Senior Site Reliability Engineer

York Space Systems was founded to radically improve spacecraft affordability and reliability, transforming, and enabling next- generation space mission operations worldwide. Today, York is one of the most innovative aerospace companies, specializing in end-to-end customer solutions and the rapid production of spacecraft platforms. York’s complete Space Segment Solution includes spacecraft production, payload integration, system integration & test, launch services, ground segment services, and mission operations, enabling customers to leverage York’s existing technology solutions to get to orbit rapidly and responsively. We’re looking to expand our team across the board.

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, GitLab 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

In compliance with local law, we are disclosing the compensation, or a range thereof, for roles in locations where legally required. Actual salaries will vary based on several factors, including but not limited to external market data, internal equity, location, skill set, experience, and/or performance.

Benefits In addition to compensation, York Space Systems is proud to offer a comprehensive benefits package including medical, dental, and vision insurance along with PTO and a 401K.

How To Apply Interested candidates are encouraged to apply by clicking the “Apply” link at the top of the page. York Space Systems will be accepting applications on a rolling basis until the position is closed. York Space Systems provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, military or protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws. Must have permanent authorization to work in the United States. This policy applies to all terms and conditions or employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training. YORK SPACE SYSTEMS IS AN EEO EMPLOYER.