New

Senior Software Engineer (Linux Ublk)

United States, Aliso Viejo, CA

Why PlayStation?

PlayStation isn’t just the Best Place to Play — it’s also the Best Place to Work. Today, we’re recognized as a global leader in entertainment producing The PlayStation family of products and services including PlayStation®5, PlayStation®4, PlayStation®VR, PlayStation®Plus, acclaimed PlayStation software titles from PlayStation Studios, and more.

PlayStation also strives to create an inclusive environment that empowers employees and embraces diversity. We welcome and encourage everyone who has a passion and curiosity for innovation, technology, and play to explore our open positions and join our growing global team.

The PlayStation brand falls under Sony Interactive Entertainment, a wholly-owned subsidiary of Sony Group Corporation.

Senior Software Engineer - Linux Ublk 

 

About the Role 

At PlayStation, our Gaming, Developer & Future Technology (GDFT) Group is leading the cloud gaming revolution by putting console-quality video games on any device from TVs to consoles to mobile devices and beyond!  Would you like to use your skills, time, and passion on meaningful projects that are building the future? We are seeking a highly skilled Linux Software Developer to join our engineering team. This role will focus on developing and optimizing low-level I/O subsystems, with an emphasis on Linux UBLK (Userspace Block Driver Framework) and io_uring. You will collaborate with kernel and systems engineers to design and implement efficient, scalable, and high-performance solutions for modern storage and I/O workloads. 

 

Key Responsibilities 

  • Design, implement, and maintain features in the Linux UBLK framework. 

  • Develop and optimize I/O paths using io_uring for low-latency, high-throughput workloads. 

  • Analyze, debug, and resolve performance bottlenecks in Linux I/O subsystems. 

  • Collaborate with cross-functional teams on storage, networking, and virtualization projects. 

  • Write clean, maintainable, and well-documented code with unit and integration tests. 

  • Stay current with developments in the Linux kernel, storage technologies, and emerging programming paradigms. 

 

Required Qualifications 

  • BS in Computer Science / Software Engineering or 5+ years of relevant work experience 

  • Strong expertise in Linux UBLK development and related kernel/user-space interactions. 

  • Solid experience with io_uring and modern Linux I/O frameworks. 

  • In-depth knowledge of the Linux I/O data path, including block layer and file systems. 

  • Proficiency in C for systems programming. 

  • Strong debugging and performance tuning skills (perf, ftrace, bpf, etc.). 

Preferred Qualifications 

  • Familiarity with DMA (Direct Memory Access) mechanisms and optimizations. 

  • Experience with Rust for systems programming or interest in adopting Rust for safe low-level development. 

  • Knowledge of NVMe (Non-Volatile Memory Express) protocols and storage technologies. 

  • Contributions to Linux kernel or other open-source projects. 

  • Strong problem-solving skills, with the ability to work independently and in a team environment. 

What We Offer 

  • Competitive compensation and benefits package. 

  • Opportunity to work on cutting-edge Linux kernel and storage technologies. 

  • Collaborative, innovation-driven environment with opportunities for open-source contributions. 

  • Flexible working arrangements and strong focus on professional growth. 

 

Please refer to our Candidate Privacy Notice for more information about how we process your personal information, and your data protection rights.

 

At SIE, we consider several factors when setting each role’s base pay range, including the competitive benchmarking data for the market and geographic location.

Please note that the base pay range may vary in line with our hybrid working policy and individual base pay will be determined based on job-related factors which may include knowledge, skills, experience, and location. 

In addition, this role is eligible for SIE’s top-tier benefits package that includes medical, dental, vision, matching 401(k), paid time off, wellness program and coveted employee discounts for Sony products. This role also may be eligible for a bonus package. Click here to learn more.

 

The estimated base pay range for this role is listed below.

$177,300 - $265,900 USD

Equal Opportunity Statement:

Sony is an Equal Opportunity Employer. All persons will receive consideration for employment without regard to gender (including gender identity, gender expression and gender reassignment), race (including colour, nationality, ethnic or national origin), religion or belief, marital or civil partnership status, disability, age, sexual orientation, pregnancy, maternity or parental status, trade union membership or membership in any other legally protected category.

We strive to create an inclusive environment, empower employees and embrace diversity. We encourage everyone to respond. 

PlayStation is a Fair Chance employer and qualified applicants with arrest and conviction records will be considered for employment.

Apply for this job

*

indicates a required field

Resume/CV*

Accepted file types: pdf, doc, docx, txt, rtf

Cover Letter

Accepted file types: pdf, doc, docx, txt, rtf

Select...
Select...
Select...
Select...
Select...
Select...

US Voluntary Demographic Question

 

Voluntary Self-Identification

Our vision at PlayStation is to bring out the best in our global team members by creating a sense of belonging, being a place where they can grow, and ensuring everyone feels valued, heard, and supported so we can push the boundaries of play. That vision begins our candidates, and we are working to better understand the diversity of our candidate population.  
 
This data will also be aggregated and sent to the government for reporting purposes. Please know that the completion of this form is entirely voluntary. Your personally identifiable information (name, address, etc) will not be considered in the hiring process or thereafter. Any information that you choose to provide will be recorded and maintained in a confidential file for XX time.

 

Protected Veteran

You are a “protected veteran” under United States law if any of the following apply to you:

  • Disabled Veteran: a veteran of the U.S. military who is entitled to compensation (or who would be entitled to compensation if not for the receipt of military retired pay) under the administration of the Secretary of Veterans Affairs and/or a person who was discharged or released from active duty because of a service-connected disability. 
  • Recently Separated Veteran: a veteran who has discharged or released from active duty in the U.S. military within the last three years.
  • Armed Forces Service Medal Veteran: a veteran who, while serving on active duty in the U.S. military, participated in a U.S. military operation for which an Armed Forces Service Medal was awarded pursuant to Executive Order 12985.

 

Disability

Under U.S. law, you are considered to have a disability if you have a physical or mental impairment or medical condition that substantially limits a major life activity, or if you have a history or record of such an impairment or medical condition.

Identifying yourself as an individual with a disability is voluntary, and we hope that you will choose to do so. Your answer will be maintained confidentially and will not be seen by selecting officials or anyone else involved in making personnel decisions, nor will it be shared with our accommodations team . Completing the form will not negatively impact you in any way, regardless of whether you have self-identified in the past.

Select...
Select...
Select...
Select...
Select...
Select...
Select...
Select...