Information Systems Security Officer (ISSO) Senior

Avint•Washington, DC

2d•$115,000 - $125,000•Onsite

About The Position

Avint LLC is seeking a highly motivated, solution-oriented, and customer-focused Information Systems Security Officer (ISSO) III to join our growing team. We are looking for a senior-level ISSO who is confident working independently and demonstrates deep technical and operational expertise. This position is 100% on-site 1750 Pennsylvania Ave, Washington, DC

Requirements

US citizen without dual citizenship
Ability to obtain a Public Trust clearance
Currently possess at least 8570 IAT II certification
Thorough knowledge of and experience with executing the seven key steps of the Risk Management Framework (RMF)
Thorough knowledge of and experience with completing the components of a FedRAMP system package, to include the System Security Plan (SSP) and the Control Implementation Summary (CIS)/Customer Responsibilities Matrix (CRM)
Experience with security control implementation statement development and testing
Familiarity with AI-based systems

Responsibilities

Provide subject matter expertise to ensure compliance with Treasury, DHS, and NIST cybersecurity policies and frameworks.
Support the implementation and sustainment of security controls in alignment with the NIST Risk Management Framework (RMF).
Responsibility for and to assist system owners in maintaining system Authorization to Operate (ATO) status.
Enhance Treasury’s ability to measure, report, and manage cybersecurity posture and control effectiveness at a maturity level consistent with OIG FISMA Metrics Level 4 (“Managed and Measurable”).
Strengthen collaboration and information sharing across internal Treasury offices and external partners to support cybersecurity risk reduction and resilience.