Demo

Senior Sales Administrator

MKS Inc.
Irvine, CA Full Time
POSTED ON 6/21/2026
AVAILABLE BEFORE 8/6/2026
A Day in Your Life at MKS:

As a Senior Sales Contract Administrator at MKS Instruments, Inc., you will be an integral member of the Photonics Solutions Division Sales organization, supporting key customer accounts and partnering closely with Sales, Operations, and Manufacturing teams. This role offers visibility across the business and potential for leadership growth. In this position, you will report to the Senior Manager, Sales Administration.

You Will Make an Impact By:

  • Maintaining new and existing customer orders, including expediting orders, preparing quotes, proactively contacting customers, setting up new customer accounts, and supporting Key Account Managers
  • Communicating weekly order changes, including pull-ins and pushouts, to operations and manufacturing teams
  • Partnering with assigned Account Managers to ensure purchase orders align with approved quotes and contractual terms
  • Maintaining and coordinating bookings while consistently keeping the planning team informed and up to date
  • Ensuring accuracy and compliance throughout the order-to-cash process
  • Supporting cross-functional collaboration to meet customer commitments and business objectives

Skills You Bring:

  • 5–8 years of experience in contract administration and/or customer service within a manufacturing environment
  • Proven ability to work effectively in a fast-paced environment where attention to detail and timely follow-up are critical
  • Strong interpersonal and communication skills, with the ability to interact with customers and internal stakeholders at all levels
  • Strong proficiency in Microsoft Office applications
  • Experience with SAP is highly preferred
  • Experience with Salesforce and Ariba is a plus

Physical Demands and Working Conditions:

  • Perform activities such as sitting, standing, or typing for extended periods of time
  • Regularly requires good manual dexterity and coordination
  • Must be able to communicate information and ideas so others will understand
  • Must be able to exchange accurate information
  • The ability to observe documents and details at close range (within a few feet of the observer)
  • Operates in a professional office environment
  • Constantly operates a computer and other office productivity machinery
  • Noise level in the work environment is usually average

Compensation and Benefits:

Total Base Pay Range: 75,175.00 – 105,275.00 USD Annual, based on qualifications, experience and training, operational and business needs, and other considerations permitted by law.

Bonus: This position is eligible for a discretionary annual bonus, in an amount to be determined by MKS (or as applicable).

Benefits: MKS offers a comprehensive benefits package, including health insurance coverage (medical, dental, and vision), 401(k) with company match, life and disability insurance, 12 paid holidays, sick time, 15 paid vacation days, parental leave, adoption assistance, and tuition reimbursement.

Salary.com Estimation for Senior Sales Administrator in Irvine, CA
$61,321 to $76,492
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