Deep understanding of container runtimes and Kubernetes components.
Responsibilities
Design, deploy, configure, and maintain high-availability Kubernetes clusters.
Manage enterprise-grade Kubernetes distributions using OpenShift or Rancher.
Optimize container networking, storage, and ingress controllers.
Maintain and troubleshoot Linux operating systems supporting cluster infrastructure.
Automate infrastructure provisioning with Terraform, Ansible, or OpenShift/RKE2 operators.
Diagnose complex system issues related to DNS, kernel parameters, and network latency.
Serve as a technical lead and mentor for DevSecOps engineers, enhancing team skills.
Benefits
Medical, Dental & Vision coverage.
Wellness Program.
401(k) Matching.
Short Term & Long Term Disability.
Employee Assistance Program.
Life Insurance.
Education & Training opportunities.
Generous Leave Policy including 11 Federal Holidays, PTO, Military Leave, and more.
Full Job Description
Position Overview
We are seeking a highly skilled Senior DevSecOps Engineer with a strong foundation in System Administration and deep expertise in Kubernetes orchestration. You will be responsible for container orchestration, managing large-scale Kubernetes deployments, and providing enterprise monitoring and deployment capabilities in support of a next generation collective training software system.
Must be able to work in the office in the Orlando area - this is an on-site position.
Responsibilities
Kubernetes & Platform Engineering:
Design, deploy, configure, and maintain high-availability Kubernetes clusters across hybrid or public cloud environments.
Manage enterprise-grade Kubernetes distributions, specifically utilizing OpenShift or Rancher for cluster management, multi-tenancy, and security enforcement.
Optimize container networking, storage providers, and ingress controllers.
System Administration & Infrastructure:
Maintain, tune, and troubleshoot the underlying Linux (RHEL/Fedora Core) operating systems supporting our cluster infrastructure.
Automate infrastructure provisioning and configuration management using Terraform, Ansible, or OpenShift/RKE2 operators.
Diagnose complex, low-level system issues (DNS, kernel parameters, disk I/O, network latency).
Leadership:
Serve as the technical lead and mentor for a team of DevSecOps engineers, conducting reviews and actively teaching and training to elevate the team's skills.
Implement standards, create repeatable processes, and maintain documentation, ensuring complex technical knowledge is clearly documented and easily digestible.
Required Experience/Qualifications
Bachelor's degree in a technical discipline such as Computer Engineering, Computer Science, Electrical Engineering from an accredited college or university.
Eight (8) years' experience in DevOps, DevSecOps, or Systems Administration, with at least 3 years dedicated to managing production Kubernetes workloads.
2+ years of experience leading projects, mentoring junior technical staff, or operating as a tech lead. Must demonstrate strong presentation and communication skills.
Strong background in Linux/Unix System Administration (core utilities, systemd, storage management, networking, and shell scripting in Bash or Python).
Deep understanding of container runtimes (Docker, containerd, etc.) and the inner workings of Kubernetes components.
Preferred Experience/Qualifications
Certifications: Certified Kubernetes Administrator (CKA), Certified Kubernetes Security Specialist (CKS), Red Hat Certified Specialist in OpenShift Administration, or equivalent cloud provider certifications (AWS, Azure, GCP).
Special Requirements/Security Clearance
Please note that pursuant to a government contract, this specific position requires U. S. Citizenship status with ability to obtain a SECRET to TOP SECRET security clearance. Security Clearance requirements will be specified in the Government's Task Order.
Benefits Overview
CESI recognizes that our strength is our people. We support every employee as an individual to build strong teams across the enterprise. Our benefit package includes:
Medical, Dental & Visio
Coverage
Wellness Program
401(k) Matching
Disability (Short Term & Long Term)
Employee Assistance Program
Life Insurance
Education & Training
Generous Leave Policy (11 Federal Holidays, PTO, Military Leave, Bereavement and Jury Duty)
About By Light Professional IT Services
By Light Professional IT Services is a provider of full lifecycle information technology and telecommunications solutions to the federal government and commercial clients. The company provides services in the areas of cybersecurity, cloud computing, application development, network engineering, and strategic consulting. By Light has been recognized as one of the fastest-growing private companies in the United States by Inc. Magazine and has been named a top workplace by The Washington Post.