I3 is seeking a Cyber Systems Engineer capable of designing and maintaining DoD computer systems and networks capable of accreditation within the NIST Risk Management Framework (RMF). Candidate will be responsible for maintaining a DoD network that is a multi-vendor environment supporting PEO Aviation and the CCDC AvMC S3I Directorate. Candidate will be responsible for working closely with end users to properly design the network/system for very specific software functionality needed. Candidate will maintain system security status and ensures compliance to security policies, procedures and standards with regards to the NIST Risk Management Framework (RMF). Common tools such as Host Based Security System (HBSS), and DISA Assured Compliance Assessment Solution (ACAS) will also be used.