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Information System Security Officer with Security Clearance

Job in Huntsville, Madison County, Alabama, 35806, USA
Listing for: Leidos
Full Time position
Listed on 2026-08-17
Job specializations:
  • IT/Tech
    Cybersecurity, Information Security & Data Protection
Job Description & How to Apply Below
R
- Description Leidos Dynetics, within the Digital Sector, is seeking a talented Information System Security Officer (ISSO) to join a diverse team to create unique solutions for complex problems. With offices across the United States engaging in the defense, space, cyber and commercial fields, Leidos Dynetics provides responsive, cost-effective engineering, scientific and IT solutions. The Information System Security Officer (ISSO) will support the cybersecurity compliance and operational security of DoD classified information systems operating within a SIPRNet environment.

Working under the direction of the Information System Security Manager (ISSM), you will assist in maintaining Authorization to Operate (ATO) compliance, supporting Risk Management Framework (RMF) activities, preparing for DCSA Cyber Operational Readiness Assessments (CORA), and partnering with Information Technology teams to maintain secure and compliant classified information systems. Primary Responsibilities In this role, your primary duties will consist of managing the day-to-day compliance of our classified information system for SIPRNet and maintaining the ATO by:
* Perform routine cybersecurity compliance assessments and security audits to verify compliance with NIST RMF, DCSA DAAG, NISPOM, and organizational security policies.
* Perform in Risk Management Framework (RMF) authorization process by developing and maintaining artifacts for the IS Body of Evidence (BoE).
* Review security-relevant Configuration Management (CM) changes and participate in Change Control Board (CCB) activities to ensure security requirements are maintained throughout the system lifecycle.
* Perform sanitization and release of hardware in accordance with security policies or Authorizing Official (AO) guidance.
* Perform security control assessments, vulnerability analysis, and STIG compliance reviews using approved assessment tools.
* Maintain security authorization artifacts within eMASS and support continuous monitoring activities throughout the system lifecycle.
* Assess and monitor system compliance, auditing, security plan development and delivering information systems security education and awareness
* Investigating information system security violations and help prepare reports specifying corrective and preventative actions
* Conduct technical and administrative assessments
* Integrate new cybersecurity processes, procedures, and tools
* Support the creation, review and update of cybersecurity documentation and other technical writing
* Review audit logs, vulnerability scan results, and security events to identify compliance issues and coordinate corrective actions.
* Coordinate closely with System Administrators, Network Engineers, Program Management, and Physical Security personnel to ensure cybersecurity requirements are integrated into daily operations.
* Cyber Operational Readiness Assessment (CORA) inspection preparation Basic Qualifications
* Must currently hold an active DoD Secret clearance with eligibility to obtain Top Secret.
* Bachelor's degree with 4+ years of relevant experience, or Master's degree with 2+ years of experience. Additional relevant experience may be considered in lieu of a degree Relevant Experience Considered (experience in one or more of the following):
* Cybersecurity
* Information Assurance
* Information Technology
* Systems Administration
* Systems Security
* RMF Compliance
* Vulnerability Management
* Information System Auditing
* Must possess one or more industry certifications aligned with the applicable DoD 8140/DoD Cyber Workforce Framework (DCWF) work role (for example, CompTIA Security+, CySA+, CISSP, CISM or equivalent), or the ability to otherwise satisfy DoD 8140 qualification requirements through approved education, training, or experience.
* Compliance-based auditing using the Risk Management Framework (RMF), DCSA Assessment and Authorization Guide (DAAG), National Industrial Security Program Operating Manual (NISPOM)
* Experience working with and/or supporting computer technologies (such as databases, operating systems, computer network hardware, software programs, hardware…
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