Spécialiste des applications IT (H/F)

A Swiss company created in 2017 by the leadership team of Solar Impulse, André Borschberg, Sebastien Demont, and Gregory Blatt, H55 has accumulated design, development, certification and electric flight experience. Its proven track record in developing electric propulsion, battery packs and battery systems comes from having worked on and flown 2 Solar Impulse airplanes, the Twister Aero1 acrobatic aircraft, and the Bristell Energic.

At H55, you will work with a very forward-looking team who are changing the paradigms of air transportation. H55 is composed of highly skilled and talented engineers, entrepreneurs and managers, all like-minded professionals who understand how to how technological innovation can make air transportation cleaner, safer and affordable.

About the Role

We are looking for an IT Application Specialist with a strong foundation in system administration. As part of the IT team, you will be the go-to person for keeping our business applications and web services running smoothly, from day-to-day operations to full software lifecycle ownership across the organisation.

You will ensure service continuity, manage user access, support end-users, and contribute to IT projects. Your ability to document what you build and maintain will be as valued as your technical skills.

Main Responsibilities

Application & Web Services Management

Deploy and maintain on-premise and cloud/SaaS applications, including ERP systems. Own the full software lifecycle: installation, configuration, updates, patching, and decommissioning. Manage API integrations, reverse proxy configurations (Nginx/Apache), and SSL certificates.

Database Administration

Manage SQL databases (MySQL, PostgreSQL, MSSQL), including backups, access rights, and day-to-day queries. This is not a dedicated DBA role, but confidence maintaining and querying databases is expected.

Identity & Access Management

Manage user identities and permissions through Active Directory, Azure AD/Entra ID, LDAP, and SSO. Enforce RBAC policies, manage groups, and conduct access reviews and audits.

Data Handling & Reporting

Handle data exports, basic ETL tasks, and reporting needs using Power BI or equivalent tools to support business operations.

User Support

Provide support for users and business applications. Manage tickets and requests through tools such as GLPI or Odoo.

Security & Monitoring

Monitor services, respond to incidents, apply security patches, and track vulnerabilities across the environment.

Documentation

Maintain up-to-date technical documentation, procedures, application catalogues (licences, versions, dependencies), and asset inventories.

Your Profile

Education & Experience

• CFC, Bachelor's degree in IT, or equivalent qualification
• 3+ years of experience in a similar role
• Relevant certifications are a plus, including:
  • ITIL
  • Microsoft AZ-104
  • Linux LPIC-1

Technical Skills

• Experience deploying and maintaining on-premise and SaaS applications throughout their lifecycle
• Working knowledge of SQL databases, including backups, rights management, and basic queries
• Familiarity with identity management technologies such as Active Directory, Azure AD/Entra ID, LDAP, and SSO
• Ability to handle data exports, ETL processes, and reporting tasks
• Experience with Odoo or similar ERP/business applications is an asset
• Working knowledge of Linux and Windows Server environments, including installation, configuration, and troubleshooting
• Understanding of web services infrastructure, including reverse proxies, SSL certificates, and API integrations

How You Work

• Comfortable finding answers independently, reading technical documentation, and learning new technologies as the environment evolves
• Service-oriented, with clear communication toward non-technical users
• Strong documentation discipline: knowledge should remain documented and traceable within systems and procedures
• Able to manage priorities and handle multiple workstreams within a small team environment
• Structured, reliable, and attentive to operational detail

This role has a direct impact on how the company operates and scales. You will work closely with teams across the organisation and contribute to building a reliable, secure, and scalable IT environment that supports H55's growth.

We are building a team with a range of backgrounds and perspectives, and we value people who bring different ways of thinking and working. If this role interests you but you do not meet every requirement, we encourage you to apply.

Ready to help make electric aviation a certified reality? Let's talk.

*H55 is committed to building an inclusive workplace and welcomes applications from all qualified individuals regardless of nationality, gender, disability, religion, sexual orientation, or age. Employment decisions are based on skills, experience, and business needs.

We are committed to providing an inclusive recruitment process. If you require any accommodations during the application or interview process, please let us know.

By applying for this position, you agree that your personal data will be processed for recruitment purposes in accordance with applicable data protection laws. Your data will be handled confidentially and retained only as long as necessary for the recruitment process.*