Principal Software Engineer, Sustaining

2 days ago

Hyderabad, India Summit Consulting Services Full time

Summary of Role We are looking for a highly skilled Principal Sustaining Software Engineer to act as the technical leader for our sustaining engineering team. In this role, you’ll combine deep enterprise software expertise with a passion for solving the most complex customer issues. You’ll be the first stop for escalations, a mentor to peers, and a builder of tools and processes that make our platform more reliable and supportable at scale. Primary Responsibilities As a Principal Sustaining Engineer, you will… Serve as the technical escalation point for the most complex customer cases. Diagnose, reproduce, and resolve challenging product and environment issues. Lead root-cause analysis and contribute fixes across C/C++ and Python codebases. Design and implement tooling, scripts, and observability improvements for supportability. Participate in design/code reviews and collaborate with core engineering teams. Mentor senior and sustaining engineers in technical debugging, coding, and process rigor. Act as a bridge between Customer Success and Engineering, ensuring customer pain points translate into product improvements. Be a part of the quarterly 24x7 on-call rotation. Required skills 8-10 years of enterprise software or storage platform development experience. Expert-level skills in Linux internals (memory, filesystems, networking, security). Strong coding expertise in C, C++, Python, and Bash. Hands-on debugging experience with gdb, valgrind, tcpdump, wireshark. Knowledge of authentication (AD, LDAP), distributed systems, and filesystems (XFS, EXT4). Experience handling high-severity customer escalations. Excellent problem-solving, collaboration, and mentoring abilities. It’s a bonus if you have… Prior leadership of technical war rooms or major incident response. Experience with hypervisors, CI/CD systems, and cloud integration. Contributions to open-source storage or Linux communities.

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