ISSE I: DoD Security Engineer (Secret) — On-site, Richardson

Cyber Defense Technologies; Richardson (TX); On-site; USD 70,000 - 100,000; Full time

Benefits offered by this job

Health & retirement

Professional development

Job summary

Cyber Defense Technologies in Richardson, TX is seeking an ISSE I for a DoW program. The role is hands-on security engineering, systems administration, and information assurance on-site in Richardson, TX. An active Secret clearance is required to be considered.

Responsibilities include maintaining classified enterprise systems, supporting lifecycle security, monitoring with Nessus, Trellix, and Splunk, and ensuring changes follow Change Management. RMF/NIST/NISPOM compliance is essential.

Qualifications

• 3+ years deploying, configuring, maintaining, and monitoring computer systems and networks.
• Professional certifications such as Security+, CISSP, CCNA, RHCSA are preferred.

Responsibilities

• Administer and maintain classified enterprise systems and technologies (VMware, Linux, Windows).
• Provide security engineering and DoD RMF/NIST/NISPOM compliance support.
• Conduct continuous monitoring and system security testing with Nessus/Trellix/Splunk.
• Develop mitigation plans and patching for identified findings.
• Ensure changes follow Change Management and do not impact security.
• Maintain Trellix/ENS and perform authorization/re-authorization documentation.

Skills

Security engineering

Systems administration

Information assurance

RMF/NIST/NISPOM knowledge

Network engineering

Education

Security+, CISSP, CCNA, RHCSA

Tools

Nessus/ACAS

Splunk Enterprise

Trellix

VMware vSphere

Windows Server

Windows Workstation

Job description

Cyber Defense Technologies in Richardson, TX is seeking an ISSE I for a DoW program. The role is hands-on security engineering, systems administration, and information assurance on-site in Richardson, TX. An active Secret clearance is required to be considered.

Responsibilities include maintaining classified enterprise systems, supporting lifecycle security, monitoring with Nessus, Trellix, and Splunk, and ensuring changes follow Change Management. RMF/NIST/NISPOM compliance is essential.