Information System Security Manager (ISSM)

Dexian Government Solutions is recruiting for an Information System Security Manager (ISSM) to support the Continuity & Readiness System (CRS)our contract at the Raven Rock Mountain Complex (RRMC) in Blue Ridge Summit, Pennsylvania.

Position Overview:

• The ISSM will serve as the senior cybersecurity authority responsible for maintaining system accreditation, ensuring compliance, and supporting mission readiness in a secure, classified environment.
• This role leads the full Risk Management Framework (RMF) lifecycle, manages Authorization to Operate (ATO) activities, and ensures continuous monitoring of cybersecurity posture.
• The position is fully onsite within a SCIF at RRMC and requires close coordination with stakeholders across the National Capital Region (NCR), including periodic travel to the Pentagon.

Job Duties:

• Lead and manage the full RMF lifecycle, including system categorization, control implementation, assessment, authorization, and continuous monitoring.
• Develop, maintain, and manage all ATO documentation, including SSPs, POA&Ms, SCTMs, and related artifacts.
• Serve as the primary cybersecurity advisor to the government for CRS and associated systems.
• Manage and maintain system packages within eMASS, ensuring compliance with DoD and Air Force cybersecurity requirements.
• Conduct vulnerability assessments, security control reviews, and risk analyses to identify and mitigate cybersecurity risks.
• Track and remediate findings from CCRIs, SCA-V assessments, and other inspections.
• Oversee ISSO activities and provide leadership and guidance to cybersecurity team members.
• Support incident response efforts, including investigation, reporting, and remediation of security incidents.
• Ensure compliance with DoDI 8510.01, NIST SP 800-53, CNSSI 1253, and applicable cybersecurity policies.
• Participate in change management processes, evaluating cybersecurity impacts of system changes and upgrades.
• Support COOP mission requirements, exercises, and real-world events to ensure system availability and security.
• Coordinate with stakeholders across Air Force, Navy, DISA, and NCR organizations.
• Ensure proper implementation of STIGs, patches, and cybersecurity best practices across supported systems.

Required Qualifications:

• Active DoD Top Secret clearance (TS/SCI preferred).
• Minimum 7+ years of experience as an ISSM or in a senior cybersecurity leadership role supporting DoD systems.
• Minimum 7+ years of experience managing the RMF lifecycle and ATO processes.
• Hands-on experience with eMASS, ITIPS, UII registration, and DIRPR submissions, and managing system authorization packages.
• Minimum 5+ years of experience with vulnerability scanning tools (e.g., ACAS, Nessus) and/or SIEM platforms.
• Minimum 5 years of experience developing and maintaining RMF documentation (SSP, POA&M, SCTM), aligned with PWS requirements.
• Current DoD 8570/8140 IAM Level III certification (e.g., CISSP, CISM, GSLC).
• Strong knowledge of DoD cybersecurity policies and frameworks (DoDI 8510.01, NIST SP 800-53, CNSSI guidance).
• Experience supporting mission-critical or classified systems in a SCIF environment.
• Ability to work onsite full-time at RRMC.
• Strong analytical and problem-solving skills with the ability to operate independently.
• Excellent communication skills with the ability to brief senior leadership and coordinate across organizations.
• Familiarity with DAF COOP policy, ERG/ERS roster management, and continuity mission execution.

Company Description

Dexian Government Solutions is an award-winning, ISO 9001:2015 certified, business and GSA contract holder providing diversified Information Technology services to both Civilian and Defense agencies. Services include Software Development, Systems Integration, Data Management, Project Management, Operations & Maintenance, Cybersecurity, and Training and Audio/Visual (AV) Solutions. Dexian Government Solutions has received several recognitions, including rankings on "Top 50 Companies to Watch", Washington Technology's Annual "FAST 50", and Inc. 500's List of "Fastest Growing Private Companies". The Dexian Government Solutions team is comprised of individuals who are dedicated to the success and sustainability of our customers and their missions. Our combination of technical expertise, big business experience, and small business agility allows us to promptly provide our customers with exceptional IT and engineering solutions.

Benefits

Our robust benefits package includes Open Paid Time Off, 11 Federal Paid Holidays & 5 Paid Sick Days, Company-paid Life/AD&D, Company-paid Short Term and Long-Term Disability, Health Insurance with Company Contribution, 401k Plan with Company Match, Employee Recognition Program, opportunity for Employee Referral Bonus, opportunity for annual Performance Bonus and much more!

EEO Statement

Dexian Government Solutions is proud to be an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. All employment is decided based on qualifications, merit, and business need.

All applicants will be considered for employment without attention to race, religion, color, national origin, ancestry, physical or mental disability, medical condition, pregnancy (including childbirth, lactation and related medical conditions), marital status, genetic information (including characteristics and testing), gender, sexual orientation, gender identity or expression, military and veteran status, or any other status protected under federal, state, or local law in the locations where we operate.

If you are an individual with a disability and would like to request a reasonable accommodation as part of the employment selection process, please contact Human Resources. The Company invites any applicant and/or employee to review the Company's written Affirmative Action Plan. This plan is available for inspection upon request.

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This role requires an active Top Secret Security Clearance, customer approval, and successful completion of a pre-employment background screening.