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 ❯
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 ❯
to write and utilize shell scripts (e.g., Bash) and automation tools like Ansible for efficient system management and migration processes. Familiarity with implementing security best practices, managing firewalls, SELinux, and ensuring compliance with organizational policies during and after migration. Expertise with code repository management, code merge and quality checks, continuous integration, and automated deployment and management using tools like … RedHat OpenShift and other Azure/AWS PaaS. Bash scripting and tools like Ansible for task automation and system management. Network configurations, protocols, and troubleshooting in Linux environments. SELinux, firewalls, and implementing security best practices. Ability to monitor, diagnose, and optimize system performance for efficiency. Expertise in scripting languages such as Python, PowerShell & Shell. Expertise in Kubernetes for More ❯
Cardiff, South Glamorgan, United Kingdom Hybrid / WFH Options
ASSA ABLOY Global Solutions
Buildroot. Enforcing security e.g. secure boot, trusted execution environments and read-only rootfs. Reviewing kernel configurations with an eye to security (e.g. KASLR). Creating and managing SELinux/AppArmour profiles. Leading the design of scalable system update mechanisms and diagnostics tools. Performing code reviews and mentoring junior engineers. Interfacing with hardware, product, and application teams to ensure More ❯
