Senior Network Engineer in Alba Iulia

Senior Network Engineer | Hybrid | Large-Scale Enterprise Romania Role Overview We are seeking a Senior Network Engineer to design, manage and optimize the network infrastructure of a large Romanian enterprise with operations across 8 counties and 3 major operational centers . The role involves designing, maintaining and securing a network environment based on multiple vendors , ensuring high availability, performance, and security across multiple locations. This hybrid role requires on-site presence and travel to various operational centers as needed. The ideal candidate will have a strong background in network design , Microsoft Active Directory and cyber-security . Key Responsibilities Network Administration & Infrastructure Management: Design, configure, and maintain a secure, scalable, and highly available network infrastructure across multiple locations. Manage networking equipment , including routers, switches, firewalls and wireless controllers . Oversee the network lifecycle , including patching, upgrades, and troubleshooting . Implement network redundancy and failover mechanisms to minimize downtime. Assist with disaster recovery planning and network resilience strategies . Monitor LAN, WAN and VPN performance, ensuring seamless connectivity across all sites. Network Security: Ensure network security best practices , implementing firewall policies, VLAN segmentation, access control lists (ACLs) and IPS/IDS systems . Perform regular security checks , vulnerability assessments and penetration testing. Work with SIEM (Security Information and Event Management) tools to monitor network activity. Respond to network security incidents , coordinate investigations, and implement remediation plans. Microsoft Active Directory & Integration: Maintain Active Directory (AD) services , including GPOs, DNS, DHCP, and user authentication . Integrate network services with Microsoft AD to ensure seamless user and device management. Support identity and access management (IAM) policies for network security. Required Skills & Experience 5+ years of experience as a Network Administrator or Network Engineer in a large-scale enterprise. Strong knowledge of network security principles , including firewall configurations, VPNs, and threat mitigation . Expertise in Cisco, Fortigate, Mikrotik networking equipment (switches, routers, firewalls, wireless). Experience with Microsoft Active Directory, GPOs, DNS and DHCP . Familiarity with network monitoring tools (e.g. PRTG, SolarWinds, Wireshark, etc.). Industry certifications (e.g. CCNA, CNNP, HCIA, CompTIA Network+, Cisco CyberOps certifications) are a plus. Understanding of cybersecurity frameworks (ISO 27001, NIST, CIS Controls) is a plus. Knowledge of cloud networking (AWS, Azure or Google Cloud) is an advantage. Strong problem-solving skills , ability to work independently and excellent communication skills . Fluent in Romanian and English . Why Join? Work in a large-scale enterprise with a dynamic and complex network infrastructure . Hybrid work model with travel opportunities across multiple locations . Attractive compensation and benefits package . Opportunities for professional growth, certifications, and specialized training . If you are a highly skilled Senior Network Administrator looking for a challenging and rewarding opportunity in a leading Romanian enterprise , we want to hear from you!