Principal Site Reliability Engineer

Onshape; Boston, Northern (MA, KY); Hybrid; USD 131,000 - 200,000; Full time

Benefits offered by this job

Medical, dental and vision

401(k) with company match

Tuition reimbursement

Employee stock purchase plan (ESPP)

Job summary

Onshape is hiring a Principal Software Engineer (SRE) in a hybrid role based in Boston, MA. You will lead reliability initiatives, shape strategy, and act as a technical authority to ensure the platform is fast, resilient, and scalable for customers.

You will drive incident prevention and post-incident reviews, mentor engineers, and collaborate with product teams to embed reliability into system design. Strong Java skills and distributed systems expertise are essential.

Qualifications

• 10+ years of experience in software engineering, site reliability engineering, or systems engineering roles.
• Extremely strong proficiency with the Java programming language and its ecosystem, including building, debugging, and operating production Java services.
• Deep experience operating complex, distributed systems in production environments.
• Strong software engineering background, with a track record of delivering high‑quality, maintainable code.
• Technical Strength: Expert understanding of incident management, service reliability, and performance engineering.
• Strong hands‑on experience with observability (metrics, logs, traces), capacity planning, and SLO‑driven reliability.
• Deep familiarity with modern cloud‑based infrastructure, CI/CD pipelines, and infrastructure‑as‑code practices.

Responsibilities

• Own Reliability at Scale and guide architectural decisions to improve availability and scalability.
• Identify systemic risks in architecture, data flows, and infrastructure and drive improvements.
• Set and evolve reliability standards, best practices, and operational principles across R&D.
• Lead efforts to prevent, detect, and mitigate incidents and manage major incident responses.
• Mentor SREs and engineers to raise overall engineering and operational maturity.
• Shape reliability strategy and stay current with industry trends to translate into durable improvements.

Skills

Java programming

Distributed systems

Incident management

Observability

CI/CD pipelines

Infrastructure as code

Leadership

Tools

AWS

CI/CD tooling

Job description

Onshape is hiring a Principal Software Engineer (SRE) in a hybrid role based in Boston, MA. You will lead reliability initiatives, shape strategy, and act as a technical authority to ensure the platform is fast, resilient, and scalable for customers.

You will drive incident prevention and post-incident reviews, mentor engineers, and collaborate with product teams to embed reliability into system design. Strong Java skills and distributed systems expertise are essential.