Information Systems Security Manager

Leidos

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profile Job Location:

St. Petersburg, FL - USA

profile Monthly Salary: $ 107900 - 195050
Posted on: 17 hours ago
Vacancies: 1 Vacancy

Job Summary

Leidos Chief Information Security Office reporting through our Digital Modernization sector has an opening for an Information Systems Security Manager (ISSM) in our St. Petersburg FL office. The ISSM will support our Defense Systems business overseeing several DCSA-approved Collateral Information Systems and maintaining accreditation throughout the system this role you will serve as the Subject Matter Expert (SME) within the Information Assurance (IA) technical domain supporting enclaves across the enterprise. You will oversee day-to-day information system security operations and may manage junior Information System Security Officers (ISSOs) resolve complex problems and develop innovative solutions to meet changing security requirements. To be successful in this role you must be able to work independently with a team of analysts information technology management and staff and site management.

Location: Fully onsite St Petersburg FL office

Clearance: Active Secret Clearance with ability to obtain Top Secret.

Primary Responsibilities

This role may include a combination of duties to protect information and maintain security controls for an entire system site or program 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 and assign online courses and other resources.

Coordinate technical training on security tools software and technologies used within the organization to enhance the skills of IT staff and other relevant personnel.

Develop and lead training on responding to security incidents including reporting procedures containment eradication recovery and post-incident analysis.

Implement and manage the Risk Management Framework (RMF) Continuous Monitoring process by utilizing an automated ticketing system ensuring accurate tracking monitoring and reporting of security controls vulnerabilities and remediation efforts within the organizations information systems.

Perform continuous monitoring analysis and response to Information System network and security events.

Document compliance activities in accordance with the governing authority-approved authorization package.

Support the maintenance of system accreditation packages including SSPs CONOPS security control evidence POA&Ms and continuous monitoring documentation.

Develop procedures and documentation to ensure compliance with Configuration Management (CM) for security-relevant Information System (IS) software hardware and firmware.

Facilitate CCB meetings; assess security impacts of proposed changes; document change requests approvals and implementation evidence.

Ensure systems are operated maintained and disposed of in accordance with the governing authority-approved authorization package and customer directives.

Evaluate proposed changes or additions to the information system and advise senior site leadership of the security relevance.

Develop and conduct cybersecurity education and training mentor other information assurance professionals in cybersecurity and secure software development practices.

Participate in internal/external security audits/assessments/inspections coordinating corrective actions as necessary; participate in the risk management process; perform risk assessments and Continuous Monitoring

Lead investigations of computer security violations and incidents report as necessary to the Facility Security and Senior Program Managers.

Ensure proper protection and/or corrective measures have been taken when an incident or vulnerability has been discovered.

Work with the Facility Security Officer (FSO) developing implementing and managing a formal Information Security/Information Systems Security Program.

Develop implement and enforce information security policies and procedures.

Author review and update IS Authorization documentation (Body of Evidence) to support IS Assessment and Authorization activities

Basic Qualifications

An active DoD Secret clearance is required for consideration.

Bachelors degree in an IT-related subject matter area from an accredited college or university and 8 years of experience in being in an operational cyber security-specific role (e.g. information system security manager information system security officer cyber security specialist) or have 12 years of experience in an IT related position with at least 10 of those years in an operational cyber security specific role.

At least 5 years of IA Cyber management experience.

Current DoD 8570 IAM Level II certified.

Past or current ISSM/ISSO experience.

Detailed understanding of the Risk Management Framework (RMF) National Institute of Standards and Technology (NIST) and Committee on National Security Systems (CNSS) cyber security requirements and guidance cybersecurity-related risk management techniques.

Working knowledge in maintaining compliance with National Industrial Security Program Operating Manual (NISPOM) and DCSA Assessment and Authorization Process Manual (DAAPM) / DCSA Assessment and Authorization Guide (DAAG) security requirements for classified information systems.

Familiarity with network technologies (LAN & WAN) and best practices within a classified environment including crypto and key management.

Working knowledge of Microsoft Windows (workstation & server) and Linux operating systems in a secure network environment.

Experience with compliance and vulnerability scanning tools (e.g. Tenable Splunk ACAS STIG Viewer).

Experience with workflow documentation and configuration/change management tools (e.g. JIRA Confluence eMASS).

Must be able to work in a constantly changing regulatory environment with short- mid-and long-term timelines for remediating any non-compliance.

Must work well within a team environment and adapt quickly to change.

Excellent verbal and written communication skills.

Preferred Qualifications

Current DoD Top Secret clearance

CISSP

Proficient in using Microsoft Windows and Linux operating systems and cloud computing.

Experience with developing policies procedures and guidance including providing artifacts for the RMF

Come break things (in a good way). Then build them smarter.

Were the tech company everyone calls when things get weird. We dont wear capes (theyre a safety hazard) but we do solve high-stakes problems with code caffeine and a healthy disregard for how its always been done.

Original Posting:

December 18 2025

For U.S. Positions: While subject to change based on business needs Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $107900.00 - $195050.00

The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job education experience knowledge skills and abilities as well as internal equity alignment with market data applicable bargaining agreement (if any) or other law.


Required Experience:

Manager

Leidos Chief Information Security Office reporting through our Digital Modernization sector has an opening for an Information Systems Security Manager (ISSM) in our St. Petersburg FL office. The ISSM will support our Defense Systems business overseeing several DCSA-approved Collateral Information Sy...
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About Company

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Leidos is an innovation company rapidly addressing the world's most vexing challenges in national security and health. Our 47,000 employees collaborate to create smarter technology solutions for customers in these critical markets.

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