Jobs via Dice
Information Systems Security Manager
Jobs via Dice, St. Petersburg, Florida, United States, 33739
Leidos Chief Information Security Office is looking for an Information Systems Security Manager (ISSM) in our St. Petersburg, FL office. The ISSM will support our Defense Systems business, overseeing DCSA‑approved Collateral Information Systems and maintaining accreditation throughout the system lifecycle. In this role you will serve as the Subject Matter Expert (SME) within the Information Assurance (IA) technical domain, supporting enclaves across the enterprise.
Location Fully onsite, St. Petersburg, FL office
Clearance Active Secret Clearance with ability to obtain Top Secret
Primary Responsibilities
Protect information and maintain security controls to reduce risk.
Develop and lead Information Security projects from conceptualization to full deployment and user acceptance.
Create comprehensive training programs on information assurance, data security, cybersecurity best practices, and relevant policies and procedures.
Design training materials including manuals, operating procedures, and presentations; assign online courses and other resources.
Coordinate technical training on security tools, software, and technologies to enhance IT staff and personnel skills.
Lead training on response to security incidents, including reporting, containment, eradication, recovery, and post‑incident analysis.
Implement and manage the RMF Continuous Monitoring process using an automated ticketing system.
Perform continuous monitoring, analysis, and response to network and security events.
Document compliance activities per governing authority‑approved authorization package.
Support system accreditation packages, including SSPs, CONOPS, security control evidence, POA&Ms, and continuous monitoring documentation.
Develop procedures to ensure Configuration Management compliance for security‑relevant software, hardware, and firmware.
Facilitate CCB meetings; assess security impacts of changes and document approvals.
Ensure systems are operated, maintained, and disposed of according to authorization package and customer directives.
Evaluate proposed changes and advise senior leadership on security relevance.
Mentor other information assurance professionals and lead cybersecurity education.
Participate in internal and external audits, assessments, inspections and coordinate corrective actions.
Lead investigations of computer security violations and incidents; report to Facility Security and Senior Program Managers.
Ensure proper protective and corrective measures are taken for discovered incidents or vulnerabilities.
Work with the Facility Security Officer to develop and manage a formal Information Security program.
Develop, implement, and enforce information security policies and procedures.
Author, review, and update IS Authorization documentation to support assessment and authorization.
Basic Qualifications
Active DoD Secret clearance.
Bachelor’s degree in an IT‑related field and 8+ years of operational cyber security experience, or 12+ years IT experience with 10 years in cyber security.
At least 5 years of IA Cyber management experience.
Current DoD 8570 IAM Level II certification.
Past or current ISSM/ISSO experience.
Deep understanding of RMF, NIST, CNSS, and cyber security risk management techniques.
Knowledge of NISPOM and DCSA assessment and authorization manuals.
Familiarity with LAN & WAN network technologies and key management within a classified environment.
Experience with Windows and Linux operating systems in secure environments.
Experience with compliance and vulnerability scanning tools such as Tenable, Splunk, ACAS, STIG Viewer.
Experience with workflow, documentation, and configuration change management tools such as JIRA, Confluence, eMASS.
Ability to work in constantly changing regulatory environments with tight timelines.
Excellent verbal and written communication skills.
Preferred Qualifications
Current DoD Top Secret clearance.
CISSP certification.
Proficiency with Microsoft Windows, Linux, and cloud computing.
Experience developing policies, procedures, and guidance including RMF artifacts.
An inclination to ‘break things’ and build them smarter.
Pay Range $107,900.00 – $195,050.00
Original Posting December 18, 2025 (anticipated close date not earlier than 3 days after posting)
Seniority level Mid‑Senior level
Employment type Full‑time
Job function Information Technology
Industry Software Development
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Location Fully onsite, St. Petersburg, FL office
Clearance Active Secret Clearance with ability to obtain Top Secret
Primary Responsibilities
Protect information and maintain security controls to reduce risk.
Develop and lead Information Security projects from conceptualization to full deployment and user acceptance.
Create comprehensive training programs on information assurance, data security, cybersecurity best practices, and relevant policies and procedures.
Design training materials including manuals, operating procedures, and presentations; assign online courses and other resources.
Coordinate technical training on security tools, software, and technologies to enhance IT staff and personnel skills.
Lead training on response to security incidents, including reporting, containment, eradication, recovery, and post‑incident analysis.
Implement and manage the RMF Continuous Monitoring process using an automated ticketing system.
Perform continuous monitoring, analysis, and response to network and security events.
Document compliance activities per governing authority‑approved authorization package.
Support system accreditation packages, including SSPs, CONOPS, security control evidence, POA&Ms, and continuous monitoring documentation.
Develop procedures to ensure Configuration Management compliance for security‑relevant software, hardware, and firmware.
Facilitate CCB meetings; assess security impacts of changes and document approvals.
Ensure systems are operated, maintained, and disposed of according to authorization package and customer directives.
Evaluate proposed changes and advise senior leadership on security relevance.
Mentor other information assurance professionals and lead cybersecurity education.
Participate in internal and external audits, assessments, inspections and coordinate corrective actions.
Lead investigations of computer security violations and incidents; report to Facility Security and Senior Program Managers.
Ensure proper protective and corrective measures are taken for discovered incidents or vulnerabilities.
Work with the Facility Security Officer to develop and manage a formal Information Security program.
Develop, implement, and enforce information security policies and procedures.
Author, review, and update IS Authorization documentation to support assessment and authorization.
Basic Qualifications
Active DoD Secret clearance.
Bachelor’s degree in an IT‑related field and 8+ years of operational cyber security experience, or 12+ years IT experience with 10 years in cyber security.
At least 5 years of IA Cyber management experience.
Current DoD 8570 IAM Level II certification.
Past or current ISSM/ISSO experience.
Deep understanding of RMF, NIST, CNSS, and cyber security risk management techniques.
Knowledge of NISPOM and DCSA assessment and authorization manuals.
Familiarity with LAN & WAN network technologies and key management within a classified environment.
Experience with Windows and Linux operating systems in secure environments.
Experience with compliance and vulnerability scanning tools such as Tenable, Splunk, ACAS, STIG Viewer.
Experience with workflow, documentation, and configuration change management tools such as JIRA, Confluence, eMASS.
Ability to work in constantly changing regulatory environments with tight timelines.
Excellent verbal and written communication skills.
Preferred Qualifications
Current DoD Top Secret clearance.
CISSP certification.
Proficiency with Microsoft Windows, Linux, and cloud computing.
Experience developing policies, procedures, and guidance including RMF artifacts.
An inclination to ‘break things’ and build them smarter.
Pay Range $107,900.00 – $195,050.00
Original Posting December 18, 2025 (anticipated close date not earlier than 3 days after posting)
Seniority level Mid‑Senior level
Employment type Full‑time
Job function Information Technology
Industry Software Development
#J-18808-Ljbffr