Sysadmin Engineer (Senior)

Posted 14 Days Ago
Be an Early Applicant
Athens
3-5 Years Experience
Cloud • Information Technology
The Role
The Sysadmin Engineer will design, implement, and support server and virtualization solutions, develop automation for repetitive tasks, manage CI/CD pipelines, monitor services, improve security, and conduct upgrades, all while ensuring high availability and performance.
Summary Generated by Built In

Description

GRNET S.A. provides Internet connectivity, high-quality e-Infrastructures and advanced services to the Greek Educational, Academic and Research community, aiming at minimizing the digital divide and at ensuring equal participation of its members in the global Society of Knowledge. GRNET provides advanced services to the following sectors: Education, Research, Health, Culture.

We are currently looking for a passionate DevOps Engineer to work on designing, implementing and providing advanced operational support for service, server, virtualization and computing/storage service solutions.

With this position  you’ll have to develop automation for repetitive tasks, manage CI/CD pipelines for a number of services , monitor hosts and services to identify performance issues, organize upgrades for services, improve security of services, while participating in the design and deployment of new services.

You will be part of a talented team of engineers that demonstrate superb technical competency, delivering mission critical services and ensuring the highest levels of availability, performance and security. The team members are professionals, with a mindset to innovate, automate, streamline, and provide value to GRNET and to the users of the offered services.

Requirements

Your tasks

●       Install, configure, test and maintain operating systems, application software and system management tools

●       Proactively ensure the highest availability levels of services

●       Implementation of changes such as deployments, migrations, maintenance

●       Maintain security, backup, and redundancy strategies

Your Profile

●       Proven working experience (at least 3 years) in administration of  the Linux operating system (including security, firewall) and in particular RedHat derivatives and Debian

●       2-year experience in relevant field

●       Experience in configuration Management such as Ansible,

●       Experience in supporting stack with proxying/load balancing based on Apache, Nginx, HAproxy

●       Experience with Continuous Integration and Delivery Tools (eg Jenkins), using github, Docker and Jenkins

●       Good knowledge of networking fundamentals and Network configuration management  (IPv4 & IPv6)

●       Familiarity with RBDMS databases (eg. MySQL, Postgres) or with NoSQL databases (eg. mongodb)

Will be considered a plus:

●       Experience in installation, configuration, management, optimization of Monitoring Systems (Nagios, Icinga etc)

●       Experience in supporting stack with proxying/load balancing based on Apache, Nginx, HAproxy

●       Experience in configuration, management and optimisation of MongoDB and relating Replication, High-Availability procedures

●       Knowledge of Backup-Restore, Replication, High-Availability procedures for relational open source databases

●       Experience with test automation and test-driven development

●       Experience with graphing/metrics/logging tools

●       Working with agile methodologies


Personal Characteristics:

●       Creativity, innovation spirit and team player

●       Dynamic personality, ability to accept challenges and undertake responsibilities

●       Enthusiasm, persistence and willingness to deliver results timely

Benefits

What we offer:

●       Opportunities for International collaborations

●       Opportunities for development of personal skills through training and conferences

●       Modern, friendly and innovative working environment

GRNET is an equal opportunity employer that is committed to diversity and inclusion in the workplace. People with a diverse range of backgrounds are encouraged to apply. We do not discriminate against any person based upon their race, age, color, gender identity and expression, disability, national origin, medical conditions, religion, parental status, or any other characteristics protected by law.

All applications will be treated with strict confidentiality.

Top Skills

Go
Java
JavaScript
Linux
PHP
Python
The Company
HQ: Athens
216 Employees
On-site Workplace
Year Founded: 1998

What We Do

GRNET – National Infrastructures for Research and Technology, provides networking and cloud computing services to academic and research institutions, to educational bodies at all levels, and to agencies of the public, broader public and private sector.

GRNET holds a key role as the coordinator of all e-infrastructures in Education and Research. With twenty-plus years’ experience in the fields of advanced network, cloud computing and IT infrastructures and services, and significant international presence, GRNET shall advise the Ministry of Digital Governance on issues relating to the design of advanced information systems and infrastructures.

GRNET offers:

- A nation-wide fiber optic network
- Large scale data centers;
- High-performance computing system;
- Internet, cloud computing, high-performance computing, authentication & authorization services, security services, as well as audio, voice and video services.

GRNET interconnects:

- Universities & Ecclesiastical Academies
- Research centers
- Public hospitals
- The Pan-Hellenic School Network
- Museums, Libraries and other Cultural Institutions
- Public Administation

GRNET operates under the auspices of the Ministry of Digital Governance. GRNET receives funding from the Greek State and the European Union.

Interested in working at GRNET, you may view all vacancies and apply here: https://apply.workable.com/grnet-sa/

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