Cloud & Data Engineer - On-site Only

Privacy Policy – Core Natural Resources, Inc.

Role Summary:

The Cloud & Data Engineer supports the design, build, and maintenance of Core’s cloud infrastructure, data lake environment, and backend service integrations. Operating under the Technology Strategist & Cloud Engineering Manager, this role delivers production-grade systems that enable analytics, automation, and reliable operations across enterprise platforms.

Key Responsibilities

- Accept, embrace, and promote the following Core Values of Core Natural Resources: Safety, Sustainability, Continuous Improvement

- Implement and maintain cloud infrastructure using infrastructure-as-code and CI/CD pipelines (Terraform, Git-based workflows)

- Develop, test, and monitor ETL/ELT data pipelines for ingestion, transformation, and analytics-ready data flows

- Maintain and scale Core’s cloud-native data lake to support business reporting, data quality, and financial operations

- Build, manage, and operationalize backend APIs and service integrations, ensuring secure and stable data exchange

- Support internal applications and operational tooling deployments — focusing on automation, availability, and performance

- Implement observability tools (e.g., logging, tracing, monitoring, alerts) across infra and data systems

- Participate in incident resolution, root-cause analysis, and ongoing ops improvement

- Create and maintain technical documentation: pipeline architecture, API contracts, infrastructure diagrams, and data lineage

- Collaborate with internal teams to deliver consistent and auditable cloud solutions aligned to enterprise standards

Required Qualifications

- Bachelor’s degree in Computer Science, Software Engineering, Data Engineering, or a related technical discipline

- Professional experience in cloud or data engineering roles, with demonstrated ownership of production-grade deliverables

- AWS Certified Solutions Architect Associate (or higher) required. Applicants without AWS certification must complete Certified Solutions Architect Associate certification within 60 days of hire

- Must have experience working in environments with multi-account AWS architectures, enterprise security controls, and cost optimization practices.

- Ability to independently deliver end-to-end cloud/data solutions from architecture to production with minimal oversight

- Demonstrated ability to integrate AWS data pipelines with at least one ERP or enterprise financial platform in production

- Hands-on experience with AWS services including S3, Lambda, RDS, IAM, and ETL tools such as Glue and Step Functions

- Proficiency in Python and SQL for data processing, transformation, and scripting

- Demonstrated experience developing, integrating, or consuming RESTful APIs in a backend context

- Proven experience deploying infrastructure using Terraform in a team-based GitOps workflow

- Solid understanding of data lake architecture, data modeling principles, and pipeline orchestration (batch and streaming)

- Experience with monitoring and observability tooling (e.g., CloudWatch, Prometheus, Grafana), including alerting and dashboarding

Preferred Qualifications

- 1–3 years of professional experience in production-grade cloud, data, or backend engineering roles.

- Hands-on experience with orchestration platforms such as Apache Airflow, dbt, or AWS-native equivalents for automated pipeline management.

- Proficiency in containerization and backend service deployment workflows, including Docker and orchestration on ECS or EKS, with knowledge of CI/CD integration.

- Experience developing and maintaining backend applications using Python frameworks such as Django or FastAPI, or Node.js frameworks such as Express.js.

- Familiarity with microservices architecture and service-to-service communication using REST or gRPC.

- Understanding of event-driven architectures using AWS SNS, SQS, Kinesis, or Kafka.

- Experience with unit testing, integration testing, and continuous testing practices (e.g., PyTest, Jest).

- Knowledge of relational and NoSQL databases (e.g., PostgreSQL, DynamoDB, MongoDB) and ORM frameworks (e.g., Django ORM, SQLAlchemy).

- Experience deploying and integrating machine learning models into production systems using frameworks such as scikit-learn, TensorFlow, or PyTorch.

- Familiarity with MLOps workflows — model packaging, versioning (e.g., MLflow), and monitoring in a cloud environment.

We look forward to seeing you