[Hiring] Senior Platform Engineer @Radiance Technologies

Role Description

This position supports the development of a next-generation modeling and simulation (M&S) framework for the Department of Defense. The program is an experimental effort with rapidly evolving requirements, demanding adaptability and innovation from the engineering team. It provides a flexible environment for wargaming and analysis across domains, from the seafloor to space. The mission is to deliver scalable, cloud-enabled solutions that enhance decision-making, accelerate capability development, and strengthen national security. The team is building a modern platform that leverages Infrastructure as Code, Kubernetes, and advanced automation practices to ensure security, resiliency, and mission impact.

We are seeking a highly skilled Platform Engineer with strong Kubernetes experience to lead the deployment, operation, and lifecycle management of a complex application ecosystem consisting of 30+ containerized services across multiple environments. This role is responsible for designing and maintaining scalable, secure, and repeatable deployment patterns using Helm across both self-hosted and cloud-based Kubernetes clusters. This position operates in a security-conscious environment and requires a strong emphasis on compliance, reliability, automation, and direct support of stakeholders and customers.

Key Responsibilities

• Design, implement, and maintain Kubernetes-based deployment strategies for a multi-service application
• Develop, manage, and version Helm charts supporting multiple environments (dev, test, staging, production)
• Ensure consistent deployments across on-prem (self-hosted) and cloud Kubernetes platforms
• Implement secure configuration management (secrets, certificates, RBAC, network policies)
• Troubleshoot complex deployment, integration, and runtime issues across distributed systems
• Serve as a primary escalation point for production issues, driving root cause analysis and resolution
• Provide direct support to internal teams and/or customers, including issue triage, communication, and resolution tracking
• Optimize cluster performance, resource utilization, and cost efficiency
• Collaborate with development teams to improve containerization and deployment practices
• Maintain system observability (logging, monitoring, alerting)
• Support compliance requirements (e.g., FIPS, STIG, hardened images, restricted networks)

Qualifications

• Bachelor’s degree in Computer Science, Computer Engineering, or related field.
• US citizenship and ability to obtain a Top-Secret SCI clearance.
• Linux/SELinux system administration background.
• 5+ years of experience with containerized applications and Kubernetes
• Strong hands-on experience with:
  • Kubernetes (cluster operations, deployments, networking)
  • Helm (chart development, templating, multi-env strategies)
  • Docker / OCI containers
• Experience managing complex microservice architectures (20+ services)
• Experience deploying to both:
  • Self-hosted Kubernetes (bare metal or VM-based)
  • Cloud platforms (e.g., AWS EKS, Azure AKS, or similar)
• Demonstrated expertise in troubleshooting distributed systems under pressure
• Experience supporting production environments and handling escalations
• Solid understanding of:
  • Kubernetes security (RBAC, Pod Security, Network Policies)
  • Secrets management
• Experience with CI/CD tools (GitLab CI, Jenkins, GitHub Actions, or similar)
• Strong troubleshooting skills across infrastructure and application layers
• Strong communication skills with the ability to explain technical issues to non-technical stakeholders
• Experience working in restricted or secure environments

Desired Qualifications

• Experience with service meshes (Istio, Linkerd)
• Familiarity with GitOps tools (Argo CD, Flux)
• Experience with infrastructure as code (Terraform, Ansible)
• Knowledge of compliance frameworks (FIPS, STIG, NIST, CMMC)
• Experience with private registries (e.g., Artifactory, Harbor)
• Scripting skills (Bash, Python, or Go)
• Familiarity with ingress controllers and API gateways
• Experience scaling and tuning high-availability systems

Work Style & Expectations

• Ability to work independently on complex infrastructure problems
• Comfortable operating in high-pressure situations and driving issues to resolution
• Customer-focused mindset with a strong sense of ownership and accountability
• Strong collaboration with developers, security, and operations teams
• Detail-oriented with a focus on reliability and repeatability
• Documentation-first mindset

What Success Looks Like

• Reliable, repeatable deployments across all environments
• Rapid diagnosis and resolution of production issues
• Clear communication during incidents and escalations
• Secure, compliant Kubernetes platform
• Reduced manual intervention through automation
• Clear, maintainable Helm charts and deployment processes

What We Offer

• Employee ownership with profit-sharing opportunities.
• Excellent compensation and an unmatched benefits package.
• Educational reimbursement and professional certification support.
• Opportunities for growth on high-impact DoD programs.
• A culture of innovation and collaboration.