- In-depth experience using Ansible (and similar tools) in environments with over 500 servers:
- Designing complex static and dynamic inventories, variable structures, and playbooks
- Writing custom Ansible roles from scratch, with advanced features such as Jinja2 templating, complex logic flows, dynamic roles/tasks, and handlers
- Ensuring idempotency & reusability, and following applicable best practices
- In-depth experience supporting Linux servers in large, highly secure, and highly available 24/7 environments
- Demonstrated experience working with blockchain nodes or very strong knowledge of the blockchain domain
- Deep troubleshooting expertise of complex application flows which span multiple clusters of systems - to quickly identify server, network, and application issues; and methodical approach to implementing, testing, and measuring changes to remediate issues
- Knowledge of common OS and application level settings to optimize system performance
- Experience with common system administration scripting languages such as Bash and Python
- In-depth experience creating well organized modules with Terraform to ensure reusable cloud provisioning automation
- Deep understanding of networking and security best practices
Preferred Qualifications
- Ansible role testing with Molecule (or similar tools) and Ansible module development experience
- Knowledge of, or experience with, Proof-of-Work and Proof-of-Stake decentralized consensus mechanisms used in blockchains
- Experience running applications on Kubernetes
- Experience creating CI/CD pipelines from scratch to automate infrastructure provisioning and deploy applications (GitHub Actions or similar tools)
- Experience with Hashicorp Vault or other secure storage tools