Senior ISSO — RMF & A&A Lead (eMASS)

InvestedintheMission; Greenwood Village (CO); On-site; USD 120,000 - 135,000; Full time

Benefits offered by this job

Medical Insurance

Dental Insurance

Vision Insurance

PTO

401K

Job summary

York Space Systems in Greenwood Village, CO, seeks an Information Systems Security Officer Senior (ISSO) to lead RMF implementation and manage security posture across the information system lifecycle.

This role performs RMF packages in eMASS, coordinates with the Security Controls Assessor and Authorizing Official, and conducts risk assessments, SSP maintenance, and STIG compliance to protect critical systems.

Qualifications

• 5+ years IA/Cyber Security experience
• Experience documenting DoD A&A artifacts
• Knowledge of RMF, NIST 800-series and CNSSI 1253

Responsibilities

• Oversee RMF day-to-day operations
• Manage tasks and deadlines for security requirements
• Lead RMF package building in eMASS
• Maintain SSPs, POA&Ms, SCTMs, SOPs
• Coordinate with SCA and AO
• Monitor system security posture across lifecycle
• Perform security assessments and vulnerability reviews

Skills

IA/Cyber Security

RMF

DoD A&A documentation

CNSSI 1253/NIST 800 series

Security+ or CISM

eMASS/STIGs/SCAP

Active Secret clearance

Communication skills

Education

Bachelor’s degree in CS or Security

Tools

eMASS

STIGs

SCAP

Job description

York Space Systems in Greenwood Village, CO, seeks an Information Systems Security Officer Senior (ISSO) to lead RMF implementation and manage security posture across the information system lifecycle.

This role performs RMF packages in eMASS, coordinates with the Security Controls Assessor and Authorizing Official, and conducts risk assessments, SSP maintenance, and STIG compliance to protect critical systems.