OverviewAMERICAN SYSTEMS is seeking a highly experienced
Information Systems Security Engineer (ISSE) to support a
Special Access Program (SAP) in
Dallas, Texas.
This role is suited for an experienced security engineer who combines
deep JSIG and RMF expertise with hands-on security assessment experience across
both Linux and Windows systems in highly restricted environments. The ideal candidate understands
security controls at an engineering level and can author, tailor, and defend documentation without reliance on automated RMF tools.
ResponsibilitiesAs an
Information Systems Security Engineer (ISSE) at AMERICAN SYSTEMS, you will:
- Design and implement enterprise-level security architectures for SAP systems
- Apply JSIG requirements to system authorization, control implementation, and documentation
- Manually develop RMF/JSIG authorization artifacts, including SSPs, control narratives, POA&Ms, and supporting evidence
- Perform hands-on security assessments on Linux and Windows systems, including command-line audits, compliance scans, log review, and control validation
- Analyze scan results, identify security gaps, and support remediation planning and execution
- Validate and implement host-based firewall and security 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 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
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Qualifications- Active Top Secret clearance with SCI eligibility
- Willingness to submit for a CI Polygraph
Education, Experience and Certifications- Bachelor's degree in a STEM discipline with 10-11 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
- DoD 8140 IAT Level III-equivalent certification (e.g., SecurityX, CISSP, CCNP Security, CISA, GCED, GCIH, or CCSP)
SAP and Authorization Expertise- Demonstrated experience supporting Special Access Programs (SAP)
- Working knowledge of JSIG and its application to RMF authorization
- Proven experience authoring RMF/JSIG artifacts by hand, without reliance on automated RMF tools (eMASS, Xacta, etc.)
- Strong background in RMF, ICD 503, NIST SP 800-53, DCID 6/3, or current DoD authorization practices
Technical Security Experience- Hands-on security assessment experience across Linux systems, including command-line validation when required
- 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
Pay Transparency StatementAMERICAN SYSTEMS is committed to pay transparency for our applicants and employee-owners. The salary range for this position is USD $129,800.00/Yr. - USD $216,700.00/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 StatementEEO Race/Sex/Disability StatVeteran Status
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