Secret‑Clearance ISSE: Hands‑On Security Engineer (DoD)

Cyber Defense Technologies; Richardson (TX); On-site; USD 90,000 - 120,000; Full time

Benefits offered by this job

Health insurance

Retirement plans

Professional development

Job summary

Cyber Defense Technologies (CDT) is seeking an Information System Security Engineer (ISSE) for a DoW program in Richardson, TX. This hands-on, on-site role provides security engineering, systems administration and information assurance support to the program.

An active Secret clearance is required. The selected candidate will work with VMware vSphere, Enterprise Linux, Cisco devices, Palo Alto, Windows Server/Workstation and security tooling like Nessus, Trellix, and Splunk to support

Qualifications

• 3+ years deploying, configuring, maintaining, and monitoring computer systems and networks.
• Technical certifications such as Security+, CISSP, CCNA, RHCSA, or similar

Responsibilities

• Administer, maintain, upgrade, and ensure readiness of classified systems and technologies.
• Provide security engineering and IA support throughout system life cycle.
• Conduct continuous monitoring and security testing with Nessus, ACAS, Trellix, and Splunk.
• Develop and maintain authorization/re-authorization documentation.
• Monitor POA&M progress and ensure policy compliance.
• Support configuration management, continuity, and disaster recovery efforts.

Skills

Security engineering

Network engineering

Windows server/admin

RMF/NIST/NISPOM

Vulnerability assessment

Education

Security+ / CISSP / CCNA / RHCSA or similar

Tools

VMware vSphere

Cisco devices

Palo Alto

Nessus/ACAS

Splunk Enterprise

Job description

Cyber Defense Technologies (CDT) is seeking an Information System Security Engineer (ISSE) for a DoW program in Richardson, TX. This hands-on, on-site role provides security engineering, systems administration and information assurance support to the program.

An active Secret clearance is required. The selected candidate will work with VMware vSphere, Enterprise Linux, Cisco devices, Palo Alto, Windows Server/Workstation and security tooling like Nessus, Trellix, and Splunk to support