Information System Security Engineer (ISSE)
Core
Design, implement, and maintain enterprise security architecture and systems for DoD intelligence and national security communities, ensuring compliance with NIST RMF, DoD STIGs, and FedRAMP standards.
Role type
Senior Information System Security Engineer (ISSE)
Builds
Secure DoD IA architectures, systems, and components for computing, network, and enclave environments
Domain
National Security / Defense / Cybersecurity
Deliverable
production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work
Required skills
NIST RMF compliance, DoD STIGs, vulnerability management, incident response, security automation, privileged access management, cloud security, container security, security architecture design, risk assessment
Preferred skills
Mentoring junior engineers, presenting technical briefings to leadership, establishing cyber risk measurement frameworks
Technologies
Tenable Nessus, CyberArk, Trellix ePO, Splunk Enterprise, PowerShell, Bash, Python, Ansible, AWS, Azure, Kubernetes, VMware vSphere, GitLab, Windows Server, Red Hat Enterprise Linux, Ubuntu Linux
Responsibilities
Design and implement enterprise security architecture aligned with NIST RMF and DoD STIGs; Perform security engineering activities across SDLC including requirements analysis and accreditation support; Implement vulnerability management processes using Tenable Nessus, ACAS, and Qualys; Integrate cybersecurity requirements into Windows/Linux servers, cloud infrastructure, and containerized applications; Support incident response and forensic investigations using Splunk; Develop automation scripts for remediation and compliance; Engineer endpoint protection and hardening solutions; Evaluate and implement cybersecurity tools for continuous monitoring; Produce technical security documentation and executive risk reports; Administer CyberArk modules (EPV, PVWA, CPM, PSM); Monitor and detect cyber events; Establish frameworks for measuring cyber risk; Determine security requirements by evaluating business strategies and conducting risk assessments; Implement security systems including intrusion detection and key management; Maintain security compliance and conduct training programs.
Seniority
Senior, hands-on IC with mentorship responsibilities