The Senior Linux/Unix Engineer is responsible for deploying, configuring, and maintaining Red Hat Enterprise Linux and Solaris systems on‑premises and cloud environments. This includes managing system builds, patching, security hardening, performance tuning, and troubleshooting complex OS‑level issues. The engineer will oversee lifecycle management for RHEL and Solaris servers, ensuring stability, high availability, and compliance with organisational and security standards. Key responsibilities also include automating operational tasks using tools such as Ansible or shell scripting, monitoring system health, supporting application teams with environment requirements, and contributing to the design and implementation of resilient infrastructure solutions. The role requires strong collaboration with security, networking, and application teams to ensure reliable and efficient delivery of Unix‑based services.
Hybrid Working Position requiring 3 Days in Office a week based in London.
- Provide engineering and senior‑level support for all UNIX platforms, including Red Hat Enterprise Linux 8/9, Rocky, Solaris 11, and Oracle Linux.
- Banking and/or Financial Industry experience.
- Supporting core financial applications running on Linux and Solaris environments (any experience of Murex desirable).
- Build, patch, and upgrade systems to ensure stability, security, and compliance.
- Maintain system build images and create packages (RPM) as required.
- Identify opportunities to improve, streamline, or automate operational processes.
- Lead incident management activities, including investigation, resolution, and root‑cause analysis.
- Assist with fault diagnosis, performance tuning, and provide recommendations for system improvements.
- Manage the full lifecycle of operating systems, including continuous review and deployment of vendor security patches, bug fixes, and communication of EOL milestones to customers.
- Identify hardware and software obsolescence and plan appropriate remediation activities.
- Address recurring issues by implementing fix‑at‑source solutions or developing automated/self‑healing processes using Ansible, Python, or Bash.
- Maintain strong relationships with stakeholders and act as a trusted technical partner.
- Promote a DevOps mindset by encouraging agile practices and collaboration with other technical teams.
- Continuously review operational processes and procedures to identify efficiencies and drive modern, improved ways of working.
- Provide accurate documentation, technical guidance, and effective solutions to Service Delivery Team.
- Perform trend and capacity management to ensure systems have adequate resources to meet demand.
- Identify and track configuration‑management drift and support remediation.
- Support disaster recovery and business continuity testing activities.
- Assist with audit activities, including remediation planning and treatment plans.
- Participate in the out‑of‑hours on‑call rota, as well as weekend and project work when required.
The Senior Linux/Unix Engineer is responsible for deploying, configuring, and maintaining Red Hat Enterprise Linux and Solaris systems on‑premises and cloud environments. This includes managing system builds, patching, security hardening, performance tuning, and troubleshooting complex OS‑level issues. The engineer will oversee lifecycle management for RHEL and Solaris servers, ensuring stability, high availability, and compliance with organisational and security standards. Key responsibilities also include automating operational tasks using tools such as Ansible or shell scripting, monitoring system health, supporting application teams with environment requirements, and contributing to the design and implementation of resilient infrastructure solutions. The role requires strong collaboration with security, networking, and application teams to ensure reliable and efficient delivery of Unix‑based services.
Hybrid Working Position requiring 3 Days in Office a week based in London.
- Provide engineering and senior‑level support for all UNIX platforms, including Red Hat Enterprise Linux 8/9, Rocky, Solaris 11, and Oracle Linux.
- Banking and/or Financial Industry experience.
- Supporting core financial applications running on Linux and Solaris environments (any experience of Murex desirable).
- Build, patch, and upgrade systems to ensure stability, security, and compliance.
- Maintain system build images and create packages (RPM) as required.
- Identify opportunities to improve, streamline, or automate operational processes.
- Lead incident management activities, including investigation, resolution, and root‑cause analysis.
- Assist with fault diagnosis, performance tuning, and provide recommendations for system improvements.
- Manage the full lifecycle of operating systems, including continuous review and deployment of vendor security patches, bug fixes, and communication of EOL milestones to customers.
- Identify hardware and software obsolescence and plan appropriate remediation activities.
- Address recurring issues by implementing fix‑at‑source solutions or developing automated/self‑healing processes using Ansible, Python, or Bash.
- Maintain strong relationships with stakeholders and act as a trusted technical partner.
- Promote a DevOps mindset by encouraging agile practices and collaboration with other technical teams.
- Continuously review operational processes and procedures to identify efficiencies and drive modern, improved ways of working.
- Provide accurate documentation, technical guidance, and effective solutions to Service Delivery Team.
- Perform trend and capacity management to ensure systems have adequate resources to meet demand.
- Identify and track configuration‑management drift and support remediation.
- Support disaster recovery and business continuity testing activities.
- Assist with audit activities, including remediation planning and treatment plans.
- Participate in the out‑of‑hours on‑call rota, as well as weekend and project work when required.
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