Application Support & Systems Administrator

Application Support & Systems Administrator

InTTrust · Marousi, Greece · Full-time · Posted 2026-10-16

Workplace: on_site

Department: ENGINEERING

Description

InTTrust is a trusted Technology and Digital Solutions provider creating value for customers, encompassing IT Consulting and Implementation services, Database Operation, Administration and Optimization services, IT Managed Services, Cloud Governance & Security services. We are experts on Digital Transformation Solutions, Custom Applications Development & Application Modernization, IloT and ML/AI solutions, Design and Implementation of Private/Public/Hybrid Cloud solutions together with Multi-Cloud Integration.

We are seeking to hire a talented Application Support & Systems Administrator to join our team and become part of our success story.

InTTrust S.A. is proud to be an equal opportunities workplace and is an affirmative action employer. We are committed to equal employment opportunity regardless of age, race, colour, national origin, gender, sexual orientation, religion, disability or genetic information, or any other protected classification. We are committed to ensuring that our applicants and employees are respected, treated fairly and with dignity.

What you'll do

Provision of functional support, administration, and troubleshooting for industrial applications (e.g., management of scheduling and workflows, event and incident management, etc.) and their supporting infrastructure. The role acts as a liaison between users, vendors, and IT teams to ensure the uninterrupted operation of the systems. In more detail:

·       Support and troubleshooting of industrial applications,

·       Conducting application testing and verifying fixes,

·       Performing administrative tasks on systems and servers that host the applications,

·       Collecting and analyzing logs to investigate incidents,

·       Starting, stopping, and restarting services and applications,

·       Installing and configuring applications on tablets and mobile devices,

·       Configuring and supporting secure industrial Wi-Fi,

·       Collaborating with users, vendors, and internal IT teams to resolve issues,

·       Running ad hoc SQL queries for data extraction and verification,

·       Maintaining technical documentation and support procedures.

Requirements

Mandatory

·      Diploma in Computer Science, Engineering, or a related field,

·      At least 1 year of experience in application support or systems administration,

·      Experience with Windows Server environments and basic knowledge of Linux,

·      Ability to analyze logs and troubleshoot technical issues,

·      Knowledge of SQL and relational databases and historians,

·      Basic knowledge of networking, Wi-Fi, and mobile device support,

·      Excellent communication and collaboration skills with technical and business users,

·      Willingness to work in new fields and develop new skills,

·     Eligibility to work within the EU,

·      Fluency in Greek and English,

·      Willingness to work on-site.

Nice to have

·      At least 3 years of experience in application support or systems administration,

·      Experience with industrial applications or equivalent industrial systems,

·      Experience in refinery, oil and gas, or heavy industry environments,

·      Familiarity with middleware/application servers,

·      Knowledge of system monitoring tools,

·      Knowledge of basic scripting (PowerShell, Bash, Python).

Soft skills

·      Demonstrated professionalism, integrity, and a strong sense of responsibility,

·      Excellent analytical abilities and collaboration skills,

·      Capacity to learn, adapt, communicate effectively, and organize tasks efficiently,

·      Commitment to customer satisfaction,

·      Focus on delivering high-quality results.

Benefits

·      Attractive salary package,

·      Health Insurance Coverage,

·      Meal Vouchers - Meal Subsidies,

·      Training and Professional Development Opportunities,

·      Company Laptop.

InTTrust S.A. is proud to be an equal opportunities workplace and is committed to ensuring that all applicants and employees are respected, treated fairly and with dignity, regardless of age, race, colour, national origin, gender, sexual orientation, religion, disability or genetic information, or any other protected classification.

Apply

Apply at InTTrust

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