Applications Engineer - Data Center Solutions

Posted:
10/27/2025, 1:26:25 PM

Location(s):
California, United States ⋅ San Carlos, California, United States

Experience Level(s):
Mid Level ⋅ Senior

Field(s):
Mechanical Engineering

Workplace Type:
Hybrid

 

 

CelLink’s ultra-thin, flexible interconnect technology is transforming the way next-generation data centers, EVs, and aerospace systems are built. As part of our engineering team, you’ll have the opportunity to directly influence how the world’s most advanced electronic systems are powered and connected. As an Applications Engineer at CelLink, you’ll be the bridge between cutting-edge customers and our advanced interconnect technologies, driving the design, integration, and deployment of power and signal delivery systems that make large-scale compute possible.

You’ll collaborate directly with hyperscalers, OEMs, and semiconductor leaders to translate complex requirements into manufacturable, high-performance solutions. This is a hands-on, cross-functional role blending mechanical and electrical design, systems integration, and customer engagement.

Essential Duties and Responsibilities  

  • Be the technical point of contact for customers and internal teams on CelLink’s advanced data center interconnect solutions.
  • Collaborate across the ecosystem, working with ASIC vendors, hyperscalers, OEMs, and contract manufacturers to validate mechanical and electrical integration.
  • Own design execution - create, modify, and optimize detailed 3D models and drawings in SolidWorks (or equivalent CAD tools) to translate customer requirements into manufacturable, high-performance products.
  • Support NPI and prototype development from concept through qualification and production launch.
  • Provide technical guidance during installation, integration, and troubleshooting both remotely and on-site.
  • Partner with R&D, Product Management, and Quality to ensure our solutions meet stringent performance and reliability standards.
  • Create high-impact documentation, including detailed drawings, BOMs, installation instructions, and design reports.
  • Deliver presentations and training that make complex technical concepts clear to customers and internal stakeholders.
  • Uphold CelLink’s culture of integrity, teamwork, and self-discipline in everything you do.

Minimum Qualifications (Education, Knowledge, Skills, and Abilities)

  • Bachelor’s or Master’s in Mechanical, Electrical, or related Engineering field.
  • 5–7 years of experience in applications engineering, product design, or a similar customer-facing technical role.
  • Proven ability to communicate technical details effectively to both engineering and business audiences.
  • Proficiency in SolidWorks and CAD-based design for manufacturing (DFM).
  • Strong understanding of power delivery and high-speed interconnect systems.
  • Familiarity with data center architectures, deployment models, and system integration.
  • Excellent project management and multitasking skills in a fast-paced, evolving technical environment.
  • Able to travel up to 20% to customer and vendor sites as needed.

Preferred Skills

  • Experience with thermal analysis, mechanical/electrical reliability testing, or signal integrity in high-density systems.
  • Background in interconnect or backplane design and understanding of copper-based scaling challenges.
  • Knowledge of AI hardware infrastructure and hyperscaler system requirements.
  • Six Sigma or DFM certifications are a plus.

Physical Demands and Work Environment

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this position. Reasonable accommodations may be made to enable individuals with disabilities to perform the functions.

Working Conditions/Hours

100% onsite

Salaried Exempt

 

Physical Demands – Office and Manufacturing Environment

While performing the duties of this position, the employee is regularly required to talk or hear. The employee frequently is required to use their hands or fingers, handle, or feel objects, tools or controls. The employee is required to stand; walk; sit; reach with hands and arms, and pull/push; climb or balance; and stoop, kneel, crouch, or crawl. The employee must lift and/or move up to 50 pounds without assistance. Specific vision abilities required by this position include close vision, distance vision, color vision, peripheral vision, and the ability to adjust focus.

Work Environment – 

Includes both a typical office environment, with minimal exposure to excessive noise or adverse environmental issues, and a shop environment, with exposure to high noise levels from operating machines, physical hazards from moving equipment and machine parts, nuisance dust, and skin exposure to chemicals used to run/maintain machines.

PPE-

May be required to wear Personal Protective Equipment, including but not limited to safety glasses, safety shoes, bump-caps, gloves, hair nets, masks, & clean-room frocks while adhering to the prescribed safety procedures.

 

The base pay is just one part of CelLink's total compensation package and is determined within a range. The pay range is designed to support your career progression as you learn, grow, and develop within your role. Your base pay range will depend on your skills, qualifications, experience, and location. 
At CelLink, we believe that each employee should have the opportunity to become a CelLink shareholder through participation in CelLink's discretionary employee stock option plan. You'll also receive comprehensive medical and dental coverage and other great benefits.
Note: CelLink benefits, compensation, and employee stock programs are subject to eligibility requirements.

San Carlos, CA Base Pay
$130,000$160,000 USD

We believe diversity and inclusion among our teammates are essential to our success. We celebrate diversity and are committed to creating an inclusive environment for all employees while building teams that represent a variety of backgrounds, perspectives, and skills. We are an equal opportunity employer. All employment is decided based on qualifications, merit, and business needs. CelLink participates in the E-Verify program in specific locations as required by law.

CelLink was founded in 2012 and entered volume production in 2018. CelLink provides electrical systems to the world's leading EV manufacturers, traditional automotive OEMs, and tiered suppliers. The company has raised approximately $315M in funding through private investment and multiple grants from the US Department of Energy. CelLink’s investors include 3M, Atreides, BMW, BorgWarner, Bosch, D1 Capital, Fidelity, Fontinalis Partners, Ford, Franklin Templeton, Lear, Park West, SK Telecom, Standard Investments, T. Rowe Price, Tinicum, and Whale Rock