Space ISSO: RMF & AWS GovCloud Expert (Onsite CO)

York Space Systems; Greenwood Village (CO); On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

Employer-paid medical, dental, and vis

Paid holidays and unlimited PTO

401(k) match

Sick time

Holiday leaves

Job summary

York Space Systems is seeking an experienced Information Systems Security Officer (ISSO) to support RMF compliance and cloud security across AWS GovCloud IL5/IL6 environments. The role reports to the ISSM and works to maintain the cybersecurity posture within DoD frameworks.

The position is fully on-site in Greenwood Village, CO, requiring active Secret clearance with eligibility for Top Secret, and strong collaboration with government stakeholders and space-vehicle program teams.

Qualifications

• Five or more years of information assurance or RMF experience
• Experience developing DoD authorization documentation and maintaining eMASS packages
• Strong understanding of DoD RMF, CNSSI 1253, NIST SP 800-53/53A
• Experience with AWS security services and SIEM tools

Responsibilities

• Support RMF, IATT, ATO, and continuous-monitoring activities for cloud environments and Space Vehicle systems.
• Coordinate with the ISSM, system owners, administrators, engineers, assessors, and government stakeholders.
• Develop and maintain SSPs, SCTMs, POA&Ms, SOPs, contingency plans, configuration documentation, and assessment evidence.
• Evaluate AWS shared-responsibility requirements and DoD Cloud SRG requirements.
• Review cloud security configurations including IAM, networking, encryption, logging, and monitoring.
• Analyze evidence from CloudTrail, Config, Security Hub, GuardDuty, CloudWatch, Systems Manager, Inspector, and AWS Backup.
• Support Space Vehicle authorization packages by reviewing architectures, interfaces, hardware, software, firmware, and security documentation.
• Assess vulnerability scans, audit logs, compliance results, and coordinate remediation.
• Review DISA STIGs, SRGs, SCAP results, inventories, and change requests.
• Evaluate interfaces and data flows among cloud, ground systems, Space Vehicles, and mission components.
• Support incident response, data-transfer requirements, media protection, and Configuration Control Board activities.
• Lead System level change requests through CCB and notify ISSM of incidents or deficiencies.
• Other duties as assigned.

Skills

RMF experience

Communication skills

Risk analysis

Independent task management

Security clearance

Education

Bachelor’s degree in Cybersecurity/IT/CS

Tools

AWS

DoD RMF

CNSSI 1253

NIST SP 800-53

NIST SP 800-53A

DISA STIGs

SCAP

ACAS/Tenable Nessus

Splunk

Job description

York Space Systems is seeking an experienced Information Systems Security Officer (ISSO) to support RMF compliance and cloud security across AWS GovCloud IL5/IL6 environments. The role reports to the ISSM and works to maintain the cybersecurity posture within DoD frameworks.

The position is fully on-site in Greenwood Village, CO, requiring active Secret clearance with eligibility for Top Secret, and strong collaboration with government stakeholders and space-vehicle program teams.