Core Laboratories
64 open jobsGeneral information
Core Laboratories provides reservoir analysis for the oil and gas industry. It offers patented reservoir description and production enhancement services and products. The company is based in Houston, Texas, and works in more than 50 countries across 6 continents.
Core Laboratories was founded in 1936 in Houston. It is a public company traded on the NYSE under the ticker CLB. The company had 4,700 employees in 2018. That matters: being public and working in 50 or more countries means Core Laboratories is not tied to any one region's oil and gas cycle.
Currently, there's a total of 60 job openings at Core Laboratories. Over the last 30 days, 58 jobs were added and 50 were removed (job postings usually stay up ~14 days before being removed). Core Laboratories is an H-1B sponsor.1
Hiring activity
New jobs added per week2
View these weekly figures as a table
| Week beginning | New listings |
|---|---|
| July 20, 2026 | 0 |
| July 27, 2026 | 0 |
| August 3, 2026 | 26 |
| August 10, 2026 | 4 |
| August 17, 2026 | 14 |
| August 24, 2026 | 14 |
| August 31, 2026 | 5 |
| September 7, 2026 (in progress) | 8 |
Open jobs
64 open · updated todayPage 3 of 4, most recently added first · Download (CSV)3
Want to know which of these 64 jobs are worth your time? Upload your CV and we'll score how well you match each one before you apply. It's free.
Score your CV for free before you applyVisa sponsorship
Does Core Laboratories sponsor visas? Using USCIS data, we've collected the number of H-1Bs granted from 2021 to 2023 as well as the number of petitions they've requested so far this year. Core Laboratories is a likely employer for applicants who require sponsorship. Currently, they have 2 jobs certified for sponsorship in 2026, at a median pay of $105,350.4
Visa petitions approved each year (USCIS)4
| Fiscal year | Approved |
|---|---|
| FY2021 | 2 |
| FY2022 | 1 |
| FY2023 | 0 |
Based on public USCIS and Department of Labor records. Past filings do not guarantee future sponsorship. Browse all H1B sponsors →
Similar companies
Common questions
Is Core Laboratories hiring now?
Yes. There are 64 open jobs, with 41 added in the last 30 days. They close fast though, often within 16 days, so don't wait.
Does Core Laboratories sponsor H-1B visas?
Yes. Government records show 2 jobs certified for FY2026, at a median pay of $105,350.
Interview OS
Company pages built from daily checks of real hiring systems.
Notes & sources
- 1. Company description. Written by InterviewOS from Core Laboratories's public materials and press coverage; facts are checked against the sources below.
- 2. Weekly counts. A count is the number of listings the pipeline saw for the first time in that week. Weeks begin Monday; the onboarding week is excluded from the scale and every average.
- 3. Live counts. Deduplicated live listings observed daily on Core Laboratories's own hiring system; last check September 12, 2026. Stale and syndicated posts on aggregator sites are not counted.
- 4. Federal visa records. USCIS H1B Employer Data Hub and US Department of Labor LCA disclosure files, matched to this company by name.
Sources
corelab.com, checked daily
USCIS H-1B Employer Data Hub
US Department of Labor LCA disclosure files
About the data
Report a data issue with this page