Senior Information Systems Security Officer – DoD RMF Expert

Socket.dev; Orlando (FL); On-site; USD 90,000 - 120,000; Full time

Job summary

Great Hill Solutions, LLC seeks a highly motivated Information Systems Security Officer (ISSO) to join our Orlando-based technical team supporting the National Cyber Range Complex (NCRC). The ISSO will work with the ISSM to ensure compliance, readiness, and secure mission execution across DoD environments, coordinating across domains including physical, information, cyber, and personnel security.

Responsibilities include maintaining RMF artifacts, A&A activities, continuous monitoring, and

Qualifications

• Active Top Secret clearance with SCI eligibility.
• Bachelor’s degree in Cybersecurity, Information Systems, or related discipline, and/or 8+ years of relevant experience.
• Minimum of 5 years of extensive experience in cybersecurity, information assurance, and RMF processes.
• DoD 8570.0 and DoDD 8140.01 IAT Level II certification or higher.
• At least 2 years of experience conducting IT application, system, or network reviews and providing DoD cybersecurity policy and technical guidance.

Responsibilities

• Provide direct support to the ISSM on activities such as A&A, execution of Continuous Monitoring Plans, and facilitation of Security Controls Assessments.
• Administer and monitor RMF steps and activities throughout the system lifecycle to maintain an appropriate security posture.
• Implement cybersecurity programs, policies, and procedures for assigned systems.
• Maintain working knowledge of current and upcoming events, system functions, policies, safeguards, and security measures.
• Serve as a subject matter expert (SME) in DoD, DIA, and RMF core concepts and processes.
• Coordinate with applicable stakeholders across the enterprise to ensure security compliance and readiness.
• Maintain Authorization to Operate (ATO) packages for assigned systems within the designated A&A System of Record (e.g., eMASS, XACTA 360, Keystone).
• Review and analyze audit logs to detect potential anomalies or threats.
• Perform validation checks to ensure CM-approved software and antivirus definitions are installed on assigned systems.
• Conduct compliance/vulnerability scans and manual checks to identify and mitigate risks.
• Execute ISSO-specific tasks as outlined in program security plans.
• Implement account management processes, issuing credentials, and enforcing least-privilege principles.
• Deliver cybersecurity education, training, and awareness to system users as required by the ISSM

Skills

Top Secret clearance

IAT Level II

RMF knowledge

Cybersecurity policy guidance

Education

Bachelor’s degree in Cybersecurity or related

8+ years relevant experience

Tools

VMware vSphere

vCenter

NSX

ESXi

RHEL

Ansible

Kubernetes

StackRox

OpenShift

AWS

Azure

F5 BIG-IP

Cisco networking

STIG implementation

IAVA implementation

NetApp storage

Dell Blade Servers

Job description

Great Hill Solutions, LLC seeks a highly motivated Information Systems Security Officer (ISSO) to join our Orlando-based technical team supporting the National Cyber Range Complex (NCRC). The ISSO will work with the ISSM to ensure compliance, readiness, and secure mission execution across DoD environments, coordinating across domains including physical, information, cyber, and personnel security.

Responsibilities include maintaining RMF artifacts, A&A activities, continuous monitoring, and