Information System Security Officer (ISSO) – TS/SCI

Strategic Business Systems (SBS); Herndon (VA); On-site; USD 140,000 - 190,000; Full time

Benefits offered by this job

Medical, dental, vision coverage

401(k) retirement plan with company匹配

Paid time off and holidays

Professional development support (AWS)

Telework option

Job summary

Strategic Business Systems, Inc. (SBS) seeks an Information System Security Officer (ISSO) for TS/SCI workloads in Herndon, VA.

The role leads RMF activities, maintains ATO packages, and implements continuous monitoring with AWS‑native services, aligning with NIST and DoD requirements across multiple security domains. The ideal candidate has strong RMF, cloud security experience, and collaborates with engineering, customer security teams, and ISSEs to sustain secure cloud environments for DoD

Qualifications

• Active TS/SCI clearance required.
• 5+ years information assurance, cybersecurity or information system security.
• 2+ years RMF/NIST SP 800-53 experience.
• 1+ year AWS cloud security experience.
• Experience creating and maintaining complete ATO packages.

Responsibilities

• Develop, maintain RMF documentation supporting IATT and ATO packages.
• Author SSPs, POA&Ms, and Control Implementation statements.
• Support RMF lifecycle per DoDI 8510.01 and NIST SP 800-53 Rev. 5.
• Monitor security posture across AWS environments (IL2/IL4/Secret/TS).
• Configure and monitor AWS security services (GuardDuty, Security Hub, Config, IAM, SCPs).
• Assist engineering teams in secure cloud architectures.
• Review vulnerability findings and remediation efforts.
• Engage in audits and compliance activities.

Skills

Excellent communication

Documentation skills

Analytical abilities

Troubleshooting abilities

Independence in classified envs

Federal/IC customer experience

Tools

eMASS

Xacta

Keyhole

GRC platforms

Job description

Information System Security Officer (ISSO) – TS/SCI (AWS Cloud / RMF)

Location: Herndon, VA, onsite

Clearance Required: Active TS/SCI

Employment Type: Full‑Time

Security Clearance: Active Top Secret/SCI clearance

Strategic Business Systems, Inc. (SBS) delivers AWS‑aligned mission‑critical cloud, cybersecurity, software engineering, and data modernization solutions to the U.S. Department of Defense, the Intelligence Community, and federal civilian agencies. We hire engineers, architects, and consultants who want to do hands‑on work on high‑impact national‑security programs while collaborating directly with AWS Professional Services. Our culture is technical, lean, and clearance‑friendly: we invest in certifications, retain talent through long‑duration prime engagements, and provide a comprehensive benefits package.

Position Overview

This position is responsible for leading Risk Management Framework (RMF) activities, maintaining Authorization to Operate (ATO) packages, implementing continuous monitoring strategies, and ensuring compliance with NIST and DoD cybersecurity requirements across multiple security domains. The ideal candidate possesses a strong background in RMF, cloud security, and AWS‑native security services while partnering with engineering teams to maintain secure cloud environments supporting Department of Defense and Intelligence Community missions.

Responsibilities

• Develop, maintain, and update RMF documentation supporting IATT and ATO packages.
• Author and maintain:
  • System Security Plans (SSPs)
  • Security Control Family Plans (AC, IA, SC, SI, etc.)
  • POA&Ms
  • Control implementation statements
  • Continuous Monitoring documentation
• Support the full RMF lifecycle in accordance with DoDI 8510.01 and NIST SP 800‑53 Rev. 5.

• Monitor security posture across AWS environments supporting IL2, IL4, Secret, and TS workloads.
• Assess cloud environments against NIST 800‑53 security controls.
• Configure and monitor AWS security services including:
  • GuardDuty
  • Security Hub
  • AWS Config
  • IAM
  • AWS Organizations / SCPs
• Assist engineering teams in implementing secure cloud architectures.

• Review vulnerability findings and support remediation efforts.
• Maintain POA&Ms and continuous monitoring activities.
• Work with third‑party security tools including:
  • Palo Alto
  • ACAS
  • Elastic
• Ensure compliance with customer cybersecurity policies and accreditation requirements.

• Partner with cloud engineers, ISSOs, ISSEs, architects, and customer security teams.
• Participate in security assessments and authorization reviews.
• Provide guidance during audits and compliance activities.
• Support ongoing improvements to cloud security posture and automation.

Required Qualifications

• Active TS/SCI Clearance.
• 5+ years of Information Assurance, Cybersecurity, or Information System Security experience.
• Minimum 2 years supporting RMF and NIST SP 800‑53.
• Minimum 1 year supporting AWS cloud security environments.
• Experience creating and maintaining complete ATO packages.
• Experience with SSPs, POA&Ms, Continuous Monitoring, and Control Implementation Statements.
• Working knowledge of AWS security services.
• Strong understanding of vulnerability management and security compliance.

Preferred Qualifications

• Experience with eMASS, Xacta, Keyhole, or equivalent GRC platforms.
• Experience supporting DoD IL2/IL4/Secret/TS cloud environments.
• Familiarity with AWS Landing Zone Accelerator (LZA).
• Experience implementing Zero Trust security principles.
• DoD 8570/8140 IAM Level II or IAT Level III certification.
• One or more of the following:
  • CISSP
  • CISM
  • CAP
  • CASP+

Desired Skills

• Excellent communication and documentation skills.
• Strong analytical and troubleshooting abilities.
• Ability to work independently in classified environments.
• Experience supporting highly regulated Federal or Intelligence Community customers.

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

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.