Senior Database Administrator (all genders)

NFON AG; Lisboa; Presencial; EUR 75 000 - 100 000; Tempo integral

Vantagens oferecidas por esta oferta de emprego

Health insurance

Mental health support

22 vacation days

Hybrid/remote options

Modern office

Device of choice

Learning budget

Snacks and drinks

Family friendly culture

Resumo da oferta

NFON AG in Lisbon is seeking a Senior Database Administrator to help build, optimize, and secure our real-time database platform behind cloud communication solutions. You will design, deploy, and operate MariaDB clusters and drive automation across Kubernetes environments.

You will collaborate with infra, platform, and development teams to ensure reliability for hundreds of thousands of users, with exposure to incident management and on-call rotations and focus on performance, security, and data

Qualificações

• Several years of experience administering MariaDB in highly available production environments.
• Strong expertise in SQL, query optimization, and database performance tuning.
• Experience with PostgreSQL or another relational database system.
• Scripting and automation skills using Bash, Python, or Perl.
• Experience with Infrastructure as Code and automation of operational processes.
• Solid understanding of IT security, compliance, and high-availability concepts.
• Structured and analytical mindset with ownership and collaboration.
• Ideally experience with Kubernetes, Linux (Debian), NoSQL technologies, or distributed systems.

Responsabilidades

• Design, build, and operate highly available database clusters based on MariaDB.
• Develop and maintain backup, recovery, replication, and high-availability strategies.
• Analyze and optimize SQL queries, database performance, and system scalability.
• Automate database and infrastructure operations using Ansible or Terraform.
• Support development teams with database architecture, data modeling, and integration topics.
• Operate databases in virtualized and containerized environments, including Kubernetes.
• Implement and improve database security, compliance, and encryption standards.
• Contribute to incident management and participate in the 24/7 on-call rotation to ensure platform stability.

Conhecimentos

MariaDB HA

SQL

PostgreSQL

Bash

Python

Ansible

Terraform

Kubernetes

Linux (Debian)

NoSQL

Distributed systems

IT security

Compliance

High availability

Ownership & collaboration

Ferramentas

Terraform

Ansible

Kubernetes

Descrição da oferta de emprego

Your new role

As a Senior Database Administrator (all genders), you will help ensure the stability, scalability, and security of the database platform behind our cloud communication solutions. You will work on highly available, business-critical real-time systems and contribute to the continuous evolution of our infrastructure landscape. Together with infrastructure, platform, and development teams, you will shape modern database architectures and drive automation across our environments. Your work will have direct impact on the reliability and performance experienced by hundreds of thousands of users.

The work you‘ll do

• Design,build, andoperatehighly availabledatabase clusters based on MariaDB.
• Develop andmaintainbackup, recovery, replication, and high-availability strategies.
• Analyze andoptimizeSQL queries, database performance, and system scalability.
• Automate database and infrastructure operations using tools such as Ansible or Terraform.
• Support development teams with database architecture, data modeling, and integration topics.
• Operate databases in virtualized and containerized environments, including Kubernetes.
• Implement and improve database security, compliance, and encryption standards.
• Contribute to incident management andparticipatein the 24/7 on-call rotation to ensure platform stability.

The qualifications you need

• Several years of experience administering MariaDB inhighly availableproduction environments.
• Strongexpertisein SQL, query optimization, and database performance tuning.
• Experience with at least oneadditionalrelational database system, ideally PostgreSQL.
• Good scripting and automation skills using languages such as Bash, Python, or Perl.
• Experience with Infrastructure as Code and automation of operational processes.
• Solid understanding of IT security, compliance, and high-availability concepts.
• Structured and analytical mindset with a high degree of ownership and collaboration.
• Ideally experience with Kubernetes, Linux(Debian), NoSQL technologies, or distributed systems.

What we can offer you

• Enjoy a fair andappropriate salary.
• Comprehensive health insurance coverage for you and your family.
• Professional & confidential mental health support (powered byOpenUp).
• Benefit from 22 vacation days, exceeding the legal-required standard.
• Theoptionto work from home up to 2 days per week.
• Work remotely from anywhere up to 20 days per year.
• Work in a cosy, modern office equipped with top hardware.
• Choose your preferred device: Windows Laptop or MacBook.
• We cover costs for e-learning courses to support your professional development.
• Enjoy organic fruit baskets, a smoothie bar, quality coffee, mate, and more.
• We are "Certified Family Friendly" and support a healthy balance between work, family, and private life.
• Be part of an agile organization where your ideas matter and youhave the opportunity totake charge.

Contact us