Gemstone DevOps Engineer ( Contractor

Through our client-facing brands and our other specialist brands, Momentum Group enables business and people from all walks of life to achieve their financial goals and life aspirations.
We help people grow their savings, protect what matters to them and invest for the future. We help companies and organisations care for and reward their employees and members. Through our own network of advisers or via independent brokers and utilising new platforms Momentum Group provides practical financial solutions for people, communities and businesses.

Disclaimer As an applicant, please verify the legitimacy of this job advert on our company career page.

The Linux/Windows Systems Administrator is responsible for the installation, configuration, administration, monitoring, maintenance, and optimisation of Linux servers hosting Gem Stone/S application environments. The role ensures the stability, security, performance, and availability of production, test, and development systems while working closely with application development teams, infrastructure teams. This is the primary Dev Ops role for the Gemstone/s environment.

• Diploma or Degree in Information Technology, Computer Science, Engineering, or a related field.
• Relevant Linux certifications will be advantageous.
• 5+ years of Linux systems administration experience.
• 2+ years supporting enterprise application platforms.
• Experience administering mission-critical production environments.
• Experience supporting Gem Stone/S environments is highly advantageous.

• Configure, and maintain Linux operating systems across development, test, prelive, and production environments.
• Coordinate operating system upgrades, patching, and security updates with I&O and other stakeholders.
• Manage user accounts, permissions, groups, and access controls.
• Monitor and maintain storage, file systems, network services, and system services.
• Troubleshoot server, operating system, and infrastructure issues.

• Monitor and maintain Gem Stone/S environments.
• Configure and upgrade Gem Stone/S environments with senior devs.
• Monitor Gem Stone processes (stone, netldi, gem, and repository).
• Monitor user and bulk processes.
• Monitor Gem Stone backups, replication and recovery procedures.
• Monitor repository integrity checks and report repository-related issues.

• Monitor deployment pipelines and respond to issues.
• Support application deployments and environment configuration changes (Jenkins, git, Ansible, OS Scripts).
• Assist development teams with performance analysis and troubleshooting.

• Monitor server health, application availability, disk usage, memory utilisation, and system performance.
• Implement proactive monitoring and alerting mechanisms.
• Enhance observability by integrating with organisation tools (Data Dog)

• Enforce Linux security standards and best practices.
• Manage SSH access, certificates, firewall configurations, and vulnerability remediation.
• Ensure compliance with company security policies and audit requirements.
• Participate in security reviews and incident response activities.

• Monitor daily restore procedures.
• Develop, maintain, and test backup and recovery procedures.
• Perform regular disaster recovery validation exercises.
• Ensure recovery time and recovery point objectives are met.
• Maintain documentation of recovery procedures.

• Maintain and enhance automation scripts for administration and operational tasks (Jenkins and Ansible).
• Support CI/CD processes and deployment automation (Jenkins, Ansible, terragrunt and bat/bash).
• Implement configuration management and infrastructure-as-code practices where applicable.
• Improve operational efficiency through automation.

• Maintain accurate technical documentation for systems, configurations, procedures, and support activities.
• Create and update operational runbooks and troubleshooting guides.
• Document architecture changes and system dependencies.

• Support the investigation of production incidents.
• Conduct root cause analysis and implement preventative measures.
• Work with internal teams to resolve complex issues.

• Use approved AI-assisted tools to enhance coding, testing, troubleshooting, and documentation activities.
• Validate and apply appropriate governance to AI-generated outputs, ensuring quality, security, and compliance…