IT Systems & Network Administrator Trainee

TUR - Kantar Media Medya Araştırmaları ve Danışmanlık Tic. A.Ş.; Güngören; Hybrid; TRY 180,000 - 240,000; Full time

Job summary

Fifty5Blue in Türkiye is seeking an entry-level IT professional to support network and server infrastructure. You will learn IT systems, assist with 24/7 production-critical operations, and document procedures. Fluency in English and a willingness to learn are required.

Training will cover Linux, networking gear, and security best practices. The role offers a hybrid work model with opportunities for career development, training, and exposure to international projects within a collaborative,

Qualifications

• Bachelor's degree in a technical field is desirable.
• CCNA or Linux+ certifications are advantageous.
• Strong written and spoken English required for global collaboration.

Responsibilities

• Manage and maintain network infrastructure (switches, routers, firewalls).
• Administer Linux-based servers and ensure system availability.
• Support production-critical business applications and systems.
• Monitor, troubleshoot and optimize network and server performance.
• Develop and maintain detailed technical documentation.

Skills

Network fundamentals

Explain switches/routers/firewalls

Linux installation

IT security basics

Virtualisation basics

English fluency

Documentation

Education

Bachelor's degree in Computer/IT/Electrical/Electronic Engineering or related

Tools

CCNA

Linux+

Job description

We help partners understand the changing advertising landscape. Specialising in audience measurement, consumer targeting and in-depth intelligence into paid, owned and earned media, their global coverage and local expertise enable better understanding of media audiences and their relationships with brands.

Job Details Role Overview

We are looking for skilled, enthusiastic and diligent early-career talent with sufficient spoken English to communicate with global teams. The successful candidate will be trained in IT systems and network administration, helping to ensure the stability, security and performance of our IT infrastructure. You will learn to support 24/7 operations across our network environment and production-critical systems, assisting both internal users and external clients. The role includes hands‑on administration of servers, network devices, monitoring systems and specialised business applications. All changes - including updates, patches and migrations - must align with global IT policies, requiring close collaboration with international teams and a strong team-oriented approach.

Key Responsibilities

• Manage and maintain network infrastructure, including switches, routers and firewalls.
• Administer Linux-based servers and help ensure system availability and performance.
• Support and maintain production-critical business applications and systems.
• Monitor, troubleshoot and optimise network and server performance to ensure consistent service delivery.
• Expand and maintain the IT knowledge base with detailed technical documentation.
• Provide responsive support to internal staff and external stakeholders.
• Collaborate effectively with global teams and work in line with corporate IT policies and culture.

Qualifications & Skills

Education & Background

• A bachelor's degree in Computer Engineering, Information Technology, Electrical Engineering, Electronic Engineering or a related discipline is desirable.
• Relevant courses or certifications, such as CCNA or Linux+, are advantageous.

Technical Expertise

• A sound understanding of network fundamentals.
• Ability to explain the differences between switches, routers and firewalls.
• Ability to install a Linux distribution.
• Understanding of IT security principles and best practices.
• Basic understanding of virtualisation.

Soft Skills

• Eagerness to learn, adapt and grow in a dynamic IT environment.
• Strong problem-solving skills and a proactive, detail-oriented mindset.
• Ability to work under pressure in mission-critical environments.
• A collaborative approach, with strong communication and documentation skills.
• Fluency in written and spoken English for working effectively with global teams.
• Ability to write clear technical guides in English.

#LI-MR1

Country Türkiye

Why join Fifty5Blue?

We pride ourselves on understanding people, and what makes us think and act the way we do. And because we know people, we like to make sure our own people are being looked after as well.

Equality of opportunity for everyone is our highest priority and we support our colleagues to work in a way that supports their health and wellbeing.

While we encourage teams to spend part of their working week in the office, we understand no one size fits all; our approach is flexible to ensure everybody feels included, accepted, and that we can win together.

We're dedicated to creating an inclusive culture and value the diversity of our people, clients, suppliers and communities, and we encourage applications from all backgrounds and sections of society.

Fifty5Blue is a global leader in media measurement and analytics, operating in more than 80 countries. We bring clarity to complexity. Our independent, hybrid cross-media audience measurement combines trusted audience panels with large-scale data to establish a single, coherent view across platforms and markets. This gives content owners, advertisers, agencies and platforms the clarity and confidence to develop content and plan advertising decisively. With deep expertise across global media systems, we design integrated, comparable measurement frameworks that support a more consistent and accountable media market. Our specialist expertise, pioneering technology and commitment to innovation provide the ideal environment for career growth.

When you join us, you'll gain the benefit of our global reach, advanced technical innovation and deep expertise. We'll support you with training and career development opportunities. Become part of a community of passionate, dedicated professionals.