System Administrator (Linux, Windows)

Thales; France; Hybride; EUR 45 000 - 65 000; Plein temps

Résumé du poste

A leading global technology firm is seeking a skilled System Administrator in France. This role involves handling business requests, managing incidents, and ensuring system compliance. The ideal candidate will have at least 5 years of experience with Linux and Windows environments, familiarity with virtualization technologies, and a strong understanding of system architecture concepts. The position offers a hybrid work environment and various benefits to support a work-life balance.

Prestations

24 holiday days a year

Flexible working hours

Comprehensive compensation and benefits package

Hybrid Workplace

Training subscriptions

Qualifications

• Minimum 5 years of experience in system management in a production environment.
• Experience in managed services or service desk environments is a plus.
• AWS certification will be an added advantage.

Responsabilités

• Gather business requirements and translate them into technical specifications.
• Design system solutions tailored to business needs.
• Manage incidents and tickets through internal tools.

Connaissances

Linux/Windows environments

Virtualization technologies (VMware, Hyper-V)

Ticket management tools (JIRA, ServiceNow)

Monitoring and automation tools

System architecture concepts

Windows OS administration

Linux environments (RedHat/CentOS, Ubuntu)

Web servers (Apache, Nginx)

Databases (MySQL, MongoDB, Postgres)

Networking fundamentals

Description du poste

Location: Bucharest, Romania

Thales is a global technology leader trusted by governments, institutions, and enterprises to tackle their most demanding challenges. From quantum applications and artificial intelligence to cybersecurity and 6G innovation, our solutions empower critical decisions rooted in human intelligence. Operating at the forefront of defence and security, aerospace and space, cybersecurity and digital identity, we’re driven by a mission to build a future we can all trust.

In Romania, we are advancing innovation through software engineering, research and development, delivering solutions in key markets in which Thales Group operates. Our engineers design, develop and integrate solutions that impact global industries – from fully operational systems and subsystems for naval warfare and maritime security operations, to air traffic management systems, satellite-based solutions, tactical indoor simulations, identity and biometric technologies and more.

The System Administrator will be responsible for handling business requests, formalizing them technically, and monitoring project progress by following the changes performed by the team.

He/She will also manage system administration and incident during the handover period.

Responsibilities

• Gather business requirements and translate them into technical specifications.
• Design the system solutions tailored to business needs with the support of the architect
• Manage and track incidents and tickets through internal tools.
• Participate in the implementation of infrastructure projects.
• Perform performance analysis of production systems.
• Ensure systems comply with the group standards.
• Perform all the test and validation

Required Skills

• Expertise in Linux/Windows environments.
• Knowledge of virtualization technologies (VMware, Hyper‑V, etc.).
• Familiarity with ticket management tools (JIRA, ServiceNow, etc.).
• Proficiency in monitoring and automation tools.
• Strong understanding of system architecture concepts.
• Experience in platform administration, operating & maintaining Windows OSes,
  • Active Directory, DNS/DHCP, DFS, RDS
• Experience in VmWare integration and administration - optional
  • Troubleshooting basis, DRS, VROPS,
• Experience in of one or more system-level programming languages like Powershell,
• Installation, Configuration, Upgrading, Monitoring & Maintenance of Linux environments (RedHat/CentOS, Ubuntu, and others).
• Setup of networking, firewall, SSL, DNS and LAMP stack on Linux.
• Troubleshooting problems with the operating system, and the LAMP stack.
• Deploying, Configuring and maintaining Linux servers in AWS infrastructure (EC2, ELB, EFS, Route53, RDS)
• Configuring Scripting languages (PHP, Python, Node) for running web applications.
• Incident Management - responding to alerts & notifications, root cause analysis and reporting
• Sound networking fundamentals. Should have experience on performing network troubleshooting to isolate and diagnose common problems.
• Experience with web servers (Apache, Nginx), databases (MySQL, Mongo Db, Postgres).

Experience

• Minimum 5 years of experience in system management in a production environment.
• Experience in managed services or service desk environments is a plus.
• Working knowledge of WSUS, WPP,
• Working knowledge of McAfee, Kaspersky, ePolicy Orchestrator,
• Working knowledge of CITRIX, HorizonView, PowerCLI
• Agile methodology, practice of ITIL standards
• Has experiences working with virtualized or containerized environments (Docker),
• Has experiences working with Unix/Linux OSes.
• Target : experience in L2/L3 support on large information systems.
• Ability to understand, implement design considerations such as scalability, performance, redundancy, backup and automation. • AWS certification will be an added advantage. • Understanding of AWS, DevOps, Git, CI/CD.

Behavioural skills

• Ability to work with different departments on the projects assigned.
• Proactive and self-motivated. Ability to independently look for solutions.
• Ability to work under tight deadlines and flexible hours.
• Advanced English knowledge, a conversational level in French would be appreciated.
• Sense of responsibility and customer-oriented attitude
• Has a continuous learning mindset and learning of new paradigms, techniques & practices in build-test-release cycles and software automation.
• Understand the necessity of stability in the infrastructures.
• Be autonomous and proactive on your tasks.
• Teamwork and knowledge sharing.

Your career at Thales

Future opportunities will allow you to discover other domains or sites. You will be able to evolve and grow your competences in different areas:

• Room and attention to personal development.
• Build your talents in another domain of Thales Group, discovering new products, new customers, new country or go to a more complex Solution
• Choose between a technical expertise or a leadership path.
• Build an international career within a leading Engineering Group.
• Work for different Thales domains & entities.

Your immediate benefits

• 24 holiday days a year
• Benefit Online
• A good work-life balance which includes flexible working hours
• A comprehensive compensation and benefit package including medical coverage & life insurance
• Hybrid Workplace
• GoFluent & Coursera Subscription
• Engineering, Technology & Management Academies

At Thales, we’re committed to fostering a workplace where respect, trust, collaboration, and passion drive everything we do. Here, you’ll feel empowered to bring your best self, thrive in a supportive culture, and love the work you do. Join us, and be part of a team reimagining technology to create solutions that truly make a difference – for a safer, greener, and more inclusive world.