AMERICAN SYSTEMS
Information Systems Security Engineer (ISSE) - Red Hat Enterprise Linux (RHEL)
- Compensation
- Not disclosed
- Location
- Arlington, VA, US
- Work setup
- Not specified
- Seniority
- Not specified
- Employment
- Contract
- Experience
- 5+ years
- Category
- Security
- Posted
Skills
Must have
- Active Top Secret/SCI with SAP eligibility
- Bachelor’s degree in a STEM discipline with 11–12 years of relevant experience, or Master’s degree with 8–10 years of relevant experience
- Minimum 5 years of experience designing and implementing enterprise-scale security solutions with hands-on security assessment experience, including command-line validation, across Linux systems.
- DoD 8140 IAT Level III–equivalent certification (e.g., SecurityX, CISSP, CCNP Security, CISA, GCED, GCIH, or CCSP)
- Working experience in Linux command-line (eg. RHEL, Ubuntu, Fedora, CentOS)
- Strong background in RMF, ICD 503, NIST SP 800-53, DCID 6/3, or current DoW authorization practices
- Working knowledge of the JSIG and its application to RMF authorization
- Experience supporting security tools such as Splunk Enterprise, ACAS, SELinux, Rsyslog, Shorewall, Firewalld
- Demonstrated security engineering experience across Linux, Cisco networking, databases (SQL or Oracle), and virtualized environments
Full description
Overview
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.
Responsibilities
As an
Information Systems Security Engineer (ISSE) at AMERICAN SYSTEMS, you will:
- 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.
Qualifications
- Active Top Secret/SCI with SAP eligibility
- Bachelor’s degree in a STEM discipline with 11–12 years of relevant experience, or
- Master’s degree with 8–10 years of relevant experience
- Minimum 5 years of experience designing and implementing enterprise-scale security solutions with experience, , across Linux systems.