
Information Systems Security Engineer – Top Secret Clearance, SCI Eligibility
AMERICAN SYSTEMS
full-time
Posted on:
Location Type: Office
Location: Dallas • Texas • 🇺🇸 United States
Visit company websiteSalary
💰 $129,800 - $216,700 per year
Job Level
SeniorLead
Tech Stack
LinuxOracleSplunkSQL
About the role
- 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
Requirements
- Active Top Secret clearance with SCI eligibility
- Willingness to submit for a CI Polygraph
- 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)
- 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.)
- 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
Benefits
- healthcare benefits
- paid leave
- retirement plans
- insurance programs
- education and training assistance
Applicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard skills
security architecture designsystem authorizationcontrol implementationRMF authorizationsecurity assessmentscompliance scanslog reviewfirewall configurationsecurity remediationincident response
Soft skills
collaborationcommunicationproblem-solvinganalytical thinkingattention to detailorganizational skillsleadershipadaptabilitycritical thinkingchange management
Certifications
Top Secret clearanceSCI eligibilityDoD 8140 IAT Level IIISecurityXCISSPCCNP SecurityCISAGCEDGCIHCCSP