ServiceNow, Jenkins, or GitHub Actions. Security Ensure UNIX systems are hardened and compliant with security frameworks. Manage OS-level security policies including firewall rules, kernel parameters, selinux policies and secure configurations. Integrate systems for identity and privileged access management. Support audit, forensic, and security event investigations in coordination with InfoSec teams. Regularly review and remediate securityMore ❯
Hemel Hempstead, Hertfordshire, South East, United Kingdom
Sopra Steria Limited
processes . What youll bring: Active DV Clearance. Proven expertise in Red Hat Enterprise Linux ( RHEL ) administration and design. Strong understanding of security controls , including host firewalls , SELinux , and intrusion detection. Knowledge of networking fundamentals , especially from a security perspective. Experience working in highly governed environments with tight SLAs. Skilled in patch management and system update procedures. More ❯
experience with C++ and good understanding of Perl and Python MUST have good understanding of the Linux Operating System Internals, Linux OS Bring Up, Secure Boot, Bootloader, SELinux Significant PLUS: have experience with triaging & analyzing issues, recommending recommendations and implementing fixes for security vulnerabilities (CVE's and OWASP Top 25 issues) Significant PLUS : Strong understanding of certificates More ❯
