OLEKSII KHORIEV

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WORK EXPERIENCE

Senior DevOps / SRE Engineer — NDA

June 2025 — Present

- Designed and operated AWS infrastructure for multiple internal platforms and services in private networking environments.

- Built and maintained Kubernetes deployment workflows (GitHub Actions) and Terraform-based provisioning for consistent environment management.

- Improved production observability and incident visibility (CloudWatch, Grafana, Loki, Tempo); troubleshot infrastructure and releases across multiple customer environments.

- Delivered reliable, well-documented deployment environments for distributed third-party integrations.

- Partnered with engineering on platform tooling and deployment practices; contributed to architecture decisions for release management and platform reliability.

Technologies: AWS, EKS, Terraform, RDS, PostgreSQL, ElastiCache, CloudWatch, Grafana, Loki, Tempo, GitHub Actions

Senior DevOps / Platform Engineer / SRE — Temabit

July 2023 — June 2025

- Owned design and operation of AWS infrastructure for internal platforms with emphasis on networking, DNS, and GitOps-based delivery.

- Built and maintained cloud-native delivery with GitOps; automated provisioning using Terraform and AWS CDK (including ECS and Lambda based workloads).

- Improved observability and operational visibility (CloudWatch, Grafana, Prometheus); troubleshot production issues across containerized and serverless environments.

- Drove developer adoption of platform tooling and workflows through documentation and hands-on collaboration with engineering teams.

Technologies: AWS, ECS, Terraform, AWS CDK, Lambda, GitOps, PostgreSQL, OpenSearch, CloudWatch, Grafana

Senior DevOps / SRE Engineer — OVO Home Services

March 2021 — July 2023

- Maintained and improved cloud infrastructure across AWS and GCP environments.

- Operated Kubernetes clusters (maintenance, migrations, troubleshooting) on EKS and GKE.

- Implemented GitOps (ArgoCD, Helm, Kustomize) and standardized environment configuration and deployment processes across multiple stages.

- Production support, incident investigation, and release management: worked with development teams to improve deployment reliability, simplify infrastructure workflows, and strengthen collaboration between platform and product engineering.

Technologies: AWS, GCP, EKS, GKE, Terraform, ArgoCD, Helm, Kustomize, Docker, PostgreSQL, Redis, CircleCI, DataDog, Crossplane, Kyverno

DevOps Engineer / SRE Engineer — Sema4

December 2019 — March 2021

- Supported AWS-based infrastructure and deployment workflows for medical laboratory systems.

- Maintained Kubernetes workloads and CI/CD processes in production environments.

- Improved operational stability through infrastructure troubleshooting and issue investigation.

- Participated in release management and environment maintenance activities.

- Collaborated with engineering teams on infrastructure-related improvements.

Technologies: AWS, CloudFormation, Kubernetes, Helm, Docker, PostgreSQL, Redis, CircleCI, DataDog

DevOps Engineer — MAF BIDS

August 2019 — December 2019

- Maintained infrastructure and deployment workflows for internal accounting systems

- Supported environment configuration and operational processes

- Investigated infrastructure and application-related issues

- Maintained technical and operational documentation

Technologies: AWS, MySQL, Jenkins, Linux

DevOps Engineer — Terradata

May 2019 — August 2019

- Built proof-of-concept infrastructure solutions in AWS environments

- Implemented CI workflows and automated infrastructure provisioning

- Supported application deployments and operational maintenance

- Participated in troubleshooting and issue investigation activities

Technologies: AWS, Terraform, PostgreSQL, Redis, Docker

DevOps Engineer — SunPower

February 2018 — May 2019

- Supported cloud infrastructure and CI/CD workflows for solar platform systems

- Maintained deployment pipelines and production environments

- Assisted with troubleshooting, release support and operational maintenance

- Improved deployment workflows and environment consistency

Technologies: AWS, Jenkins, Docker, MySQL, DataDog