Information System Security Manager (ISSM)

Description If you are looking for an exciting career opportunity in the IT, engineering, software development, logistics, and project management fields, Linchpin Solutions is the place to be! We are currently hiring for a dynamic and experienced Information System Security Manager (ISSM). Clearance Active DoD TS/SCI Clearance Work Schedule Fulltime, On-site Marine Corps Base Quantico, VA; routine travel to Role Overview The ISSM/ISSO provides enterprise-wide cybersecurity oversight, compliance management, and accreditation support for all Command and Control (C2) training networks and systems supporting both the Marine Operational Command and Control Training Team (MOCTT) and the Marine Corps Information Systems Training Centers (MISTCs). This role ensures all systems, configurations, and architectures comply with DoD, DON, MCEN, and TECOM cybersecurity standards across all MISTC sites and the MOCTT COC in Quantico. Working closely with the Senior Systems Engineer, Systems Engineers, and Systems Administrators, the ISSM/ISSO manages RMF lifecycle documentation, risk assessments, cybersecurity inspections, and technical security controls. The ISSM/ISSO provides authoritative IA guidance during network design, curriculum-impacting system upgrades, and fielded training support, including BSTEX deployments. General Skillset Strong written and verbal communication skills Ability to interpret and apply cybersecurity policies and directives Excellent organizational and document-management skills Strong critical thinking, analytical, and risk-assessment abilities Ability to work collaboratively with technical, instructional, and government personnel Specific Skillset Expert knowledge of the Risk Management Framework (RMF) Experience with DISA STIGs, ACAS, eMASS, POA&M development, and vulnerability remediation Understanding of MCEN-connected and standalone enclave security requirements Experience securing C2 systems, tactical networks, and virtualized environments Ability to maintain required cybersecurity artifacts (SSP, SAR, POA&M, inventories) Experience coordinating with Authorizing Official (AO), SCA, IAMs, and local cybersecurity offices Experience with DISS, SAARs, PKI, RBAC, and user-provisioning requirements Familiarity with security governance for Microsoft 365, SharePoint, and Teams environments Requirements Education & Certifications Bachelor’s degree in Cybersecurity, IT, Computer Science, or related field DoD 8570.01-M IAT Level III certification required (e.g., CISSP, CASP+, CCNP Security, GCIH, GCED) IAM Level II/III certification preferred Experience Requirements Minimum 8+ years of experience in DoD cybersecurity, RMF, IA, or security engineering Experience supporting Marine Corps or Joint cybersecurity programs preferred Experience securing networks used for training, operational support, or mission rehearsal environments desirable Role Integration The ISSM/ISSO is fully integrated into the MISTC Headquarters enterprise and directly supports the MOCTT & MISTC C2 Systems and Computer Networks mission. Key relationships include: MOCTT Lead/PM-Provides top-level oversight and program direction; the ISSM/ISSO ensures all systems remain compliant with programmatic IA/security requirements under the PM’s purview. Corporate Quality Manager-Works closely with the ISSM/ISSO to integrate IA/security compliance into the Quality Management System (QMS), including audits, corrective actions, and continuous improvement initiatives. Senior Systems Engineer-Coordinates on system design, secure configurations, network changes, and architectural updates to ensure cybersecurity is built in at every stage. Systems Engineers and Administrators – Provides daily direction on vulnerability remediation, patching, baseline management, access control, and secure operations. MISTC Site Leads-Ensures each site’s local network activities adhere to enterprise security policy and RMF controls. Core responsibilities include: Overseeing RMF compliance for all MOCTT/MISTC C2 training networks Ensuring every architecture, system update, or configuration change meets MCEN and DoD cybersecurity requirements Maintaining IA/security documentation and continuous monitoring packages across the enterprise Developing and executing cybersecurity inspection readiness, audit support, and incident-response coordination Monitoring and validating secure configurations for both classified and unclassified training environments Supporting BSTEX and training deployments by ensuring secure configurations and IA alignment This integration ensures that IA/security is not handled in isolation, but woven into every element of engineering design, network configuration, training operations, and quality oversight. Impact The ISSM/ISSO ensures that the MOCTT & MISTC enterprise operates on a secure, compliant, and resilient technical foundation. Their work protects sensitive C2 training systems from cyber threats, ensures continuity of operations, and enables Marine instructors and students to train on networks that reflect real-world operational security environments. By ensuring cybersecurity compliance at every stage, from system design to deployment, the ISSM/ISSO directly enhances the Marine Corps’ ability to train Marines for modern, contested, and cyber-enabled operational environments. Build Your Career With Us Linchpin Solutions’ professional services organization is committed to delivering qualified candidates that meet or exceed clients’ technical and management expectations. Our growth means exciting career opportunities for talented professionals in IT, engineering, software development, logistics, project management, and other key areas. We provide personnel that become valuable assets to the organizations they serve and contribute to the overall skill diversity and strength of the Linchpin Team. Career Choices Linchpin’s success comes from the talent and commitment of our professionals. As one team, we share the challenges and rewards that come from growing the company, which reinforces our culture of ownership. All of our professionals benefit from the value we collectively create. Pay Transparency Statement: Linchpin Solutions is committed to compliance with applicable pay transparency laws and regulations. Final compensation for any position will be determined based on a variety of factors, including but not limited to: Relevant prior work experience Education and certifications Specific skills and competencies Federal Government contract labor categories and wage rates Geographic location While salary ranges may be provided for a position, these ranges are not a guarantee of final compensation, which may vary based on individual qualifications and the specific requirements of the contract. Benefits: In addition to competitive compensation, Linchpin Solutions offers a variety of benefits, including: Health, dental, and vision insurance 401(k) plan with company matching Flexible Spending Accounts (FSA) Company-funded disability and life insurance Paid time off (PTO) and company-paid holidays Employee Assistance Program (EAP) Educational assistance and parental leave Please note that the specific benefits and compensation details may vary depending on the employee’s position, date of hire, and contract terms. Cyber Security Message Linchpin Solutions follows a specific recruiting practice to protect all candidates. We will never request any financial information immediately. Do not reveal confidential or sensitive information without ensuring the request is coming from Linchpin Solutions directly. Please do not hesitate to contact us at View phone number on click.appcast.io if you suspect any type of social engineering attacks such as phishing, spear phishing, baiting or any other suspicious activity. Equal Opportunity Employment Statement We are an equal-opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status. #J-18808-Ljbffr