Principal Software Engineer - Archive Object, S3 & Key-Value Systems

Company Description

At Western Digital, our vision is to power global innovation and push the boundaries of technology to make what you thought was once impossible, possible.

At our core, Western Digital is a company of problem solvers. People achieve extraordinary things given the right technology. For decades, we’ve been doing just that. Our technology helped people put a man on the moon.

We are a key partner to some of the largest and highest growth organizations in the world. From energizing the most competitive gaming platforms, to enabling systems to make cities safer and cars smarter and more connected, to powering the data centers behind many of the world’s biggest companies and public cloud, Western Digital is fueling a brighter, smarter future.

Binge-watch any shows, use social media or shop online lately? You’ll find Western Digital supporting the storage infrastructure behind many of these platforms. And, that flash memory card that captures and preserves your most precious moments? That’s us, too.

We offer an expansive portfolio of technologies, storage devices and platforms for business and consumers alike. Our data-centric solutions are comprised of the Western Digital®, G-Technology™, SanDisk® and WD® brands.

Today’s exceptional challenges require your unique skills. It’s You & Western Digital. Together, we’re the next BIG thing in data.

Job Description

About the Role

We are seeking a seasoned Software Engineer (Principal Engineer Level) to help build and evolve enterprise-grade storage platforms used by mission-critical workloads. This role focuses on Archive Object storage, S3-compatible services, and distributed Key-Value stores, with strong emphasis on reliability, durability, scalability, and long-term maintainability.

You will work on core storage services that must meet enterprise expectations for performance, compliance, and operational stability.

Key Responsibilities

• Design, implement, and maintain enterprise-class object and archival storage systems
• Develop and enhance S3-compatible APIs and data paths
• Build and optimize distributed key-value storage services for metadata and control planes
• Ensure high durability, availability, and consistency across storage layers
• Participate in architectural reviews and long-term platform planning
• Debug and resolve complex issues in production distributed systems
• Collaborate with QA, SRE, and operations teams to ensure production readiness
• Mentor engineers and contribute to engineering best practices

Qualifications

Educational Background

• Bachelor’s or Master’s degree in Electrical Engineering, Computer Engineering, Computer Science, or a related field.

Required Qualifications

• Extensive software engineering development experience - Must have in order to qualify for position
• Strong background in enterprise or infrastructure software- Must have in order to qualify for position
• Hands-on experience with object storage, S3-compatible systems, archival storage, or KV stores- Must have in order to qualify for position
• Solid understanding of distributed systems (replication, consensus, failure handling)
• Experience building highly reliable, fault-tolerant services
• Strong debugging, performance tuning, and code review skills
• Proficiency in Java, Go, C++, Rust, or Python

Preferred Qualifications

• Experience with enterprise storage platforms or large-scale data infrastructure
• Familiarity with S3 internals, lifecycle management, tiering, and retention policies
• Knowledge of erasure coding, encryption, compression, or data protection schemes
• Experience with RocksDB, LevelDB, or similar KV engines
• Understanding of enterprise requirements such as security, compliance, and data governance
• Experience supporting long-lived systems in production environments

Additional Information

Western Digital is committed to providing equal opportunities to all applicants and employees and will not discriminate based on their race, color, ancestry, religion (including religious dress and grooming standards), sex (including pregnancy, childbirth or related medical conditions, breastfeeding or related medical conditions), gender (including a person’s gender identity, gender expression, and gender-related appearance and behavior, whether or not stereotypically associated with the person’s assigned sex at birth), age, national origin, sexual orientation, medical condition, marital status (including domestic partnership status), physical disability, mental disability, medical condition, genetic information, protected medical and family care leave, Civil Air Patrol status, military and veteran status, or other legally protected characteristics. We also prohibit harassment of any individual on any of the characteristics listed above. Our non-discrimination policy applies to all aspects of employment. We comply with the laws and regulations set forth in the Equal Employment Opportunity is the Law poster.

Western Digital thrives on the power and potential of diversity. As a global company, we believe the most effective way to embrace the diversity of our customers and communities is to mirror it from within. We believe the fusion of various perspectives results in the best outcomes for our employees, our company, our customers, and the world around us. We are committed to an inclusive environment where every individual can thrive through a sense of belonging, respect and contribution.

Western Digital is committed to offering opportunities to applicants with disabilities and ensuring all candidates can successfully navigate our careers website and our hiring process. Please contact us at staffingsupport@wdc.com to advise us of your accommodation request. In your email, please include a description of the specific accommodation you are requesting as well as the job title and requisition number of the position for which you are applying.

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Compensation & Benefits Details

• An employee’s pay position within the salary range may be based on several factors including but not limited to (1) relevant education; qualifications; certifications; and experience; (2) skills, ability, knowledge of the job; (3) performance, contribution and results; (4) geographic location; (5) shift; (6) internal and external equity; and (7) business and organizational needs.
• The salary range is what we believe to be the range of possible compensation for this role at the time of this posting.  We may ultimately pay more or less than the posted range and this range is only applicable for jobs to be performed in California, Colorado, New York or remote jobs that can be performed in California, Colorado and New York.  This range may be modified in the future.
• If your position is non-exempt, you are eligible for overtime pay pursuant to company policy and applicable laws.  You may also be eligible for shift differential pay, depending on the shift to which you are assigned.

• You will be eligible to be considered for bonuses under either WD’s Short Term Incentive Plan (“STI Plan”) or the Sales Incentive Plan (“SIP”) which provides incentive awards based on Company and individual performance, depending on your role and your performance. You may be eligible to participate in our annual Long-Term Incentive (LTI) program, which consists of restricted stock units (RSUs) or cash equivalents, pursuant to the terms of the LTI plan. Please note that not all roles are eligible to participate in the LTI program, and not all roles are eligible for equity under the LTI plan. RSU awards are also available to eligible new hires, subject to WD's Standard Terms and Conditions for Restricted Stock Unit Awards.

• We offer a comprehensive package of benefits including paid vacation time; paid sick leave; medical/dental/vision insurance; life, accident and disability insurance; tax-advantaged flexible spending and health savings accounts; employee assistance program; other voluntary benefit programs such as supplemental life and AD&D, legal plan, pet insurance, critical illness, accident and hospital indemnity; tuition reimbursement; transit; the Applause Program; employee stock purchase plan; and the WD Savings 401(k) Plan.
• Note: No amount of pay is considered to be wages or compensation until such amount is earned, vested, and determinable. The amount and availability of any bonus, commission, benefits, or any other form of compensation and benefits that are allocable to a particular employee remains in the Company's sole discretion unless and until paid and may be modified at the Company’s sole discretion, consistent with the law.

Notice To Candidates: Please be aware that WD and its subsidiaries will never request payment as a condition for applying for a position or receiving an offer of employment. Should you encounter any such requests, please report it immediately to WD Ethics Helpline or email compliance@wdc.com.