IT Infrastructure Engineer

A pioneer of Consulting 4.0, Sia reinvents the consulting profession and brings an innovative perspective and tangible results to its clients. We have developed solutions based on Artificial Intelligence and design to increase the impact of our consulting engagements. Our global presence and expertise across more than 30 sectors and services enable us to support our clients worldwide. Through our "Consulting for Good" approach, we put our expertise at the service of our clients' CSR objectives and make sustainability a driver of performance. 

Reporting to the IT Manager and part of the IT Project & Cybersecurity team of 5 people, you will contribute to the quality of Sia's network infrastructure, security, and advanced-level support across our 45 offices in 19 countries, with a strong focus on the company's Meraki and UniFi network environment. 

Your key responsibilities include: 

• Design, deployment, and maintenance of the company's Meraki network infrastructure, including firewall administration. 

• Design, deployment, and maintenance of the company's UniFi network infrastructure: switches, access points (AP), and related equipment. 

• Installation and configuration of network equipment: access points, switches, firewalls, and low-voltage cabling. 

• Network configuration and setup for new and international office openings. 

• Administration of part of the Microsoft environment: Microsoft 365, Entra ID, Intune, and Azure. 

• Design, development, and execution of complex PowerShell/Python scripts and API integrations (e.g., Microsoft Graph API) to automate network and administration tasks. 

• Level 3 support on complex network and application issues (Wi-Fi connectivity, security, Intune, etc.). 

• Data migration via ShareGate / Microsoft Graph API scripting. 

• Writing and maintaining technical documentation and user guides. 

• Participation in IT integration as part of new company acquisitions. 

• Occasional international travel outside India, as required. 

• You have at least 3 to 5 years of hands-on experience in network infrastructure administration. 

• Proven, hands-on experience with Cisco Meraki and Ubiquiti UniFi network solutions is required. 

• You have solid networking knowledge: TCP/IP, VLAN, VPN, firewalls, Wi-Fi, and low-voltage cabling. 

• You have experience administering the Microsoft environment: Microsoft 365, Entra ID, Intune, and Azure. 

• You have strong scripting skills (PowerShell and/or Python) and experience with API integrations (e.g., Microsoft Graph API), applied to automation and administration. 

• You have a good understanding of cloud architectures and cybersecurity practices. 

• Fluent English, written and spoken, is mandatory to interact with international teams. 

• You are recognized for your interpersonal skills and your ability to interact with senior stakeholders (VIP support). 

• Your key strengths include prioritization, autonomy, rigor, and teamwork. 

• You are proactive, open-minded, and results-oriented. 

• You are willing to travel internationally outside India, as required. 

Start date: as soon as possible. 

Sia is an equal opportunity employer. All aspects of employment, including hiring, promotion, remuneration, or discipline, are based solely on performance, competence, conduct, or business needs.