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MKS Inc.

Senior Sales Administrator

Irvine, CA

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hirly's read of this role

Seniority
Senior
Country
US
Work mode
On-site / unstated
First seen by hirly
3 Oct 2026

Derived automatically from the posting. Upload your resume above to see how the role scores against it.

the posting

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:

3+ 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 – 100,000.00 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.

Globally, our policy is to recruit individuals from wide and diverse backgrounds. However, certain positions require access to controlled goods and technologies subject to the International Traffic in Arms Regulations (ITAR) or Export Administration Regulations (EAR). Applicants for these positions may need to be “U.S. persons.” “U.S. persons” are generally defined as U.S. citizens, noncitizen nationals, lawful permanent residents (or, green card holders), individuals granted asylum, and individuals admitted as refugees.

MKS Inc. and its affiliates and subsidiaries (“MKS”) is an affirmative action and equal opportunity employer: diverse candidates are encouraged to apply. We win as a team and are committed to recruiting and hiring qualified applicants regardless of race, color, national origin, sex (including pregnancy and pregnancy-related conditions), religion, age, ancestry, physical or mental disability or handicap, marital status, membership in the uniformed services, veteran status, sexual orientation, gender identity or expression, genetic information, or any other category protected by applicable law. Hiring decisions are based on merit, qualifications and business needs. We conduct background checks and drug screens, in accordance with applicable law and company policies. MKS is generally only hiring candidates who reside in states where we are registered to do business.

MKS is committed to working with and providing reasonable accommodations to qualified individuals with disabilities. If you need a reasonable accommodation during the application or interview process due to a disability, please contact us at: accommodationsatMKS@mksinst.com .

If applying for a specific job, please include the requisition number (ex: RXXXX), the title and location of the role

Original posting on MKS Inc.'s site ↗

Listed on hirly, a job board. hirly is not the employer: MKS Inc. is hiring for this role.

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