Information Systems Security Engineer (ISSE) - Red Hat Enterprise Linux (RHEL)AMERICAN SYSTEMS

AMERICAN SYSTEMS, a 100% employee-owned federal contractor, is seeking a highly experienced Information Systems Security Engineer (ISSE) to support Red Hate Enterprise Linux systems in a High Performance Computing (HPC) environment in Arlington, VA.

This role includes a $10,000 sign-on bonus in addition to a generous compensation package.

• Design and implement enterprise-level security architectures for RHEL systems in a High Performance Computing (HPC) SAP environment
• Utilize RHEL command-line and systems knowledge to apply JSIG requirements across the entire environment.
• Manually develop RMF/JSIG authorization artifacts, including SSPs, control narratives, POA&Ms, and supporting evidence
• Perform hands-on security assessments on Linux, Palo Alto, Cisco, PostgreSQL and ESXI systems including command-line audits, compliance scans, log review, and control validation
• Analyze scan results, identify security gaps, develop remediation plans and execute these plans in a production environment.
• Validate and implement host-based firewall and auditd configurations in coordination with system administrators
• Manage and track POA&Ms through mitigation, remediation, or risk acceptance
• Ensure system compliance through continuous monitoring of controls, procedures, and documentation
• Identify security deficiencies and provide actionable remediation recommendations
• Support system recovery and lead technical security oversight following outages or incidents
• Lead incident response investigation, mitigation, reporting and remediation.
• Collaborate with engineering teams to integrate security requirements into system design and production releases.