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Salary
$135k – $155k per year
Location
In office (Broomfield)
Seniority
Principal · 8+ years exp
Visa
No sponsorship (stated in the posting)
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 19, 2026. First seen by Alion on Aug 3, 2026. MKS scores A on the Alion truth index.

Overview
Company
Impact
Profile match

MKS

MKS Instruments is an American company founded in 1961 that makes the instruments, subsystems and process control equipment inside semiconductor manufacturing tools, which means it sells mainly to the equipment makers rather than to chip fabs directly. Its portfolio covers vacuum and pressure measurement, gas and liquid delivery, power supplies, lasers and photonics, and, since the Atotech acquisition, the chemistry used in advanced packaging and printed circuit board plating. Headquartered in Andover, Massachusetts and listed on Nasdaq, it carries substantial debt from that acquisition and is exposed to the semiconductor equipment cycle at one remove.

A Day in Your Life at MKS:

As a Principal Firmware Engineer at MKS's Indirect Pressure Measurement Group, you’ll be a key member of a talented cross-functional team, developing firmware that enables technologies that transform the world. In this role, you will report to the Senior Engineering Manager.

You Will Make an Impact By:

  • Analyzes, designs, programs, debugs and modifies software
  • Troubleshoots code for firmware (IC embedded code) applications
  • Work often involves analog and digital hardware and software operating systems
  • Position requires knowledge and exposure to hardware design
  • Typically, programs in machine language, assembly language and high-level languages (eg, C, C++)
  • Defining architectural design, implementation, verification and validation of firmware for embedded metrology products supporting semiconductor manufacturing and other advanced markets
  • Supporting the development and diagnostics of the hardware surrounding the processor
  • Working collaboratively with other software engineers and engineers/scientists of other disciplines to solve challenging problems.

Skills You Bring:

  • Requires a Bachelor of Science in Engineering degree and 8+ years of related experience
  • At this level, graduate coursework may be preferred
  • Experience in the development of embedded system architecture and algorithms.
  • Fluency with the C and C++ programming languages
  • Experience with using emulators, communication bus monitoring hardware/software, oscilloscopes, and similar tools to develop and debug products.

Preferred Skills:

  • Experience with EtherCat or comparable field buses.
  • Experience with Python or FreeRTOS.
  • Experience with the STM32 family of processors

Physical Demands and Working Conditions:

  • Must be able to remain in a stationary position for 50% of the time
  • Constantly operates a computer and other office productivity machinery
  • This job operates in a professional office environment

This position is onsite and must be within commutable distance to our location in Broomfield, CO. Relocation benefits are not available for this position.

We are interested in a qualified candidates eligible to work in the United States and will not be sponsoring work visas for this position, at this time.

MKS is an equal opportunity employer, including disability, veteran status and all categories protected by law. Please review our EOE statements for additional details. MKS is generally only hiring candidates who reside in states where we are registered to do business.

Compensation and Benefits:

  • Salary Pay Range: $135k - $155k per year. This range is a good faith estimate of the expected salary range for this position, based on a wide range of factors including 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, [6 weeks fully paid] parental leave, adoption assistance and tuition reimbursement [and for participation in any stock programs, signing bonus, etc.

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: [email protected].

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

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