One Federal Solution provides senior ISSO support for cybersecurity risk management, A&A, FISMA compliance, continuous monitoring, and secure cloud/hybrid environments. We apply NIST, CNSSI 1253, and RMF principles to maintain compliance, strengthen security posture, and support secure mission operations.




Senior Information Systems Security Officer Task and Duties:

• Serve as senior ISSO supporting cybersecurity risk management and compliance activities.


• Support A&A, FISMA compliance, IC cybersecurity policy and standards, continuous monitoring, CDS, and secure cloud/hybrid engineering.


• Apply emerging and evolving security risk management practices, including automation of A&A and continuous monitoring activities.


• Apply NIST 800-series and CNSSI 1253 security controls, risk management framework principles, and related guidance.


• Coordinate documentation, monitoring, and compliance activities needed to maintain secure system operations.

Senior Information Systems Security Officer Qualifications:

• Minimum 10 years of total related experience.


• Minimum 2 years of recent experience in each of the following: A&A, FISMA compliance, IC cybersecurity policy and standards, continuous monitoring, CDS, and secure cloud/hybrid engineering.


• Experience automating A&A and continuous monitoring activities.


• Experience applying NIST 800-series and CNSSI 1253 security controls and risk management framework guidance.


• Mandatory certification in CISM, CAP, or GRC Certification in good standing at award and throughout the period of performance, or comparable demonstrable experience.


• Desired: certifications in AWS, Microsoft Azure, and Microsoft Office 365 cloud platforms.

About One Federal Solution



One Federal Solution (OFS) is an innovative Professional Services provider with over 20 years of experience supporting Defense and Civilian agencies. OFS specializes in Business Intelligence, Acquisition and Procurement, and other Professional Services. We are pioneers, builders, thought leaders, and pride ourselves on thinking outside the box to co-create with our customers, helping them achieve exceptional enterprise-wide outcomes. As a certified Service-Disabled Veteran-Owned Small Business (SDVOSB), OFS is committed to providing high-performance professionals who deliver excellence to our government partners.