Kubernetes Administrator

Red Hat Enterprise Linux (RHEL)Oracle LinuxPrometheus
Johnson Service Group (JSG) is currently looking for an experienced Kubernetes Administrator with strong experience in enterprise Kubernetes platforms, Unix/Linux administration, automation, infrastructure services, security, and mission-critical environments. This is a contract opportunity with an electric utility client in Alberta.
The Kubernetes & Unix Administrator is responsible for the administration, maintenance, security, and operational support of the organization’s Kubernetes container platforms and enterprise Unix/Linux infrastructure. This position plays a critical role in ensuring the reliability, availability, performance, and security of mission-critical systems supporting government operations and business services.
The incumbent will provide expert technical support for container orchestration, operating systems, automation, infrastructure services, cybersecurity initiatives, and platform modernization efforts. The role requires close collaboration with infrastructure, cybersecurity, application development, architecture, and operational teams to deliver secure and resilient technology services that meet organizational and regulatory requirements.
Must Haves
Degree or diploma in Computer Science, Information Technology, Engineering, or a related discipline.
Equivalent combinations of education, training, and experience may be considered.
Minimum 7 years of experience administering enterprise Linux/Unix environments.
Minimum 3 years of experience supporting Kubernetes platforms in production environments.
Experience supporting highly available, mission-critical infrastructure environments.
Experience implementing automation and configuration management solutions.
Experience supporting operational environments requiring formal governance, change management, and security controls.
Nice To Have
Certified Kubernetes Administrator (CKA)
Red Hat Certified System Administrator (RHCSA)
Red Hat Certified Engineer (RHCE)
ITIL Foundation Certification
Technical SkillsKubernetes & Container Technologies
Kubernetes Administration
Docker and Container Runtime Technologies
Helm
Kubernetes Networking
Kubernetes Storage Management
GitOps Methodologies
RKE2 preferred
Operating Systems
Red Hat Enterprise Linux (RHEL)
Oracle Linux
Automation & Infrastructure
Ansible
Terraform
Bash Shell Scripting
Python
PowerShell
Git
Monitoring & Logging
Prometheus
Grafana
ELK/OpenSearch
Splunk
Enterprise Monitoring Platforms
Networking & Security
TCP/IP
DNS
DHCP
SSL/TLS
PKI
LDAP
Kerberos
Active Directory Integration
Load Balancing
Firewall Technologies
Storage & Virtualization
SAN/NAS Technologies
VMware vSphere
Enterprise Backup and Recovery Solutions
Disaster Recovery Platforms
Key ResponsibilitiesKubernetes Platform Administration
Administer, maintain, and support enterprise Kubernetes environments across development, testing, disaster recovery, and production environments.
Install, configure, upgrade, patch, and troubleshoot Kubernetes clusters and supporting platform components.
Manage cluster lifecycle activities including capacity planning, node management, scaling, and performance optimization.
Configure and maintain Kubernetes networking, ingress controllers, service discovery, load balancing, and storage integration.
Deploy and manage containerized applications using Helm, Operators, and GitOps methodologies.
Monitor cluster health, availability, resource utilization, and workload performance.
Perform backup, recovery, and disaster recovery activities for Kubernetes environments.
Troubleshoot complex issues related to clusters, containers, networking, storage, and application deployments.
Implement best practices for high availability, resiliency, and operational excellence.
Unix/Linux Systems Administration
Install, configure, administer, and maintain enterprise Linux and Unix operating systems supporting critical business applications and infrastructure services.
Manage operating system lifecycle activities including provisioning, hardening, upgrades, patching, and decommissioning.
Administer physical, virtual, cloud-based, and container-hosting Linux infrastructure.
Ensure system availability, reliability, performance, and security through proactive maintenance and monitoring.
Manage file systems, logical volume management (LVM), storage allocation, and operating system services.
Configure and maintain DNS, NTP, SSH, LDAP, Active Directory integration, and authentication services.
Perform performance tuning and optimization of servers, operating systems, storage subsystems, and network services.
Support high availability architectures and disaster recovery solutions.
Maintain operating system standards, build documentation, and configuration baselines.
Security & Compliance
Implement and maintain security controls for Kubernetes, Linux, and Unix environments.
Apply operating system and platform patches in accordance with organizational security requirements.
Perform vulnerability remediation and maintain compliance with established service level objectives.
Configure and manage role-based access controls (RBAC), certificates, secrets management, and privileged access solutions.
Support cybersecurity audits, security assessments, and compliance reviews.
Implement security hardening standards and secure configuration baselines.
Configure and maintain SELinux, audit logging, firewall services, and host security controls.
Participate in incident response investigations and forensic activities as required.
Ensure systems comply with organizational policies, governance frameworks, and regulatory requirements.
Automation & Platform Engineering
Develop and maintain automation solutions using Bash, Python, PowerShell, or comparable scripting languages.
Automate system administration tasks, operational processes, server provisioning, and platform management activities.
Implement and maintain Infrastructure as Code (IaC) solutions using tools such as Terraform and Ansible.
Develop reusable automation and standard deployment processes.
Support CI/CD pipelines and automated application deployment processes.
Contribute to platform modernization initiatives and continuous improvement activities.
Monitoring, Operations & Service Management
Implement and manage enterprise monitoring, alerting, logging, and observability solutions.
Monitor system health, performance, resource utilization, and security events.
Investigate, diagnose, and resolve complex infrastructure incidents and operational issues.
Participate in incident management, change management, release management, and problem management processes.
Perform root cause analysis and implement long-term corrective actions.
Support after-hours maintenance activities and on-call operational support as required.
Maintain operational runbooks and support documentation.
Documentation & Governance
Develop and maintain technical documentation, operational procedures, standards, and architectural diagrams.
Create and update support runbooks, recovery guides, and knowledge articles.
Maintain configuration management records and asset inventories.
Support internal and external audits through documentation and evidence gathering.
Contribute to infrastructure standards, policies, and platform roadmaps.
Provide technical recommendations regarding platform strategy, capacity planning, and lifecycle management.
Johnson Service Group (JSG) is an Equal Opportunity Employer. JSG provides equal employment opportunities to all applicants and employees without regard to race, color, religion, sex, age, sexual orientation, gender identity, national origin, disability, marital status, protected veteran status, or any other characteristic protected by law.
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