Information System Security Manager (ISSM

Zachary Piper Solutions is seeking an experienced Cybersecurity Information System Security Manager (ISSM) to support a U.S. Army customer in Orlando, FL (100% onsite). The Cybersecurity Information System Security Manager (ISSM) will serve as the primary lead responsible for managing the RMF lifecycle, ATO activities, & overall cybersecurity posture for multiple Army information systems supporting both CUI & classified environments. This role will partner closely with Government leadership, engineers, system owners, Authorizing Officials, & security assessors to ensure secure, compliant, & mission-ready systems throughout their lifecycle.

• Serve as the ISSM supporting 3–7 U.S. Army information systems across classified & unclassified environments
• Lead all phases of the DOD RMF lifecycle, including system authorization, continuous monitoring, & reauthorization activities
• Develop, maintain, & manage RMF authorization packages including SSPs, POA&Ms, security categorization documentation, Body of Evidence artifacts, and Con Mon documentation
• Coordinate ATO, IATT, ATO-C, & system reauthorization efforts
• Manage Con Mon, vulnerability management, STIG compliance, ACAS scan reviews, cybersecurity reporting, & corrective action tracking
• Conduct cybersecurity risk assessments and provide recommendations supporting AO risk decisions
• Coordinate SCAs & oversee remediation of assessment findings to maintain RMF compliance
• Review system architectures, authorization boundaries, network diagrams, data flows, and engineering changes to ensure continued cybersecurity compliance
• Provide cybersecurity guidance and compliance support to system owners, engineers, administrators, and Government leadership
• Prepare executive briefings, cybersecurity status reports, risk assessments, & authorization recommendations for senior Government stakeholders
• Support implementation of ZTA, cloud security initiatives, & secure system engineering best practices where applicable

• 8+ years of experience supporting DOD cybersecurity programs
• 5+ years of experience managing RMF & A&A activities within DOD environments
• Experience serving as an ISSM/ISSO supporting U.S. Army or DOD information systems
• Demonstrated experience managing multiple RMF authorization packages simultaneously through the full system lifecycle
• Strong knowledge of DOD RMF, AR 25-2, NETCOM RMF Business Rules, & cybersecurity compliance requirements
• Experience developing and maintaining SSPs, POA&Ms, Body of Evidence documentation, Con Mon artifacts, and authorization packages
• Hands-on experience with vulnerability management, STIG implementation, ACAS, SCAs, and cybersecurity compliance reporting
• Experience using eMASS, Xacta, or similar GRC tools
• Working knowledge of Microsoft Windows, Linux, virtualization technologies, enterprise networking, and cloud security principles
• Experience supporting ZTA, FedRAMP, or DoD Cloud SRG environments preferred
• Certifications preferred: CISSP, CISM, CASP+, or CCSP
• Active Top Secret security clearance required (SCI eligibility preferred)
• Bachelor's degree in Cybersecurity, Information Technology, Computer Science, Engineering, or related field

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