Senior Staff Software Engineer, S3

Ddn; Raleigh (NC); On-site; USD 150,000 - 210,000; Full time

Job summary

DDN is seeking a Senior Staff Software Engineer to advance a high-performance, S3-compliant file system. The role emphasizes C/C++ development, Linux deployment, and strong collaboration across global teams.

You will lead architecture, mentor engineers, and drive end-to-end development from design through deployment, while ensuring robust system performance and reliability.

Qualifications

• 12+ years of system software development experience.
• Proven C/C++ development with Linux deployment.
• Strong experience with OS principles and kernel concepts.
• Experience designing and debugging parallel software.
• Excellent communication in English.

Responsibilities

• Maintain, extend, and improve our S3 implementation.
• Design and develop in C/C++ under tight deadlines with minimal supervision.
• Define and articulate technical designs with detailed specifications.
• Lead full application development from design to testing and deployment.
• Participate in technical reviews and drive architectural decisions.
• Architect and troubleshoot system-level components, especially the file system and storage.
• Define research approaches, document results, and propose solutions.
• Mentor junior developers and support production deployments.

Skills

C/C++

Linux development

OS architecture

Parallel programming

Technical leadership

Mentoring

Communication skills

S3 file system knowledge

Self-starter

Problem solving

Tools

gcc

gdb

g++

git

Job description

We are seeking a Senior Staff Software Engineer for the ongoing development of a S3 compliant high performance file system. The candidate must have proven development experience with technical leadership qualities, effective communication skills and is a self-starter. In addition, the candidate must collaborate with other teams and individuals worldwide to quickly learn DDN products/technology/setup & configuration. The candidate must be able to leverage and integrate the monitoring, health-check and alerting aspects around the product.

Key Responsibilities:

• Maintain, extend, and improve our S3 implementation.

• Design and develop in C/C++ under tight deadlines with minimal supervision

• Define and articulate technical designs with the appropriate details

• Full application development from design to development to testing to deployment

• Participate in technical reviews throughout the course of development

• Architecture and troubleshooting of system level components, especially the file system and related storage system components.

• Undertake research based technical tasks: Define research approach, document results and derive conclusions. Should be able to design a solution based on the research conducted

• Mentor junior developers

• Support product deployment and production defect resolution in a timely manner

Requirements:

• Accountable and highly motivated with solid people skills

• 12+ years’ experience system software development and complex problem resolution.

• Expert knowledge of the following programming languages: C/C++

• Excellent Linux development and deployment skills including but not limited to file system development.

• Full understanding of OS principles and architecture of Kernel procedures.

• Broad range of experience with open-source development toolchain like gcc, gdb, g++, git

• Experience designing and developing parallel program

• Good communication skills (verbal and written English).

• Understanding of Linux File Systems

• Knowledge of user space IO frameworks such as Fuse, SPDK

Nice to have:

• Strong understanding of RDMA network principles, libfabric, zero-copy, verbs, etc.

• Knowledge of performance engineering.

• Experience working with Scrum Agile

• Experience of complex network programming, TCP/IP or RDMA.