Hands-On ISSE - RMF/ATO Security Engineer (Linux/VMware)

Red River; Virginia (IL); On-site; USD 120,000 - 180,000; Full time

Job summary

Red River is seeking a highly technical Information Systems Security Engineer (ISSE) to support a U.S. Navy program through RMF and ATO, system hardening, vulnerability remediation, and day-to-day security engineering.

This hands-on role focuses on Linux servers, virtualization, networks, and security monitoring to implement, troubleshoot, and maintain security controls. You'll work with system admins, network engineers, and cyber personnel to translate RMF/ATO requirements into practical

Qualifications

• Bachelor's degree in cybersecurity, computer science, information technology, engineering, or related field, or equivalent professional experience.
• 7+ years of hands-on cybersecurity, systems engineering, network engineering, or information assurance experience.
• Experience supporting RMF and ATO activities within a DoD environment.

Responsibilities

• Perform hands-on security engineering in support of Navy RMF and ATO requirements.
• Implement and validate technical security controls across servers, virtualization, network, and logging environments.
• Harden systems in accordance with DISA STIGs and Navy security requirements.
• Perform vulnerability remediation, including analysis of findings, root-cause identification, remediation, and validation.
• Configure, secure, troubleshoot, and validate RHEL/Linux systems.
• Support security hardening and troubleshooting of VMware environments.
• Perform security configuration and troubleshooting of Cisco Catalyst and Cisco ACI infrastructure.
• Support centralized security logging and monitoring using Splunk and Cribl.
• Analyze system and security logs to troubleshoot issues and validate security requirements.
• Support collection and validation of technical evidence required for RMF/ATO activities.
• Translate RMF security requirements into practical technical implementations.
• Work with infrastructure teams to remediate security deficiencies.
• Automate repetitive security tasks where appropriate.

Skills

Linux administration

Vulnerability remediation

RMF/ATO experience

Network engineering

Education

Bachelor's degree in cybersecurity or related field

Tools

VMware

Cisco ACI

Cisco Catalyst

Splunk

Cribl

Tenable/Nessus

Job description

Red River is seeking a highly technical Information Systems Security Engineer (ISSE) to support a U.S. Navy program through RMF and ATO, system hardening, vulnerability remediation, and day-to-day security engineering.

This hands-on role focuses on Linux servers, virtualization, networks, and security monitoring to implement, troubleshoot, and maintain security controls. You'll work with system admins, network engineers, and cyber personnel to translate RMF/ATO requirements into practical