Jobs at CERN

9 open positions at CERN — Not specified. Updated October 2026.

CERN currently has 9 open roles (on-site). Hiring locations include Geneva, Switzerland. Frequently requested skills include python, kubernetes, docker, helm, react.

Location: Not specified

Website: https://4dayweek.io

Open roles: 9

About CERN

4dayweek.io is a job board dedicated to helping job seekers find roles at companies that offer a 4-day work week, 9-day fortnights, flexible schedules, and other reduced-hours policies. The platform lists thousands of jobs across various categories and locations, and verifies each company's schedule policy before listing. It also offers an optional Auto Apply feature (JobCopilot) that automatically applies to matching roles on behalf of users. The site features a database of 1,600+ companies offering reduced-hours and flexible schedules, with 737 of them having a verified 4-day work week policy.

Open Roles at CERN

Full-Stack Software Developer (IT-CA-OSI-2026-207-GRAE)

hybrid Geneva, Switzerland

Posted: Aug 21, 2026
Full-Stack Software Developer

hybrid Geneva, Switzerland

Posted: Aug 19, 2026
Full-stack Software Engineer

hybrid Geneva, Switzerland

Posted: Aug 18, 2026
Full-Stack Software Engineer

hybrid Geneva, Switzerland

Posted: Aug 18, 2026
Software Developer - Beam Optics

hybrid Geneva, Switzerland

Posted: Aug 18, 2026
Software Engineer

hybrid Geneva, Switzerland

Posted: Aug 18, 2026
Database Infrastructure Engineer

hybrid Geneva, Switzerland

Posted: Aug 18, 2026
DevOps Engineer for Data Management

hybrid Geneva, Switzerland

Posted: Aug 18, 2026
Data Analyst for Beam Instrumentation (SY-BI-SW-2026-127-GRAP)

hybrid Geneva, Switzerland

Posted: Aug 18, 2026

What CERN Hires For

Browse CERN openings alongside similar roles at other companies:

Full Stack Developer Jobs (9) Backend Developer Jobs (8) DevOps / SRE Jobs (6) Frontend Developer Jobs (4) Data & ML Engineer Jobs (3)

Open Roles at CERN by Category

Full-Stack Software Developer (IT-CA-OSI-2026-207-GRAE) (1) Full-Stack Software Developer (1) Full-stack Software Engineer (1) Full-Stack Software Engineer (1) Software Developer - Beam Optics (1) Software Engineer (1)

CERN Jobs by Location

Geneva, Switzerland (9)

CERN Jobs by Type

hybrid (9)

Skills & Technologies at CERN

Based on the skills most frequently listed in current CERN job openings:

python kubernetes docker helm react oauth openid ai cpp machine-learning linux mysql

How to Apply for Jobs at CERN

All CERN openings listed above are aggregated from the company's official careers channels and updated October 2026. To apply, open any role that matches your profile and use the Apply Now button — it takes you directly to CERN's official application page, so your application always goes to the employer itself, with no middleman.

Before applying, tailor your CV to the specific role: mirror the job title, highlight the skills and technologies mentioned in the listing (for CERN, commonly python, kubernetes, docker, helm, react, oauth, openid, ai, cpp, machine-learning, linuxmysql), and quantify your impact where possible. You can also save interesting roles to your JobSeek account to track deadlines and compare offers side by side.