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Information System Security Engineer (ISSE)

Arsquaretech.com


Job Location:

Howard County, MD - USA

Monthly Salary: Not provided by the employer
Posted: 15 October 2026 (16 hours ago)
Application Deadline: 12 January 2027
Vacancies: 1 Vacancy

Job Summary

Hi

We are looking for a Information System Security Engineer (ISSE)

Locations: Maryland
Clearance Required: Active TS/SCI with Full Scope Polygraph
Certification Requirement: DoD 8570/8140 IASAE Level II Compliant Certification Required

Required Qualifications

  • Active TS/SCI with Full Scope Polygraph security clearance
  • U.S. Citizenship
  • DoD 8570/8140 IASAE Level II compliant certification required
  • Strong understanding of the Risk Management Framework (RMF)
  • Experience supporting Assessment & Authorization (A&A) and Authority to Operate (ATO) processes
  • Experience with security control implementation validation and continuous monitoring
  • Familiarity with NIST SP 800-37 and NIST SP 800-53 (Rev. 3 and/or Rev. 5)
  • Experience with RMF and cybersecurity tools such as:LATTEARTXACTABISCOTTIWATCHCATSTE
  • Experience with compliance and configuration scanning tools
  • Strong analytical troubleshooting and documentation skills

Technical Responsibilities

  • Support the full RMF lifecycle for classified systems
  • Assist with A&A package development and Authority to Operate (ATO) maintenance
  • Implement assess and validate security controls
  • Perform Security Control Traceability and technical validation
  • Support system boundary definition and security architecture documentation
  • Develop and maintain RMF artifacts and body of evidence packages
  • Conduct compliance and vulnerability scanning analysis
  • Validate findings including false positive identification and remediation verification
  • Support STIG implementation and configuration hardening
  • Manage patch validation and security compliance efforts
  • Participate in Continuous Monitoring (ConMon) activities

Required Experience:

IC