Information System Security Officer

Responsibilities

• Manage and maintain the cybersecurity posture of assigned information systems
• Support systems through the Risk Management Framework (RMF) lifecycle, including assessment, authorization, and continuous monitoring
• Develop, review, and maintain cybersecurity documentation, including System Security Plans (SSPs)
• Identify security risks, recommend mitigations, and support vulnerability remediation efforts
• Design, implement, and assess security controls to ensure system confidentiality, integrity, and availability
• Support system hardening, compliance activities, and secure architecture initiatives
• Contribute to Zero Trust and cybersecurity modernization efforts
• Provide cybersecurity guidance to engineers, system owners, and mission stakeholders
• Support audits, inspections, and security assessments

Requirements

• 5+ years of experience in cybersecurity, information assurance, or cybersecurity engineering
• Strong knowledge of Risk Management Framework (RMF) and security authorization processes
• Experience supporting classified environments and maintaining cybersecurity compliance
• Experience reviewing and maintaining System Security Plans (SSPs)
• Active TS/SCI with Polygraph required
• DoD 8570 IAM Level II certification (CAP, CASP+, CISM, CISSP, GSLC, or CCISO)

Preferred Qualifications

• Experience with DoD cybersecurity programs
• Experience with Xacta 360 and/or eMASS
• Knowledge of Zero Trust architectures
• Familiarity with AWS, ACAS, VMware, WSUS, STIGs, and IAVAs

About the Company

SIXGEN delivers agile, mission-ready cybersecurity solutions that empower government and critical infrastructure organizations to stay ahead of advanced cyber threats.