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Senior Principal Engineer-Data Protection

Seoul, South Korea

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About Commvault 

Commvault (NASDAQ: CVLT) is the gold standard in cyber resilience. The company empowers customers to uncover, take action, and rapidly recover from cyberattacks – keeping data safe and businesses resilient. The company’s unique AI-powered platform combines best-in-class data protection, exceptional data security, advanced data intelligence, and lightning-fast recovery across any workload or cloud at the lowest TCO. For over 25 years, more than 100,000 organizations and a vast partner ecosystem have relied on Commvault to reduce risks, improve governance, and do more with data. 

About the Team

The Clumio Data Protection team designs and operates cloud-native systems that protect and recover large volumes of enterprise cloud data. For many customers, backup is not a “nice-to-have” feature but a mandatory foundation driven by compliance, audit, and security requirements. In these environments, recovery speed, cost efficiency, and the ability to operate reliably at large data scales are critical differentiators.

The systems are designed to protect and recover cloud object data in a fully cloud-native manner. Compared to native cloud backup solutions, the platform delivers significantly faster recovery, lower cost for large-scale object storage workloads, and reliable support for substantially higher data volumes. These outcomes result from deliberate engineering decisions across system architecture, data flows, and failure-handling strategies.

The platform is built to gracefully handle disruptions through reprocessing and retries while maintaining correctness under real-world operational conditions at scale. The team operates a proven production platform supporting services such as Amazon S3 and DynamoDB and is expanding into multi-cloud data protection across GCP and Azure.

Role Overview

As a Senior Principal Engineer on the Clumio Data Protection team, you are a senior technical authority for data protection correctness, durability, and recovery guarantees, reporting to the Engineering Director. This role operates at a company-critical scope, combining deep hands-on engineering with product-wide technical leadership and multi-year architectural ownership over systems that directly underpin customer trust, compliance, and business credibility.

You define and drive the long-term technical and product-facing vision for data protection across the Clumio platform, spanning backup, recovery, replication, policy enforcement, metadata integrity, and failure handling across multiple cloud environments. You are responsible not only for the architectural integrity of these systems, but also for helping translate ambiguous customer, business, and product needs into clear technical strategy and execution plans. You work closely with the Engineering Director and Product leadership to shape roadmaps, sequence major initiatives, and ensure technical investments align with long-term product goals.

You lead the organization's complex, high-risk, and ambiguous initiatives—projects where requirements are few, problem boundaries are unclear, and tradeoffs have significant customer and business impact. This includes defining problem spaces, driving cross-functional alignment, designing systems with provable correctness, rigorously analyzing failure modes and recovery paths, and setting technical standards that ensure durability, security, and recoverability at scale.

While remaining deeply hands-on, you operate at a broader organizational scope than other individual contributors. You mentor Principal Engineers and senior technical leaders, guide teams through ambiguous design spaces, and serve as the escalation point for the most critical architectural and product-impacting decisions. You partner closely with Product, Customer Success, Security, Compliance, and executive leadership to ensure data protection architecture, roadmaps, and delivery plans reflect real-world customer requirements, regulatory obligations, and operational realities.

In this role, you are not only building systems—you are helping define the data protection capabilities Clumio brings to market for its customers.

Basic Qualifications

  • 12+ years of professional software engineering experience, including significant ownership of complex production systems.
  • Proven experience leading ambiguous, high-impact technical initiatives from problem definition through production delivery.
  • Strong ability to translate business, customer, and operational needs into clear technical requirements and system designs.
  • Deep experience designing and evolving distributed or cloud-native systems with a strong focus on correctness, operability, and cost efficiency.
  • Demonstrated ability to make and drive critical technical decisions with broad system impact and to communicate trade-offs clearly to both technical and non-technical stakeholders.
  • Working knowledge of English.

Preferred Qualifications

  • Experience serving as the senior technical owner for a team or platform while remaining hands-on.
  • Experience designing systems that span multiple services or cloud environments, including defining common abstractions and patterns.
  • Familiarity with cloud platforms such as AWS, GCP, or Azure.
  • Background in data management, backup and recovery, disaster recovery, or other data protection domains.
  • Strong understanding of secure system design principles, including authorization, encryption, and secure handling of sensitive data.
  • Experience mentoring senior engineers and shaping technical direction in collaboration with engineering and product leadership.

You’ll Love Working Here Because ...

  • Collaborate with amazing, driven, and supportive team members.
  • Enjoy continuous professional growth through product training, development programs, and clear career pathways.
  • Work on high-impact, large-scale cloud data protection systems used by global enterprises.
  • Thrive in an inclusive, open culture with opportunities to connect through our community groups.
  • Take advantage of generous global benefits tailored to support your well-being.
  • Receive competitive compensation that reflects your impact.
  • Share in our success through our Employee Stock Purchase Plan.

#LI-MR1

#LI-Hybrid

 

 

Commvault is an equal opportunity workplace and is an affirmative action employer. We are always committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity or Veteran status and we will not discriminate against on the basis of such characteristics or any other status protected by the laws or regulations in the locations where we work.

Commvault’s goal is to make interviewing inclusive and accessible to all candidates and employees. If you have a disability or special need that requires accommodation to participate in the interview process or apply for a position at Commvault, please email accommodations@commvault.com For any inquiries not related to an accommodation please reach out to wwrecruitingteam@commvault.com.

 

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