Senior Quality Engineer - S3

Senior Staff Quality Engineer – S3

Employment Type:

Full time

Location Type:
On-site

• Own, extend, and improve the test strategy and automation framework for our S3 implementation.
• Define and articulate quality designs and test plans with appropriate technical depth, focusing on a shift-left approach.
• Drive quality across the full development lifecycle— from design review participation through release validation.
• Participate in technical and design reviews to identify testability gaps and quality risks early.
• Architect and troubleshoot test coverage for system-level components, with emphasis on file system behavior, storage system correctness, and S3 protocol compliance.
• Undertake research-based quality tasks: define a test approach for novel features, document findings, and derive coverage conclusions; design validation strategies based on the research conducted.
• Mentor junior QE engineers and embed quality practices within development teams; lead by example across the QE spectrum.
• Support product deployment validation and drive production defect triage and reproduction in a timely manner.

• Accountable and highly motivated with solid people skills.
• 12+ years of experience in systems software quality engineering and complex problem investigation.
• Demonstrated ability to develop not just happy path testing, but testing designed to exclude possibility of customer‑visible failures.
• Expert knowledge of C/C++; strong scripting ability in Python and shell for test automation.
• Excellent Linux development and test environment skills, including file system‑level testing.
• Full understanding of OS principles and kernel architecture as they relate to test design and defect analysis.
• Broad experience with open‑source development tool chains including gcc, gdb, g++, and git.
• Experience designing and validating parallel and concurrent programs.
• Good communication skills (verbal and written English).
• Deep understanding of Linux file systems and the ability to reason about correctness at the syscall and VFS layers.
• Knowledge of user‑space IO frameworks such as FUSE and SPDK, with ability to design tests that exercise them end‑to‑end.

• Strong understanding of RDMA network principles, libfabric, zero‑copy, and verbs — with ability to validate behavior in these environments.
• Experience with performance engineering and the design of performance regression test suites.
• Experience working with Scrum/Agile development processes.
• Experience testing complex network protocol implementations including TCP/IP or RDMA.
• Familiarity with S3 protocol conformance testing and object storage semantics.

• Highly Competitive Vacation Plans
• Paid Holidays
• Bonus Programs
• Tuition Reimbursement
• Employee Referral Program
• Excellent Medical, Dental and Vision Benefits
• Paid Leave Programs
• Anniversary and Recognition Awards

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