Senior Cloud DevOps Engineer

W2 role location : Lowell, MA or Troy MI Key Responsibilities • Design and manage infrastructure using AWS, Kubernetes, and Terraform, with a focus on Terraform module design, remote state management, and policy-as-code. • Implement GitOps practices using tools like Flux or Argo CD for declarative, version-controlled environment management and drift detection. • Take ownership of Kubernetes as a Service (KaaS) platforms, including multi-cluster lifecycle management, version upgrades, and advanced autoscaling strategies. • Troubleshoot complex traffic flows and optimize cloud networking, including CNI configurations, ingress controllers, and load balancing. • Build and support CI/CD pipelines to enable efficient and reliable deployments. • Automate infrastructure provisioning and configuration using tools like Ansible, Puppet, or Chef. • Write and maintain infrastructure-as-code and configuration-as-code for all environments using Terraform. • Monitor, troubleshoot, and optimize infrastructure performance, availability, and cost. • Integrate and manage third-party tools, plug-ins, and internal scripts as needed. • Create and maintain technical documentation, including runbooks and architecture diagrams. • Participate in on-call rotations and contribute to improving incident response processes. • Collaborate cross-functionally to ensure infrastructure meets application and business needs. Key Qualifications/Requirements Education • Bachelor’s degree in computer engineering / Software Engineering / Electrical Engineering / Computer Science or equivalent Experience • 7+ years of experience working as DevOps, SRE, PE or infrastructure engineering experience. • 5+ years of hands-on experience with cloud platforms, especially AWS (GCP or Azure a plus). • Advanced Linux systems expertise, including deep knowledge of systemd, cgroups, namespaces, OS tuning, and production hardening. • Deep Kubernetes and cloud networking knowledge beyond fundamentals (e.g., CNI plugins, Service Mesh, and advanced ingress patterns). • Experience managing Kubernetes clusters and containerized workloads (EKS / Docker). • Expertise in Terraform and infrastructure automation practices. • Proficiency in scripting with Python and Bash. • Experience with tools like Git, Jenkins, and artifact repositories. • Familiarity with networking fundamentals such as DNS, DHCP, VPN, and LDAP. • Experience with monitoring and logging systems such as DataDog, Prometheus, Grafana, ELK, or equivalent. • Strong understanding of cloud networking, VPCs, security groups, and IAM policies. • Comfortable working with Agile teams and tools like JIRA and Confluence Nice To Have • Experience with Helm and managing Kubernetes via Helm charts. • Exposure to hybrid environments (cloud + on-prem). • Familiarity with secrets management tools (e.g., HashiCorp Vault, AWS Secrets Manager). • Experience mentoring engineers or leading DevOps initiatives. Must Have • AWS • ArgoCD/HELM • Terraform • Kubernetes • DataDog • Linux • GitHub / Github Actions Nice to have • Kafka • Ansible • EMQX/RabbitMQ/Messaging Brokers