Question 1

Does Mevion Medical Systems, Inc. sponsor green cards?

Accepted Answer

Yes. Mevion Medical Systems, Inc. has filed 3 PERM labor certification applications with the Department of Labor, with 3 certified. The median processing time from filing to decision has been 454 days.

Question 2

What is the current PERM processing time?

Accepted Answer

The DOL processing time from PERM filing to decision typically ranges from 6 to 18 months. This does not include the prevailing wage determination (1–6 months) or the recruitment period (2–3 months) that happen before filing. For Mevion Medical Systems, Inc., the median processing time from filing to decision has been 454 days. See the processing time chart above for year-over-year trends.

Question 3

How long does it take to get a green card through Mevion Medical Systems, Inc.?

Accepted Answer

The full employer-sponsored green card timeline depends on three stages: PERM labor certification (6–18 months), I-140 petition with USCIS (4–6 months, or 15 days with premium processing), and adjustment of status or consular processing. For applicants from countries with visa backlogs like India and China, the wait for a visa number after I-140 approval can add years. The total process from start to green card typically takes 1–5+ years.

Question 4

What triggers a PERM audit?

Accepted Answer

The DOL may audit a PERM application if certain risk factors are present: layoffs within 6 months of filing, the foreign worker having an ownership interest in the company, job requirements that exceed the norm for the occupation, foreign language requirements, or combination occupations. An audit requires additional documentation but does not mean the case will be denied.

Question 5

What is Mevion Medical Systems, Inc.'s PERM approval rate?

Accepted Answer

Mevion Medical Systems, Inc. has a 100% PERM approval rate across 3 total applications (3 certified, 0 denied, 0 withdrawn). The national average PERM approval rate is approximately 85%. Note that withdrawn cases are not counted in the approval rate calculation.

Year	Filings	Certified	Denied	Withdrawn	Median Processing Days
2024	2	2	0	0	488
2023	1	1	0	0	440

Job Title	Salary	Location	Filed	Decision	Days	Status
Test & Commission Engineer - Electrical and RF Systems G-100-24287-403358	$98,737	Littleton, MA	Oct 13, 2024	Mar 18, 2026	521	Certified
Sr. Quality Engineer and Quality Control Team Lead G-100-24173-136893	$116,121	Littleton, MA	Jun 21, 2024	Sep 18, 2025	454	Certified
Mechanical Manufacturing Engineer G-100-23243-311657	$127,566	Littleton, MA	Aug 31, 2023	Nov 13, 2024	440	Certified - Expired

Mevion Medical Systems, Inc. — Green Card PERM Data

Mevion Medical Systems, Inc. PERM & Green Card Filings

PERM Filings by Quarter

PERM Processing Time by Year

All PERM Filings

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