Kubernetes Platforms System Engineer Founded in 1999 in the beautiful Smoky Mountains of East Tennessee, Cadre5 provides innovative technical solutions to our customers locally and nationally. Our Cadre5 Lab Partners division has partnered with The National Center for Computational Sciences (NCCS) at Oak Ridge National Laboratory (ORNL) to recruit a Kubernetes Platforms System Engineer, you will work in the Infrastructure team within the HPC Infrastructure and Networking group to support all activities of our supercomputer center. The National Center for Computational Sciences (NCCS) at Oak Ridge National Lab (ORNL), which hosts several of the world’s most powerful computer systems, is seeking highly qualified individuals to play a key role in improving the security, performance, and reliability of the NCCS computing infrastructure which supports multiple highly ranked Top500 Supercomputers, including the world’s first exaflop system, Frontier. ORNL delivers scientific discoveries and technical breakthroughs needed to realize solutions in energy and national security and provides economic benefit to the nation. This premier research institution located near Knoxville in Oak Ridge, TN, addresses national needs through impactful research and world-leading research centers.

• *Please note: The first step in the interview process requires candidates to join a Microsoft Teams meeting with the video turned on. This is a full-time, permanent position that can telecommute. Occasional travel to the Oak Ridge facility may be required. Why Cadre5?
• Working with highly talented team members
• 3 weeks’ vacation
• Excellent medical insurance, including employer-paid benefits The Team: As a Kubernetes Platform Engineer for the HPC Platform teams, you will work to support all activities of our supercomputer center. Our primary platform is the OLCF Slate Service, built on Kubernetes and RKE2, which provides a container orchestration service for running critical operation applications and user-managed persistent applications that run alongside the OLCF Supercomputer systems and other OLCF managed HPC clusters. Job Responsibilities:
• Work with the team to define and implement best practices and standards within the organization
• Keeping the Kubernetes platform reliable, available, and fast
• Architecting solutions to problems that improve the reliability, scalability, performance, and efficiency of our services
• Respond to, investigate, and fix service issues all the way from bare metal through the OS to the application code
• Coordinate with vendors to resolve hardware and software problems
• Participate in an on-call rotation providing 24-hour, 7-day support and off-hours maintenance windows
• Work with users to help them use Kubernetes Basic Qualifications:
• Bachelor’s degree in a scientific field and a minimum of 5-8 years of relevant experience. An equivalent combination of education and experience will be considered.
• Experience with Kubernetes as a cluster administrator for on-premises deployments
• Excellent interpersonal/communications skills, and the ability to work as part of a team
• Strong working knowledge of Linux systems fundamentals and networked computing environment concepts
• Experience with code reviews, code quality, CI/CD tooling, GitOps, SCM (e.g. GitLab)
• Ability to identify requirements and to define, plan, and implement requisite solutions for small and medium projects
• Ability to develop and maintain programs and scripts that aid in the operation and automation of tasks using various shell and scripting languages (primarily bash, Python, and Go)
• Experience with on-call rotation
• The ability to obtain and maintain a Department of Energy "Q" clearance is required. This requires US Citizenship. Preferred Qualifications:
• Bachelor’s degree in a scientific field and 8-10 years of relevant experience.
• Subject matter expert in Kubernetes as a cluster administrator for bare metal, on-premises deployments
• Excellent interpersonal/communications skills, be able to effectively communicate with other teams and organizational leadership. Convey technical details to a non-or semi-technical audience.
• Ability to identify requirements and to define, plan, and implement requisite solutions for large, organizationally impactful projects.
• Self-driven with the ability to work in a dynamic, loosely structured research & development environment.
• Experience with RKE2 (nice to haves: Red Hat OpenShift and Talos). Multi-cluster management tools for Kubernetes (e.g. Fleet), and container security tools (Neuvector, SCC, pod admission control)
• Experiencing with managing image registries such as Quay or Harbor
• Experience using tools such as Prometheus, Nagios, and Grafana to monitor systems, metrics and create dashboards
• Experience designing and implementing highly-available systems/services
• Experience with Infrastructure-as-Code tooling such as Terraform, Helm, and Puppet
• Experience implementing systems-level security technologies (e.g. SELinux, Seccomp, linux capabilities), experience with DevSecOps, and general security best practices.
• Experience with AIOps and MLOps tooling – e.g. KServe, Kubeflow, vLLM, NVidia Enterprise AI, AMD Silo AI, ClearML, MLFlow
• Experience using HPC hardware for Kubernetes – e.g. RDMA, DPUs, Infiniband, many-core CPUs
• Experience with declarative CI/CD tools such as ArgoCD
• Experience with workflow engines such as Apache Airflow or Argo Workflows
• Experience with infrastructure automation
• Cloud engineering experience with at least one cloud service provider
• Experience with reusable, automated workflows such as PagerDuty playbooks Benefits Cadre5 offers excellent pay and benefits, to include full medical, dental, and vision coverage coupled with 401K match, 15 days PTO, and 10 holidays. Cadre5 is an equal opportunity employer. All qualified applicants, including individuals with disabilities and protected veterans, are encouraged to apply. Cadre5 is an E-Verify Employer. Apply To this Job