Information System Security Manager (ISSM) – TSSCI

• Serve as the primary ISSM for assigned information systems and AWS cloud environments.
• Provide cybersecurity leadership governance and oversight throughout the system lifecycle.
• Lead and mentor ISSOs and coordinate activities across security engineering architecture and operations teams.
• Establish and maintain system cybersecurity policies procedures and security documentation.
• Advise program leadership and customer stakeholders regarding cybersecurity risk compliance status and authorization strategy.
• Ensure security requirements are incorporated into system architecture engineering deployment and operations.

• Lead the complete RMF lifecycle in accordance with DoDI 8510.01 NIST SP 800-37 and NIST SP 800-53 Rev. 5.
• Develop and manage strategies for obtaining and maintaining IATTs and ATOs.
• Oversee development and maintenance of:
  • System Security Plans (SSPs)
  • Security Control Family Plans
  • Security Assessment documentation
  • Control Implementation Statements
  • Plans of Action & Milestones (POA&Ms)
  • Continuous Monitoring documentation
  • Risk assessments and authorization artifacts
• Coordinate security control assessments and authorization reviews with customer security organizations and Authorizing Officials.
• Track authorization conditions findings vulnerabilities and POA&M items through closure.
• Maintain system authorization packages within eMASS Xacta Keyhole or equivalent GRC platforms.

• Provide security oversight for AWS environments supporting IL2 IL4 Secret and Top Secret workloads.
• Assess AWS cloud architectures against applicable NIST and DoD security controls.
• Partner with cloud architects and engineers to implement secure AWS architectures and services.
• Provide oversight and guidance for AWS-native security capabilities including:
  • AWS Security Hub
  • Amazon GuardDuty
  • AWS Config
  • AWS Identity and Access Management (IAM)
  • AWS CloudTrail
  • AWS Organizations
  • Service Control Policies (SCPs)
  • AWS Key Management Service (KMS)
• Review proposed architecture and system changes for cybersecurity and authorization impacts.
• Support implementation of security controls within AWS Landing Zones and multi-account environments.

• Develop and oversee system Continuous Monitoring (ConMon) strategies.
• Review vulnerability assessments security scans and compliance findings.
• Establish priorities and timelines for vulnerability remediation based on mission and security risk.
• Oversee POA&M development management and closure.
• Coordinate remediation activities with engineering and operations teams.
• Monitor security posture using AWS-native and third-party security platforms.
• Support security tools and environments including:
  • ACAS
  • Palo Alto
  • Elastic
  • AWS Security Hub
  • AWS Config
  • GuardDuty
• Ensure required vulnerability configuration and compliance reporting is completed accurately and on schedule.

• Ensure systems remain compliant with applicable:
  • DoD cybersecurity requirements
  • NIST SP 800-53
  • DISA STIGs
  • DoD Cloud Computing Security Requirements Guide (SRG)
  • Customer-specific security policies
• Support cybersecurity inspections audits assessments and authorization activities.
• Identify security risks and provide mitigation recommendations to program and customer leadership.
• Review significant system changes and determine potential impacts to system authorization.
• Promote automation of security controls evidence collection compliance monitoring and reporting where practical.

• Partner with customer security leadership Authorizing Officials SCA teams ISSOs ISSEs cloud architects DevSecOps engineers and program management.
• Provide cybersecurity guidance throughout system design and implementation.
• Participate in technical and architecture reviews.
• Communicate cybersecurity risks and compliance issues to both technical and non-technical stakeholders.
• Provide leadership during security assessments audits and authorization reviews.

• Active TS/SCI security clearance.
• 7 years of Information Assurance Cybersecurity Information System Security or related experience.
• 3 years supporting RMF and NIST SP 800-53 within DoD Intelligence Community or Federal environments.
• Previous experience serving as an ISSM senior ISSO Information System Security Engineer (ISSE) or equivalent cybersecurity lead.
• Demonstrated experience leading systems through the RMF authorization process and obtaining/maintaining ATOs.
• Experience developing and reviewing complete authorization packages including SSPs POA&Ms security controls risk assessments and continuous monitoring documentation.
• Experience managing or providing security oversight for AWS cloud environments.
• Strong knowledge of NIST SP 800-53 security controls and RMF requirements.
• Experience with vulnerability management security assessments and compliance activities.
• Ability to work directly with technical engineering teams and customer cybersecurity leadership.
• Strong written and verbal communication skills.

• Experience supporting DoD or Intelligence Community classified cloud environments.
• Experience with AWS environments supporting IL4 IL5 Secret or Top Secret workloads.
• Experience with eMASS Xacta Keyhole or equivalent GRC platforms.
• Familiarity with AWS Landing Zone Accelerator (LZA).
• Experience implementing Zero Trust security principles.
• Experience integrating cybersecurity requirements into DevSecOps and Infrastructure-as-Code environments.
• Experience with automated security compliance and continuous monitoring.
• Knowledge of DISA STIGs and the DoD Cloud Computing SRG.
• DoD 8570/8140 IAM Level III or equivalent certification.

• CISSP
• CISM
• CAP / CGRC
• CASP / SecurityX
• CCSP
• AWS Certified Security Specialty

• Strong leadership and cybersecurity program-management capabilities.
• Excellent technical writing and documentation skills.
• Ability to communicate cybersecurity risk to technical teams program leadership and government customers.
• Strong analytical troubleshooting and risk-management skills.
• Ability to operate independently within classified environments.
• Experience supporting highly regulated DoD Intelligence Community or Federal customers.
• Ability to balance mission requirements with cybersecurity and compliance requirements.

SBS is a trusted technology and cybersecurity partner supporting federal agencies the Department of Defense Intelligence Community and leading commercial technology companies.

Our ATOaaS offering is designed to solve a significant challenge for technology providers: navigating the complex security and authorization requirements necessary to bring commercial technologies into government environments.

Youll be part of a team that:

• Works directly with innovative technology companies and government customers
• Helps accelerate the delivery of new technologies into DoD and Intelligence Community environments
• Works across cloud security ATO RMF vulnerability management and continuous monitoring
• Provides hands-on guidance throughout the authorization lifecycle
• Has direct impact on getting new technology into the hands of government and military users

COMPENSATION & BENEFITS

SBS offers a comprehensive total-rewards package including a market competitive salary along with:

• Comprehensive medical dental and vision coverage; HSA-eligible plan options available

• 401(k) retirement plan with company match (vesting schedule per Plan Document)

• Paid Time Off federal holidays and floating holiday for personal observance

• Annual professional development support for AWS certifications training and conferences

• Employee referral program where applicable and documented by program policy

• Life AD&D and short- / long-term disability insurance

• Telework and flexible-schedule support where mission and contract permit

• Mission-focused federal contractor supporting national-security customers

Target Salary Range: $00.This range reflects the anticipated compensation for this role. Actual salary will be based on a combination of factors including the positions scope and level of responsibility the candidates relevant experience education technical expertise skills and qualifications geographic location and applicable business or contractual requirements.


Equal Employment Opportunity
SBS is an equal opportunity employer; all qualified applicants will receive consideration for employment without regard to age gender gender identity sex sexual orientation color race creed national origin religion marital status parental status citizenship status ancestry physical or mental disability genetic information veteran status military status or any other classification protected by federal state or local laws.

Accommodations
If you need an accommodation while seeking employment with SBS please email. Accommodations are made on a case-by-case basis.

No Unsolicited Agency Referrals
SBS does not accept unsolicited resumes from staffing agencies. Any resumes submitted without a prior agreement will be considered the property of SBS.