Senior Network Engineer

MetLife; Fatih; On-site; TRY 70,000 - 90,000; Full time

Job summary

MetLife is seeking a Senior Network Engineer in Turkey to design and optimize network technologies. You will work with Cisco products and ensure security compliance while supporting infrastructure projects.

This role demands expertise in network architectures and a strong background in IT & Network Security to enhance performance and collaboration across teams. Join us to shape the future of our IT landscape.

Qualifications

• 6+ years of equivalent work experience with IT & Network Security.
• 3+ years of hands-on experience with Layer 4 through Layer 7 technologies.
• Experience with Cisco's Catalyst and Nexus Switches.

Responsibilities

• Design and maintain architectural blueprints for networks.
• Monitor system performance and identify areas for improvement.
• Lead disaster recovery and business continuity planning.

Skills

Cisco Networking

IT & Network Security

Analytical Skills

Problem Solving

Collaboration

Education

Bachelor’s degree in computer science or related field

Tools

Cisco Catalyst

Firewalls

Azure networking

Job description

The Team You Will Join

Our company is currently undergoing significant transformation across the EMEA region. We operate six regional data centers that play a key role in supporting our production environments. Historically, each region has managed its own processes and infrastructure independently. However, we are now moving toward a more unified, global operating model. The goal of this transformation is to strengthen our internal knowledge base and improve collaboration between regional and global teams. By consolidating expertise and standardizing our practices, we aim to increase efficiency and reduce duplication of effort. This shift will also allow us to provide more consistent and scalable support worldwide. This transformation also focuses on improving collaboration with our internal business partners and responding more effectively to their needs.

You will join the Türkiye IT Global Infrastructure Team, supporting 2 Data Centers.

The Opportunity

The Senior Network Engineer is responsible for the design, engineering, and optimization of current and emerging network technologies to support MetLife business in Türkiye. This role requires expertise in many of the following network architectures, including route/switch, VPN, Load Balancing, Firewalls, Telephony, WAN acceleration, Cloud Security, Zero Trust, SDN. This role also covers day-to-day BAU requirements.

How You’ll Help Us Build a Confident Future (Key Responsibilities)

• Design and planning - Develop and maintain architectural blueprints for networks.
• Technology selection – Contribute to evaluation, selection, and integration of modern technology solutions and ensure they meet performance and security standards.
• Project oversight – Help lead infrastructure-related projects, ensuring successful implementation and transition from conception to completion.
• Security and compliance - Implement security policies, conduct risk assessments, and ensure compliance with regulations and standards.
• Regulatory Compliance - Ensure all system designs meet the required regulatory standards.
• Performance and optimization- Monitor system performance, manage capacity, and identify areas for improvement.
• Collaboration - Work with project managers, business leaders, and other IT professionals to align infrastructure with business goals.
• Documentation and standards - Create and maintain comprehensive documentation for infrastructure processes and standards.
• Disaster recovery - Develop and lead disaster recovery and business continuity planning for the Network.

What You Need To Succeed (Required Qualifications)

• Bachelor’s degree in computer science, information Systems or related field preferred, or 6+ years equivalent work experience, that includes:
• 3+ years of IT & Network Security experience working in an infrastructure or security architecture environment with proven experience with Cisco's range of products including Catalyst and Nexus Switches.
• 3+ years of hands‑on experience with Layer 4 through Layer 7 technologies and expert level understanding of mainstream protocols such as TCP, HTTP, SSL, FTP and DNS.
• 2–3+ years of IT & Network Security experience with focus on Firewalls, Site‑Site VPN, URL filtering and Remote Access VPN.
• In depth or general/working knowledge of the following technologies:
• Cisco Networking, including Cisco SD‑WAN, Cisco LAN/Wireless, Cisco Catalyst Center
• Understanding of Micro Segmentation
• Firewalls (in general)
• SAN Fabric
• Azure networking (general knowledge)
• Global Load Balancers (general knowledge)
• Relevant Cisco (CCNP, CCIE, or specialist credentials) and other certifications or equivalent experience.
• Solid knowledge of WAN, LAN and Wi‑Fi technologies.
• Must have strong analytical skills, excellent understanding of application and network architecture, and must be able to assess security designs independently.
• Strong problem‑solving skills and ability to work as part of a creative team.
• Attention to detail: dedication to quality and excellent documentation skills are key.
• Team Player & Hands‑on work style with advanced communication and collaboration skills.
• Experience working with global teams.
• Proactive in nature: can‑do attitude.

What Can Give You An Edge (Additional Skills)

• Experience with Arista Networks.
• Experience working with Agile development methodologies.
• Familiarity with a wide range of network platforms.
• Familiarity of Storage Area Networks.