Last Updated Apr 2026
San Diego, CA
52 employees
Est. 2005
zefsci.com
Zef Scientific, Inc. — H-1B Visa Sponsorship Data
Zef Scientific, Inc. LCA & H1B Filings
Zef Scientific, Inc. H-1B sponsorship data, including all Labor Condition Applications (LCAs) filed for H-1B, E-3, and H-1B1 visa workers. Sourced from Department of Labor disclosure records. See approval rates, salary levels, and filing history below.
Sponsors H1Bs?
Yes
2025 LCA filings
12
Median H1B salary
$95,680
H1B Dependent?
No
Certified Filings by Quarter
Certified filings by quarter
| Year | Filings | Certified | Denied | Withdrawn |
|---|---|---|---|---|
| 2026 | 2 | 2 | 0 | 0 |
| 2025 | 12 | 12 | 0 | 0 |
| 2024 | 6 | 6 | 0 | 0 |
| 2023 | 13 | 13 | 0 | 0 |
| 2022 | 7 | 6 | 0 | 1 |
| 2021 | 3 | 3 | 0 | 0 |
| 2020 | 2 | 2 | 0 | 0 |
| 2019 | 10 | 10 | 0 | 0 |
| 2018 | 9 | 7 | 1 | 1 |
| 2017 | 9 | 9 | 0 | 0 |
All LCA Filings
73 total| Job Title | Salary | Location | Filed | Status |
|---|---|---|---|---|
Service Engineer I-200-26062-675116 | $108,160 | Cambridge, MA | Mar 2, 2026 | Certified |
Service Engineer I-200-26037-623890 | $108,160 | Woburn, MA | Feb 6, 2026 | Certified |
Service Engineer I-200-25337-455142 | $140,000 | Cambridge, MA | Dec 3, 2025 | Certified |
Service Engineer I-200-25327-431317 | $140,000 | Pittsburgh, PA | Nov 23, 2025 | Certified |
Service Engineer I-200-25316-402666 | $140,000 | Rockville, MD | Nov 12, 2025 | Certified |
Service Engineer I-200-25273-346272 | $100,610 | Philadelphia, PA | Sep 30, 2025 | Certified |
Service Engineer I-200-25202-187370 | $84,365 | Newark, DE | Jul 20, 2025 | Certified |
Service Engineer I-200-25168-104182 | $95,680 | San Diego, CA | Jun 17, 2025 | Certified |
Service Engineer I-200-25168-103038 | $110,000 | Cambridge, MA | Jun 17, 2025 | Certified |
Service Engineer I-200-25149-031580 | $98,500 | Newark, DE | May 29, 2025 | Certified |
Service Engineer I-200-25136-986619 | $160,000 | Kenilworth, NJ | May 16, 2025 | Certified |
Service Engineer I-200-25136-985806 | $160,000 | Frederick, MD | May 16, 2025 | Certified |
Senior Service Engineer I-200-25086-808402 | $125,765 | Princeton, NJ | Mar 27, 2025 | Certified |
Senior Service Engineer I-200-25086-808665 | $125,765 | Rocky Hill, CT | Mar 27, 2025 | Certified |
Electronics Engineer I-200-24288-404901 | $112,749 | San Diego, CA | Oct 14, 2024 | Certified |
Service Engineer I-200-24275-378257 | $80,288 | Indianapolis, IN | Oct 1, 2024 | Certified |
Service Engineer I-200-24216-242958 | $108,975 | Tulsa, OK | Aug 2, 2024 | Certified |
Service Engineer I-200-24214-239639 | $108,975 | Stillwell, KS | Aug 1, 2024 | Certified |
Service Engineer I-200-24155-066015 | $90,000 | Baltimore, MD | Jun 3, 2024 | Certified |
Service Engineer I-200-24154-060790 | $90,000 | Boston, MA | Jun 1, 2024 | Certified |
Service Engineer I-200-23331-524759 | $101,600 | Cambridge, MA | Nov 27, 2023 | Certified |
Service Engineer I-200-23255-339631 | $82,000 | Lake Forest, CA | Sep 12, 2023 | Certified |
Service Engineer I-200-23226-263039 | $82,000 | Lake Forest, CA | Aug 14, 2023 | Certified - Withdrawn |
Service Engineer I-200-23224-260149 | $145,600 | San Mateo, CA | Aug 12, 2023 | Certified |
Service Engineer I-200-23224-260140 | $145,600 | Emeryille, CA | Aug 11, 2023 | Certified |
Service Engineer I-200-23164-104654 | $105,000 | Boston, MA | Jun 13, 2023 | Certified |
Service Engineer I-200-23163-100237 | $98,000 | Newark, CA | Jun 12, 2023 | Certified |
Service Engineer I-200-23163-101592 | $76,357 | Indianapolis, IN | Jun 12, 2023 | Certified |
Service Engineer I-200-23159-089424 | $100,000 | Marlborough, MA | Jun 7, 2023 | Certified |
Service Engineer I-200-23153-074078 | $105,000 | Boston, MA | Jun 2, 2023 | Certified - Withdrawn |
Service Engineer I-200-23153-073907 | $76,357 | Indianapolis, IN | Jun 2, 2023 | Certified - Withdrawn |
Service Engineer I-200-23152-071368 | $98,000 | Newark, CA | Jun 1, 2023 | Certified - Withdrawn |
Senior Service Engineer I-200-23045-772792 | $94,000 | La Jolla, CA | Feb 14, 2023 | Certified |
Service Engineer I-200-22301-557407 | $85,821 | Baltimore, MD | Oct 28, 2022 | Certified |
Service Engineer I-200-22300-554566 | $85,821 | Boston, MA | Oct 27, 2022 | Certified |
Service Engineer I-200-22298-549497 | $84,718 | La Jolla, CA | Oct 25, 2022 | Certified |
Service Engineer I-200-22297-547700 | $84,718 | Davis, CA | Oct 24, 2022 | Certified |
Service Engineer I-200-22297-547638 | $84,718 | Davis, CA | Oct 24, 2022 | Withdrawn |
Service Engineer I-200-22280-517284 | $78,000 | Newark, DE | Oct 7, 2022 | Certified |
Service Engineer I-200-22277-510815 | $78,000 | Newark, DE | Oct 4, 2022 | Certified |
Service Engineer I-200-21095-198791 | $91,160 | Stilwell, KS | Apr 5, 2021 | Certified |
Inhouse Testing, Refurbishing Specialist I-200-21068-132244 | $68,765 | Lake Forest, CA | Mar 9, 2021 | Certified |
Service Manager I-200-21062-116914 | $134,164 | San Diego, CA | Mar 3, 2021 | Certified |
Senior Service Engineer I-200-20353-969589 | $110,000 | Emeryville, CA | Dec 18, 2020 | Certified |
Senior Service Engineer I-200-20287-877456 | $125,000 | South San Francisco, CA | Oct 13, 2020 | Certified |
SERVICE ENGINEER I-200-19211-766650 | $97,060 | San Diego, CA | Jul 30, 2019 | Certified |
ELECTRONICS ENGINEER I-200-19095-545694 | $98,874 | PLAINSBORO, NJ | Apr 5, 2019 | Certified |
SERVICE ENGINEER I-200-19079-673495 | $77,000 | Richmond, CA | Mar 20, 2019 | Certified |
ELECTRONICS ENGINEER I-200-19029-709887 | $98,264 | North Billerica, MA | Mar 20, 2019 | Certified |
SERVICE ENGINEER I-200-19078-496006 | $71,500 | Woburb, MA | Mar 19, 2019 | Certified |
SERVICE ENGINEER I-200-19073-090499 | $105,000 | Richmond, CA | Mar 14, 2019 | Certified |
SERVICE ENGINEER I-200-19073-743182 | $77,000 | Richmond, CA | Mar 14, 2019 | Certified |
SERVICE ENGINEER I-200-19072-527625 | $105,000 | Richmond, CA | Mar 13, 2019 | Certified |
SERVICE ENGINEER I-200-19072-576290 | $82,000 | Tyler, TX | Mar 13, 2019 | Certified |
ELECTRONICS ENGINEER I-200-19036-041833 | $100,005 | San Diego, CA | Feb 7, 2019 | Certified |
SERVICE ENGINEER I-200-18290-090958 | $78,000 | PLANINSBORO, NJ | Oct 17, 2018 | Certified |
ELECTRICAL ENGINEER I-200-18257-967804 | $100,005 | LAKE FOREST, CA | Oct 8, 2018 | Certified |
SERVICE ENGINEER I-200-18038-986678 | $72,000 | LAKE FOREST, CA | Mar 26, 2018 | Certified |
SERVICE ENGINEER I-200-18081-995820 | $77,000 | STILWELL, KS | Mar 22, 2018 | Certified |
SERVICE ENGINEER I-200-18075-859925 | $77,000 | STILWELL, KS | Mar 16, 2018 | Denied |
SERVICE ENGINEER I-200-18074-693833 | $86,000 | LAKE FOREST, CA | Mar 16, 2018 | Certified |
SERVICE ENGINEER I-200-18075-602868 | $52,000 | INDIANAPOLIS, IN | Mar 16, 2018 | Certified |
SERVICE ENGINEER I-200-18074-483048 | $75,000 | STILWELL, KS | Mar 16, 2018 | Withdrawn |
SERVICE ENGINEER I-200-18072-200651 | $74,000 | TYLER, TX | Mar 14, 2018 | Certified |
ELECTRICAL ENGINEER I-200-17276-966583 | $86,100 | LAKE FOREST, CA | Oct 3, 2017 | Certified |
ELECTRONICS ENGINEER I-200-17237-136188 | $119,226 | CAMBRIDGE, MA | Aug 25, 2017 | CERTIFIED |
SERVICE ENGINEER I-200-17075-615260 | $130,000 | FT. PAINE, AL | Mar 16, 2017 | CERTIFIED |
SERVICE ENGINEER I-200-17072-043861 | $78,000 | WOBURN, MA | Mar 13, 2017 | CERTIFIED |
SERVICE ENGINEER I-200-17072-391429 | $86,000 | MONROVIA, CA | Mar 13, 2017 | CERTIFIED |
ELECTRONICS ENGINEER I-200-17062-523900 | $119,226 | CAMBRIDGE, MA | Mar 10, 2017 | CERTIFIED |
SERVICE ENGINEER I-200-17069-784609 | $75,000 | DAVIE, FL | Mar 10, 2017 | CERTIFIED |
ELECTRICAL ENGINEER I-200-17062-365352 | $82,000 | LAKE FOREST, CA | Mar 3, 2017 | CERTIFIED |
ELECTRICAL ENGINEER I-200-17024-317193 | $78,000 | LAKE FOREST, CA | Jan 24, 2017 | CERTIFIED-WITHDRAWN |
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Frequently Asked Questions
Yes. Zef Scientific, Inc. has filed 73 H-1B Labor Condition Applications (LCAs) with the Department of Labor, covering 73 total positions across 13 states. The median salary for Zef Scientific, Inc.'s sponsored positions is $95,680.
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