Cloud Infrastructure Engineer

Cloud Infrastructure Support Engineer (Tier 3/Tier 4)

Professional Summary

We are seeking a highly skilled and motivated Cloud Infrastructure Engineer to join our Infrastructure Customer Engineering and Support team part of the Red Hat Telco Cloud Organization. This critical role offers the opportunity to contribute to either the Tier 3 (L3S) or Tier 4 (L4S) Engineering team working collaboratively to ensure the performance availability and reliability of our cloud-based services and underlying infrastructure.

The successful candidate will act as a critical technical Subject Matter Expert (SME) applying strong analytical knowledge to quickly diagnose and resolve complex issues across the entire cloud stack.

About The Teams

• Tier 3 (L3S) - Cloud Infrastructure Engineer: This team is responsible for managing troubleshooting and optimizing containerized applications and infrastructure deployed on Kubernetes RedHat OpenShift and OpenStack platforms. Tier 3 Engineers support Nokia Container Services (NCS) and CloudBand Infrastructure Software (CBIS) products serve as SMEs for core cloud infrastructure technologies lead the investigation and resolution of complex high-severity customer issues and provide end-to-end Escalation Monitoring and Emergency (EME) support acting as a final escalation point to ensure service availability and meet SLAs.
• Tier 4 (L4S) - Cloud Infrastructure SRE/Engineer: This special Engineering task force is dedicated to preventing and solving the most critical and strategic customer issues. Tier 4 Engineers deep dive into troubleshooting traversing layers from high-level Kubernetes errors to pinpointing kernel bugs. They are deeply involved in technologies like Nokia Container Services (NCS) and CloudBand Infrastructure Software (CBIS) private clouds based on Kubernetes and OpenStack and collaborate closely with developers and product engineers to bridge the gap between infrastructure and software.

Key Responsibilities

• Manage troubleshoot and optimize containerized applications and infrastructure deployed on platforms like Kubernetes RedHat OpenShift and OpenStack.
• Lead the investigation and resolution of complex high-severity customer incidents.
• Prepare and conduct rigorous Root Cause Analysis (RCA).
• Develop test and maintain automation scripts using Python and Ansible.
• Provide immediate support for urgent cases as part of an on-call rotation.

Technical Requirements (Must-have)

Core Technical Expertise

• Linux Expertise: Strong knowledge and proven hands-on experience with advanced Linux (CentOS) system administration. Familiarity with Red Hat and CentOS is highly valued.
• Networking Foundations: Strong knowledge of core networking principles (TCP/IP routing load balancing firewalls) in a cloud environment. Solid grasp of computer networking fundamentals such as understanding of VLANs and IP routing.
• Containerization & Virtualization: Strong knowledge of Kubernetes orchestration OpenStack platforms and Docker/Containerization.
• Scripting and Automation: Solid Python scripting skills for task automation and system management. Proficiency in scripting with Bash and Python or the willingness to learn and adapt as well as familiarity with Ansible.
• Root Cause Analysis (RCA): Expertise in preparation and implementation of RCAs.
• Escalation and Monitoring: Proven experience with EME (Escalation Monitoring and Emergency) management processes.

Desired Skills (Nice-to-have)

Beneficial Expertise (Added Advantage)

• Networking Advanced Tools: Familiarity with advanced tools and technologies such as Calico Multus and Open vSwitch.
• Storage Systems: Proficiency with storage solutions such as CEPH and Rook.
• Database Expertise: Understanding of relational databases such as MySQL and MariaDB as well as experience with ETCD.
• Certifications: One or more certifications from the list below will be considered an added advantage:
  • Red Hat Certified Specialist in Cloud Infrastructure (EX210)
  • Red Hat Certified Engineer (RHCE) in Red Hat OpenStack (EX310)
  • RHCSA RHCE CKA
  • EX280 (RedHat Certified Specialist in OpenShift Administration)
  • EX380 (RedHat Certified Specialist in OpenShift Automation and API Management)
• Other Technologies: Knowledge in areas like Podman Helm and/or KVM/QEMU.

Benefits

• Not specified.