Celestial AI

Photonics Systems Test Engineer

Product Engineer – ATE, SLT & Optics

Optical SerDes Validation Engineer

Package Integration Engineer

Senior Director, Applications Engineer

AMS Design Engineer

Silicon Packaging Layout Engineer

3DIC Package Architect

Administrative Assistant

Celestial AI is at the forefront of Generative AI infrastructure, developing the Photonic Fabric™ to address data center bottlenecks in interconnect bandwidth, memory bandwidth, and capacity. This next-generation optical interconnect technology offers a tenfold increase in performance and energy efficiency, enabling high bandwidth and low latency for AI accelerators and GPUs. We are seeking an experienced Photonics Test Engineer to lead system bring-up, validation, and DVT testing for the optics in our scale-up network products, collaborating cross-functionally with ASIC, AMS, Firmware, and Packaging teams to deliver advanced test and characterization solutions.

PIC Design Engineer

About Celestial AIAs 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.ABOUT THE ROLEWe are seeking an experienced Photonics test engineer that can lead system bring-up, validation and DVT testing for the optics used in Celestial’s cutting-edge scale-up network product offerings. This is a cross-functional role, with strong collaboration with the ASIC, AMS, Firmware and Packaging teams to deliver state of the art test and characterization solutions.ESSENTIAL DUTIES AND RESPONSIBILITIES<ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Own the Photonics test and characterization of high-speed optical networking products and sub-systems that are ushering in the next generation of AI XPU connectivity and are built on the most advanced PICs in the industry.</li><li class="leading-relaxed">Work cross-functionally across the organization to demonstrate, validate and troubleshoot key building blocks of Celestial’s groundbreaking Photonic FabricTM technology and support new product introduction (NPI) from R&D through to manufacturing test.</li><li class="leading-relaxed">Collaborate with ASIC & AMS design and packaging teams to improve device performance and test coverage.</li><li class="leading-relaxed">Also contribute significantly to wafer-scale testing of Photonics library elements and sub-systems.</li></ul>QUALIFICATIONS<ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Specialized skills</li><li class="leading-relaxed">Strong experience designing and executing test plans for datacom optical transceivers, photonic integrated circuits (PICs) & optoelectronic subassemblies, with the ability to analyze and understand the resulting data.</li><li class="leading-relaxed">Strong experience performing high-speed (56Gbps+/lane) optical and electrical measurements including Bit Error Rate (BER) testing, eye-diagram analysis and link control loop testing.</li><li class="leading-relaxed">Strong familiarity with basics of optical characterization, including spectral testing and insertion & return loss measurements.</li><li class="leading-relaxed">Strong experience with data analysis tools (JMP, DataConductor or similar)</li><li class="leading-relaxed">Ability to automate test setups using standard scripting languages (Python preferred) and to integrate standard instruments (oscilloscopes, BERTs, AWGs, tunable lasers, optical spectrum analyzers etc).</li><li class="leading-relaxed">Familiarity with Analog and Photonics device and circuit design principles is a big plus.</li></ul><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Education requirements</li><li class="leading-relaxed">Minimum MS in engineering or physics. PhD is preferred.</li><li class="leading-relaxed">Experience requirements</li><li class="leading-relaxed">Minimum 5 years of relevant experience</li><li class="leading-relaxed">Attributes</li><li class="leading-relaxed">Self-starter</li><li class="leading-relaxed">Thrives in a highly collaborative and dynamic work environment</li><li class="leading-relaxed">Has excellent oral and written communication skills</li><li class="leading-relaxed">Creativity in problem-solving with strong attention to detail</li></ul>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 $185,000.00 - $225,000.00. 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.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.

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Highspot

Sr. Customer Success Manager, Financial Services- Remote

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Highspot is seeking an experienced Customer Success Manager for their Post-Sales team, focusing on Financial Services. This role involves building strong customer relationships, understanding their needs, and ensuring maximum value from Highspot's platform. The CSM will drive product adoption, ensure satisfaction, foster advocacy, identify account risks, and collaborate with internal teams to optimize implementations. Success is measured by customer revenue retention and expansion potential, delivering key milestones like Mutual Value Plans and Strategic Business Reviews.

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<h4 class="text-lg md:text-xl font-semibold mt-6 mb-2 text-gray-800">About Highspot</h4>Highspot is pioneering the category that is fundamentally changing the way companies increase sales productivity. On a mission to transform the way millions of people work with sales enablement, Highspot is committed to building breakthrough software with a spark of magic. We believe a great place to work is about more than the work – it’s about what the company stands for, and how it authentically represents its values in the real world. To this end, we have put intentional focus on creating equitable workspaces for each of our employees. Our goal is to create a culture where everyone feels a deep sense of belonging and is empowered to be an agent of change, with the ability to transform themselves, their workplace, and their world.<h4 class="text-lg md:text-xl font-semibold mt-6 mb-2 text-gray-800">About the Role</h4>We are looking for an experienced Customer Success Manager to join our Post-Sales team. Customer Success Managers (CSMs) play a crucial role in ensuring Highspot's customers' satisfaction, retention, and ongoing success. Their primary focus is to build strong relationships with customers, understand their needs, and help them derive maximum value from the products or services offered by the company. Success is denominated in the form of the sellers, BTL, OT, and ATL satisfaction and assessment of HIghspot value that generates customer revenue retention and the potential for expansion within the customer account hierarchy.The CSM is expected to understand customers' needs and strategically expand engagement with Highspot. They are tasked with driving product adoption, ensuring customer satisfaction, and fostering advocacy across various organizational levels and functions, including Sales, Marketing, IT, and Finance. Additionally, the CSM proactively identifies account risks, collaborates with internal teams like Deployment Consultants and Technical Account Managers to optimize implementations, and achieves expertise in the Highspot platform. Ultimately, they deliver essential customer-facing milestones, including Mutual Value Plans, Solution Health Reviews and Strategic Business Reviews, while partnering with Account Management for renewals and expansions.We are looking for CSMs who are passionate about enablement and how it can transform organizations. As a CSM, you will have the opportunity to help some of the world’s most influential companies solve their toughest problems. As a key member of our post-sales team, the CSM must thrive in a highly collaborative environment and have a proven track record of driving customer value and revenue retention.<h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">What You'll Do</h3><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">RESPONSIBILITY 1: Customer Relationship Ownership</li><li class="leading-relaxed">Serve as the face and voice of Highspot to customers in your portfolio and as “the buck stops with you” owner of those customer relationships internally at Highspot</li><li class="leading-relaxed">Deeply understand your customer’s needs, thoughtfully helping business leaders to find opportunities to expand value, our footprint and depth of engagement</li><li class="leading-relaxed">Manage relationships with solution owners (Enablement, Marketing, Ops, etc.) to drive product usage and engagement</li><li class="leading-relaxed">Multi-thread to any stakeholder you need to engage across Enablement, Sales, Marketing, Operations, Finance, IT, and others at all levels (ATL, OTL, and BTL) to accomplish your goals; in the event of key customer stakeholder turnover, you seek and build replacement relationships</li></ul><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">RESPONSIBILITY 2: Strategic Account Planning</li><li class="leading-relaxed">Collaborate with customers to develop a mutual value plan</li><li class="leading-relaxed">Analyze your portfolio, identify risks and opportunities, and prioritize for impact</li><li class="leading-relaxed">Collaborate with your Account Management partners in the event of renewal risk; project manage the plan to “get to green churn risk”</li><li class="leading-relaxed">You will be responsible for identifying expansion opportunities, which you will pass on to the Account Management team</li><li class="leading-relaxed">Partner internally with Deployment Consultants, Technical Account Managers, Support, and Professional Services to optimize customer implementations and resolve technical challenges</li></ul><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">RESPONSIBILITY 3: Value Realization</li><li class="leading-relaxed">Help customers realize the full value of the Highspot platform; the CSM should allow the Solution Owner and ATL to believe their company has achieved ROI from Highspot that they can quantify and explain</li><li class="leading-relaxed">Drive product adoption and ongoing usage of Highspot with a focus on making Highspot an essential platform for the customer while promoting customer satisfaction and advocacy</li><li class="leading-relaxed">Identify opportunities to sell add-on services in support of achieving customer goals</li><li class="leading-relaxed">Ensure execution of customer maturity and technical discussions via coordinating solutions internally across engineering, marketing, product, and support teams</li></ul><h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">Your Background</h3><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Proven ability to consult with customers at all levels of seniority to understand their business goals and to craft and deliver plans to exceed customer expectations for value</li><li class="leading-relaxed">2+ years owning complex enterprises and 5+ years in a customer facing role</li><li class="leading-relaxed">Excellent communication skills (verbal, written, presentations) and the ability to synthesize and summarize complex problems for an executive audience both internally and externally</li><li class="leading-relaxed">Strong collaboration skills to influence and gain alignment across internal and external stakeholders</li><li class="leading-relaxed">Ability to thrive in ambiguous situations and is excited to create structure and process as we go for our largest customers</li><li class="leading-relaxed">Prioritizes customer experience with a focus on customer satisfaction and retention. You strive to understand clients’ strategic business goals, deploy critical thinking in leading and executing your portfolio, anticipate future needs, and determine solutions.</li><li class="leading-relaxed">Believes profitable customer relationships are founded on respect and that growth and expansion come from cultivating relationships. You have shown the capacity to develop relationships and optimize enterprise customer accounts, you understand what it means to evangelize your product.</li><li class="leading-relaxed">Excited about the ways products can be used to accelerate business goals. You have a strong intuition for business and an admiration for driving software solutions.</li><li class="leading-relaxed">Loves to learn about sophisticated technical products and to understand the intricacies of how they work.</li><li class="leading-relaxed">A teammate with a high level of integrity and a desire to assist your team. You stay calm in the face of technical and/or customer challenges. You corral the right people to resolve and infect others with your can-do spirit.</li><li class="leading-relaxed">You have skills for digesting and effectively communicating technical concepts across audiences of varying technical abilities. You’re resourceful - you might not have all the answers, but you know how to find them.</li><li class="leading-relaxed">You have a strong background in project management, organizing complex customer engagements across multiple stakeholder groups.</li></ul>This position is available either in-office or remote, as applicable, at the following locations:<ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Arizona - Remote</li><li class="leading-relaxed">Arkansas - Remote</li><li class="leading-relaxed">California - Remote</li><li class="leading-relaxed">Connecticut - Remote</li><li class="leading-relaxed">Florida - Remote</li><li class="leading-relaxed">Georgia - Remote</li><li class="leading-relaxed">Idaho - Remote</li><li class="leading-relaxed">Illinois - Remote</li><li class="leading-relaxed">Maryland - Remote</li><li class="leading-relaxed">Massachusetts - Remote</li><li class="leading-relaxed">Michigan - Remote</li><li class="leading-relaxed">Minnesota - Remote</li><li class="leading-relaxed">Missouri - Remote</li><li class="leading-relaxed">Montana - Remote</li><li class="leading-relaxed">Nevada - Remote</li><li class="leading-relaxed">New Hampshire - Remote</li><li class="leading-relaxed">New Jersey - Remote</li><li class="leading-relaxed">New York - Remote</li><li class="leading-relaxed">North Carolina - Remote</li><li class="leading-relaxed">Ohio - Remote</li><li class="leading-relaxed">Oregon - Remote</li><li class="leading-relaxed">Pennsylvania - Remote</li><li class="leading-relaxed">South Carolina - Remote</li><li class="leading-relaxed">Tennessee - Remote</li><li class="leading-relaxed">Texas - Remote</li><li class="leading-relaxed">Utah - Remote</li><li class="leading-relaxed">Virginia - Remote</li><li class="leading-relaxed">Washington - Remote</li><li class="leading-relaxed">Washington - Seattle</li><li class="leading-relaxed">Washington, D.C. - Remote</li><li class="leading-relaxed">Wisconsin - Remote</li><li class="leading-relaxed">#BI-Remote</li></ul>Base salary range: $87,500 - $119,000. On Target Earnings (OTE) range: $125,000 - $170,000, 70.00% base/30.00% variable target OTE split. Employees are eligible to receive stock options and may also receive other forms of compensation.The above represents total expected compensation for this role. Actual compensation will depend on various job-related factors, including, but not limited to, location, experience, and job qualifications.Highspot also offers the following employee benefits for this position:-Comprehensive medical, dental, vision, disability, and life benefits-Health Savings Account (HSA) with employer contribution-401(k) Matching with immediate vesting on employer match-Flexible PTO-8 paid holidays and 5 paid days for Annual Holiday Week-Quarterly Recharge Fridays (paid days off for mental health recharge)-18 weeks paid parental leave-Access to Coaches and Therapists through Modern Health-2 volunteer days per year-Commuting benefits#LI-JB1Equal Opportunity StatementWe are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of age, ancestry, citizenship, color, ethnicity, family or medical care leave, gender identity or expression, genetic information, marital status, medical condition, national origin, physical or invisible disability status, political affiliation, veteran status, race, religion, or sexual orientation.Did you read the requirements as a checklist and not tick every box? Don't rule yourself out! If this role resonates with you, hit the ‘apply’ button.

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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.