Celestial AI

Administrative Assistant

PIC Design Engineer

Silicon Photonics Process Engineer

Senior ASIC/VLSI Synthesis and Design Engineer

SoC DV Lead

Digital Design Engineer

Principal Design Engineer – RTL Design & Integration

Senior CAD Engineer

Photonics Reliability Engineer

Celestial AI is seeking an experienced Administrative Assistant to support their Office Manager at their Santa Clara headquarters. This full-time, on-site role requires strong time management, professionalism, and the ability to collaborate effectively with executives, customers, investors, and internal teams. The responsibilities include providing high-level administrative support, managing calendars and expenses, coordinating domestic and international travel, maintaining conference room schedules, planning and coordinating events, greeting visitors, assisting with office operations during absences, and supporting the Talent and People organization with candidate interview coordination. The role also involves maintaining swag inventory.

Compiler Engineer (Backend)

<div>About Celestial AI As Generative AI continues to advance, the performance drivers for data center infrastructure are shifting from systems-on-chip (SOCs) to systems of chips. In the era of Accelerated Computing, data center bottlenecks are no longer limited to compute performance, but rather the system’s interconnect bandwidth, memory bandwidth, and memory capacity. Celestial AI’s Photonic Fabric™ is the next-generation interconnect technology that delivers a tenfold increase in performance and energy efficiency compared to competing solutions. The Photonic Fabric™ is available to our customers in multiple technology offerings, including optical interface chiplets, optical interposers, and Optical Multi-chip Interconnect Bridges (OMIB). This allows customers to easily incorporate high bandwidth, low power, and low latency optical interfaces into their AI accelerators and GPUs. The technology is fully compatible with both protocol and physical layers, including standard 2.5D packaging processes. This seamless integration enables XPUs to utilize optical interconnects for both compute-to-compute and compute-to-memory fabrics, achieving bandwidths in the tens of terabits per second with nanosecond latencies. This innovation empowers hyperscalers to enhance the efficiency and cost-effectiveness of AI processing by optimizing the XPUs required for training and inference, while significantly reducing the TCO2 impact. To bolster customer collaborations, Celestial AI is developing a Photonic Fabric ecosystem consisting of tier-1 partnerships that include custom silicon/ASIC design, system integrators, HBM memory, assembly, and packaging suppliers.</div><div>ABOUT THE ROLE We are seeking an experienced Administrative Assistant to support our Office Manager at our Santa Clara headquarters. This full-time, on-site role requires strong time management skills, exceptional professionalism, and the ability to work closely with executives, customers, investors, and internal teams in a collaborative environment. ESSENTIAL DUTIES AND RESPONSIBILITIES <ul> <li>Deliver high-level administrative support to the management team, ensuring seamless daily operations. This includes but is not limited to Calendar Management and Expense Management.</li> <li>Coordinate and manage domestic and international travel logistics, including preparation of all necessary documentation.</li> <li>Review and maintain conference room calendars to ensure efficient scheduling and minimize conflicts.</li> <li>Plan and coordinate events for executives, including those with customers, investors, board members, partners and employees including scheduling, logistics, catering arrangements, and post-event cleanup.</li> <li>Greet and assist visitors to the office.</li> <li>Act as backup for the Office Manager and Facilities Specialist, maintaining continuity in office operations during absences.</li> <li>As time allows, assist the Talent and People organization by coordinating candidate interviews, managing scheduling, and ensuring positive candidate experiences.</li> <li>Maintain swag inventory and order replenishment to ensure items are stocked and available for distribution.</li> </ul> QUALIFICATIONS <ul> <li>Exceptional communication skills, both written and verbal.</li> <li>Corporate experience required.</li> <li>Strong organizational and time-management capabilities.</li> <li>Proficiency in Microsoft Office Suite (Outlook, Word, Excel, PowerPoint).</li> <li>Ability to multitask, prioritize effectively, and maintain a professional demeanor.</li> <li>Strong attention to detail and a proactive approach to problem-solving.</li> <li>Positive attitude, flexibility, and the ability to thrive in a fast-paced environment.</li> <li>Ability to lift up to 15 pounds.</li> </ul> &nbsp; LOCATION: Santa Clara, CA For California Location: As an early stage start up, we offer an extremely attractive total compensation package inclusive of competitive base salary, bonus and a generous grant of our valuable early-stage equity. The target base salary for this role is approximately $75,000.00 - $100,000.00. The base salary offered may be slightly higher or lower than the target base salary, based on the final scope as determined by the depth of the experience and skills demonstrated by candidate in the interviews.</div><div>We offer great benefits (health, vision, dental and life insurance), collaborative and continuous learning work environment, where you will get a chance to work with smart and dedicated people engaged in developing the next generation architecture for high performance computing. Celestial AI Inc. is proud to be an equal opportunity workplace and is an affirmative action employer. &nbsp; #LI-Onsite</div>

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- This assessment gives us an idea of your C++ skills - Companies that evaluate this skillset in interviews: Rockstar Games, Ubisoft, Mayhem Studios, etc. - 10 Multiple Choice questions - Average time to complete: 7 to 10 minutes

Let's assess your Data Structures! 📋 &nbsp;- This assessment gives us an idea of your problem solving skills using DSA - Companies that evaluate this skillset in interviews: MPL, LILA Games, GSN Games, etc. - 10 Multiple Choice questions - Average time to complete: 7 to 10 minutes

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Warner Bros. Discovery

Lead Designer, Game Systems

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Warner Bros. Discovery is seeking a Lead Designer, Game Systems for its Avalanche studio, located in Salt Lake City. The role involves leading the design and implementation of gameplay loop systems for an Online Multiplayer RPG. Responsibilities include overseeing player progression, in-game economies, rewards, account systems, social systems, and game mechanics to ensure an engaging player experience. The position requires designing, coordinating, and enhancing gameplay across multiple systems, leading development of core gameplay loops, defining meta-level features for player engagement and retention, and collaborating with various disciplines like design, product, narrative, engineering, and art. The role also involves balancing and tuning progression systems, documenting system visions, and mentoring design team members. The ideal candidate will have 7+ years of game design experience with a focus on online multiplayer systems, strong collaboration skills, and proficiency with game design software.

Exploring the cosmos of gaming, where every player becomes a space-faring hero.

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Senior Art Director

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Associate Designer, Technical

Lead Designer, World

Lead Designer, Narrative

Welcome to Warner Bros. Discovery… the stuff dreams are made of.Who We Are… When we say, “the stuff dreams are made of,” we’re not just referring to the world of wizards, dragons and superheroes, or even to the wonders of Planet Earth. Behind WBD’s vast portfolio of iconic content and beloved brands, are the storytellers bringing our characters to life, the creators bringing them to your living rooms and the dreamers creating what’s next…From brilliant creatives, to technology trailblazers, across the globe, WBD offers career defining opportunities, thoughtfully curated benefits, and the tools to explore and grow into your best selves. Here you are supported, here you are celebrated, here you can thrive.Avalanche is a Warner Bros. Games studio located in downtown Salt Lake City nestled against the backdrop of the beautiful Wasatch Mountains. We’ve been in the video game business since 1995, creating interactive experiences for fans of the world’s largest franchises.&nbsp;Join the team behind the blockbuster open world, action RPG Hogwarts Legacy as we create what’s next!<div><div>Lead Designer, Game Systems&nbsp;The Job&nbsp;</div><div>As a Lead Designer, Game Systems for our Online Multiplayer RPG, you will spearhead the design and implementation of numerous gameplay loop systems that tie together the player experience at a meta game level. &nbsp;You will collaborate closely with the Game and Design Directors to oversee and implement the strategic integration of player progression, in-game economies, rewards, account systems, social systems, and game mechanics, ensuring that these systems create an engaging, cohesive, and rewarding player journey.&nbsp;</div><div>&nbsp;</div><div>Your Role Accountabilities...&nbsp;</div><div>This role will focus on designing, coordinating, and enhancing the overall gameplay experience across multiple systems in the game. This position includes a blend of creative, strategic, management, and technical responsibilities.</div><div>Design Leadership:&nbsp;</div><div><ul><li>Lead the development of core gameplay loops and meta systems, such as player progression, skill trees, crafting, in-game economies, or mission systems.&nbsp;</li></ul></div><div><ul><li>Define and balance meta-level features that enhance long-term player engagement, retention, and monetization strategies.&nbsp;</li></ul></div><div><ul><li>Create, prototype, and iterate on innovative gameplay features that harmonize across various in-game systems.&nbsp;</li></ul></div><div>Collaboration and Coordination:&nbsp;</div><div><ul><li>Collaborate closely with design, product, narrative, engineering, and art disciplines to ensure meta systems complement and enhance the player experience.&nbsp;</li></ul></div><div><ul><li>Work with product managers and analysts to ensure that gameplay systems align with overall project goals and player behavior insights.&nbsp;</li></ul></div><div><ul><li>Partner with UX/UI designers to create intuitive, player-friendly interfaces for meta systems.&nbsp;</li></ul></div><div>Balance and Tuning:&nbsp;</div><div><ul><li>Ensure progression systems are balanced, fair, and provide meaningful advancement and rewards.&nbsp;</li></ul></div><div><ul><li>Lead and implement tuning and balancing processes, utilizing player feedback and data to improve gameplay experiences.&nbsp;</li></ul></div><div>Vision and Documentation:&nbsp;</div><div><ul><li>Define and document the vision for Systems features and ensure they align with the overall creative and design direction of the game.&nbsp;</li></ul></div><div><ul><li>Lead the creation of high-quality design documentation, including system designs, flowcharts, and user stories.&nbsp;</li></ul></div></div><div><div>Mentorship and Team Leadership:&nbsp;</div><div><ul><li>Mentor and manage senior to junior designers to provide guidance to other design team members.&nbsp;</li></ul></div><div><ul><li>Promote a collaborative, creative, and innovative design culture within the team.&nbsp;</li></ul></div><div>&nbsp;</div><div>Qualifications &amp; Essentials...&nbsp;&nbsp;</div><div><ul><li>7+ years of experience in game design, with at least 3-5+ years leading or owning major online multiplayer gameplay systems.&nbsp;</li></ul></div><div><ul><li>Deep understanding of core gameplay mechanics and how they interact with meta systems (e.g., progression, economy, player retention strategies).&nbsp;</li></ul></div><div><ul><li>Proven experience in designing and balancing complex systems across multiple in-game layers.&nbsp;</li></ul></div><div><ul><li>Strong collaboration and communication skills across departments, including engineering, art, narrative, and production.&nbsp;</li></ul></div><div><ul><li>Ability to conceptualize, prototype, and implement gameplay systems.&nbsp;</li></ul></div><div><ul><li>Proficiency with game design software (e.g., Unreal Engine).&nbsp;</li></ul></div><div><ul><li>Strong analytical skills, with the ability to interpret player data and adjust designs accordingly.&nbsp;</li></ul></div><div><ul><li>Management experience working with AAA quality design cross functional teams.&nbsp;</li></ul></div><div>&nbsp;</div><div>Nice to Haves...&nbsp;&nbsp;</div><div><ul><li>Experience with implementing data informed game design and a passion for using metrics to enhance player experience.&nbsp;</li></ul></div><div><ul><li>Experience with scripting languages or a technical background is a plus.&nbsp;</li></ul></div><div><ul><li>Deep knowledge of industry trends, best practices, and emerging technologies in game design.&nbsp;</li></ul></div><div><ul><li>A passion for online multiplayer RPGs&nbsp;</li></ul></div></div>How We Get Things Done…This last bit is probably the most important! Here at WBD, our guiding principles are the core values by which we operate and are central to how we get things done. You can find them at <a href="http://www.wbd.com/guiding-principles/" target="_blank" rel="noopener noreferrer">www.wbd.com/guiding-principles/</a> along with some insights from the team on what they mean and how they show up in their day to day. We hope they resonate with you and look forward to discussing them during your interview.Championing Inclusion at WBDWarner Bros. Discovery embraces the opportunity to build a workforce that reflects a wide array of perspectives, backgrounds and experiences. Being an equal opportunity employer means that we take seriously our responsibility to consider qualified candidates on the basis of merit, without regard to race, color, religion, national origin, gender, sexual orientation, gender identity or expression, age, mental or physical disability, and genetic information, marital status, citizenship status, military status, protected veteran status or any other category protected by law.If you’re a qualified candidate with a disability and you require adjustments or accommodations during the job application and/or recruitment process, please visit our <a href="https://careers.wbd.com/global/en/accessibility" target="_blank" rel="noopener noreferrer">accessibility page</a> for instructions to submit your request.In compliance with local law, we are disclosing the compensation, or a range thereof, for roles in locations where legally required. Actual salaries will vary based on several factors, including but not limited to external market data, internal equity, location, skill set, experience, and/or performance. Base pay is just one component of Warner Bros. Discovery’s total compensation package for employees. Pay Range: $108,150.00 - $200,850.00 salary per year. Other rewards may include annual bonuses, short- and long-term incentives, and program-specific awards. In addition, Warner Bros. Discovery provides a variety of benefits to employees, including health insurance coverage, an employee wellness program, life and disability insurance, a retirement savings plan, paid holidays and sick time and vacation.If you’re a qualified candidate with an arrest or conviction record, please know that your application will be considered in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act.

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This assessment gives us an idea of your C++ skills- Companies that evaluate this skillset in interviews: Rockstar Games, Ubisoft, Mayhem Studios, etc.- 10 Multiple Choice questions- Average time to complete: 7 to 10 minutes

Let's assess your Data Structures! - This assessment gives us an idea of your problem solving skills using DSA- Companies that evaluate this skillset in interviews: MPL, LILA Games, GSN Games, etc.- 10 Multiple Choice questions

Data Structures and Algorithms

Let's assess your Programming Patterns! ????- This assessment gives us an idea of your code architecture skills- Companies that evaluate this skillset in interviews: Dirtcube, PTW, Playshifu, etc.

Programming Patterns

Let's assess your OOPs skills! ????- This assessment gives us an idea of your fundamental OOPS concepts and Solid principles skills- Companies that evaluate this skillset in interviews: Hitwicket, GSN Games, Tomo Club, etc.

Object Oriented Programming

Let's assess your Unity Skills ????- This assessment gives us an idea of your Unity fundamentals- Companies you can apply for after taking this assessment: Godspeed games, Salvation Games, nCore Games, etc.