Senior DevOps Engineer - Redhat Linux

Senior DevOps Engineer – Core Requirements

Experience

• 8+ years' experience in DevOps, Platform Engineering, Systems Engineering, or Infrastructure Engineering roles.
• Proven ability to work autonomously with minimal supervision. Someone with drive to actively pull work and deliver.
• Experience operating within large enterprise environments.
• Strong stakeholder engagement and communication skills.
• Experience delivering large-scale transformation and migration projects.

Linux & Infrastructure

• Expert-level Red Hat Enterprise Linux (RHEL) administration.
• Strong Unix/Linux troubleshooting and support experience.
• On-premises infrastructure experience.
• Understanding of server lifecycle management, patching, upgrades, and operational support.
• Experience working closely with Unix, Middleware, Database, Network, and Security teams.

Scripting & Automation

• Strong Bash scripting capability.
• Strong Python development and automation skills.
• Experience automating operational, deployment, and infrastructure processes.
• Configuration management and infrastructure automation experience.

CI/CD & DevOps Tooling

• Significant experience with:
• GitLab
• Jenkins
• Ansible
• Git
• Designing, supporting, and troubleshooting CI/CD pipelines.
• Implementing DevOps best practices throughout the software delivery lifecycle.
• Source code management and branching strategy expertise.

Troubleshooting & Operations

• Strong analytical and troubleshooting skills.
• Experience supporting production and non-production environments.
• Ability to identify root causes and drive issues through to resolution.
• Experience supporting engineering teams with build, deployment, and platform-related issues.

Desirable Skills

Security / DevSecOps

• Experience implementing DevSecOps practices.
• Security-first mindset.
• Understanding of:
• Vulnerability management
• Secrets management
• Secure software delivery
• Certificate management
• Access control, authentication and authorisation, e.g. PAM and IDAM

Infrastructure as Code

• Infrastructure as Code (IaC) experience.
• Automation and platform provisioning expertise.

Networking & Security Concepts

• Understanding of:
• TCP/IP
• DNS
• Load balancing
• Firewalls
• TLS/SSL certificates

Database Knowledge

• Good understanding of relational databases.
• Oracle administration or support experience highly desirable.
• Ability to troubleshoot connectivity and performance issues.

Monitoring & Observability

• Experience with:
• Monitoring platforms e.g. DataDog
• Logging platforms
• Alerting solutions
• Performance analysis and troubleshooting
• Understanding of observability principles.

Transformation & Migration Experience

Experience delivering one or more of the following:

• Red Hat/Linux migration programmes.
• Platform modernisation initiatives.
• CI/CD tooling migrations.
• DevOps transformation projects.
• Repository migrations.
• Enterprise infrastructure upgrade programmes.
• Data centre migration projects.

Examples relevant to your environment:

• Jenkins to GitLab migration.
• Nexus to Artifactory migration.
• Vault platform migration.
• Legacy platform modernisation.

Tooling Experience (Highly Desirable)

Experience with some or all of:

Source Control & CI/CD

• GitLab
• Jenkins
• Git

Automation

• Ansible
• Python
• Bash

Artifact & Package Management

• Artifactory
• Nexus

Secrets Management

• HashiCorp Vault or equivalent enterprise vault technologies

Operating Systems

• Red Hat Enterprise Linux
• Unix

Industry Experience

Preferred but not essential:

• Financial Services
• Capital Markets
• Post-Trade / Clearing
• Regulated environments

Candidates should understand:

• Change management processes
• Audit and compliance requirements

High availability and resilience requirements