• Security Infrastructure Engineer

    Leidos (Alexandria, VA)
    **Description** As a Security Engineer on our team, you will operate and maintain network security infrastructure utilized by a team of cybersecurity ... procedures and tactics, techniques, and procedures (TTPs) + Maintain complete and current network and elevation diagrams for all managed security equipment +… more
    Leidos (11/15/25)
    - Related Jobs
  • Senior Security Engineer

    CoStar Realty Information, Inc. (Arlington, VA)
    Senior Security Engineer Job Description **Overview** CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate ... section grows, so will the tools and the **Senior Security Engineer ** will be the person charged...response functions and reporting of findings + Review technical security posture ( network , application, database) for existing… more
    CoStar Realty Information, Inc. (10/24/25)
    - Related Jobs
  • Security Software Engineer - Red…

    Imagine One Technology & Management (Dahlgren, VA)
    …**for this role.** Imagine One Technology & Management, Ltd. is seeking one (1) Security Software Engineer . This position is contingent upon award of the ... work and will be performed in Dahlgren, Virginia. The Security Software Engineer will be expected to:... Wireless Professional (OSWP) 2. SANS Certs: SEC560 - Network Penetration testing and Ethical Hacking (GPEN Certification), SEC542… more
    Imagine One Technology & Management (12/24/25)
    - Related Jobs
  • Senior Information System Security

    General Dynamics Information Technology (Reston, VA)
    …enterprise information systems and network architectures as an Information System Security Engineer at GDIT. Here, you'll tailor cutting-edge solutions to ... a wide range of devices. HOW AN INFORMATION SYSTEM SECURITY ENGINEER WILL MAKE AN IMPACT +...worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we… more
    General Dynamics Information Technology (11/21/25)
    - Related Jobs
  • Information Systems Security

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    **Information Systems Security Engineer (ISSE) - Senior** **Category:** Cyber Security **Main location:** United States, Virginia, Arlington **Position ... highly collaborative team to deliver state-of-the-art capabilities. The Information System Security Engineer (ISSE) designs, implements, and manages security more
    CGI Technologies and Solutions, Inc. (12/26/25)
    - Related Jobs
  • Staff Cybersecurity Analyst / Information Systems…

    Northrop Grumman (Fairfax, VA)
    …our diverse team of engineers, system administrators, and operators as a Principal Cyber Systems Engineer professional in Chantilly, VA. The successful candidate ... Possible is our commitment to missions. In rapidly changing global security environments, Northrop Grumman brings informed insights and software-secure technology to… more
    Northrop Grumman (01/10/26)
    - Related Jobs
  • Information Systems Security

    TekSynap (Chantilly, VA)
    …Review and update approved ATO as required or requested in conjunction of auditors, cyber security & Information System Security Engineers. + Coordinates ... and SCRM certificates. + Maintains responsibility for the day-to-day security operations of the system ensuring the network...team supporting the Space Development Agency. The Information Systems Security Engineer will act as liaison to… more
    TekSynap (12/06/25)
    - Related Jobs
  • Senior Security Systems Engineer

    Imagine One Technology & Management (Dahlgren, VA)
    …(HBSS). 2. Examples of engineering experience include developing secure network architectures, security design, developing engineering documentation, application ... One Technology & Management, Ltd. is seeking four (4) **Senior Security Systems Engineers** with specific experience working with Submarine-Launched Ballistic… more
    Imagine One Technology & Management (12/30/25)
    - Related Jobs
  • Security Engineer

    Zoom (Richmond, VA)
    What you can expect The Security Engineer is responsible for security design and reviews across our products and services. The ideal candidate brings broad ... obtained a Bachelor's degree in Computer Science, Information Science, Cyber Security , Computer or Electrical Engineering (or...mitigation methods. + Have good knowledge of technology and security topics including network and application … more
    Zoom (01/17/26)
    - Related Jobs
  • Security Engineer - IR Threat…

    Meta (Richmond, VA)
    …tracking and research, and working with cross-functional stakeholders to improve Meta's security posture. **Required Skills:** Security Engineer - IR ... **Summary:** Meta Security is looking for a threat intelligence investigator...a threat intelligence investigator with extensive experience in investigating cyber threats with an intelligence-driven approach. You will be… more
    Meta (01/15/26)
    - Related Jobs