Senior Site Reliability Engineer Job Greenwood Village area,Colorado USA,IT/Tech

York is seeking a highly skilled Site Reliability Engineer to join our Observability and Reliability team to support mission critical integration, testing, and production environments across both on-premises and cloud infrastructure. This role is responsible for maintaining high-availability Linux systems, ensuring strong data integrity practices, and driving automation to improve resilience and operational excellence. The ideal candidate thrives in fast-paced engineering environments and takes ownership of the full lifecycle of system deployment, health, security, monitoring, and reliability.

Responsibilities

Maintain and enhance on-prem observability systems to ensure deep operational visibility and rapid issue detection.
Own the backup and data‑integrity infrastructure, ensuring secure, reliable, and tested recovery processes.
Guarantee high‑availability across a fleet of roughly 100+ Linux systems supporting critical operations.
Monitor on-prem production environments used for system integration and testing activities.
Monitor cloud‑based test and sandbox environments used for data visualization and trainings.
Manage and monitor simulation server infrastructure to ensure stable and high‑performance execution.
Design, implement, and maintain automation for fault detection, resilience, and self‑healing across systems.
Provision, configure, and validate new Linux machines for deployment in on‑prem facilities, including secure ones.
Support production test operations on manufacturing floors and specialized offline test sites, ensuring reliable system performance and minimal downtime.
Supported Linux network administration, troubleshooting IP addressing, DNS resolution, and Netplan configuration problems.
Ability to document, triage, and report daily issues found in production environments

Required Qualifications

5+years of experience in Site Reliability Engineering or similar field
Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent practical experience
Strong experience managing and administering Linux systems in production environments.
Proven expertise with observability platforms, monitoring tools, and logging/metric pipelines.
Ability to diagnose complex system issues and collaborate cross‑functionally with engineering and operations teams.
Comfortable supporting production environments, including occasional on‑site manufacturing or test facility work.

Preferred Qualifications

Active S/TS security clearance or ability to obtain
Hands‑on experience with backup systems, data‑integrity workflows, and disaster recovery practices.
Familiarity with cloud infrastructure (AWS, Azure, GCP, or similar) and hybrid deployment models.
Proficiency in scripting and automation (e.g., Python, Bash, Ansible, Terraform).
Experience with high‑availability systems, resilience engineering, and distributed systems concepts.
Experience with scalable observability frameworks or large fleet management.
Knowledge of configuration management, CI/CD pipelines, and infrastructure‑as‑code approaches
Comfortable with networking concepts and protocols
Tools and Languages
- Docker, Linux, Python, Bash, Ansible, Terraform, Git Lab CI (or similar), Git, Grafana, Alloy, Prometheus, Influx
Terminology and Understanding
- Infrastructure as Code, configuration management, containerization, security baselining and hardening, static/software composition analysis (SAST/SCA), cloud infrastructure administration