MAXISIQ is seeking a highly skilled Information Security Specialist / Information Systems Security Engineer (ISSE) to support Department of Defense RMF, ICD 503, and related security controls (NIST SP 800-53, CNSSI 1253). The role emphasizes engineering and hands-on security across system hardening, automation, and vulnerability remediation, with responsibilities including selecting and tailoring NIST SP 800-53 controls for RMF A&A, developing layered protections, and establishing cybersecurity SOPs. Based in San Antonio, Texas, this on-site role requires you to perform vulnerability management across Windows, Linux/Unix, and containerized environments, automate security configurations with Ansible and Python, and implement DISA STIGs and CIS Benchmarks on RHEL, Ubuntu, Windows, VMware/ESXi, as well as network devices (Cisco, Juniper). You will manage Linux administration and Windows Domain Controller compliance, support container security with Docker, conduct vulnerability scans with ACAS, and collaborate with developers to ensure secure coding practices and CI/CD integration. Additional duties include delineating physical and logical security boundaries, training developers in secure software development, and contributing to RMF Continuous Monitoring and POA&M remediation. Qualifications include 8+ years of ISSE/Security Engineer experience with RMF, hands-on vulnerability management, proficiency with Ansible and Python, experience with virtualization and container technologies, network device hardening, and familiarity with DISA STIGs/SCAPs/CIS Benchmarks. A Top Secret/S

MAXISIQ is seeking a highly skilled Information Security Specialist / Information Systems Security Engineer (ISSE) to support Department of Defense RMF, ICD 503, and related security controls (NIST SP 800-53, CNSSI 1253). The role emphasizes engineering and hands-on security across system hardening, automation, and vulnerability remediation, with responsibilities including selecting and tailoring NIST SP 800-53 controls for RMF A&A, developing layered protections, and establishing cybersecurity SOPs. Based in San Antonio, Texas, this on-site role requires you to perform vulnerability management across Windows, Linux/Unix, and containerized environments, automate security configurations with Ansible and Python, and implement DISA STIGs and CIS Benchmarks on RHEL, Ubuntu, Windows, VMware/ESXi, as well as network devices (Cisco, Juniper). You will manage Linux administration and Windows Domain Controller compliance, support container security with Docker, conduct vulnerability scans with ACAS, and collaborate with developers to ensure secure coding practices and CI/CD integration. Additional duties include delineating physical and logical security boundaries, training developers in secure software development, and contributing to RMF Continuous Monitoring and POA&M remediation. Qualifications include 8+ years of ISSE/Security Engineer experience with RMF, hands-on vulnerability management, proficiency with Ansible and Python, experience with virtualization and container technologies, network device hardening, and familiarity with DISA STIGs/SCAPs/CIS Benchmarks. A Top Secret/S