29 certified Labor Condition Applications on file with the U.S. Department of Labor, FY2021–FY2025.
Since September 2025, DOL's Project Firewall opens H-1B investigations without waiting for a complaint. These checkpoints come from MKS Instruments, Inc.'s own public LCA filings (FY2023–FY2025) — the same records an investigator pulls first.
Each worksite needs its own 10-business-day LCA notice and a PAF record of that posting; a move to a new area of intended employment needs a new LCA before the worker starts there.
Level I is the entry-level prevailing-wage tier and the band DOL's Project Firewall reviews first for misclassification (senior duties filed at an entry-level wage). The national share is 17%.
Median offered wage is 6% above the DOL prevailing wage across 13 recent certified LCAs. Paying at the floor is lawful, but it invites the question of whether the wage level itself is right.
No additional recruitment or non-displacement attestations apply.
Public DOL disclosure data can lag actual filings by a quarter. Descriptive only — not legal advice.
Yes — MKS Instruments, Inc. sponsors H-1B workers, with 29 certified LCAs on file (FY2021–FY2025), including 2 in FY2025. The median certified salary is $95,000 (P25 $91,499, P75 $114,454). 100% of its certified filings meet or exceed the prevailing wage.
MKS Instruments, Inc. H-1B sponsorship at a glance, from public U.S. DOL LCA disclosure data (FY2021–FY2025).
Certified LCAs are a prerequisite to H-1B petitions, not visa approvals; one LCA can cover multiple workers. Descriptive only — not legal advice.
The shaded band is the middle half of certified salaries (P25–P75); the bar spans the lowest to highest certified salary.
Levels I–IV are DOL prevailing-wage experience tiers; 46% of filings are senior-level (III–IV).
| Fiscal year | Certified | Denied | Withdrawn | Total |
|---|---|---|---|---|
| FY2021 | 9 | 0 | 1 | 10 |
| FY2022 | 7 | 0 | 1 | 8 |
| FY2023 | 5 | 0 | 0 | 5 |
| FY2024 | 6 | 0 | 0 | 6 |
| FY2025 | 2 | 0 | 0 | 2 |
Case dispositions from the U.S. DOL OFLC disclosure files. Withdrawn are LCAs that were certified and later withdrawn by the employer; they still count toward Total.
| Job title | Salary | Level | Location | Filed | Status |
|---|---|---|---|---|---|
Principal Software Engineer I-200-25125-939405 | $153,608/yr | II | Milpitas, CA | May 05, 2025 | Certified |
Senior Global Materials Analyst I-200-25092-823771 | $97,136/yr | III | Andover, MA | Apr 02, 2025 | Certified |
Senior Electronic Engineer I-200-24199-201983 | $160,122/yr | III | Rochester, NY | Jul 17, 2024 | Certified |
Electronic Engineer I-200-24164-103913 | $86,275/yr | I | Rochester, NY | Jun 12, 2024 | Certified |
Senior Electronic Engineer I-200-24157-075926 | $116,694/yr | III | Rochester, NY | Jun 05, 2024 | Certified |
Electronic Engineer I-200-24156-070052 | $69,680/yr | I | Rochester, NY | Jun 04, 2024 | Certified |
P&EA Technical Support Engineer I-200-24057-748880 | $73,216/yr | I | Methuen, MA | Feb 26, 2024 | Certified |
Senior Test Engineer I-200-24054-744446 | $123,446/yr | — | Andover, MA | Feb 23, 2024 | Certified |
Inside Sales Engineer I-200-23258-351780 | $93,294/yr | I | Queens, NY | Sep 15, 2023 | Certified |
Inside Sales Engineer I-200-23258-351635 | $93,294/yr | I | Queens, NY | Sep 15, 2023 | Certified |
Inside Sales Engineer I-200-23219-243348 | $93,294/yr | I | New York, NY | Aug 07, 2023 | Certified |
Test Engineer I-200-23131-015410 | $85,000/yr | I | Wilmington, MA | May 11, 2023 | Certified |
Inside Sales Engineer I-200-23124-994713 | $102,669/yr | I | Santa Clara, CA | May 04, 2023 | Certified |
Principal Test Engineer I-200-22251-462142 | $131,171/yr | III | Methuen, MA | Sep 08, 2022 | Certified |
Global Materials Analyst I-200-22158-254246 | $95,000/yr | III | Andover, MA | Jun 07, 2022 | Certified |
Global Materials Analyst I-200-22154-242587 | $95,000/yr | III | Oxford, CT | Jun 03, 2022 | Withdrawn |
Senior Internal Auditor I-200-22153-238289 | $107,000/yr | IV | Andover, MA | Jun 02, 2022 | Certified |
Principal Software Engineer I-200-22133-170926 | $140,000/yr | II | Santa Clara, CA | May 13, 2022 | Certified |
Senior Marketing Manager I-200-22109-084191 | $148,965/yr | II | Irvine, CA | Apr 19, 2022 | Certified |
Sr. Manufacturing Engineer I-200-22091-031365 | $91,166/yr | II | Irvine, CA | Apr 01, 2022 | Certified |
Principal Web Developer I-200-21168-408047 | $110,000/yr | IV | Irvine, CA | Jun 17, 2021 | Certified |
Senior Electronic Engineer I-200-21167-401156 | $89,378/yr | III | Rochester, NY | Jun 15, 2021 | Certified |
Principal Test Engineer I-200-21166-396898 | $115,939/yr | III | Methuen, MA | Jun 14, 2021 | Certified |
Senior Internal Auditor I-200-21138-324279 | $104,978/yr | IV | Andover, MA | May 18, 2021 | Certified |
Electronic Engineer, Sustaining I-200-21069-134058 | $76,981/yr | II | Rochester, NY | Mar 09, 2021 | Certified |
Business Systems Analyst I-200-20308-897504 | $92,500/yr | — | Andover, MA | Nov 03, 2020 | Certified |
One row per LCA case (its latest version), from U.S. DOL OFLC disclosure data. Salaries are the offered wage, converted to a yearly figure. Certified LCAs are not visa approvals.
Worker positions by LCA filing purpose, summed across FY2021–FY2025 disclosure records.
Most active filing months: Jun and May — useful for timing transfer conversations.
Attestations from the employer's own LCA filings (Form ETA-9035), as disclosed by the U.S. DOL.
4 states · 10 cities
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