Lumenous Device Technologies is at the forefront of medical device manufacturing for ultraprecision medical components such as stents, hypotubes, and a wide variety of components for minimally invasive medical devices. Are you interested in having a fulfilling, successful career supporting quality in a company where every part matters and makes a difference in the world? You can at Lumenous.

Locations, Customers and Quality

We are located in Sunnyvale, CA and Jiangyin (Jiangsu), China. Our facilities are equipped with laser micromachining centers, chemical and electrochemical processes, heat treatment processes and a variety of other capabilities to serve prototyping and volume manufacturing needs. Lumenous has customers in the U.S, Asia and Europe. Lumenous’ quality system is registered to ISO 9001 and ISO 13485 standards.

What makes us unique

Lumenous Device Technologies is a unique working environment for several reasons.

  • Excellence: Our customers say that are we are the very best partner in laser cutting and precision finishing (see below).
  • Innovation: We put significant emphasis on process development. We support our customers in the product development stage, helping them to innovate on their designs. We often have ideas that end up incorporated in the final device; our expert engineers are involved from the beginning of a project adding value at each step. This fills our days with many engineering challenges from concept-to-conclusion.
  • Quality: We use a matrix of groundbreaking processes that ensure reliability and consistency of production; our mature quality system is ISO9001- and ISO13485- registered.
  • Expertise: We are experts in high-performance alloys like nickel titanium, super alloys (e.g. cobalt chrome, L605, MP35N and Elgiloy) and confidential new materials. Our stainless steel technologies are also unique in performance and cost.
  • Reliability: We have two separate production sites with identical processes, procedures, and training which ensures security of supply.
  • Experience: After working with 150 customers we have deep understanding of our customer’s applications; it doesn’t take long for us to be at full speed.
  • Trust: customers choose us when they don’t want to worry about receiving excellence in engineering, service, and precision cut and finished parts



Purpose: The General Ledger Cost Accountant Manager is responsible for all areas relating to financial reporting. This position will be responsible for developing and maintaining accounting principles, practices, and procedures to ensure accurate and timely financial statements. The General Ledger Accountant supervises routine accounting duties and is responsible for ensuring that work is properly allocated and completed in a timely and accurate manner. This position addresses tight deadlines and a multitude of accounting activities including general ledger preparation, financial reporting, year end audit preparation and the support of budget and forecast activities. The General Ledger Accountant will have contact with senior-level management team members and tax accountants for planning and preparation of returns.  This requires strong interpersonal communication skills both written and verbal.

Responsibilities & Duties

  • Firm foundation is manufacturing cost accounting and general ledger, sales tax accounting, returns and payments.
  • Obtain and maintain a thorough understanding of the financial reporting and general ledger structure.
  • Ensure an accurate and timely monthly, quarterly and year end close.
  • Ensure the timely reporting of all monthly financial information.
  • Assist staff with in the daily banking requirements.
  • Ensure the accurate and timely processing of positive pay transactions.
  • Ensure the monthly and quarterly Bank Compliance activities are performed in a timely and accurate manner.
  • Supports budget and forecasting activities.
  • Collaborates with the other department managers to support overall goals and objectives.
  • Monitors and analyzes department work to develop more efficient procedures and use of resources while maintaining a high level of accuracy.
  • Advises staff regarding the handling of non-routine reporting transactions.
  • Responds to inquiries from the President, and managers regarding financial results, special reporting requests and the like.
  • Work with the staff to ensure a clean and timely year end audit.
  • Manage general ledger accounting to ensure all financial reporting deadlines are met.
  • Assist in development and implementation of new procedures and features to enhance the workflow of the department.
  • Provide training to new and existing staff as needed.
  • Support Controller with special projects and workflow process improvements.

Minimum Requirements

BA/BS in Business with an emphasis in Accounting, CPA preferred

Technical Skills and Prior Experience

  • Five to seven years prior experience in cost accounting financial reporting/general ledger area. Experience working in a manufacturing firm or professional services firm is preferred.
  • Must be PC proficient and able to thrive in a fast-paced setting. Experience with Epicor, SAP, J.D. Edwards or other automated accounting system a plus. Must have strong experience with Microsoft Excel, Access and Word.
  • Ten key by touch desired.
  • Strong verbal and written communication skills.
  • Strong interpersonal, supervisory and customer service skills required.
  • Ability to multi-task, work under pressure and meet deadlines required.

The marginal functions of this position have not been included. This job description in no way implies that these are the only duties to be performed. An employee will be required to follow any other job-related duties required by the manager.

Applications Engineer for Medical Components

Engineering at Lumenous is hands-on, fast-paced, and involves figuring out new techniques for making intricate, amazing medical components that save lives and improve the quality of life for patients.

In the medical industry, the product development lifecycle is necessarily very long. At Lumenous, things are inherently a bit different. We enjoy the unique satisfaction of serving medical goals in a hands-on environment where real engineering problems get solved on a daily basis. The pace of projects at Lumenous is quick, and the work is energizing. More information about the position is below.

The position includes applications engineering of new parts, identifying and carrying out improvements to existing parts, identifying resource constraints; troubleshooting process and equipment issues; testing new processes.

Responsibilities include:

  • Executing and supporting all production processes (laser-cutting, heat treatments, mechanical and chemical processing, and electropolishing)
  • Identifying manufacturing steps for new parts
  • CAD/CAM programming.
  • Tooling and fixturing design.


  • B.S. or M.S. in Engineering (Mechanical, Manufacturing, Chemical, Mechatronic) or equivalent
  • Experience or education relevant to manufacturing
  • Analytical skills related to manufacturing processes
  • CAD experience.


  • CAD/CAM experience
  • Experience with ISO9001 or ISO13485
  • Precision manufacturing experience
  • Laser experience
  • Chemical handling experience

Production Technician - equivalent job descriptions may be Manufacturing or R&D Technician, Operator/Assembler

Position Title: Process Technician (Laser-processing emphasis)
Perform setup and production operations for prototype and manufacturing builds.


  • Chemical cleaning
  • Electrochemical processes including electropolishing
  • Mechanical processing including abrasive blasting
  • Forming
  • Heat-treatment
  • QA (all production technicians perform QA/QC inspector duties – at least occasionally, often regularly)

Follow engineering drawings and work instructions to ensure product specifications and tolerances are met. Perform a variety of tasks.

  • Works on assignments requiring a certain degree of judgment and initiative.
  • Understands implications of work and makes recommendations for solutions.
  • Contribute to methods and procedures on new assignments.Requirements:
  • Communication skills.
  • Interpret engineering drawings.
  • Knowledge of safety, quality, and technical concepts.
  • Teamwork in a variety-rich environment.
  • High school diploma and transcript, higher education a valued plus.
  • Experience in manufacturing or equivalent.

Please send resumes to opportunity@lumenous.com