Freelance Developer Operations Engineer Jobs in Tennessee

DevOps Engineer – Red Hat OpenShift Job Location: Arnold AFB, Tullahoma, TN 37388 (On Site) Clearance: Current and Active DoD Secret Clearance Relocation: Candidates willing to relocate within 2-4 weeks from offer will be considered. Compensation: 100-110k depending on experience level and education Send resumes to: in addition to applying online. Job Description
We are seeking a highly motivated and experienced DevOps Engineer to join our dynamic team. This individual will play a critical role in designing, implementing, and maintaining our containerized infrastructure, primarily using Red Hat OpenShift. You will be responsible for ensuring the stability, scalability, and security of our applications and services deployed on OpenShift and Kubernetes, while collaborating closely with development and operations teams to optimize our CI/CD pipelines. If you are passionate about cloud-native technologies, automation, and continuous improvement, we encourage you to apply. DoD Active Secret clearance or higher required Required Education/Experience:
• Education: Bachelor's degree in Computer Science or a related field, or equivalent experience.
• Minimum of 3+ years of experience in DevSecOps, System Administration, or a related role.
• Minimum of 2+ years of hands-on experience with Red Hat OpenShift.
• Proven experience with containerization technologies (Docker, Podman).
• Experience with Kubernetes orchestration.
• Experience with CI/CD pipelines and automation tools.
• Experience with Linux system administration.
• Experience with database administration (e.g., PostgreSQL, MySQL, MongoDB).
• Experience with cloud platforms (AWS, Azure, GCP) is a plus.
• Experience with infrastructure-as-code tools (Terraform, Ansible) is a plus. Technical Skills: • Proficient in Red Hat OpenShift administration and troubleshooting.
• Strong understanding of Kubernetes concepts and architecture.
• Experience with containerization technologies (Docker, Podman).
• Proficient in scripting languages (e.g., Bash, Python).
• Experience with CI/CD tools (Jenkins, GitLab CI, Azure DevOps).
• Solid understanding of Linux system administration.
• Knowledge of networking concepts and protocols.
• Familiarity with database administration and management.
• Knowledge of security best practices for containerized environments.
• Experience with monitoring tools (e.g., Prometheus, Grafana).
• Experience with logging and tracing tools (e.g., ELK stack, Jaeger). Responsibilities:
• OpenShift and Kubernetes Management: • Deploy, configure, and maintain Red Hat OpenShift clusters, including cluster upgrades, patching, and performance tuning.
• Manage and troubleshoot Kubernetes objects such as Pods, Deployments, Services, Ingress, and ConfigMaps.
• Implement and maintain security best practices within the OpenShift environment.
• Monitor cluster health, performance, and resource utilization, identifying and resolving potential issues proactively.
• Develop and maintain custom OpenShift Operators to automate application deployment and management.
• Containerization and Orchestration: • Build, test, and maintain container images using Docker or other containerization technologies.
• Optimize container images for performance and security.
• Develop and maintain container orchestration strategies for deploying and managing applications.
• CI/CD Pipeline Automation: • Design, implement, and maintain CI/CD pipelines using tools such as Jenkins, GitLab CI, Azure DevOps, or similar.
• Automate the build, test, and deployment of applications to OpenShift and other environments.
• Integrate security testing into the CI/CD pipeline (e.g., static code analysis, vulnerability scanning).
• System Administration: • Manage Linux servers and virtual machines, including installation, configuration, and maintenance.
• Troubleshoot system issues and performance bottlenecks.
• Maintain and improve system security.
• Database Management: • Experience with deploying and managing databases within a containerized environment (e.g., PostgreSQL, MySQL, MongoDB).
• Understand database performance tuning and optimization techniques.
• Implement database backup and recovery strategies.
• Collaboration and Documentation: • Collaborate with development, operations, and security teams to ensure smooth application delivery.
• Document procedures, configurations, and troubleshooting steps.
• Participate in on-call rotation and incident response.
• Contribute to the development of best practices and standards for containerization and deployment.
• Cloud and Infrastructure Management: • Work with Cloud Infrastructure Providers (AWS, Azure, GCP) to provision and maintain infrastructure.
• Utilize infrastructure-as-code tools such as Terraform or Ansible.
• Security: • Implement and maintain security best practices within the OpenShift, Kubernetes, and container environments.
• Work with security teams to implement and monitor security policies. Bonus Points:
• Red Hat Certified OpenShift Administrator (RHCSA) or Red Hat Certified Specialist in OpenShift Administration.
• Kubernetes certifications (CKA, CKAD).
• Experience with GitOps principles and tools (e.g., ArgoCD, Flux).
• Experience with service mesh technologies (e.g., Istio, Linkerd).
• Contributions to open-source projects.