CGS Federal (Contact Government Services)
Information System Security Officer (ISSO)
$120K–$200K
New York, NY · On-site · Full-time · Posted Feb 10, 2026
About the job
Serves as the on-site security and compliance authority for U.S. Government customers, supporting system authorization, security controls, documentation, evidence, and ongoing assessments across cloud and on-premises platforms.
What you'll do
- Support system accreditation and authorization, implement and validate security controls with engineering teams, and assess software against security requirements.
- Create and maintain security documentation and compliance evidence; organize accreditation artifacts and support audits and assessments.
- Coordinate hands-on security operations across AWS, Azure, and on-premises environments.
What they ask for
- Experience accrediting IT systems against U.S. Government standards, including NIST SP 800-53, CNSSI 1253, and DISA STIGs.
- Hands-on accreditation experience with eMASS or Xacta; experience collaborating with engineering teams on security configurations.
- Ability to independently use vulnerability scanning tools such as Nessus and OpenSCAP; experience in cloud and on-premises environments, including AWS.
- Active TS/SCI Clearance or eligibility.
Pay
USD 120,000–200,000 per-year-salary (base salary)
Tools
RMF, DIACAP, NIST SP 800-53, CNSSI 1253, DISA STIGs, eMASS, Xacta, AWS
Model-written summary · the original posting is authoritative