Collaboration Services Manager (IT-CA-GESLD)

Introduction

Help shape how CERN communicates. As Collaboration Services Manager in the Groupware and Engineering Services (GES) section of the Collaborative Applications (CA) group you will lead the operation and evolution of CERNs email and groupware platform (based on Microsoft Exchange and Exchange Online technologies)the backbone of collaboration for thousands of users for experiments and partners. Youll ensure that email delivery is reliable secure and compliant that calendaring and collaboration features just work and that CERNs services and applications can send messages safely and at scale. You will also contribute to the other collaboration services in the section.

Functions

• Oversee the smooth operation of the Microsoft Exchange on-premises and Exchange Online based services including maintenance routines and integration with the broader CERN IT environment.
• Monitor service performance reliability and quality ensuring adherence to SLAs and compliance with relevant CERN policies data protection and records retention/archiving.
• Investigate and troubleshoot operational issues and performance problems engaging with user communities IT service managers and other stakeholders as needed.
• Configure maintain and evolve CERNs email routing according to service and user requirements; Oversee CERN email authentication and reputation (SPF DKIM DMARC).
• In close collaboration with the CERN Security Team ensure that spam and malware filtering solutions are properly integrated and configured.
• Develop and maintain integrations with on-premises and cloud systems (Python C#).
• Provide user support drive continuous improvement and adapt the service in line with evolving needs; Curate knowledge bases FAQs and service documentation web sites; deliver targeted communications when necessary.
• As appropriate participate in the various activities (including support rota) for other services managed by the section.

Qualifications :

Masters degree or equivalent relevant experience in the field of Computer Science or a related field.

Experience:

• Proven experience in deploying and operating an email and groupware platform (>10k users) ideally Microsoft Exchange/Exchange Online in hybrid configurations.
• Extensive knowledge of communication technologies and protocols especially those related to email (Microsoft Exchange Online architecture Exchange protocols and integrations with Active Directory / Entra ID SMTP POP IMAP email routing routing connectors mailing lists mailbox storage).
• Experience engaging with users and stakeholders of large-scale IT services.
• Strong background in addressing scalability security and reliability challenges in service configuration and delivery.
• Solid understanding of ICT security standards and best practices particularly in the email domain (DKIM DMARC SPF anti-spam and anti-malware techniques anti-phishing measures encryption service hardening).
• Experience managing email authentication and reputation ensuring high deliverability and minimising false positives/negatives.
• Experience in the architecture and design of complex resilient ICT systems including redundancy and storage architectures.
• DevOps skills (CI/CD Gitlab containerisation).
• Experience in configuration management systems (Puppet Ansible).
• Knowledge of database and/or dataanalytics technologies especially SQL and the ELK stack is a plus.
   

Technical competencies:

• Knowledge of communication technologies and protocols especially those related to email (SMTP POP IMAP email routing mailing lists mailbox storage).
• Knowledge of best practices for implementing ICT security standards and policies especially in the email domain (DKIM DMARK SPF anti-spam anti-malware anti-phishing encryption service hardening).
• Administration of computing systems especially in the field of email (Microsoft Exchange Exchange Online other email platforms) and directory services (Active Directory Entra ID).
• Architecture and design of ICT systems including redundancy and storage systems.
• Knowledge of programming techniques and languages for scripting and service management and automation (Powershell Python and C#).

Behavioural competencies:

• Achieving results.
• Solving problems.
• Managing self.
• Communicating effectively.
• Working in teams.

Language skills:

Spoken and written English with a commitment to learn French.

Additional Information :

Eligibility and closing date:

Diversity has been an integral part of CERNs mission since its foundation and is an established value of the Organisation. Employing a diverse workforce is central to our success. We welcome applications from all Member States and Associate Member States.

This vacancy will be filled as soon as possible and applications should normally reach us no later than 07.05.2026 at 23:59 CEST.

Employment Conditions

Contract type: Limited duration contract (5 years). Subject to certain conditions holders of limited-duration contracts may apply for an indefinite position.

Working Hours: 40 hours per week

Job Flexibility: Hybrid

This position involves:

• Work during nights Sundays and official holidays when required by the needs of the Organisation.

Job grade: 6-7

Job reference: IT-CA-GESLD

Field of work: Software Engineering and IT

Benchmark Job Title: Computing Engineer

Global Benefits

• A competitive salary (tax free) increasing in line with your years of relevant experience.
• 30 days of paid leave per year plus 2 weeks annual closure.
• Coverage by CERNs comprehensive health insurance scheme (for yourself your spouse and children) and membership of the CERN Pension Fund.
• Family child and infant monthly allowances depending on your individual circumstances.
• A relocation package (installation grant removal travel expenses) depending on your individual circumstances.
• Possibility to extend your contract up to 8 years eligibility for indefinite contract tenure.

Overview of CERN - Discover a world where the impossible is made possible!

At CERN the European Organization for Nuclear Research we are pushing the frontiers of science and technology. Our groundbreaking work brings together not only physicists but also a diverse range of professionals from engineering technical scientific and administrative fields. Together we foster an environment where innovation and collaboration thrive.

Every day we face exciting new challenges and opportunities to contribute to cutting-edge research that shapes our understanding of the universe. We meet these challenges through the diverse perspectives within our teams ensuring every contribution is valued and driving our shared sense of inclusion and purpose. Diversity is a core value of CERN since its foundation and it remains central to our mission and continued success.

If you are ready to be part of a dynamic inclusive community pushing the boundaries of knowledge CERN is the place where your curiosity and skills can thrive. Be part of our mission to uncover what lies at the heart of the universe! TAKE PART!

More information about us here:

Remote Work :

No

Employment Type :

Contract