Information System Security Engineering (ISSE) Onsite
Core
Implement, assess, and maintain cybersecurity controls for classified DoD information systems and networks to ensure compliance with security requirements and maintain Authorization to Operate (ATO).
Role type
Senior IC Information Systems Security Engineer (ISSE)
Builds
Classified DoD systems and networks
Domain
Defense / Cybersecurity
Required skills
Risk Management Framework (RMF), NIST 800-53 security controls, System Security Plans (SSPs), Security Assessment Reports (SARs), Plans of Action & Milestones (POA&Ms), Authority to Operate (ATO) packages, DISA STIGs, SRGs, vulnerability assessment, security architecture design
Preferred skills
Intelligence Community (IC) program support, eMASS, ACAS, Nessus, Continuous Monitoring (ConMon), cloud security (Azure Government, AWS GovCloud), DevSecOps
Technologies
eMASS, ACAS, Nessus, Azure Government, AWS GovCloud (via careerplan.io/jobs/79-00B-6E-275-CF-60A-information-system-security-engineering-isse-onsite)
Responsibilities
Support implementation and maintenance of cybersecurity requirements throughout the system development lifecycle; Apply RMF principles to support system authorization and continuous monitoring; Develop and maintain cybersecurity documentation including SSPs, SARs, and POA&Ms; Analyze systems to identify security risks and compliance gaps; Implement and validate security controls per NIST SP 800-53; Evaluate vulnerability scan results and coordinate remediation; Collaborate with developers and system administrators to integrate security requirements; Participate in audits, inspections, and compliance reviews.
Seniority
Senior, hands-on IC
