Database Administrator

Brevco Services; Den Haag; Hybrid; EUR 90,000 - 130,000; Full time

Job summary

Brevco Services is seeking a senior Database Administrator to manage complex enterprise databases in virtualized and containerized environments. You will ensure data security, perform backups, and optimize performance across Linux/Windows stacks.

The role requires extensive experience with MariaDB/MySQL, VMware, and BI tools, with a focus on High Availability and Disaster Recovery in on-premise or hybrid setups.

Qualifications

• 8+ years in complex enterprise environments with systems administration responsibility.
• 6+ years in Database Administration for mission-critical production databases.
• 5+ years in Database Administration with listed tools/technologies.
• Experience in on-premise, air-gapped environments.
• Knowledge of containerized environments with databases and stateful datasets.
• Knowledge of ITIL processes and enterprise IT architecture.

Responsibilities

• Database administration in virtualized (VMWare) environments.
• Database administration in containerized environments (Kubernetes).
• Enforce security policies and audit access to sensitive databases.
• Incident/Change/Release management following ITSM processes.
• Health monitoring, backups, and performance tuning of DBMS and OS.
• Business continuity with High Availability and Disaster Recovery.
• DevOps pipelines for database changes and automation scripting.
• Data modelling and change management across environments.
• Coordinate with multiple teams for troubleshooting and resolution.

Skills

Enterprise IT experience

Systems administration

Large-scale ICT systems

Database administration

Mission-critical DBs

High-security environments

VMware virtualization

Containerized environments

BI/ETL/OLAP

PowerBI

Education

Bachelor's degree or higher

Tools

MariaDB/MySQL

VMware virtualization

Galera/MaxScale

Puppet

FlyWay

PowerBI

SCOM

NetBackup

Azure

AWS

Job description

· Level of education corresponding to the category requested

· 8+ years of experience in complex enterprise environments, tasked with systems administration of large scale general ICT systems

· 6+ years of experience in Database Administration of mission critical production databases with sensitive data in high-security environments

· 5+ years of experience in Database Administration with the following tools and technologies:

· 5+ years of experience with the following technologies:

· 2+ years experience in Database Administration with the following technologies:

· Above mentioned experiences must be in environments:

ü On-premise, air-gapped

· Knowledge of Containerized environments with:

ü Databases and stateful datasets

· Knowledge of Containerized environments in relation to:

· Knowledge of database management in Containerized environments for:

· Knowledge of methodologies for:

· Knowledge of complex enterprise architectures and advanced ICT Solution designs, including Micro Services

· Knowledge of ITIL processes for systematic management of complex IT environments

Desirable Qualifications/Experience:

· 2+ years of experience working with Public or Hybrid Cloud services and solutions (AZURE or AWS)

· 3+ years of experience in Database Administration with technologies for:

ü High Availability and Disaster Recovery

· Experience in Database Administration with the following technologies:

· Experience in working with the following technologies:

ü VMWare virtualization

· Experience in Database Administration with the following technologies:

· Experience in working with tools and technologies for:

ü Implementation of Business Intelligence solutions including ETL, OLAP, PowerBI

· Experience in Database Administration with all mentioned DBMSs and technologies:

ü for on-premise environments

· Experience in development of scripts and solutions for:

· Knowledge of Agile methodologies and processes for bridging ICT Development and Operations

· Knowledge of technologies related to ICT data centres, infrastructure, security, storage, networking, service management

· Knowledge of advanced concepts and technologies in the area of Data Analytics, Machine Learning, Artificial Intelligence

DUTIES/ROLE:

· Database administration in Virtualized environments: database administration in virtual environments, e.g. VMWare, and virtual machine administration of operating systems underlying the DBMSs, including Linux RedHat, CentOS.

· Database administration in Containerized environments: database administration in containerized environments including Kubernetes

· Security management: Enforce data security and data protection policies by managing security and database access, identifying and auditing user access of sensitive databases in compliance with procedures and regulations.

· Incident management:follow structured processes for rapidly detecting, diagnosing, and resolving service disruptions to restore availability and ensure data integrity. Manage incidents using ITSM tools, e.g. ServiceNow

· Change and Release management: follow controlled processes for planning and validation for deploying releases of new database systems or changes to existing database into (pre-)production environments, minimizing downtime and preventing data loss.

· Health monitoring: defining, gathering, managing metrics for monitoring databases, operating systems and servers to ensure systems remain healthy; checking error logs, system events, database events, disk space and storage events use monitoring tools including SCOM to identify, prevent and resolve issues.

· Database maintenance: installing, configuring, scheduling, monitoring Database Jobs for Backups, Integrity checks, Index maintenance, Update Statistics, etc.

· Backup and recovery: define, create, schedule database backup plans and strategy, ensure restorability, integrate Database-level backups with Operating System-level backup systems like NetBackup, manage Data Retention.

· Performance monitoring, tuning, and optimization: define and gather critical performance metrics for DBMSs and OSs to ensure fast database performance using tools like SolarWinds DPA; assess data access patterns and query plans for improving performance by tuning and optimizing database queries.

· Business Continuity: ensure to meet SLAs by configuring High Availability & Disaster Recovery, defining, implementing, configuring, monitoring technologies including Galera, MaxScale, and Data Replication.

· DevOps: define, create, implement DevOps pipelines for deploying database changes into production using Puppet, AzureDevops, FlyWay.

· Automation: define, implement, schedule, monitor scripts for automation of repetitive, recurring tasks using Bash, Puppet, Python, Powershell, etc.

· Data modelling: design, reverse engineer, document conceptual and physical database models and define and update standard operating procedures.

· Change management: implement database Changes and Releases into production and other environments, in compliance with standards and procedures.

· Coordination: Coordinate and/or participate with multiple teams to coordinate activities from Development, Architecture, Applications, Security, Networks, and Service Management in case of troubleshooting and problem resolution.

· Communication: communicate opposing views to stakeholders and facilitate compromise solutions, display and enable teamwork.

· Training and Knowledge Transfer: Provide technical training or knowledge transfer to internal teams, ensuring smooth handovers and self-sufficiency in routine tasks.

· Assigned ticket handling: Promptly address incident and change tickets assigned through the ITSM tool, ensuring they are handled immediately upon assignment. This includes following up, prioritizing tasks, and resolving them within the established timeframes and according to SLAs.

Job requirements

All the mandatory requirements have to be met in order to apply.

• Level of education corresponding to the category requested (Mandatory)

• 8+ years of experience in complex enterprise environments, tasked with systems administration of large scale general ICT systems (Mandatory)

• 6+ years of experience in Database Administration of mission critical production databases with sensitive data in high-security environments (Mandatory)

• 5+ years of experience in Database Administration with the following tools and technologies: (Mandatory)

MariaDB (or MySQL) (Mandatory)

• 5+ years of experience with the following technologies: (Mandatory)

• 2+ years experience in Database Administration with the following technologies: (Mandatory)

• Above mentioned experiences must be in environments: (Mandatory)

• Knowledge of Containerized environments with: (Mandatory)

Databases and stateful datasets (Mandatory)

• Knowledge of Containerized environments in relation to: (Mandatory)

High Availability (Mandatory)

Disaster Recovery (Mandatory)

• Knowledge of database management in Containerized environments for: (Mandatory)

performance monitoring (Mandatory)

performance analysis (Mandatory)

performance optimization (Mandatory)

• Knowledge of methodologies for: (Mandatory)

• Knowledge of complex enterprise architectures and advanced ICT Solution designs, including Micro Services (Mandatory)

• Knowledge of ITIL processes for systematic management of complex IT environments (Mandatory)

• 2+ years of experience working with Public or Hybrid Cloud services and solutions (AZURE or AWS) (Nice to have)

• 3+ years of experience in Database Administration with technologies for: (Nice to have)

High Availability and Disaster Recovery (Nice to have)

Clustering solutions (Nice to have)

HAProxy, Patroni, (Nice to have)

Galera, MaxScale (Nice to have)

• Experience in Database Administration with the following technologies: (Nice to have)

Neo4J (Nice to have)

Milvus (Nice to have)

MongoDB (Nice to have)

• Experience in working with the following technologies: (Nice to have)

VMWare virtualization (Nice to have)

• Experience in Database Administration with the following technologies: (Nice to have)

Microsoft SQL Server (Nice to have)

AlwaysOn Availability Groups (Nice to have)

WSFC – Windows Server Failover Clusters (Nice to have)

• Experience in working with tools and technologies for: (Nice to have)

Implementation of Business Intelligence solutions including ETL, OLAP, PowerBI (Nice to have)

• Experience in Database Administration with all mentioned DBMSs and technologies: (Nice to have)

for on-premise environments (Nice to have)

• Experience in development of scripts and solutions for: (Nice to have)

DevOps pipelines (Nice to have)

Automated Deployment (Nice to have)

Database schema versioning and deployment (Nice to have)

Puppet, AzureDevOps/TFS, FlyWay (Nice to have)

Bash, Powershell, TerraForm (Nice to have)

• Knowledge of Agile methodologies and processes for bridging ICT Development and Operations (Nice to have)

• Knowledge of technologies related to ICT data centres, infrastructure, security, storage, networking, service management (Nice to have)

• Knowledge of advanced concepts and technologies in the area of Data Analytics, Machine Learning, Artificial Intelligence (Nice to have)

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