Supervisory Information System Security Manager (ISSM)

Created at: October 10, 2025 00:13

Company: U.S. Marine Corps

Location: Quantico, VA, 22134

Job Description:

Marine Corps Community Services (MCCS) is looking for the best and brightest to join our Team! MCCS is a comprehensive program that supports and enhances the quality of life for Marines, their families, and others in the Marine Corps Community. We offer a team oriented environment comprised of military personnel, civilian employees, contractors and volunteers who keep the organization functioning smoothly and effectively.
Bachelor's Degree in Information Technology or Business related field appropriate to the work of position AND three years of experience performing specific tasks for Information System Security Manager (ISSM), security assessments, vulnerability management, or cybersecurity (CY): OR an appropriate combination of education and experience that demonstrates possession of knowledge and skill equivalent to that gained in the above, OR appropriate experience that demonstrates the applicant has acquired the knowledge, skills, and abilities equivalent to that gained in the above. Skill to lead other employees to accomplish work assignments. Must have experience supervising others in completion of work. Knowledge of risk management processes, secure configuration management techniques, Government laws and policies, cyber threats and vulnerabilities, encryption algorithms, host/network access control mechanisms, vulnerability information dissemination sources, Payment Card Industry (PCI) data security standards, Personally Identifiable Information (PII) data security standards, incident response and handling methodologies, intrusion detection methodologies and techniques for detecting host and network-based intrusions, and organization's risk tolerance and/or risk management approach. Skill in applying security controls, analyzing traffic to identify network devices, conducting application vulnerability assessments, assessing security systems designs, interpreting vulnerability scanner results to identify vulnerabilities, assessing cloud security measures and microservices, preparing Test & Evaluation reports, and running Security Content Automation Protocol (SCAP) content and Security Technical Implementation Guides (STIGS) based tools for benchmark, compliance checks, and security configuration reviews. Ability to identify systemic security issues based on the analysis of vulnerability and configuration data, apply cybersecurity and privacy principles to organizational requirements (relevant to confidentiality, integrity, availability, authentication, non-repudiation), conduct vulnerability scans and recognize vulnerabilities in security systems, and translate data and test results into evaluative conclusions. As an authorized and privileged user of Department of Defense Information Systems, must fulfill the requirement to complete DoD Workforce Improvement Program certification (DoD 8140.01) as a condition of access within six months of employment. This position has been determined as an Intermediate proficiency level ISSM. This position had been determined as Moderate Risk. As a condition of employment, the incumbent must be able to obtain and maintain an Access National Agency Check and Inquiries (ANACI/ Tier 3) Secret Clearance to access classified information.
This position serves as the Information System Security Manager (ISSM) for the Information Technology Directorate (MRI), NAF Business and Support Services Division (MR), Manpower and Reserve Affairs Department, Headquarters Marine Corps. The incumbent will work under the direction of an organization wide Information System Security Manager to provide system security manager services to Marine Corps installations worldwide. The Information System Security Manager (ISSM) serves within the Enterprise Cybersecurity and Compliance Office. The ISSM will serve as an advocate for all disciplines within the security program including the development and subsequent enforcement of the organization's security awareness programs, business continuity and disaster recovery plans, and all industry and governmental compliance issues. Promotes IT security awareness to the user community by validating the user community is completing annual security training. Oversees and maintains regulatory requirements and completes periodic reviews for security implications and security applications. Works closely with and receives reports from Information Systems Security Officers (ISSO)s. Performs security compliance efforts IAW the Payment Card Industry (PCI), Federal Information Security Modernization Act (FISMA), National Institute of Standards and Technology Special Publication (NIST SP) 800 series, Federal Information Processing Standards (FIPS) series, and USMC related policies and procedures. Conducts comprehensive assessments of the management, operational, and technical security controls and control enhancements employed within or inherited by an information technology (IT) system to determine the overall effectiveness of the controls (as defined in NIST SP 800-37). Follows systematic processes to assess the ability of systems and networks to withstand exploitation by adversaries. Conducts assessments of threats and vulnerabilities, determine deviations from acceptable configurations and enterprise or local policies, assesses the level of risk, and develops and/or recommends appropriate mitigation countermeasures in all situations. Performs technical tests, network scans, vulnerability scans, and penetration testing to evaluate the effectiveness of systems, devices, procedures, and methods used to safeguard information in computer accessible media. Assists in the daily operations of the MR Cybersecurity program objectives to implement processes and procedures as they relate to DoD, DON, USMC, MCCS policy, standards, and guidelines. Provides security oversight for MR and subordinate commands to include coordinating MR security measures, conducting analysis, periodic testing, evaluation, verification, accreditation, and review of information system installations at appropriate classification levels. Focuses on content development, communications, and training program management in support of cybersecurity awareness or relevant technical subject domains. Coordinates with all departments within the Marine Corps Community Services (MCCS) and higher Marine Corps to support cybersecurity awareness initiatives. May conduct and coordinate training of personnel within pertinent cybersecurity subject domain and develop, plan, and evaluate training courses, methods, and techniques as appropriate. May be responsible for raising security awareness and facilitating improved security. Supervises employees to include: assigning and distributing work, coaching, counseling, tutoring, and mentoring employees; approving and disapproving leave, recommending and completing personnel actions, completing performance reviews and signing timecards, training employees, keeping abreast of and actively supporting the principles of the EEO program, and prevention of sexual harassment. Must be alert to alcohol abuse and take appropriate action. Occasional travel to complete work assignments, conduct training or attend conferences and meetings may be required. Performs other related duties as assigned. This is a white-collar position where occasional lifting up to 20 lbs. may be required.


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