• Information System Security Officer,…

    Lockheed Martin (Herndon, VA)
    …to obtain a CI polygraph\.** This position will perform duties as an Information Systems Security Officer at the Lockheed Martin Space facility in Herndon, ... Key Responsibilities of this role includes: \- Support day\-to\-day information system security operations including hardware and software implementations\. \-… more
    Lockheed Martin (01/09/26)
    - Related Jobs
  • Facility Security Officer

    Chenega Corporation (Lorton, VA)
    …processing of requested actions. * Serve as the Information System Security Manager (ISSM) for automated information systems that process classified ... Security Officer Lorton, VA Join our Talent Network Facility Security Officer Lorton, VA C-MIOS-24-004...Serve as the company's primary POC for Defense Information System for Security (DISS) and Army Centralized… more
    Chenega Corporation (12/01/25)
    - Related Jobs
  • Cyber Network Manager

    SAIC (Quantico, VA)
    …protocols + Monitor and respond to security events or vulnerabilities within lab systems + Maintain and document lab network topology and security ... manage custom OS images for lab deployments + Apply updates, manage OS-level security settings, and perform system troubleshooting + **Virtualization:** + Deploy… more
    SAIC (01/15/26)
    - Related Jobs
  • Cyber Security Architect

    DCCA (Chantilly, VA)
    …efforts for enterprise systems . * Demonstrated experience with security engineering and network engineering. * Demonstrated experience analyzing ... experience with vulnerability scanning tools. Education/Certifications: o Certified Information Systems Security Professional (CISSP) o Certified Ethical Hacker… more
    DCCA (11/21/25)
    - Related Jobs
  • Part Time Technical Security Instructor

    Cengage Group (Virginia Beach, VA)
    …current certifications from the additional list below): + CISSP (Certified Information Systems Security Professional) + CCSP (Certified Cloud Security ... and techniques + 4+ years of technical Information Technology and Information Security experience (eg Network Engineer, Security Engineer, etc.)… more
    Cengage Group (11/14/25)
    - Related Jobs
  • Security Subject Matter Expert (SME)

    General Dynamics Information Technology (Fairfax, VA)
    …and multi-cloud). You will architect, implement, and operate a Zero Trust, RMF-aligned security solutions that keep systems reliable, data protected, and the ... human and workload identities; directory hygiene and join/move/leave automation. + Network & Platform Security : Segmentation and micro-segmentation, SASE/SD-WAN… more
    General Dynamics Information Technology (01/14/26)
    - Related Jobs
  • Network Engineer - Top Secret Clearance |

    Cambridge International Systems Inc (Norfolk, VA)
    …execution. + Administer network systems : apply patches, harden systems , review logs, and ensure physical/electronic security . + Support RMF compliance ... today's most complex and critical challenges in defense and security . We are currently seeking a Network ...shape the future of secure cloud computing for national security . About Cambridge International Systems At Cambridge,… more
    Cambridge International Systems Inc (12/04/25)
    - Related Jobs
  • Network Engineer 4

    M. C. Dean (Springfield, VA)
    …industries. We are seeking a ** Network Engineer 4** to join our ** Security and Electronic Systems (SES)** business Unit. As part of **(SES)** Strategic ... in reading network installation schematics and plans + Experience in network system startup, configuration, and calibration + Experience in testing and… more
    M. C. Dean (01/08/26)
    - Related Jobs
  • Senior Security Engineer

    CoStar Realty Information, Inc. (Arlington, VA)
    …+ Lead incident response functions and reporting of findings + Review technical security posture ( network , application, database) for existing and newly acquired ... + Conduct threat hunting in the CoStar enterprise + Follow, develop and improve network and endpoint security configuration procedures + Work with other teams to… more
    CoStar Realty Information, Inc. (10/24/25)
    - Related Jobs
  • Network Management Systems (NMS)…

    CACI International (Sterling, VA)
    Network Management Systems (NMS) Lead Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph ... of Travel: Continental US * * * **The Opportunity** : We are seeking an experienced Network Management Systems (NMS) Lead to oversee and optimize our network more
    CACI International (10/25/25)
    - Related Jobs