Lead Technical Support Specialist (Experience as Windows Server, Database, VMware, Storage & Backup Administrator)

SITA; Arnavutköy; On-site; TRY 140,000 - 200,000; Full time

Benefits offered by this job

Flex Week

Flex Day

Flex-Location

Employee wellbeing

Professional development

Competitive benefits

Job summary

SITA is hiring a Senior Technical Administrator to join the on-site support team at Istanbul Airport, focusing on Windows Server, SQL Server, VMware, storage, and backup environments. You will own incidents end-to-end, coordinate with customers and stakeholders, and ensure services meet SLAs in a rotating on-call schedule.

The role requires strong experience with Windows, SQL, VMware, SAN storage, backup, and ITIL practices, plus excellent communication and proactive problem-solving skills.

Qualifications

• 3+ years of professional experience in network, infrastructure, application and/or systems support.
• Degree in Computer Science, Electronic Engineering, Information Technology or a related discipline.
• Proven experience supporting external customers and delivering services against agreed SLAs.
• Strong practical experience administering Windows Server and its core infrastructure services.
• Hands-on SQL Server administration experience covering setup, backup, restore and performance monitoring.
• Practical VMware administration experience across hosts, virtual machines and datastores.
• Experience administering and troubleshooting SAN storage, SAN switches, backup and disaster-recovery solutions.
• Practical knowledge of ITIL processes and service-management principles.
• Strong troubleshooting, incident ownership, customer communication, collaboration and stakeholder-management skills.
• A proactive, accountable working style, with the ability to follow tasks through from start to completion and participate in on-call support.

Responsibilities

• Administer, monitor and support Windows Server environments, including Active Directory, Microsoft Failover Clustering, IIS, WDS, DNS and DHCP.
• Administer SQL Server environments, including installation, database setup, backup, restore and performance monitoring.
• Manage and monitor VMware hosts, virtual machines and datastores to maintain stable and reliable operations.
• Monitor, administer and troubleshoot SAN storage and SAN switch environments.
• Operate backup and disaster-recovery solutions, monitor backup jobs, perform restores and support recovery testing.
• Troubleshoot infrastructure, application and system incidents, taking end-to-end ownership through resolution and timely follow-up.
• Support external customers and deliver services in line with agreed SLAs, ITIL processes and service-management principles.
• Communicate clearly with customers, internal teams and stakeholders, providing accurate updates and coordinating required actions.
• Maintain operational documentation and contribute to proactive monitoring, problem prevention and continuous service improvement.
• Work on-site at Istanbul Airport and participate in the team’s rotating on-call support schedule when required.

Skills

Windows Server

Active Directory

SQL Server

VMware

SAN storage

Backup & DR

ITIL

Customer communication

Incident ownership

On-site support

Education

Degree in Computer Science or related field

Tools

IBM MQ

RabbitMQ

MSMQ

WebSphere

IBM Integration Bus

MS SSRS

Power BI

Job description

Overview

WELCOME TO SITA

At SITA, we keep airports moving, airlines flying smoothly, and borders open. Our technology and communication innovations power the success of the global air travel industry.

You’ll find us in 95% of international airports, working closely with over 2,500 transportation and government clients. Each partnership brings unique challenges, and we thrive on delivering fresh solutions and cutting‑edge tech to keep operations running like clockwork. We don’t just move the world forward‑we’re proud to be recognized as a Great Place to Work® by 79% of our employees and certified in most of our growing locations. Here, we feel empowered, supported, and inspired to grow.

Are you ready to love your job?

The adventure begins right here, with you, at SITA.

About The Role & Team

As Senior Technical Administration within Professional Field Services, you will join the on-site support team at Istanbul Airport, helping maintain the availability and performance of business‑critical airport technology. You will provide hands‑on administration and support across Windows Server, SQL Server, VMware, storage, backup and related application environments, own incidents through resolution, and work closely with customers and stakeholders to deliver services in line with agreed SLAs. This is a full‑time, primarily on‑site role, Monday to Friday, with participation in a rotating on‑call schedule.

What You’ll Do

• Administer, monitor and support Windows Server environments, including Active Directory, Microsoft Failover Clustering, IIS, WDS, DNS and DHCP.


• Administer SQL Server environments, including installation, database setup, backup, restore and performance monitoring.


• Manage and monitor VMware hosts, virtual machines and datastores to maintain stable and reliable operations.


• Monitor, administer and troubleshoot SAN storage and SAN switch environments.


• Operate backup and disaster‑recovery solutions, monitor backup jobs, perform restores and support recovery testing.


• Troubleshoot infrastructure, application and system incidents, taking end‑to‑end ownership through resolution and timely follow‑up.


• Support external customers and deliver services in line with agreed SLAs, ITIL processes and service‑management principles.


• Communicate clearly with customers, internal teams and stakeholders, providing accurate updates and coordinating required actions.


• Maintain operational documentation and contribute to proactive monitoring, problem prevention and continuous service improvement.


• Work on‑site at Istanbul Airport and participate in the team’s rotating on‑call support schedule when required.

Qualifications

ABOUT YOUR SKILLS

• At least 3 years of professional experience, preferably 5 years, in network, infrastructure, application and/or systems support.


• A degree in Computer Science, Electronic Engineering, Information Technology or a related discipline.


• Proven experience supporting external customers and delivering services against agreed SLAs.


• Strong practical experience administering Windows Server and its core infrastructure services.


• Hands‑on SQL Server administration experience covering setup, backup, restore and performance monitoring.


• Practical VMware administration experience across hosts, virtual machines and datastores.


• Experience administering and troubleshooting SAN storage, SAN switches, backup and disaster‑recovery solutions.


• Practical knowledge of ITIL processes and service‑management principles.


• Strong troubleshooting, incident ownership, customer communication, collaboration and stakeholder‑management skills.


• A proactive, accountable working style, with the ability to follow tasks through from start to completion and participate in on‑call support.

NICE-TO-HAVE

• Previous experience in the airline, airport or broader Air Transport Industry.


• Experience with messaging and middleware technologies such as IBM MQ, RabbitMQ, Microsoft MSMQ, IBM WebSphere Application Server or IBM Integration Bus.


• Experience with reporting, ETL and monitoring tools such as Microsoft SSRS or Power BI, plus relevant Microsoft, Cisco, AIX or ITIL certification.

What We Offer

We're all about diversity. We operate in 200 countries and speak 60 different languages and cultures. We're really proud of our inclusive environment. Our offices are comfortable and fun places to work, and we make sure you get to work from home too. Find out what it's like to join our team and take a step closer to your best life ever.

Flex Week: Work from home up to 2 days/week (depending on your team's needs)

Flex Day: Make your workday suit your life and plans.

Flex-Location: Take up to 30 days a year to work from any location in the world.

Employee Wellbeing: We have got you covered with our Employee Assistance Program (EAP), for you and your dependents 24/7, 365 days/year. We also offer Champion Health - a personalized platform that supports a range of wellbeing needs.

Professional Development: At SITA, we believe growth fuels innovation. Our learning ecosystem offers access to world‑class platforms and programs designed to help you thrive. From LinkedIn Learning, Microsoft's Enterprise Skills Initiative, and Airport Council International -available to all employees-to specialized solutions like Pluralsight for technology upskilling, Harvard Business Publishing for people leadership, Stanford for strategic development and many others, we align learning opportunities with your Development Plan and our business priorities. Your development journey is supported every step of the way.

Competitive Benefits: Competitive benefits that make sense with both your local market and employment status.

SITA is an Equal Opportunity Employer. We value a diverse workforce. In support of our Employment Equity Program, we encourage women, aboriginal people, members of visible minorities, and/or persons with disabilities to apply and self‑identify in the application process.

Salary / Compensation Note

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