Senior Cost Analyst
SiTime
Date: 2 hours ago
City: Remote
Contract type: Full time
Remote
About SiTime
SiTime is the fast-growing pioneer of Precision Timing, the critical heartbeat powering the AI revolution and next-generation cloud datacenters. While legacy quartz technology struggles under the extreme heat and workloads of massive AI compute clusters, SiTime’s silicon MEMS solutions ensure absolute synchronization, resilience, and scalability.
Our programmable semiconductor solutions eliminate timing bottlenecks between GPUs and accelerators, unlocking maximum cluster performance, smaller footprints, and superior power efficiency. Today, SiTime powers over 400 high-growth applications across AI datacenters, automated driving, humanoid robotics, and IoT. With more than 4 billion devices shipped, SiTime is redefining the timing industry to accelerate the future of artificial intelligence.
Our semiconductor MEMS programmable solutions offer a rich feature set that enables customers to differentiate their products with higher performance, smaller size, lower power, and better reliability. With more than 4 billion devices shipped, SiTime is changing the timing industry. For more information, visit: www.sitime.com.
Job Summary
SiTime is hiring a Senior Costing Analyst to help own product cost from wafer to finished good across our MEMS and CMOS timing portfolio. You will build and maintain a clean, structured quote database, and help with cost model building and lead deep-dive analysis of yield and unit cost variances for Finance, Operations and Engineering.
Automation is central to this role. You will replace manual spreadsheet roll-ups with repeatable, data-driven cost models, so the team spends its time on analysis rather than data wrangling.
Responsibilities
BOM and product costing
At SiTime, we believe great work deserves great rewards. We offer a comprehensive and highly competitive compensation package designed to attract top talent.
In addition to base salary, this role is eligible for a quarterly bonus tied to the achievement of innovation goals—reflecting our commitment to recognizing meaningful impact. We also offer equity grants, providing a meaningful opportunity to share in the company’s future growth and success.
SiTime is committed to providing equal employment opportunities to all employees and applicants. Employment decisions are based on qualifications, merit, and business needs. We do not discriminate on the basis of any characteristic protected by applicable law.
Learn More about SiTime: Review the Get to Know SiTime section of our career page to explore our culture, values, and what makes us unique.
SiTime is the fast-growing pioneer of Precision Timing, the critical heartbeat powering the AI revolution and next-generation cloud datacenters. While legacy quartz technology struggles under the extreme heat and workloads of massive AI compute clusters, SiTime’s silicon MEMS solutions ensure absolute synchronization, resilience, and scalability.
Our programmable semiconductor solutions eliminate timing bottlenecks between GPUs and accelerators, unlocking maximum cluster performance, smaller footprints, and superior power efficiency. Today, SiTime powers over 400 high-growth applications across AI datacenters, automated driving, humanoid robotics, and IoT. With more than 4 billion devices shipped, SiTime is redefining the timing industry to accelerate the future of artificial intelligence.
Our semiconductor MEMS programmable solutions offer a rich feature set that enables customers to differentiate their products with higher performance, smaller size, lower power, and better reliability. With more than 4 billion devices shipped, SiTime is changing the timing industry. For more information, visit: www.sitime.com.
Job Summary
SiTime is hiring a Senior Costing Analyst to help own product cost from wafer to finished good across our MEMS and CMOS timing portfolio. You will build and maintain a clean, structured quote database, and help with cost model building and lead deep-dive analysis of yield and unit cost variances for Finance, Operations and Engineering.
Automation is central to this role. You will replace manual spreadsheet roll-ups with repeatable, data-driven cost models, so the team spends its time on analysis rather than data wrangling.
Responsibilities
BOM and product costing
- Build and maintain multi-level BOMs for oscillators, resonators and clock ICs, covering MEMS and CMOS wafers, die bank, assembly, test, packaging and freight.
- Model die and unit cost from wafer price, gross die per wafer and yield at each stage (wafer sort, assembly, final test).
- Support annual standard cost setting and drive quarterly standard cost revisions with Operations and Supply Chain.
- Track foundry and OSAT pricing, quotes and contract terms, and flag changes before they reach standard cost.
- Build and maintain a single, structured quote and cost database with consistent part numbers, units and supplier names.
- Prepare clean cost inputs for quarterly standard cost updates and the annual plan.
- Automate quote intake, data cleanup and BOM cost roll-ups to replace manual copy-and-paste work.
- Build dashboards showing cost by product, supplier, package and quarter.
- Document data definitions and processes so the data stays reliable and audit-ready.
- Analyze PPV, yield, usage and manufacturing variances each month, and explain the drivers in plain terms.
- Perform deep dive on yield loss and unit cost trends with Operations and Engineering, and quantify margin impact.
- Support Accounting on inventory valuation, E&O reserves and capitalized variances at quarter close.
- It is not necessary to meet all job requirements to be a qualified candidate for the position.
- Bachelor’s degree in Accounting, Finance, Engineering or a related field.
- 2+ years in supply management, product costing or FP&A, including 2+ years at a semiconductor company.
- Hands-on experience building multi-level BOMs and standard costs in an ERP system (Oracle, SAP or NetSuite).
- Working knowledge of the semiconductor flow (wafer fab, sort, assembly, final test) and how yield drives unit cost.
- Communicates clearly and credibly, translating financial data into concise, business-relevant insights for leadership.
- Acts as a collaborative partner across Finance, Engineering and Operations.
- Shows strong ownership, attention to detail, and the ability to operate effectively across time zones and changing priorities.
- Continuously seeks opportunities to improve reporting quality, automation, and process efficiency.
At SiTime, we believe great work deserves great rewards. We offer a comprehensive and highly competitive compensation package designed to attract top talent.
In addition to base salary, this role is eligible for a quarterly bonus tied to the achievement of innovation goals—reflecting our commitment to recognizing meaningful impact. We also offer equity grants, providing a meaningful opportunity to share in the company’s future growth and success.
SiTime is committed to providing equal employment opportunities to all employees and applicants. Employment decisions are based on qualifications, merit, and business needs. We do not discriminate on the basis of any characteristic protected by applicable law.
Learn More about SiTime: Review the Get to Know SiTime section of our career page to explore our culture, values, and what makes us unique.
- Innovation on Top – Philosophies of Innovation with Rajesh Vashist
- Fabrication Knowledge – An Interview with Rajesh Vashist
- SiTime Corporation – YouTube
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