Sysadmin Engineer (Junior)

Posted 14 Days Ago
Be an Early Applicant
Athens
1-3 Years Experience
Cloud • Information Technology
The Role
As a Sysadmin Engineer, you will install, configure, and maintain operating systems and applications, manage CI/CD pipelines, monitor systems, and enhance security. You will also implement updates and provide support alongside a skilled team, ensuring high availability and performance of services.
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 minimising 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 Sysadmin 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, organise 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

●       Implementation of changes such as deployments, migrations, maintenance

●       Deploy updates and fixes

●       Maintain security, backup, and redundancy strategies

●       Provide 2nd line support on development teams.

Your Profile

●       Proven working experience (at least 1 year) in administration of  the Linux operating system (including security, firewall) and in particular RedHat derivatives and Debian.

●       Experience (at least 1 years) with code repository management, code merge and quality checks, continuous integration, and automated deployment and management using tools like Jenkins, Git and Docker.

●       Basic Knowledge in configuration Management such as Ansible,

●       1-year experience in relevant field



Will be considered a plus:

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

●       Familiarity with RBDMS databases (MySQL, Postrgres)

●       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 and ability to accept challenges

●       Enthusiasm, persistence and willingnes to ensure the consistent delivery of results within established deadlines,

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

Ansible
Apache
Debian
Docker
Git
Haproxy
Icinga
Jenkins
Linux
MongoDB
MySQL
Nagios
Nginx
Postgres
Redhat
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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