Information Systems Security Manager (ISSM)

Entarian


Job Location:

Denver, CO - USA

Monthly Salary: $ 154000 - 192000
Posted on: 4 hours ago
Vacancies: 1 Vacancy

Job Summary

Overview/ Job Responsibilities

Position is contingent upon contract award and funding.

Entarian is seeking an experienced Information System Security Manager (ISSM) responsible for ensuring the cybersecurity posture compliance and accreditation of assigned information systems in accordance with applicable government and organizational requirements. The ISSM serves as the cybersecurity authority for assigned systems providing strategic oversight of security engineering risk management and compliance activities throughout the system lifecycle. This role serves as the primary interface between technical teams Information System Security Officers (ISSOs) system owners engineering organizations and the Authorizing Official (AO) ensuring cybersecurity requirements are effectively integrated into system design development implementation and sustainment.

The ideal candidate will have demonstrated experience supporting large-scale defense or space environments involving space systems ground infrastructure mission operations communications networks cloud environments or enterprise information technology capabilities.

Key Responsibilities may include but not limited to:

  • Exercise cybersecurity management authority over assigned information systems ensuring security requirements are effectively implemented maintained and continuously monitored throughout the system lifecycle.
  • Lead and manage the complete Risk Management Framework (RMF) lifecycle including system categorization security control selection and implementation assessment authorization continuous monitoring and ongoing risk management.
  • Oversee and coordinate Interim Authorization to Test (IATT) Authorization to Operate (ATO) Authorization to Connect (ATC) and other authorization activities ensuring timely development submission and maintenance of accreditation packages.
  • Develop maintain and review System Security Plans (SSPs) Security Assessment Reports (SARs) Plans of Action and Milestones (POA&Ms) security policies procedures continuous monitoring documentation and other RMF artifacts.
  • Provide technical oversight mentorship and quality assurance for Information System Security Officers (ISSOs) supporting day-to-day cybersecurity operations.
  • Serve as the primary cybersecurity liaison with the Authorizing Official (AO) Security Control Assessor (SCA) system owners and government stakeholders providing clear communication regarding system risk compliance status vulnerabilities and authorization recommendations.
  • Conduct and oversee cybersecurity risk assessments vulnerability assessments security impact analyses remediation planning and POA&M management to reduce organizational risk.
  • Coordinate with system administrators network engineers software developers systems engineers cloud engineers and mission partners to ensure security controls are effectively implemented and maintained.
  • Review proposed system changes architecture modifications software releases and technology insertions to evaluate cybersecurity impacts and maintain accreditation.
  • Support cybersecurity engineering activities throughout system design integration testing deployment and sustainment.
  • Prepare for and support cybersecurity audits inspections assessments and compliance reviews conducted by government organizations and external assessors.
  • Support incident response activities cybersecurity investigations and reporting requirements while ensuring appropriate documentation and corrective actions are completed.
  • Develop and deliver cybersecurity awareness guidance and training for system users and technical personnel.
  • Prepare executive-level cybersecurity briefings risk assessments compliance reports and technical recommendations supporting senior government decision-makers.

Salary range: $154000.00 - $192000.00

Minimum Qualifications

  • Active Top Secret security clearance with SCI eligibility.
  • Bachelors degree in Cybersecurity Information Technology Computer Science Engineering or a related technical discipline. Equivalent experience may be considered.
  • Minimum fifteen (15) years of experience supporting cybersecurity information assurance or information system security activities within Department of Defense Intelligence Community or other federal environments.
  • Minimum fifteen (15) years of experience implementing and managing the Risk Management Framework (RMF) including NIST SP 800-37 NIST SP 800-53 CNSSI guidance and DoD authorization processes.
  • Demonstrated experience leading Authorization to Operate (ATO) Interim Authorization to Test (IATT) and continuous monitoring activities for classified or mission-critical information systems.
  • Demonstrated experience supervising mentoring or managing Information System Security Officers (ISSOs) or cybersecurity teams.
  • Strong understanding of secure systems engineering principles vulnerability management configuration management and cybersecurity risk management.
  • Experience supporting cybersecurity activities across complex enterprise cloud communications mission operations or space systems environments.
  • Experience coordinating with system owners engineering organizations cybersecurity stakeholders and government authorizing officials.
  • DoD 8140 (or legacy DoD 8570) compliant cybersecurity certification such as CISSP CISM CAP Security or another qualifying certification.
  • Proficiency with Microsoft Office Suite including Word PowerPoint Excel Project and Outlook.
  • Ability to travel approximately 25% to support customer locations mission partner engagements cybersecurity assessments and operational activities

Desired Qualifications

  • Experience serving as an ISSM for classified Department of Defense Intelligence Community or U.S. Space Force information systems.
  • Experience working directly with an Authorizing Official (AO) Security Control Assessor (SCA) Designated Authorizing Official Representative (DAOR) or similar cybersecurity governance authority.
  • Experience supporting cloud security hybrid cloud environments DevSecOps Zero Trust initiatives or continuous Authorization to Operate (cATO) implementations.
  • Experience supporting classified SAP SCI or other controlled operational environments.
  • Familiarity with Enterprise Mission Assurance Support Service (eMASS) ACAS HBSS/ESS Microsoft Defender Tenable or comparable cybersecurity management tools.
  • Excellent written and verbal communication skills with the ability to brief senior government leadership and communicate cybersecurity risk to both technical and non-technical stakeholders.
  • Strong leadership organizational and cross-functional collaboration skills with experience supporting multidisciplinary engineering teams.

About Us

Formed through the strategic union of Sev1Tech and ERT Entarian is a premier provider of mission-critical engineering and technology solutions. Founded on a legacy of excellence dating back to 1993 Entarian is a product of an evolved and fully diversified engineering and federal technology leader. From deep space to defense and civilian missions Entarian delivers secure mission-aligned digital solutions that drive national resilience and operational effectiveness. We dont just support modernization; we define it.

Join the Mission and Start your Career Journey: Apply Directly via our Careers Portal Connect Referrals & Inquiries Email the team:

Entarian is anEqual Opportunity and Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race color religion sex pregnancy sexual orientation gender identity national origin age protected veteran status or disability status.


Required Experience:

Manager

Overview/ Job ResponsibilitiesPosition is contingent upon contract award and funding.Entarian is seeking an experienced Information System Security Manager (ISSM) responsible for ensuring the cybersecurity posture compliance and accreditation of assigned information systems in accordance with applic...