Kubernetes Engineer – Mid–Senior, DoD Platform Engineering

🔥 18 hours ago

🇺🇸 United States – Remote

⏰ Full Time

🟠 Senior

🔙 Backend Engineer

👻 Ghost score 25%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Rackner

WebsiteLinkedInAll Job Openings

11 - 50 employees

💼 Consulting

🎖️ Defense

🤖 Artificial Intelligence

Consulting • Defense • Artificial Intelligence

Rackner is a technology company specializing in applying emerging technologies to mission-critical problems in both the public and private sectors. As a Kubernetes Certified Service Provider, Rackner's experienced engineers manage large clusters in production environments for major organizations. The company focuses on cloud-native solutions, DevSecOps, AI, and platform development to modernize business-critical applications. Rackner is also involved in developing innovative systems using Edge, IoT/Mobile, and VR technologies. The company has been recognized on the Inc 5000 List of Fastest Growing Companies and has secured significant contracts with the Department of Defense and the Department of Homeland Security.

📋 Description

• Design, build, and operate secure, resilient Kubernetes platforms • Automate infrastructure and platform configuration using Terraform, Ansible, Helm, and Infrastructure as Code • Build and improve GitOps and CI/CD workflows • Implement Kubernetes networking, RBAC, security controls, and service-to-service communication • Engineer and support Istio/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 complex issues across Kubernetes, Linux, networking, containers, and cloud infrastructure • Strengthen platform reliability, security, performance, and recovery • Partner with application, cloud, security, and architecture teams to turn requirements into working platform capabilities • Senior engineers may guide larger technical decisions, lead implementation efforts, and help other engineers grow while remaining hands-on

🎯 Requirements

• Hands-on background building, operating, or supporting Kubernetes environments • Strong knowledge of Linux, networking, containers, and Kubernetes architecture • Proficiency with Helm and Infrastructure as Code • Familiarity with cloud platforms such as AWS/EKS, Azure/AKS, GCP/GKE, OCI, or similar • Practical use of GitOps, CI/CD, and automated deployment workflows • Knowledge of Kubernetes security, access controls, and RBAC • Ability to independently diagnose and solve issues across multiple layers of a platform • Ability to obtain and maintain a DoD Secret clearance • Mid-level: roughly 3–5 years of relevant engineering experience • Senior-level: typically 5–7+ years with broader platform ownership, architecture, or technical leadership • Certified Kubernetes Administrator (CKA) is an additional-value qualification • Experience with Istio or service mesh, custom Kubernetes Operators/Controllers/CRDs/Admission Controllers, DoD Enterprise DevSecOps Reference Design, software development/scripting/platform automation, production platforms with active end users, or DoD/federal/regulated/security-focused engineering environments may add value

🏖️ 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