IT & Network Manager

A well-established company is looking for a highly motivated, hands-on "IT & Network Manager" to manage the company's IT infrastructure, network and cybersecurity across its headquarters and field sites. The role calls for a strong background in networking and cybersecurity, manager-level knowledge of systems administration, and the ability to build a secure, reliable and scalable IT environment that supports the company's growth.

Your Responsibilities

Network Management: Design, configure and secure LAN/WAN, VPN, firewall and Wi-Fi infrastructure at headquarters and field sites; manage network segmentation, access control, high availability and network monitoring.

Cybersecurity: Implement security policies, patch and vulnerability management, endpoint protection, log monitoring and incident response; manage firewall, IPS and related security solutions; follow up on closing penetration test and vulnerability scan findings; support compliance with KVKK and ISO 27001.

Regulatory Audits & Compliance: Take ownership of cybersecurity compliance and audits, including regulatory cybersecurity audits and the Presidential Digital Transformation Office Information and Communication Security Guide (CBDDO); prepare evidence and documentation, coordinate with auditors and follow up on corrective actions.

SCADA & OT Infrastructure: Manage the network, connectivity and security of SCADA systems at field sites; ensure secure remote access, IT/OT network segregation and monitoring in close collaboration with Operations.

Business Continuity: Plan, implement and regularly test disaster recovery and business continuity plans.

Systems Management: Coordinate the management of servers, virtualization (VMware / Hyper-V), storage and backup systems and guide the technical team; maintain enough hands-on command to step in when needed.

Vendor & Budget Management: Manage IT vendors, service contracts, software licenses and the annual IT budget.

Digital Transformation: Support digitalization projects, ERP and business application infrastructure, and process automation initiatives.

User Support: Ensure effective second-level technical support and end-user training, tracked through clear service level metrics.

Your Qualifications & Experience

Education: Associate's or Bachelor's degree in Computer Engineering, Computer Programming, Computer Technologies, Electrical & Electronics Engineering or a related field.

Experience: Minimum 10 years of experience in IT infrastructure, networking and cybersecurity, including at least 3 years in a team lead or managerial role.

Network Expertise: Advanced hands-on experience with network devices (Cisco, Fortinet, Palo Alto, Check Point, D-Link or similar), routing/switching, VPN and firewall configuration, network segmentation and network monitoring.

Cybersecurity Expertise: Hands-on experience in endpoint protection, vulnerability and patch management, log monitoring/SIEM, incident response and firewall/IPS management.

Compliance & Audit Experience: Proven experience in cybersecurity compliance and audits, preferably with regulatory cybersecurity frameworks, the CBDDO Information and Communication Security Guide and/or ISO 27001.

SCADA / OT Expertise: Hands-on experience with SCADA systems and OT networks, including remote access, IT/OT network segregation and OT security practices; knowledge of IEC 62443 is a plus.

Systems Knowledge: Manager-level knowledge of Windows Server, Active Directory, VMware / Hyper-V, Microsoft 365 and enterprise backup solutions.

Linux Knowledge: Basic to intermediate Linux knowledge (command line, user and service management, log review and basic network configuration).

Certifications: CCNA/CCNP, Fortinet NSE, Palo Alto, CISSP/CISM, CEH, ISO 27001 Lead Auditor, Microsoft/Azure or ITIL certifications are a plus.

Languages: Good command of written and spoken English.

Soft Skills: Strong problem-solving, communication and stakeholder management skills with a service-oriented mindset.

Mobility: No restrictions on travel within Turkey, especially to field sites.

Location: Residing in Istanbul.

This is an exciting opportunity for IT professionals who want to contribute to the growth of a well-established company while building a secure, resilient and future-ready digital infrastructure. Join a dynamic team and help shape the company's digital future.