Europe Arbeitnow ·
full-timeAdministrateur Systèmes & Réseaux H/F
Alta Ares · Paris
About Alta Ares Alta Ares is an air defense Neoprime. We build AI-guided interceptors to counter drones and cruise missiles, along with the software platform that powers them. Our customers are NATO-aligned militaries and defense institutions, and our systems are regularly deployed during live exercises and operational demonstrations across Europe, the Middle East, and Asia. Founded in 2024, we have grown to 90 people, raised over $60M, and increased revenue 40× this year. We are now entering a new phase of international expansion, industrial scaling, fundraising, and product development. Role & Mission Administer and evolve Alta Ares' IT infrastructure across Windows, macOS and Linux environments, including cloud services (GCP, Scaleway). Maintain and secure enterprise networks, including LAN/Wi-Fi, VLANs, VPNs, DNS/DHCP, firewalls, network segmentation and 802.1X/NAC. Manage identity and access systems, including RBAC, MFA, SSO, conditional access, and Zero Trust principles. Administer endpoint and mobile device management solutions, including MDM/MAM/RMM, NinjaOne and Apple Business Manager. Operate and improve cybersecurity tools, including EDR/XDR, vulnerability management, log monitoring and incident response. Ensure backup reliability, conduct restoration tests and contribute to business continuity and disaster recovery planning. Monitor infrastructure performance, troubleshoot complex incidents and coordinate external IT service providers. Automate recurring IT operations using PowerShell, Bash and APIs, while maintaining clear and up-to-date technical documentation. Collaborate with the IT Support Engineer and technical teams to strengthen IT operations, security and infrastructure scalability. Candidate Profile 3 to 5 years of experience in systems and network administration, ideally in a growing or technically demanding environment. Strong knowledge of Windows, Linux and macOS systems, TCP/IP networking, cloud infrastructure and enterprise network environments. Experience with IAM, endpoint management, cybersecurity tools and infrastructure monitoring. Familiarity with Google Workspace and/or Microsoft 365, EDR/XDR solutions and IT automation. Proficiency in scripting with PowerShell, Bash or APIs to automate operational tasks. Autonomous, rigorous and methodical, with strong troubleshooting skills and a security-first mindset. Ability to take ownership of infrastructure projects and contribute to the structuring and continuous improvement of IT operations. Degree in IT, systems and networks (Bac+2 to Bac+5) or equivalent practical experience. Find more English Speaking Jobs in France on Arbeitnow
| Role | Administrateur Systèmes & Réseaux H/F |
|---|---|
| Company | Alta Ares |
| Location | Paris |
| Type | full-time |
| Compensation | Not disclosed |
| Deadline | Rolling |
Typical process for this type of role
A general guide — the exact steps for this specific listing may vary; check the original posting for details.
- 1ApplicationSubmit your resume through the apply link.
- 2ScreeningRecruiter reviews your background against the role.
- 3AssessmentA technical test, assignment, or coding round, depending on the role.
- 4Interview(s)One or more rounds with the hiring team.
- 5OfferOffer letter with compensation and start date.
Before you apply
0/4More at Alta Ares
Other jobs at Alta Ares
- Bid & Project Manager – EU & NATO (H/F) · Paris
- Industrial Designer · Paris
- Talent Acquisition Specialist (hardware) H/F · Paris
- Avionics Electronics Engineer · Toulouse
- MCO Manager H/F · Toulouse
Explore Related Placements
// similar opportunities
You might also like
Administrateur Systèmes Et Réseaux F/H
Mismo
Entreprise familiale depuis plus de 30 ans, Mismo accompagne les PME et ETI dans leur transformation numérique avec des solutions sur-mesure : maintenance infor...
Ingénieur Systèmes & Réseaux
Anetsys
Présentation de l’entreprise Enracinée dans la région de la Marne depuis sa fondation en 2019, ANETSYS incarne une entreprise dynamique du secteur informatique,...
Ingénieur Système Et Réseaux Senior H/f
Is@talent
À propos de mon client : Une entreprise française de prestige, basée à Paris, qui incarne pleinement des valeurs fortes : Indépendance, Ouverture d’esprit, et u...
Administrateur De Systèmes Applicatifs EDI H/F
MV Consulting
Dans un contexte de croissance de l’activité EDI et de remplacement, nous recherchons un(e) Administrateur de systèmes applicatifs EDI F/H pour participer à la ...
IT Administrator - AI & Cybersecurity
Voodoo
About Voodoo Founded in 2013, Voodoo is a tech company that creates mobile games and apps with a mission to entertain the world. Gathering 800 employees, 7 bill...
Technicien Réseaux & Télécom Itinérant (H/F)
Azurreo
Poste : Technicien (position 2.1, coefficient 275, convention collective Syntec) · Basé en France · Interventions sur notre infrastructure, partout en France et...