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ARHS

Database Administrator

LocationThe Hague, ZH, nl
Typefull-time
SenioritySenior
Experience9+ yrs
Company size1,001–5,000 people
First seenOct 3, 2026 · 1w ago
Verified live1d ago
At a glanceSummarised by Seekless from the posting.
Must have14
Bachelor degree plus 9 years of IT experience
Excellent command of English, at least at B2 level
Minimum of 8 years of experience in complex enterprise environments, tasked with systems administration of large scale general ICT systems
Minimum of 6 years of experience in Database Administration of mission critical production databases with sensitive data in high-security environments
Minimum of 5 years of experience in Database Administration with MariaDB (or MySQL)
Minimum of 5 years of experience with PostgreSQL
Minimum of 2 years experience in Database Administration with Kubernetes
Experience in on-premise, air-gapped environments
Knowledge of Containerized environments with databases and stateful datasets and persistent storage volumes
Knowledge of Containerized environments in relation to High Availability and Disaster Recovery
Knowledge of database management in Containerized environments for performance monitoring, analysis, and optimization
Knowledge of methodologies for conceptual data modelling, physical data modelling, data model normalization, Entity-Attribute-Relationship design
Knowledge of complex enterprise architectures and advanced ICT Solution designs, including Micro Services
Knowledge of ITIL processes for systematic management of complex IT environments
Nice to have14
Minimum of 2 years of experience working with Public or Hybrid Cloud services and solutions (AZURE or AWS)
Minimum of 3 years of experience in Database Administration with technologies for High Availability and Disaster Recovery, Clustering solutions, HAProxy, Patroni, Galera, MaxScale
Experience in Database Administration with Neo4J
Experience in Database Administration with Milvus
Experience in Database Administration with MongoDB
Experience in Database Administration with Cassandra
Experience in working with VMWare virtualization
Experience in Database Administration with Microsoft SQL Server, AlwaysOn Availability Groups, WSFC – Windows Server Failover Clusters
Experience in working with tools and technologies for Implementation of Business Intelligence solutions including ETL, OLAP, PowerBI
Experience in Database Administration with all mentioned DBMSs and technologies for on-premise environments
Experience in development of scripts and solutions for DevOps pipelines, Automated Deployment, Database schema versioning and deployment, Puppet, AzureDevOps/TFS, FlyWay, Bash, Powershell, TerraForm
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
Skills
MariaDB
PostgreSQL
Kubernetes
VMWare
Linux RedHat
CentOS
ServiceNow
SCOM
SolarWinds DPA
Galera
MaxScale
Data Replication
Puppet
AzureDevOps
FlyWay
Bash
Python
Powershell
TerraForm
MySQL
HAProxy
Patroni
Neo4J
Milvus
MongoDB
Cassandra
Microsoft SQL Server
AlwaysOn Availability Groups
WSFC
Windows Server Failover Clusters
PowerBI
NetBackup
Azure
AWS
Company Description
Arηs Group, Part of Accenture, specializes in the management of complex public sector IT projects, including systems integration, informatics and analytics, solution implementation and program management. Our team helps lead clients through digital and information systems design, bringing expertise in a variety of areas ranging from software development, data science and security management to machine learning, cloud, and mobile development.
Arηs Group was acquired by Accenture in July 2024.
Job Description
Database Administration: performing day-to-day Database Administration tasks for various Database Management Systems including: MariaDB, PostgreSQL and others. The following tasks are to be performed:
•
Database server deployment: installing, configuring, patching, upgrading Database Management systems, Database servers, Databases.
•
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.
Qualifications
Mandatory:
Bachelor degree plus 9 years of IT experience
Presents excellent command of English, at least at B2 level
Mandatory:
Minimum of 8 years of experience in complex enterprise environments, tasked with systems administration of large scale general ICT systems
Minimum of 6 years of experience in Database Administration of mission critical production databases with sensitive data in high-security environments
Minimum of 5 years of experience in Database Administration with the following tools and technologies:
•
MariaDB (or MySQL)
Minimum of 5 years of experience with the following technologies:
•
PostgreSQL
Minimum of 2 years experience in Database Administration with the following technologies:
•
Kubernetes
Above mentioned experiences must be in environments:
•
On-premise, air-gapped
Knowledge of Containerized environments with:
•
Databases and stateful datasets:
•
Persistent storage volumes
Knowledge of Containerized environments in relation to:
•
High Availability
•
Disaster Recovery
Knowledge of database management in Containerized environments for:
•
performance monitoring
•
performance analysis
•
performance optimization
Knowledge of methodologies for:
•
Conceptual data modelling
•
Physical data modelling
•
Data model normalization
•
Entity-Attribute-Relationship design
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:
Minimum of 2 years of experience working with Public or Hybrid Cloud services and solutions (AZURE or AWS).
Minimum of 3 years of experience in Database Administration with technologies for:
•
High Availability and Disaster Recovery
•
Clustering solutions
•
HAProxy, Patroni,
•
Galera, MaxScale
Experience in Database Administration with the following technologies:
•
Neo4J
•
Milvus
•
MongoDB
•
Cassandra
Experience in working with the following technologies:
•
VMWare virtualization
Experience in Database Administration with the following technologies:
•
Microsoft SQL Server
•
AlwaysOn Availability Groups
•
WSFC – Windows Server Failover Clusters
Experience in working with tools and technologies for:
•
Implementation of Business Intelligence solutions including ETL, OLAP, PowerBI
Experience in Database Administration with all mentioned DBMSs and technologies:
•
for on-premise environments
Experience in development of scripts and solutions for:
•
DevOps pipelines
•
Automated Deployment
•
Database schema versioning and deployment
•
Puppet, AzureDevOps/TFS, FlyWay
•
Bash, Powershell, TerraForm
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
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