TS/SCI ISSO — RMF & Cross‑Domain Security Lead

Sawdey Solution Services, Inc.; Patterson Township (OH); Hybrid; USD 110,000 - 145,000; Full time

Job summary

Sawdey Solution Services, Inc. is seeking a Cybersecurity ISSO to manage RMF activities and ensure compliance for classified and cross-domain environments at the Secret level and below.

The role oversees day-to-day cybersecurity operations, creates and updates security artifacts, and coordinates with ISSM/AO to obtain IATT/ATO approvals. The ISSO will perform vulnerability scans, STIG reviews, and support NCCRMF documentation using eMASS, Xacta, and other tools.

Qualifications

• Experience performing ISSO, cybersecurity, RMF support duties.
• Familiar with cross-domain solutions and RMF processes.
• Ability to prepare RMF artifacts and explain findings.

Responsibilities

• Serve as ISSO for one or more information systems or CDS networks.
• Support RMF activities including assessment, documentation, and testing of security controls.
• Maintain RMF artifacts in eMASS, Xacta, or equivalent tools.

Skills

Cross domain solutions

RMF knowledge

ISSO duties

Security documentation

Education

8570 IAT Level II/III

Tools

eMASS

Xacta

ACAS

Job description

Sawdey Solution Services, Inc. is seeking a Cybersecurity ISSO to manage RMF activities and ensure compliance for classified and cross-domain environments at the Secret level and below.

The role oversees day-to-day cybersecurity operations, creates and updates security artifacts, and coordinates with ISSM/AO to obtain IATT/ATO approvals. The ISSO will perform vulnerability scans, STIG reviews, and support NCCRMF documentation using eMASS, Xacta, and other tools.