[Staffing/Freelance] Network Security Engineer

(Staffing/Freelance) Network Security Engineer Join to apply for the (Staffing/Freelance) Network Security Engineer role at NTT DATA, Inc. Make an impact with NTT DATA. Join a company that is pushing the boundaries of what is possible. We are renowned for our technical excellence and leading innovations, and for making a difference to our clients and society. Our workplace embraces diversity and inclusion – it’s a place where you can grow, belong and thrive. We are seeking an experienced Network & Security Engineer to strengthen the team of our client. You will design, secure, and optimize network environments using Fortinet solutions and Cisco technologies at CCNP level. Your Mission Design, implement, and maintain secure network infrastructures Configure and manage Fortinet appliances (FortiGate, FortiWeb, FortiEDR) Administer and troubleshoot Cisco network equipment (routing, switching, VPN) Monitor network performance and proactively resolve issues Ensure compliance with security standards and best practices Act as escalation point for complex incidents and collaborate on projects Technical Environment Network: Cisco LAN/WAN, VPN, routing & switching Security: Fortinet suite (FortiGate, FortiWeb, FortiEDR) Protocols: TCP/IP, VLAN, BGP, OSPF Tools: Firewall management, IDS/IPS, VPN solutions Required Qualifications Education: Bachelor’s or Master’s in IT, Networking, or related field Certifications: Cisco CCNP (Routing & Switching or Enterprise) & Fortinet NSE4 (or higher) Experience: Minimum 5 years in network and security engineering Proven hands‑on experience with Cisco and Fortinet technologies Skills: Strong troubleshooting and problem‑solving abilities Knowledge of network security principles and best practices Languages: Fluent in French or Dutch & English Workplace type: Hybrid Working About NTT DATA NTT DATA is a $30+ billion business and technology services leader, serving 75% of the Fortune Global 100. We are committed to accelerating client success and positively impacting society through responsible innovation. We are one of the world’s leading AI and digital infrastructure providers, with unmatched capabilities in enterprise-scale AI, cloud, security, connectivity, data centers and application services. Our consulting and industry solutions help organizations and society move confidently and sustainably into the digital future. As a Global Top Employer, we have experts in more than 50 countries. We also offer clients access to a robust ecosystem of innovation centers as well as established and start‑up partners. NTT DATA is part of NTT Group, which invests over $3 billion each year in R&D. Equal Opportunity Employer NTT DATA is proud to be an Equal Opportunity Employer with a global culture that embraces diversity. We are committed to providing an environment free of unfair discrimination and harassment. We do not discriminate based on age, race, colour, gender, sexual orientation, religion, nationality, disability, pregnancy, marital status, veteran status, or any other protected category. Join our growing global team and accelerate your career with us. Apply today. Third parties fraudulently posing as NTT DATA recruiters NTT DATA recruiters will never ask job seekers or candidates for payment or banking information during the recruitment process, for any reason. Please remain vigilant of third parties who may attempt to impersonate NTT DATA recruiters—whether in writing or by phone—in order to deceptively obtain personal data or money from you. All email communications from an NTT DATA recruiter will come from a @nttdata.com email address. If you suspect any fraudulent activity, contact us. #J-18808-Ljbffr