Oracle Data Guard Experts in Germany
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Meet FRATCH Experts in Germany, who have recently used Oracle Data Guard
Kai Pankatz
Last position:
Oracle Project Management and DBA at Scope Solutions AG
- Installation, maintenance and regular upgrade of the DB systems with 19x
- Use of OPatch and RU 19.27 on RHEL 8x, SLES 15.x and Windows
- DBA for DACH and European customers in production and last test environments (e.g. Konrad Adenauer) as well as others in CDB
- Processes via Confluence
- Support in operations for customers SR via Metalink
Matthias Weiss
Last position:
DevOps Engineer at Interhyp AG
- Infrastructure management with Puppet and Terraform for consistent environments
- Maintenance and adaptation of Terraform scripts for Azure cloud deployment
- Migration of database systems and services to the Azure cloud
- Introduction of GitOps with ArgoCD for fully automated deployments
- Adaptation and development of GitHub pipelines for CI/CD workflows
- Creation of Helm Charts for standardized deployments
- Migration of repositories from Bitbucket to GitHub
- Operation and performance optimization of an Oracle 19c grid cluster (RAC, Dataguard)
- Setup and management of MongoDB instances (on-premise and Azure Kubernetes)
- Setup of PostgreSQL clusters in on-premise and Azure Kubernetes environments
- Migration of services, master data, and stored procedures from Oracle to PostgreSQL
- Troubleshooting and performance tuning of complex data infrastructures
- Installation, configuration, and upgrade of Tableau in the productive BI environment
- Development of sanity checks to monitor business processes and application logic
- Adaptation of the backup and recovery strategy to new requirements
- Carrying out disaster recovery and point-in-time recovery
- Technologies used: Oracle 19c RAC Grid Dataguard, PostgreSQL 16, MongoDB, MySQL Cluster, Kubernetes (Azure), Tableau, Puppet, Terraform, ArgoCD, GitHub/Bitbucket, CheckMK, Prometheus, Grafana, Icinga2, Ubuntu/RHEL
Marko Oršolić
Last position:
System Administrator in a 6-person Team at FITS
- System administration of FreeBSD 11, 12 and 13.1 in a secure cloud software solution
- Administration of proxy servers for FITS and its clients, banks and state banks
- Administration of secure internet solutions
- Administration of secure mail solutions and mail gateways
- Administration of Apache 2.4 web servers
- Planning and maintenance of servers and network components in FNT Command
- Incident, change and ticket handling, especially troubleshooting network issues using Splunk and ARS
- Troubleshooting and log file analysis using Splunk Enterprise
- Monitoring with Nagios
- Ordering, provisioning and installation of certificates on Apache web servers, Nginx web servers and load balancers
- Hardware: HP ProLiant DL380 Gen 9 and 10, Cisco Catalyst
- Software: FreeBSD 11, 12 and 13.2, FNT Command, shell scripts, MySQL databases, ServiceNow, ARS, Splunk Enterprise 8.15
Mahdi Fazel
Last position:
Senior Product Designer at Tino 24/7
- German emergency service management software for veterinarians.
- Designed end-to-end scheduling flows for complex availability logic at scale, directly applicable to AI-driven matching flows and multi-state candidate journeys.
- Built the entire design system from scratch, defining component architecture and scalable UI patterns across web and mobile.
- Improved the dashboard via user research and A/B testing, driving a 67% increase in user adoption and 85% boost in client satisfaction.
Mike Krüger
Last position:
Consultant at Capgemini
- Operation, administration, and further development of an Oracle 21c database environment on Oracle Linux, including performance analysis, troubleshooting, and PL/SQL
- Setup and operation of a Kubernetes environment on AWS (EKS)
Skills: Oracle 21c DBA, Oracle Linux, Kubernetes, AWS
Jakub Szepietowski
Last position:
Oracle Consultant at Airline Sector
- Microsoft Azure: design, sizing, and capacity analysis including PoC
- Microsoft Azure: final implementation for migration from on-prem RAC to single instance Data Guard
- Performance tuning and troubleshooting for crew management systems (pilots and briefings)
- Design and implementation of a disaster recovery-aware system based on RAC Extended Cluster and Data Guard
- OEM: Oracle Cloud Control maintenance, installation and upgrades (12.1.0.5 > 13.3 > 13.5)
- OEM: creating an agent golden image with new RU and security fixes for a full-scale environment
- OEM agent upgrade
- OEM: developing custom metric extensions and reports
- OEM: full monitoring setup with template collection and monitoring templates and incident rule configuration
- Upgrades: GI from 11.2.0.4 to 12.1.0.2, to 18.4, to 19.6+
- Upgrades: databases from 11.2.0.2 to 12.1.0.2, to 19.18+
- Redesign and license optimization based on Oracle SE on ODA and DBVisit
- Design of a virtualized platform based on OLVM and license optimization using hard partitioning
- Migration of databases from bare metal to OLVM
Serkan Kaya
Last position:
Operation and Maintenance of Oracle Middleware Products at LBV - Landesamt für Besoldung und Versorgung Baden-Württemberg
- Patch management
- Support in database development
- Installation and upgrades of the following Oracle systems:
- Oracle Analytics Server (6.4)
- Oracle Enterprise Manager Fusion Middleware Control
- Oracle Data Integration Server
- Oracle BI Administration Tool
- Oracle WebLogic
Jürgen Bargmann
Last position:
Database Administrator and Performance Tuning Specialist at ALD Automotive Leasing Deutschland
- Database administration and performance tuning for Oracle databases on AIX 7.1, 7.2 with Oracle 12c and 19c
- Troubleshooting and resolution on RHEL 7
- Automation of operations with UNIX/Linux shell scripts, Perl programs, and PL/SQL
- Planning, preparation, execution, and customer-specific review of changes and upgrades for the LEASMAN and DOXIS applications
- Incident handling including communication with outsourcing service providers and business units
- Data exchange with Data Pump
- Visualization of database content and monitoring results
- Configuration of databases for Debezium and monitoring Debezium activities
- Preparation of Oracle databases for migration to cloud environments
- Implementation and monitoring of NIST requirements in databases
- Automation of release upgrades for the LEASMAN application
- Creation of operations manuals and instructions
- Generation of reports for GDPR information requests
Christopher Eshemokhai
Last position:
Senior Oracle DBA and WebLogic Administrator, Oracle Business Intelligence for Applications
- Oracle databases 11g, 12c and 19c RAC
- Installation, configuration and deployment of Oracle Fusion Middleware 11g & 12c (WebLogic, SOA, Oracle Forms and Report Server, etc., OBIA)
- Administration of Oracle 11g, 12c, RAC and 19c
- Applying patches
- Installation, configuration and deployment of Tomcat
- Oracle tuning
- The system includes several production, QA, test & development Oracle databases and WebLogic application servers 11g & 12c
Adrian Hollay
Last position:
Interim Consultant for Oracle Database Migrations to the AWS Cloud at Bank Deutsches Kraftfahrzeuggewerbe GmbH
- Migration of Oracle databases from on-premise to the AWS Cloud
- Support for technical Oracle solutions and cloud database infrastructures (IaaS and PaaS) RDS vs. EC2, sizing for performance
- Creation and maintenance of DR/HA (Disaster Recovery/High Availability) and backup and recovery policies and procedures (multi-region backup)
- Support for Oracle license selection, Enterprise → Standard migration
- Monitoring database instances
- Implementation and maintenance of database security (wallet, SSL)
- Patch management and version control
- Automated installation and configuration of Oracle databases using Terraform and Ansible
Mahmoud Reda
Last position:
Database Administrator at Deutsche Pfandbriefbank
- Provision and operation of Oracle databases within the agreed service levels.
- Storage administration using Oracle ASM feature.
- Oracle Grid Infrastructure and database patching.
- Ensure SLAs and operational KPIs are met, coordinating internal and external support during major incidents.
- Create and exercise reliable backup strategies and periodic restorations.
- Plan and execute migrations from non-multitenant to multitenant architectures and consolidate databases into multiple containers.
- Configure Oracle database authentication with Kerberos.
- Deploy and administer Azure Database for PostgreSQL (Flexible Server) including configuration, scaling, and high availability setup.
- Migrate on-premises PostgreSQL databases to Azure using pg_dump/pg_restore, pg_dumpall, and Azure Database Migration Service.
- Configure backup and point-in-time restore policies for compliance and recovery objectives.
- Implement monitoring and alerting with Azure Monitor, Log Analytics, and custom dashboards.
- Perform query performance tuning by analyzing execution plans, optimizing indexes, and adjusting parameters (work_mem, shared_buffers, autovacuum).
- Collaborate with developers to implement schema design improvements, partitioning, and connection pooling (PgBouncer) for scalability.
Andreas Bode
Last position:
Oracle Applications DBA at Pyur
- EBS 12.1 to 12.2.11 upgrade (DB 12 to 19)
- Cloning process automation
- HTTPS migration
- Performance analysis and performance tuning
- Error analysis
- Cloning
- Patching
- Backup and recovery concept analysis and evaluation
- Disaster recovery tests
Eric Ndengang Foyet
Last position:
Data Engineer at Creditsafe Deutschland GmbH
Werner Hendricks
Last position:
Insurance
- Migrations of DB2 databases to Oracle
- Design and creation of new databases based on ODA X7-HA / X9-HA RAC 12cR2 - 19.23 / Data Guard / Grid Infrastructure 19c
- Hardware: ODA X7 X9 / IBM
- Software: Oracle 12c-19.23 / Oracle Linux Enterprise 7.1–8.8
Sebastian Dörr-Willken
Last position:
Senior IT System Administrator at LKA Thuringia
Discover over 15,000 top freelancers
Statistics of experts using Oracle Data Guard
Aggregated from the professional profiles of matched freelancers.
Experience
23 years
Position duration
3 years
Positions per freelancer
19
Top business areas
Information Technology, Operations, Project Management
Top industries
Information Technology, Banking and Finance, Government and Administration
Certification focus areas
Information Technology, Business Intelligence, Operations
Bachelor's degree or higher
73%
Master's degree or higher
45%
Certifications per freelancer
3
Most common languages
English, German, French
Speak two or more languages
100%
Based on our profile pool as of 30 Aug 2026.
Daily rate distribution
The chart shows how the daily rates of freelancers in this technology in Germany are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows how many freelancers charge within that range.
Average rates of experts in Germany using Oracle Data Guard
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 30 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
About the technology
Data protection
Oracle Data Guard protects Oracle Database by maintaining standby databases that can take over if the primary system fails. It is used to keep critical data available, support disaster recovery, and reduce downtime during planned maintenance. In Germany, it is common in regulated, high-availability environments.
Core tasks
- Set up physical or logical standby databases
- Configure redo transport and apply
- Plan switchover and failover procedures
- Tune lag, apply health, and role transitions
Strong specialists know how to keep primary and standby systems consistent without slowing the production workload. They also understand broker-based administration, protection modes, and how to test recovery without disrupting business users.
Ecosystem fit
Oracle Data Guard sits inside the wider Oracle Database stack and is often paired with RAC, RMAN, and Oracle Enterprise Manager. Professionals working with it also need solid skills in storage, networking, backup design, and Linux or Unix operations. That mix matters when the goal is stable recovery, not just a working demo.
When to bring in help
Companies usually bring in freelance expertise when a new standby environment must be built, an existing setup needs review, or failover tests have exposed weak points. It is also common during upgrades, data center moves, and recovery planning for ERP, finance, or core transaction systems. The best experts document every role transition clearly.
Strong specialist profile
A strong Oracle Data Guard specialist works carefully, tests often, and understands failure modes before they happen. They can read alert logs, review network paths, validate archived redo flow, and explain the operational impact of each protection mode. Clear communication is just as important as configuration skill.
Germany delivery
For teams in Germany, Data Guard work is often done remotely with targeted on-site sessions for cutovers, audits, or recovery drills. Many projects need English for the technical work, while German can help with stakeholder reviews and operations handover. Good freelancers adapt to both without friction.
Frequently asked questions
Before you brief your next project: the most common questions about Oracle Data Guard.
Oracle Data Guard is used to keep Oracle Database available through standby databases that can assume the workload after a failure or during maintenance. It is a core choice for disaster recovery, high availability, and controlled switchover planning. Companies use it when database continuity matters more than simple backups alone.
Oracle Data Guard protects against site-level failure by maintaining a separate standby database, while RAC focuses on cluster availability for a single primary system. RMAN is a backup and restore tool, not a replication and failover solution. In many Oracle environments, the three are used together, but they solve different problems.
A strong Oracle Data Guard specialist usually understands Oracle Database internals, SQL, backup and recovery, and Linux or Unix administration. Networking and storage knowledge also help, especially when redo transport, latency, or archive handling becomes the bottleneck. For larger environments, experience with Oracle Enterprise Manager and RAC is useful too.
A simple Oracle Data Guard review may need only a focused specialist, but a full design, build, and cutover needs someone who has handled real failover events before. The more critical the database, the more important it is that the expert has worked through testing, rollback planning, and recovery validation. Production-only experience matters here.
Yes, most Oracle Data Guard tasks can be handled remotely because the work is usually configuration, review, and testing. On-site time can still help for major switchover events, change windows, or stakeholder workshops in Germany. Many teams use a mixed setup and keep local access available for the final cutover.
Ask whether the Oracle Data Guard expert has built both physical and logical standby setups, tested failover, and handled broker configuration. You should also ask how they validate redo transport, monitor apply lag, and document recovery steps for operations teams. Clear answers are a good sign that the person has done more than follow a guide.
A Data Guard environment often needs outside help when standby apply falls behind, switchover tests fail, or the team is unsure how to recover after a role change. Repeated alert log warnings and unclear ownership are also signs that the design or runbook needs review. That is usually the right time to bring in a specialist.
For many Oracle workloads, Oracle Data Guard remains the standard approach for standby protection and disaster recovery. It is especially relevant when the database already runs on Oracle and the business needs controlled failover, strong consistency, and clear operational procedures. The key is matching the design to the recovery target, not just adding replication.
The average hourly rate of freelancers in Germany who have used Oracle Data Guard in their recent projects is 96 €, which corresponds to a daily rate of about 768 € based on an 8-hour working day.
Of the freelancers in Germany who have used Oracle Data Guard in their recent projects, 73% hold at least a Bachelor's degree and 45% hold at least a Master's degree.
On average, freelancers in Germany who have used Oracle Data Guard in their recent projects have 23 years of professional experience, with a single engagement typically lasting around 3 years.
The most common languages among freelancers in Germany who have used Oracle Data Guard in their recent projects are English (100%), German (93%), and French (47%).
The most common industries among freelancers in Germany who have used Oracle Data Guard in their recent projects are Information Technology (100%), Banking and Finance (93%), and Government and Administration (60%).
The most common business areas among freelancers in Germany who have used Oracle Data Guard in their recent projects are Information Technology (100%), Operations (80%), and Project Management (67%).
Main locations of FRATCH Experts, who have recently used Oracle Data Guard
Our freelancers and interim experts are at home across the DACH region — available on-site in the major business hubs or fully remote. Choose a location to discover matched specialists, local market insights and up-to-date availability.
Berlin Hamburg Munich Cologne Frankfurt Stuttgart Dusseldorf Leipzig Dortmund Essen Bremen Dresden Hanover Nuremberg Request a free demo
Get in touch with the FRATCH team and we will get back to you within 4 hours.
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We always have the time for a call or email!
Philipp Thomaschewski
FRATCH CEO
