COSMOTE - Αγγελίεσ - Θέσεισ Εργασίασ

system engineer/cloud engineer (windows)

Dec 21, 2025 by 

COSMOTE

Μαρούσι

Μαρούσι

On Site

Πληροφορική

Permanent

Full Time

About the job

As a member of Cloud Management & Virtualization Platform Administrators' team, you will be responsible for daily operational support and administration of Hypervisor Platforms, Windows physical and virtual environments and their lifecycle management by performing relevant installations, patches and upgrades.

Duties & responsibilities

  • Ensure compliance of IT systems by implementing the appropriate security policies

  • Monitor and maintain IT systems performance

  • Automate infrastructure deployment and configuration management

  • Install, configure and operate: x86 physical servers (blade and rack-mount models) MS Hyper-V, VMware ESXi & other Hypervisors / Microsoft Windows operating systems on physical and virtual servers / Microsoft Active Directory Services

  • Analyze, report and solve complex problems

  • Use corporate tools and applications to record and report incidents, changes and other IT activities

  • Participate in IT projects by analyzing, proposing and implementing solutions aimed at the high and seamless availability of the services offered

  • Communicate with other organizational units and managing the requirements of business needs

  • Adapt to urgent time schedules

  • Coordinate and monitor troubleshooting, testing, upgrades, and configuration of Windows and Hypervisors systems and services

  • Prepare for and prescribe approaches to possible downstream implications

  • Coordinate actions with peer systems administrators, network administrators, security teams, software teams and hardware engineers

Required Skills

  • Bachelor's degree from an accredited college or university in Computer Science

  • Three or more years (3+) of experience in infrastructure, support and technical delivery area

  • Work experience in Infrastructure Automation Tools and scripting languages

  • Public cloud experience (Azure, GCP, AWS).

  • Familiar with the following concepts: Network, SAN, Storage, DR, Backup/Restore procedures

  • Good knowledge of the English language

Other Qualifications

  • Knowledge of Containerization technology and MicroServices architecture

  • Excellent written and verbal communication skills, especially with technical audience

  • Analytical, technical, and problem solving skills, with high-levels of creativity

  • Ability to work independently and part of a team

Certifications:

  • Microsoft Certified: Azure Administrator Associate.

  • VMware Certified Professional (VCP) or similar virtualization certification is a plus.

 

 

What we offer

At OTE Group, we recognize and reward every effort without discrimination, through a wide range of benefits and programs for our people:

 

Your benefits

  • Competitive remuneration package

  • Company Mobile & Device Subsidies

  • Fixed telephony, Internet & COSMOTE TV Packages

  • Modern working environment, working laptop only

 

Your balance

  • Flexible working arrangements

 

Your wellness

  • Health, safety & wellness programs: Exercise & Wellness Platform “The Coach”

  • Wellness and sports activities, dietician appointments, medical check-ups, etc.

  • OTE Group psychological support service

 

Your development

We foster an empowering culture, encouraging our people to seize every opportunity to learn with the goal to achieve personal development, through:

  • Unlimited access to digital learning platforms Percipio & Coursera

  • Various f2f custom made learning academies

  • Talent & rotation programs

 

Your On-boarding

  • Virtual new hire pre-boarding & onboarding program

  • A buddy to support you in the first months working with us  

On Site

Πληροφορική

Permanent

Full Time

About the company

Ο Όμιλος ΟΤΕ είναι η μεγαλύτερη εταιρεία τεχνολογίας στην Ελλάδα. Αποτελεί μία από τις κορυφαίες εταιρείες στο Χρηματιστήριο Αθηνών, σύμφωνα με την κεφαλαιοποίηση, ενώ οι μετοχές του διαπραγματεύονται στο διεθνές χρηματιστήριο του Λονδίνου. Στο μετοχικό του κεφάλαιο μετέχουν η Deutsche Telekom με ποσοστό 53,45% και το Ελληνικό Δημόσιο με 7,75%. Ο Όμιλος ΟΤΕ το 2023 απασχολούσε 10.590 εργαζομένους

Κάτω από την ενιαία εμπορική μάρκα COSMOTE και με κεντρικό της μήνυμα «ένας κόσμος, καλύτερος για όλους», ο Όμιλος ΟΤΕ προσφέρει μια ευρεία γκάμα υπηρεσιών: σταθερή, κινητή τηλεφωνία, ευρυζωνικές υπηρεσίες, συνδρομητική τηλεόραση και ολοκληρωμένες λύσεις ICT. Παράλληλα, δραστηριοποιείται στον τομέα των ακινήτων, στις ηλεκτρονικές συναλλαγές και πληρωμές, στην online παραγγελία φαγητού και στην αγορά ψηφιακών ασφαλίσεων. Εκτός Ελλάδας, δραστηριοποιείται στην αγορά κινητών τηλεπικοινωνιών της Ρουμανίας.


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