Cybersecurity Systems Engineer, Information System Security Officer (ISSO) with an active TS/SCI with a Full Scope Polygraph Security Clearance Required, Onsite As a Cybersecurity Systems Engineer, Information System Security Officer (ISSO), you will play a key role in securing complex systems, ensuring compliance with federal cybersecurity frameworks, and protecting sensitive information.  Possession of DoD 8570 IAM Level 1 or higher certification is required.  Candidates must have an active TS/SCI with a Full Scope Polygraph security clearance.  This is a 100% Onsite position and not open for Hybrid and/or Remote. Cybersecurity Systems Engineer Responsibilities: - Serve as the Information Systems Security Approval Authority for systems under your control.- Provide technical and compliance support for the organization’s Information Assurance (IA) program.- Plan, coordinate, and enforce IT security programs across various systems and projects.- Maintain the operational security posture for mission-critical information systems.- Develop and enforce information system security policies, standards, and methodologies.- Support day-to-day security operations, including system monitoring and incident response.- Conduct vulnerability and risk assessments to support system Certification And Accreditation (C&A).- Evaluate security solutions to ensure they meet requirements for handling classified data.- Manage system configuration, changes, and security impact assessments.- Prepare and review key documentation including System Security Plans (SSPs), Risk Assessment Reports, Certification & Accreditation (C&A) packages, and Requirements Traceability Matrices (RTM).
