American Systems is seeking an experienced Information Systems Security Engineer (ISSE) to safeguard Red Hat Enterprise Linux and Windows platforms within a High Performance Computing environment in Arlington, Virginia. The role emphasizes security architecture design, manual RMF and JSIG artifact development, rigorous security assessments, and ongoing compliance in a federal context.
Overview
American Systems, a 100% employee-owned federal contractor, is looking for a seasoned ISSE to support RHEL and Windows systems in an HPC SAP environment in Arlington, VA. The position includes a $10,000 sign-on bonus in addition to a robust compensation package.
Responsibilities
- Develop and implement enterprise security architectures for RHEL platforms operating within an HPC SAP environment.
- Apply JSIG controls to RMF authorization, control implementation, and documentation.
- Manually produce RMF and JSIG authorization artifacts, including SSPs, control narratives, POA&Ms, and supporting evidence.
- Conduct hands-on security assessments on Linux and Windows systems, performing command-line audits, compliance scans, log reviews, and control validation.
- Review assessment findings, identify security gaps, and support remediation planning and execution.
- Validate and deploy host-based firewall and security configurations in coordination with system administrators.
- Track and manage Plans of Action and Milestones through mitigation, remediation, or risk acceptance.
- Maintain continuous system compliance through ongoing monitoring of controls, procedures, and documentation.
- Identify security deficiencies and provide actionable remediation recommendations.
- Support system recovery and security oversight following outages or incidents.
- Participate in change management activities, assessing security impacts to SAP systems.
- Support security investigations, incident response, and remediation activities.
- Collaborate with engineering teams to integrate security requirements into system design and production releases.
Requirements
- Active Top Secret/SCI clearance with SAP eligibility.
- Bachelor’s degree in a STEM field with 11 to 12 years of relevant experience; or Master’s degree with 8 to 10 years of relevant experience.
- Minimum 5 years designing and implementing enterprise-scale security solutions with hands-on security assessment experience on Linux systems, including command-line validation.
- DoD 8140 IAT Level III–equivalent certification (examples include SecurityX, CISSP, CCNP Security, CISA, GCED, GCIH, CCSP).
- Strong background in RMF, ICD 503, NIST SP 800-53, DCID 6/3, or current DoD authorization practices.
- Working knowledge of the JSIG and its application to RMF authorization.
- Proven ability to author RMF/JSIG artifacts by hand, without reliance on automated RMF tools (eMASS, Xacta, etc.).
- Experience supporting security tools such as Splunk Enterprise, HBSS, McAfee ePO, ENS, and DLP.
- Demonstrated security engineering experience across Linux, Windows, Cisco platforms, databases (SQL or Oracle), and virtualized environments.
Technologies
- RHEL
- Windows
- Linux
- SAP
- Splunk Enterprise
- HBSS
- McAfee ePO
- ENS
- DLP
- eMASS
- Xacta
- SQL
- Oracle
- Cisco
- Virtualized environments
- JSIG
- RMF
Benefits
- Sign-on bonus
- Healthcare benefits
- Paid leave
- Retirement plans
- Insurance programs
- Education and training assistance
Pay Transparency
American Systems is committed to pay transparency for our applicants and employee-owners. The salary range for this position is USD $165,000.00/Yr. - USD $200,000/Yr. Actual compensation will be determined based on several factors permitted by law. American Systems provides for the welfare of its employees and their dependents through a comprehensive benefits program by offering healthcare benefits, paid leave, retirement plans, insurance programs, and education and training assistance.
EEO Statement
EEO Race/Sex/Disability Status/Veteran Status
