Cyber Defense Technologies · 6 hours ago
Information System Security Engineer (ISSE)
St. Petersburg, FL
Full-time
Onsite
Senior Level
5+ years expCyber Defense Technologies (CDT) is seeking a highly skilled and experienced Information System Security Engineer (ISSE) to join their team. The role involves managing security challenges, implementing security standards, and ensuring compliance across a diverse systems portfolio.
Cyber SecurityInformation TechnologySecurity
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Manage and secure a highly diverse distribution of system images
Serve as the security lead for "first-of-its-kind" technologies
Apply Information Assurance (IA) concepts and DoW security standards to proactively identify and neutralize security risks before they impact mission readiness
Lead the establishment of continuous monitoring processes to streamline Authorization to Operate (ATO) workflows
Implement and engineer advanced security monitoring solutions for Risk Management Framework (RMF) compliance across diverse systems and regional AOR sensors
Independently map NIST 800-53 controls and DISA Control Correlation Identifiers (CCI) to new system capabilities to ensure seamless ATO renewals
Coordinate complex system updates and configuration changes directly with customers, maintaining meticulous version history and compliance documentation
Execute and engineer security safeguards across enterprise, embedded, and air-gapped systems on a wide variety of hardware platforms
Own the full remediation process for identified vulnerabilities, moving beyond mere identification to technical resolution
Independently manage and execute full patching cycles for Windows, Linux, Android, and iOS environments
Design and execute original security test cases and conduct comprehensive security testing to validate system resilience
Rapidly engineer technical solutions that adapt to evolving customer requirements and real-world mission demands
Qualification
Required
Minimum of 5–8 years of experience in Information System Security Engineering (ISSE) or Systems Administration, with a proven track record of managing security for complex, multi-platform environments
Bachelor's degree in computer science, Cybersecurity, Engineering, or a related technical field (Equivalent professional experience may be considered)
Must possess an active IAM/IAT Level II or III certification (e.g., CISSP, CASP+, or Security+ CE) to meet baseline federal requirements
Demonstrated expert-level proficiency in both Linux (RHEL/Ubuntu) and Windows Server environments, including command-line mastery and system hardening
Hands-on experience navigating the NIST 800-53 Risk Management Framework (RMF) from initial categorization through continuous monitoring and ATO maintenance
Professional experience managing VMware environments and executing complex image distribution processes across diverse hardware sets
Advanced experience with vulnerability assessment tools (e.g., ACAS, Nessus, SCAP) and the ability to interpret raw data into actionable engineering tasks
Preferred
Proven operational experience integrating and securing tactical sensors and cutting-edge technologies within the U.S. Special Operations Command (SOCOM) environment
Skilled in the deployment and hardening of mission-specific hardware, with the ability to bridge the gap between specialized tactical equipment and enterprise-level security standards
We value a combination of formal professional training and intensive, 'boots-on-the-ground' technical experience in high-tempo defense environments
Benefits
Comprehensive benefits package, including health, dental, and retirement plans.
Opportunities for professional development and career advancement.
Company
Cyber Defense Technologies
CDT is a Service Disabled Veteran Owned Small Business (SDVOSB) and cyber security firm that provides consulting and security services.
11-50 employees
Funding
Current Stage
Early StageLeadership Team
William Kimble
Co-Founder and Chief Executive Officer
James Wright
Co-Founder, President, and COO
Recent News
2022-07-07
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