MetroStar
Sr.InformationSystemsSecurityOfficerII
“Sr. Information Systems Security Officer II at MetroStar. Skills: Authority to Operate (ATO), government information systems, federal cybersecurity frameworks, NIST SP 800 53, RMF, ICD 503, FISMA, FedRAMP, eMASS, Xacta. lead and support government clients through the full lifecycle of obtaining and maintaining Authority to Operate (ATO) for their information systems. assess system security posture”
What You'll Achieve.
obtaining and maintaining Authority to Operate (ATO) for their information systems; achieving and sustaining ATOs for cloud based data and application systems operating in IL5 through IL6+ environments; strengthen security posture and prevent recurrence
Industry & Context.
risk analyses; Investigate and analyze security incidents; determining root cause, scope, impact, and appropriate remediation actions
An active TS/SCI clearance with CI Polygraph
What They're Looking For.
Must Have
10+ years of cybersecurity experience, with a specialization in government information systems and Authority to Operate (ATO) support, including extensive hands‐on experience guiding systems through initial authorization and ongoing ATO sustainment, Hands on experience working with federal cybersecurity frameworks and compliance requirements, such as NIST SP 800 53, RMF, ICD 503, FISMA, FedRAMP, and security overlays, and the ability to apply these standards in real world environments, Proven experience achieving and sustaining ATOs for cloud based data and application systems operating in IL5 through IL6+ environments, supporting NIPR, SIPR, and JWICS networks, Comfort working with government ATO and risk management tools, including eMASS and Xacta, as well as vulnerability scanning and intrusion detection/prevention solutions used to support continuous monitoring and risk mitigation, A CISSP or equivalent IAT Level III certification, meeting DoD 8140 workforce requirements, An active TS/SCI clearance with CI Polygraph
What You'll Do.
lead and support government clients through the full lifecycle of obtaining and maintaining Authority to Operate (ATO) for their information systems
assess system security posture
manage compliance activities
and respond to potential security risks and incidents
ensure client systems meet stringent ATO requirements while maintaining alignment with government‐specific cybersecurity frameworks
Partner with government stakeholders to gain a deep understanding of system architectures
security requirements
and mission objectives related to achieving and sustaining Authority to Operate (ATO) in compliance with federal regulations
Perform comprehensive security assessments and risk analyses aligned with government compliance standards
identifying system vulnerabilities
and areas of risk specific to federal and classified environments
Monitor security tools
and network activity in accordance with government cybersecurity guidelines to detect suspicious behavior
or unauthorized access attempts
Collaborate with cross functional technical teams to design
and maintain government aligned security controls
intrusion detection/prevention systems
encryption mechanisms
Investigate and analyze security incidents
determining root cause
and appropriate remediation actions
and refine incident response plans
including containment
and post incident analysis to strengthen security posture and prevent recurrence
How You'll Work.
Team & Collaboration
Collaborate with cross functional technical teams
Communication Scope
ability to clearly explain cybersecurity risks, compliance requirements, and technical details to a wide range of audiences—from engineers and analysts to government leadership and non technical stakeholders
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