3 hours ago
Remote, United StatesMid Level / Senior
Responsibilities
- Design, build, operate, and improve secure and resilient Kubernetes platforms.
- Automate infrastructure and platform configuration using Terraform, Ansible, Helm, and Infrastructure as Code.
- Build and improve GitOps, CI/CD, and automated deployment workflows.
- Implement Kubernetes networking, RBAC, security controls, and service-to-service communication.
- Engineer and support Istio and service-mesh capabilities.
- Build reusable platform components including Helm charts, Operators, Controllers, CRDs, and Admission Controllers.
- Integrate Kubernetes with cloud services, container registries, and delivery pipelines.
- Troubleshoot issues across Kubernetes, Linux, networking, containers, and cloud infrastructure.
- Improve platform reliability, security, performance, and recovery.
- Partner with application, cloud, security, and architecture teams to deliver platform capabilities.
- Senior engineers may guide technical decisions, lead implementation efforts, and help other engineers grow.
Requirements
- Hands-on experience building, operating, or supporting Kubernetes environments.
- Strong knowledge of Linux, networking, containers, and Kubernetes architecture.
- Proficiency with Helm and Infrastructure as Code.
- Familiarity with AWS/EKS, Azure/AKS, GCP/GKE, OCI, or similar cloud platforms.
- Practical experience with GitOps, CI/CD, and automated deployment workflows.
- Knowledge of Kubernetes security, access controls, and RBAC.
- Ability to independently diagnose and solve multi-layer platform issues.
- Ability to obtain and maintain a DoD Secret clearance.
- Mid-level engineers generally have 3–5 years of relevant engineering experience; senior engineers typically have 5–7+ years with broader platform ownership, architecture, or technical leadership.
- Additional valued qualifications include CKA certification, deep Istio or service-mesh experience, custom Kubernetes Operators, Controllers, CRDs, or Admission Controllers, DoD Enterprise DevSecOps Reference Design experience, software development or scripting, production platform support, and DoD, federal, regulated, or security-focused engineering experience.
Benefits
- Company-supported certifications aligned with current and future program work.
- Career-development and leadership opportunities.
- 401(k) with 100% match up to 6%.
- Medical, dental, vision, life, and disability coverage.
- Generous PTO and paid holidays.
- Home-office equipment and remote-work support.
- Fitness and wellness reimbursement.
- Weekly pay and team events.
- Remote-work support is provided; the posting does not otherwise specify a work-location arrangement.
Tech Stack
Categories
About Rackner
Rackner is a cloud-native software consultancy that delivers DevSecOps, AI/ML, Kubernetes, and edge-computing solutions for startups, enterprises, and U.S. federal agencies across public and private clouds. Founded in 2015 and headquartered in Silver Spring, Maryland, it is privately held and a Kubernetes Certified Service Provider and CNCF member, offering services from cloud and hybrid-cloud development to web/mobile applications supporting mission-critical systems.