System Administrator

System Administrator

Bedrijfsomschrijving

Join us at Orange Business!
We are a network and digital integrator that understands the entire value chain of the digital world, freeing our customers to focus on the strategic initiatives that shape their business.
Every day, you will collaborate with a team dedicated to providing consistent, sustainable global solutions, no matter where our customers operate. With over 30,000 employees across Asia, the Americas, Africa, and Europe, we offer a dynamic environment to develop and perfect your skills in a field filled with exciting challenges and opportunities.

System Administrator

Key Responsibilities

As a System Administrator, you will be responsible for ensuring the stability, security, and optimal performance of our customers’ IT infrastructures. Your main duties will include :

• Supporting systems and managing equipment/software by performing configuration, installation, and maintenance tasks for large and complex infrastructures.
• Troubleshooting incidents affecting operating systems, applications, hardware, storage, and backup systems in multi-tiered environments.
• Creating and maintaining up-to-date technical documentation and developing operating procedures or Technical Instructions (TIs) for IT systems.
• Preparing Requests for Change (RFCs) and detailed Operations Plans for major changes on customer infrastructure (INFRA).
• Implementing and maintaining proactive checks on customer INFRA to monitor capacity, performance, and potential issues.
• Initiating and following up on problem cases with Level 3 support teams or external vendors when necessary.
• Providing regular reports to management on the status, health, and performance of clients’ infrastructure.

Required Skills and Experience

Technical Skills

• Operating Systems
  • Strong experience with Windows Server (e.g., 2016/2019/2022) and/or Linux distributions (e.g., RHEL, CentOS, Ubuntu).
  • User and group management, file system management, patching and hardening.
• Virtualization & Cloud
  • Experience with virtualization platforms (e.g., VMware vSphere/ESXi, Hyper-V).
  • Familiarity with cloud environments (e.g., Azure, AWS, or Google Cloud) is a strong plus.
• Networking
  • Good understanding of TCP/IP, DNS, DHCP, VLANs, routing, and firewalls.
  • Ability to troubleshoot connectivity and performance issues across multi-tier environments.
• Storage & Backup
  • Experience with SAN/NAS solutions and storage provisioning.
  • Hands-on experience with backup tools and strategies (e.g., Veeam, Commvault, NetBackup, or equivalent).
• Monitoring & Automation
  • Experience with monitoring tools (e.g., Zabbix, Nagios, Prometheus, SCOM, or similar).
  • Ability to implement and fine-tune alerts, capacity monitoring, and performance dashboards.
  • Basic scripting skills (e.g., PowerShell, Bash, Python) for automation and routine tasks.
• Security & Compliance
  • Understanding of security best practices (patching, hardening, access control, logging).
  • Experience implementing and maintaining antivirus/EDR, vulnerability management, and security baselines.
• IT Service Management
  • Experience working with ITSM tools (e.g., ServiceNow, Jira, Remedy) in an ITIL-oriented environment.
  • Familiarity with incident, change, and problem management processes.

Soft Skills

• Analytical & Problem-Solving
  • Strong troubleshooting skills with a structured and methodical approach.
  • Ability to quickly identify root causes and propose pragmatic solutions.
• Communication
  • Clear and concise verbal and written communication, including technical documentation.
  • Ability to explain technical topics to non-technical stakeholders when needed.
• Teamwork & Collaboration
  • Comfortable working in a team environment with Level 1, Level 2, and Level 3 support, as well as vendors.
  • Willingness to share knowledge, document solutions, and support colleagues.
• Customer Orientation
  • Service-oriented mindset with a focus on reliability, availability, and meeting SLAs.
  • Ability to manage expectations and provide regular, structured updates to customers and management.
• Organization & Ownership
  • Strong sense of responsibility and ownership for assigned systems and tasks.
  • Ability to prioritize, manage multiple incidents/changes, and meet deadlines.

Education and Certification Requirements

• Education
  • Bachelor’s degree in Computer Science, Information Technology, Telecommunications, or a related field;
    or equivalent professional experience in a similar System Administrator role.
• Certifications (a plus, not all required)
  • Operating Systems / Infrastructure 
    • Microsoft: AZ-104 (Azure Administrator), MS-100/101, or legacy MCSA/MCSE.
    • Linux: RHCSA / RHCE, LPIC-1/2, or equivalent.
  • Virtualization / Cloud 
    • VMware VCP, Hyper-V-related certifications, or vendor-specific virtualization credentials.
    • AWS Certified SysOps Administrator, Azure Administrator, or equivalent cloud certification.
  • Networking & Security 
    • CompTIA Network+, Security+ or equivalent.
    • Cisco certifications (e.g., CCNA) are an advantage.
  • IT Service Management 
    • ITIL Foundation certification is an asset.

You bring rigor, passion for challenges, and determination. You seek the opportunity to expand your expertise, achieve your goals, and thrive.

• Global Opportunities: Work in multi-national teams with opportunity to collaborate with colleagues and customers from all over the world.
• Flexible Work Environment: Flexible working hours and possibility to combine work from office and home (hybrid ways of working).
• Professional Development: training programs and upskilling/re-skilling opportunities.
• Career Growth: Internal growth and mobility opportunities within Orange.
• Caring and Daring Culture: Health and well-being programs and benefits, diversity & inclusion initiatives, CSR and employee connect events.
• Reward Programs: Employee Referral Program, Change Maker Awards.

Regardless of your age, gender identity, race, ethnic origin, religion/belief, sexual orientation, marital status, neurotype, disability, veteran status or appearance, we encourage diversity within our teams because it is a strength for the collective and a vector of innovation. Orange Group is a disabled-friendly company and equal opportunity employer: don't hesitate to tell us about your specific needs.