Senior Infrastructure Engineer_Linux Engineer
UniCredit · Romania · 5mo ago
SeniorOn-siteDevOps, SRE & Infrastructure
Linux Engineering & Platform Design
- Design, build, and evolve enterprise Linux platforms in on-premises and/or cloud environments
- Define and maintain standard OS builds, configurations, and engineering patterns
- Ensure stability, availability, performance, and scalability of Linux systems
- Support technology lifecycle management, upgrades, and obsolescence planning
Container & Kubernetes Platforms
- Operate and support Kubernetes-based platforms with a focus on reliability and operational stability
- Support containerized workloads running on Kubernetes in on-premises and/or cloud environments
- Perform troubleshooting of container, pod, node, and networking issues
- Collaborate with platform, middleware, and application teams on container onboarding and runtime requirements
- Apply security best practices for containerized environments
System Administration & Operations (L3)
- Provide L3 support for Linux and container platform-related incidents
- Perform advanced troubleshooting and root-cause analysis in production environments
- Support BAU / Run activities, including incident, problem, and change management
- Participate in maintenance windows, patching cycles, and major infrastructure changes
Security, Hardening & Compliance
- Perform Linux system hardening in line with internal security standards and industry best practices
- Support security hardening and configuration validation for Kubernetes environments
- Ensure compliance with security, audit, and regulatory requirements
- Collaborate with Security and Audit teams during assessments and remediation activities
Automation & Infrastructure as Code
- Design, implement, and maintain automation and Infrastructure as Code solutions
- Use configuration management and automation tools such as Ansible
- Contribute to Terraform or similar IaC frameworks
- Support automation for OS provisioning, configuration, and container platform operations
Performance, Monitoring & Capacity
- Monitor Linux and Kubernetes platform health, performance, and capacity
- Identify performance bottlenecks and implement tuning and remediation actions
- Support proactive capacity planning and availability risk identification
Collaboration & Cross-Team Integration
- Collaborate with network, storage, middleware, security, and application teams
- Support application onboarding on both VM-based and container-based platforms
- Contribute to continuous improvement initiatives to enhance reliability and operational efficiency
- Strong hands-on experience as a Linux System Administrator / Engineer in enterprise environments
- In-depth knowledge of enterprise Linux distributions (e.g. RHEL, Oracle Linux or equivalents)
- Solid operational experience with Kubernetes platforms (cluster operations and troubleshooting)
- Understanding of container concepts (Docker / OCI containers, images, registries)
- Experience supporting mission-critical production systems
- Proficiency with automation and configuration management tools (Ansible, Terraform or similar)
- Solid scripting skills (Bash, Python, or similar)
- Strong troubleshooting, analytical, and communication skills
Preferred / Nice to Have
- Experience with high-availability or clustering solutions (Pacemaker, Corosync)
- Exposure to cloud platforms (GCP, Azure)
- Familiarity with OpenShift or managed Kubernetes offerings
- Knowledge of DevOps practices and CI/CD pipelines
- Experience working in regulated or audited environments
- Relevant certifications (RHCE, CKA/CKAD or equivalent)
- #MakeInnovationHappen: Chance to make an impact in terms of transformation
- #UnlockYourPotential: Join a young and stimulating environment
- #ComeAsYouAre: Working within a global team
- #UnlockYourPotential: Play a role of autonomy with high visibility and exposure
- #BalanceLifeAndCareer: Flexible working hours & working hybrid;
- A professional but still friendly work environment;
- #EnjoyTheBest: Access to our Benefits platform with a dedicated budget that you will be able to use, in order to choose the most suitable benefits for you;
- Healthcare insurance;
- Holidays accorded based on your working experience (21 up to 25 days);
- Career in a leading international banking group, build on the diversity of its strong local roots;
- Dynamic and multinational environment, full of growing opportunities.