Castelion
Site Reliability Engineer
Allen, TX, Torrance, CA +2 · Full-time · Posted Sep 15, 2026
- Location
- Allen, TX, Torrance, CA
716 South Greenville, Suite 160, Allen, TX 75002
19951 Mariner Ave, Torance, CA 90503 - Experience
- 5+ years; related disciplines supporting production or mission-critical systems are accepted.
- Education
- Bachelor's, Master's, or PhD in Computer Science, Computer Engineering, or a related technical field.
- Visa sponsorship
- No visa policy stated. Export-controlled information access is required without additional export licensing; security clearance or other government authorization and citizenship or eligibility requirements may apply if designated.
About the job
Own and improve the reliability, performance, observability, and operational health of critical engineering systems supporting software delivery and developer workflows.
What you'll do
- Define measurable reliability and service-health expectations, and build monitoring and diagnostic systems.
- Investigate incidents across system layers, lead root-cause analysis, and drive corrective and preventive actions.
- Partner across engineering teams, incrementally improve existing systems, and participate in on-call support.
What they ask for
- Bachelor's, Master's, or PhD in Computer Science, Computer Engineering, or a related technical field.
- 5+ years in Site Reliability Engineering, Production Engineering, Systems Engineering, Infrastructure Engineering, or a related discipline supporting production or mission-critical systems.
- Demonstrated expertise investigating complex failures and operating observability, monitoring, alerting, and incident-response systems.
- Strong Linux, networking, application, performance, and capacity fundamentals; ability to improve existing systems based on reliability needs.
Tools
Linux, Kubernetes, TCP, TLS, HTTP, DNS
Model-written summary · the original posting is authoritative