Senior Cybersecurity Engineer on-site in San Antonio, Texas, United States. This role designs and implements enterprise security architectures for complex systems, aligning with NIST SP 800-53 and RMF controls across on-premises and cloud environments. It integrates security into the software development lifecycle by configuring automated SAST/DAST scans, container security controls, and infrastructure-as-code validation to support DevSecOps practices. The engineer designs, implements, and manages Zero Trust security models, including identity, device, and network segmentation strategies to protect sensitive data and services. Responsibilities include configuring, operating, and optimizing SIEM platforms and log aggregation for real-time threat detection and monitoring; implementing network security technologies such as firewalls, IDS/IPS, VPNs, and micro-segmentation; leading threat modeling, vulnerability assessments, and penetration testing with remediation planning. Direct incident response activities, including forensic analysis, containment, eradication, and recovery, and provide post-incident lessons learned and process improvements. Implement secure authentication, authorization, and encryption across distributed systems, enforcing IAM and data protection policies. Develop security policies, procedures, and compliance documentation, and support audit preparation and governance activities in highly regulated environments. Collaborate with development, infrastructure, and operations teams to embed security best practices and maintain continuous security posture improv

Senior Cybersecurity Engineer on-site in San Antonio, Texas, United States. This role designs and implements enterprise security architectures for complex systems, aligning with NIST SP 800-53 and RMF controls across on-premises and cloud environments. It integrates security into the software development lifecycle by configuring automated SAST/DAST scans, container security controls, and infrastructure-as-code validation to support DevSecOps practices. The engineer designs, implements, and manages Zero Trust security models, including identity, device, and network segmentation strategies to protect sensitive data and services. Responsibilities include configuring, operating, and optimizing SIEM platforms and log aggregation for real-time threat detection and monitoring; implementing network security technologies such as firewalls, IDS/IPS, VPNs, and micro-segmentation; leading threat modeling, vulnerability assessments, and penetration testing with remediation planning. Direct incident response activities, including forensic analysis, containment, eradication, and recovery, and provide post-incident lessons learned and process improvements. Implement secure authentication, authorization, and encryption across distributed systems, enforcing IAM and data protection policies. Develop security policies, procedures, and compliance documentation, and support audit preparation and governance activities in highly regulated environments. Collaborate with development, infrastructure, and operations teams to embed security best practices and maintain continuous security posture improv