Senior Network Security Architect — Flexible Hours

Intertech Information Technology and Marketing Inc.; Fatih; On-site; TRY 400,000 - 560,000; Full time

Benefits offered by this job

Flexible working hours

Gym & recreation facilities

Inter Academy training

Job summary

Intertech Information Technology and Marketing Inc. in Turkey seeks a senior Network Security Engineer to manage and secure our network infrastructure across teams.

The role requires 7+ years of experience, CCNA/CCNA Security or higher certifications, and hands-on expertise with firewalls, VPNs, and routing protocols. You will contribute to ITIL-aligned processes, document networks, and participate in POC testing for ongoing projects.

Qualifications

• Minimum 7+ years of experience.
• Proficient in ICMP, HTTP, FTP, SMTP, Telnet, Dynamic Routing protocols.
• Proficient in DHCP, ARP, Spoofing, Spanning Tree terminology.
• Good knowledge of Firewall, Load balancer, SSL VPN, IPSEC VPN, IPS technologies.
• Experienced in planning, installation and management activities related to security products.
• CCNA/CCNA Security, CCSA certified or proficient at that level.
• Preferably CCNP, CCSP or NSE certified.

Responsibilities

• Managing network security systems within the team's areas of responsibility.
• Resolving problems related to network security systems.
• Ensuring the continuity of SLA values defined for network security systems.
• Ensuring system continuity in case of emergencies related to the team's areas of responsibility.
• Communicating with manufacturers related to the areas of responsibility.
• Performing duties in accordance with ITIL processes.
• Preparing and keeping technical network documents up-to-date.
• Participating in POC and testing activities.
• Adhering to the deadlines specified in the project plan. Reporting any risk to managers and the team.
• Actively planning within the framework of Change Management.
• Having knowledge of the products under their responsibility, providing timely information on the product, and playing an active role in product development.
• Following up on requests from internal/external audits, inspections, and controls and ensuring that necessary actions are taken.

Skills

Network security

Firewall & VPN

TCP/IP protocols

ITIL processes

Change management

Documentation

POC testing

Audits support

Education

BSc in Electrical Engineering

BSc in Computer Engineering

CCNA

CCNA Security

CCNP

CCSP

NSE

Tools

Cisco devices

Check Point devices

Job description

Intertech Information Technology and Marketing Inc. in Turkey seeks a senior Network Security Engineer to manage and secure our network infrastructure across teams.

The role requires 7+ years of experience, CCNA/CCNA Security or higher certifications, and hands-on expertise with firewalls, VPNs, and routing protocols. You will contribute to ITIL-aligned processes, document networks, and participate in POC testing for ongoing projects.