Senior DevOps Engineer

Job Title: Senior DevOps Engineer (RHEL Specialist) Location: Remote Reports to: Head of Cloud & Infrastructure Language Requirements: Portuguese and English Role Summary We are seeking a highly experienced and proactive Senior DevOps Engineer to join our core infrastructure team. This role is ideal for a professional with a deep-seated expertise in Red Hat Enterprise Linux (RHEL) and a passion for building robust, scalable, and automated systems. You will be instrumental in architecting and refining our infrastructure as code (IaC) practices, managing our CI/CD pipelines, and ensuring the stability and performance of our hybrid-cloud environment. The perfect candidate is a strategic thinker who excels at identifying operational inefficiencies and engineering elegant, automated solutions to complex challenges. Key Responsibilities Automation Architecture: Design, implement, and maintain comprehensive automation solutions for our RHEL server fleet using Ansible. Develop and manage idempotent playbooks, roles, and inventories to enforce configuration standards and streamline application deployments. CI/CD Pipeline Management: Engineer and maintain resilient CI/CD pipelines using Jenkins and/or GitLab CI. Collaborate with development teams to integrate automated testing, security scanning, and deployment strategies into the software development lifecycle. Infrastructure as Code (IaC): Champion and execute IaC principles to manage our infrastructure on both on-premise virtualization platforms and public clouds, ensuring all configurations are version-controlled and auditable. Advanced Scripting: Develop and maintain sophisticated scripts in Bash and Python to automate complex operational tasks, integrate disparate systems via APIs, and perform system health checks. System Administration & Optimisation: Serve as the subject matter expert for RHEL, performing advanced system administration, performance tuning, security hardening (including SELinux), and leading troubleshooting efforts for complex incidents. Containerisation & Orchestration: Manage and support our container ecosystem, including Docker image creation and optimisation, and the administration of Kubernetes clusters for application deployment. Proactive System Improvement: Continuously monitor system performance, availability, and security. Proactively identify bottlenecks, potential failure points, and areas for improvement, and implement automated solutions. Required Technical Skills & Qualifications Experience: A minimum of 5 years of professional experience in a DevOps, Site Reliability Engineering (SRE), or Senior Linux Administration role. RHEL Expertise: Expert-level knowledge of Red Hat Enterprise Linux (RHEL 7/8/9) administration, including Satellite, Kickstart, YUM/DNF repository management, and performance tuning. An RHCE certification is highly advantageous. Configuration Management: Mandatory, deep expertise with Ansible. Must demonstrate proficiency in writing complex, reusable playbooks and managing large-scale, heterogeneous environments. Scripting: Strong, demonstrable scripting skills in both Bash and Python are essential for this role. CI/CD Tooling: Proven, hands-on experience building, managing, and optimising pipelines in Jenkins or GitLab CI. Virtualization: Solid practical experience with enterprise virtualization platforms, specifically VMware vSphere and/or KVM. Container Technologies: In-depth experience with Docker for container creation and management, coupled with hands-on experience managing Kubernetes or OpenShift clusters. Cloud Platforms: Demonstrable experience deploying and managing infrastructure resources in at least one major public cloud: AWS, Azure, or GCP. Desired Soft Skills Problem-Solver: An analytical and methodical approach to troubleshooting, with the ability to diagnose the root cause of complex issues. Ownership Mentality: A proactive and self-motivated individual who takes full ownership of projects and systems. Communication: Excellent verbal and written communication skills, with the ability to articulate complex technical concepts to both technical and non-technical stakeholders. Collaboration: A strong team player who can work effectively with development, security, and operations teams to achieve common goals. Continuous Improvement: A passion for learning new technologies and a commitment to continuously improving processes and systems. Reporting Structure As a Senior DevOps Engineer, you will report directly to the Head of Cloud & Infrastructure . You will work within the Platform Engineering team, a group of highly skilled engineers responsible for the core systems that power our business. This role operates with a high degree of autonomy and is expected to provide technical leadership and mentorship on RHEL and automation best practices.