Senior Platform Engineer - Kubernetes - remote

SitusAMC is where the best and most passionate people come to transform our client’s businesses and their own careers. In this role, the Senior Platform Engineer will contribute as both an individual contributor and a mentor while designing and maintaining automated infrastructure and cloud architecture solutions.

Responsibilities:

• Contribute as both an individual contributor and a mentor, guiding teammates within the Cloud Platform Engineering team
• Design, build, and maintain automated infrastructure using Terraform and AWS services (Lambda, SQS, RabbitMQ, event-driven technologies)
• Develop advanced pipelines (Azure DevOps, GitHub Actions, ArgoCD, FluxCD) to support application deployment across monolithic, stateless, and serverless architectures
• Design frameworks aligned with the AWS Well-Architected Framework and security standards (e.g., NIST, NYDFS), ensuring compliance and resilience
• Deliver solutions in high-pressure, multi-customer environments, addressing complex needs with speed and precision
• Develop tactical plans for IaC strategy and implementation across products with varying maturity levels
• Implement and manage IAM policies, permission sets, Security Groups, NACLs, and VPC configurations to maintain strong cloud security posture
• Partner with internal and external stakeholders on design and architecture decisions and provide clear project updates to leadership
• Architect and develop new AWS services, leveraging tools like Kubernetes, Istio/Linkerd, and Karpenter for scalable, cloud-native solutions
• Establish and enforce infrastructure design best practices, templates, and processes that elevate engineering consistency across the organization
• Other activities as assigned by your manager

Requirements:

• Bachelor's degree in Computer Science or related field, or equivalent combination of education and experience
• Minimum of 8+ years of industry and/or relevant experience, typically with 2+ years in an AVP level role or external equivalent
• AWS Security & Networking Expertise: 8+ years managing IAM, permission sets, NACLs, Security Groups, and other security controls
• Infrastructure as Code: Proven mastery in Terraform with extensive hands-on implementation experience
• CI/CD Pipelines & GitOps: 6+ years building pipelines with GitOps (ArgoCD, FluxCD) and automation platforms (Azure DevOps, GitHub Actions)
• Kubernetes & Service Mesh: Strong background in deploying Kubernetes and service mesh technologies (Istio, Linkerd)
• Cloud-Native Scaling: Experience with Karpenter and similar tools to enable automated scaling of APIs in the cloud
• Programming & Automation: 6+ years coding in Python, Shell, or equivalent scripting languages for automation
• AWS Cloud Services: Proficient in EKS, EC2, RDS, Lambda, Step Functions, VPC, IAM, and firewall configurations
• 10–15 years of experience in cloud automation and infrastructure development preferred
• Good to have experience on Bedrock Data Automation (BDA) and Bedrock Knowledge Base
• Understanding of any AI Agents, preferably AWS based agents such as Bedrock Agents and BDA Blueprint Understands the operational efficiency of using different LLMs (Bedrock, Claude, Nova, Titan)
• Fine-tuning/customization using domain-specific data
• Understands Agentic RAG (Retrieval-Augmented Generation) architectures