as EC2, EKS, AWS Lamda functions, API Gateway, and RDS. The Engineer is expected to provide strategy and implement enterprise-scale service mesh and sidecar… more
    SitusAMC (07/25/25)
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