Access Control List Experts in Frankfurt
in minutes from over 15,000 CVs with the power of AIHire experts who design and review ACL rules, file permissions, network filters, and resource-level access models. They tighten authorization logic, reduce overexposure, and fit into existing security and infrastructure work with fast, precise matching of vetted, available freelancers.
Meet FRATCH Experts in Frankfurt, who have recently used Access Control List
Firas Jradi
Last position:
Interim Management Group Head of IT Governance & IAM at French-German Private Bank
- Head of the group-wide, international, and cross-functional IT Governance & IAM department within the central IT division of a large French-German private banking group. Disciplinary management of around 30 employees at five different locations within the group (Frankfurt, Paris, Tunis, Saarbrücken, Düsseldorf). Head of IT committees and key role in direct communication with management, the supervisory board, external stakeholders, and regulators.
- Definition and establishment of a state-of-the-art IT strategy process and related IT governance structures for the group's IT department with more than 600 employees (testified by the German Federal Financial Supervisory Authority and the ACPR) and successful process run.
- Establishment of a new future-oriented process framework for IT and necessary governance structures (process squads) for the continuous improvement of IT processes with regard to new regulatory requirements (including DORA, EU AI Act, etc.).
- Establishment of stringent processes to close a historical backlog of findings (> 100 IT findings, 40 overdue findings in 2022) from internal and external auditors (WP, ACPR, BaFin). Successful reduction of stock of overdue findings to 0 at the end of 2025.
- Supporting more than 20 IT audits per year and establishment of regulatory monitoring processes. Introduction of ServiceNow to revolutionize regulatory change and IT compliance processes with advanced AI functionalities.
- Realignment of IT control processes in conjunction with the newly established ICT risk function under DORA and the three lines of defense concept using the TopEase GRC solution.
- Reduction of the application landscape, by systematically analysing the purpose with application and business owners, identifying duplicates while implementing a One-Tool Strategy throughout the group. Successful reduction of one third of the application landscape within the CMDB.
- Onboarding of all group applications into One Identity's group-wide IAM solution, as well as operation and further development of the solution in connection with segregation of duties (SoD), role-based access management (RBAC), etc.
Ali Aminian
Last position:
Platform Engineer & Software Architect at Yatta GmbH
- Architected the Yatta Integration Layer – a config-driven integration platform on Java 25, Spring Boot 4 (WebFlux), Temporal, gRPC and Kafka, enabling new third-party integrations (e.g. AVS fulfillment) via declarative JSON configs with zero code changes.
- Designed and implemented Tink integration with 0Auth IBAN verification to enhance fraud prevention and account validation workflows with Adyen payByBank.
- Architected and implemented an OpenFGA-based authorization model for centralized management of users, groups, and fine-grained access control in the vendor portal.
- Architected and led delivery of the Yatta API Gateway platform using GraphQL Federation, providing a unified enterprise API layer across distributed microservices with centralized authentication, authorization and request orchestration.
- Replaced NGINX + NLB with Istio service mesh and AWS ALB; rolled out WAF, OAuth (Cognito), IP whitelisting and RBAC across environments.
- Migrated CDC from Confluent Cloud connectors to a self-hosted Kafka Connect + Debezium stack, reducing operational cost by ~80% across multiple environments.
- Implemented the Transactional Outbox pattern with Debezium for reliable, exactly-once event publishing to Kafka with Avro and Schema Registry.
- Migrated dunning/payment-recovery workflows from Airflow to Temporal, achieving 99.9% reliability for settlement handling.
- Optimised Apache Airflow with deferrable sensors to handle 1000+ concurrent DAG runs without scaling the worker pool.
- Refactored a monolithic Terraform codebase into 3 modular projects, cutting deployment time by ~45%.
- Stood up full observability with OpenTelemetry, Tempo, Prometheus and Loki; automated dev/staging/prod with ArgoCD, Image Updater and Helm.
- Collaborated with product, operations and engineering stakeholders to define scalable platform architecture and integration standards aligned with long-term business and operational goals.
Tan Pham
Last position:
DevOps Engineer in the DevOps Team at Rise-World
- Implementation of specified DevOps solutions to automate infrastructure (Terraform, Bicep, CloudFormation, Ansible) on-premises datacenter (Ovirt, Proxmox, Ceph Cluster, MinIO) and private cloud.
- Administration, configuration and implementation of CI/CD DevOps pipelines (GitLab, GitFlow) to support development process (Artifactory, Prometheus, Istio, service mesh, Helm Chart, OpenShift (Red Hat Enterprise) / Kubernetes cluster), Red Hat Satellite.
- Administration, setup, monitoring and patching of Linux infrastructure based on Red Hat Enterprise for Dev, Test and QA.
- Use of Scrum and Kanban methods.
- Administration, configuration and implementation of security standards for deploying on Dev, Test, QA and Prod stages of the new ePA applications.
- Development of new plugins and add-ons needed on current infrastructure.
- Database support.
- Data analytics support (Python, Spark, Pandas, Power BI, Splunk Enterprise).
- Implementation of best practices for DevSecOps and BizDevOps using GitOps (ArgoCD), Streamlit framework, Semaphore Ansible UI.
- Configuration and testing of iperf, uperf, sysbench using benchmark-operator for external source data and IoT/MDM devices, creating reports via ELK / OpenSearch.
- Building a new Databricks platform to collect and analyze big data from different sources and IoT devices into Hadoop framework (Python, Pandas, PySpark, Power BI, Apache Airflow).
- Building backend data aggregation and processing to automate configuration deployment between different OpenShift clusters and big data framework (Python, Pandas, PySpark, Apache Spark, PostgreSQL, Django 2, Ansible Automation, Jira JSM).
- Building a new ML pipeline platform using Kubeflow, TensorFlow, KServe.
- Data extraction, transformation and loading from different data sources including structured and unstructured data to analytic DWH / big data cluster using Python, Pandas, Polars, Power BI, Django backend and PostgreSQL.
- Setup of new DevOps Test and QA HashiCorp Vault cluster for PKI and IAM.
- Configuration and testing of automated patching based on CVSS score, SIEM-integrated CVEs.
- Use of Nexpose and InsightVM to scan vulnerability events in network, host, container and application.
- Design and implementation of secure and scalable AWS architectures including VPC, EC2, S3, RDS and Route53 and similar setups on Azure and GCP.
- Automated system provisioning and deployment using CloudFormation templates.
- Configuration of IAM roles, policies and permissions to ensure secure access control.
- Patch management, backup automation and disaster recovery setup on AWS infrastructure.
- Monitoring and optimization of system performance using AWS CloudWatch and AWS Trusted Advisor.
- Support of VMware services (vSphere, Aria, Horizon) and the virtual desktop environment.
- Development and maintenance of CI/CD pipelines using Jenkins, GitLab CI/CD and AWS CodePipeline with interface to Nutanix.
- Configuration of AWS CloudWatch to monitor application performance and system events.
- Planning and execution of migration of on-premises applications to AWS cloud platforms.
- Deployment of containerized applications using Docker and Kubernetes in AWS environments.
- Deployment of internal software packages between availability zones using AWS CodeDeploy.
- Building and deploying ML models using Scikit-learn, XGBoost and Spark MLlib including hyperparameter tuning, model evaluation and production deployment.
Guido Krauß
Last position:
IT Consultant / Owner at Guido Krauß IT-Consulting
Self-employed consulting, implementation, and support of IT infrastructures with a focus on IT security, network and server administration, virtualization, backup & recovery, IT documentation, asset management, and business continuity management.
- IT security consulting and implementation of technical protective measures
- Windows server and client support, patch management, user support
- M365 – Entra ID – MS Azure administration
- Planning, installation, and operation of LAN, WAN, WLAN, and VLAN infrastructures, Cisco, HP, Netgear, Sophos, Securepoint
- Support of virtual systems based on Hyper-V, VMware, and Proxmox
- Backup and recovery concepts including test recovery, documentation, and handover
- Introduction and maintenance of IT documentation, asset management, and inventory tracking
- Implementation of measures related to IT baseline protection, emergency manuals, and BCM
- On-/offboarding concepts with a focus on permissions, devices, data access, and handover processes
Security awareness and practical sensitization of users and IT staff
Ashkan Zadeh
Last position:
Microsoft Azure Senior Data Engineer / Senior Data Scientist at Vattenfall Europe
- Advising on the use of analytics and BI tools and services in the Microsoft Azure stack (e.g. MS Fabric, Synapse Workspaces and dedicated SQL pools, SQL Database, PostgreSQL, Snowflake, Databricks, Data Factory, SSIS, Analysis Services, Function Apps, Power BI, ML)
- Independently designing analytics solutions with Python, SQL, etc.
- Designing and implementing ETLs and data pipelines
- Creating and maintaining APIs
- Independently applying CI/CD, testing, and version control
- Data modeling
- Model development and optimization
- Anomaly detection with AI
- Predictive analytics
Used technologies:
- Snowflake
- Fabric
- Azure Synapse Analytics
- Azure DataFactory
- Azure Data Lake
- Azure DevOps
- Databricks
- Spark
- CI/CD
- SQL Database
- Python
- Power Platform
Jin-Ho Yun
Last position:
Server Migration Consultant at Unknown Client
- Linux server migrations: planning and execution of the migration with SLES Linux deployment of VMs in VMware 8.0
- Guiding colleagues on configuring Linux VMs with vSphere Auto Deploy
- Application operations: ensuring smooth operation of applications on migrated servers
- Operations manuals: revising existing manuals, updating and creating new ones as needed
- Reviewing service offers: adjusting and optimizing service offerings of external providers
- Logistics software, Red Hat Linux, Ansible, Confluence / Jira
Peter Voloshin
Last position:
IT Consultant at Evotec KG
- Operation and administration of Windows 2016 / 2019 servers and domains
- Infrastructure services (Active Directory, ADFS, AD Azure Connect, DHCP, DNS, Group Policies)
- Consulting, support and troubleshooting of customer systems
- Documentation and concept design in the area of MS Active Directory
- Updating operation, process and system documentation
- Ticket handling (remote analysis and resolution via incident, change and problem management)
- Technologies: Windows 2022, Active Directory, ADFS, AD Azure Connect, DHCP, DNS, GPO, VMware vSphere, CheckMK, Exchange 2019, PowerShell, Jira, Confluence, Office 365, Matrix42, NetApp, Ansible
Adil Sultan
Last position:
Mobile/Backend Developer at Freelance
- Built a cross-platform mobile application using React Native that interacts with IoT devices via RESTful APIs
- Implemented state management with Redux and integrated IoT-specific components for smooth data visualization and device control
- Developed RESTful APIs using Node.js and Express, utilizing MongoDB for scalable data storage
- Facilitated secure communication between the mobile app and IoT devices, enabling device onboarding, status monitoring, and control commands
- Implemented real-time data synchronization and optimized data flow to minimize latency
Rohith Radhakrishnan
Last position:
Senior Software Engineer at Clark GmbH
- Upgraded Ruby from 2.7 to 3.1, boosting application performance by 30% and reducing technical debt.
- Integrated Zendesk Messenger into the customer support platform, streamlining communication workflows and increasing support efficiency by approximately 25% through faster response times and improved issue resolution.
- Orchestrated the migration of 65,000+ Schutzklick customer records to a new cloud platform, achieving zero downtime and accelerating data access speeds by 40% for internal teams.
- Implemented JumpCloud SSO for 500+ admin users, strengthening platform security and access control.
- Conducted k6 load testing, enabling the platform to support 10,000+ concurrent users without degradation.
Funda Toprakci
Last position:
Senior Business Consultant at Bethmann Bank AG
Ad-hoc support in settlement for derivatives
Settlement of ETD (futures & options), OTC (DTGs), give-up/take-up etc.
Position and account reconciliation
Coordination with trading, Eurex, UBS AG and asset management
New setup of classes for options and series
Support of the Securities & Operations unit for EMIR REFIT
Advisory for project management of EMIR REFIT and support for implementation
Communication and coordination with the software vendor to clarify business issues
Main responsibility for creating the test concept for go-live on 29.04.2024 (Phase I) and bug fixes/cleanup actions (Phase II)
Active support during go-live: creation of transaction, valuation and collateral reports; migration of the position report; defect management and bug fixing
Inventory of cleanup Phase II
Business test case creation for EMIR REFIT functionalities and coordination with IT teams and the business unit
Creation and updating of training documents and work instructions for OBS modules WPS and GDH
Discover over 15,000 top freelancers
Statistics of experts using Access Control List
Aggregated from the professional profiles of matched freelancers.
Experience
24 years (Germany: 17 years)
Position duration
2.1 years (Germany: 1.9 years)
Positions per freelancer
19 (Germany: 13)
Top business areas
Information Technology, Project Management, Operations
Top industries
Information Technology, Banking and Finance, Automotive
Certification focus areas
Information Technology, Business Intelligence, Product Development
Bachelor's degree or higher
80% (Germany: 89%)
Master's degree or higher
50% (Germany: 49%)
Doctorate
10% (Germany: 5%)
Certifications per freelancer
6 (Germany: 5)
Most common languages
German, English, French
Speak two or more languages
100% (Germany: 99%)
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 Frankfurt 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 Frankfurt using Access Control List
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
What ACL means
Access Control List, often called ACL, defines who can read, write, or manage a resource. It is used in operating systems, routers, storage systems, cloud services, and application security to enforce authorization at a fine-grained level.
Where it is used
- File and folder permissions
- Network traffic filtering
- Cloud and API access rules
- Shared storage and object permissions
- Identity and privilege reviews
Skills that matter
Strong specialists understand permission models, deny and allow rules, inheritance, and rule order. They also know how ACLs interact with roles, groups, IAM policies, and audit logs.
Common project work
Companies bring in freelance help when ACL rules are inconsistent, too broad, or hard to audit. In Frankfurt, that often comes up in regulated environments, enterprise networks, and systems that must balance access control with operational speed.
What good experts deliver
Good professionals map current access paths, remove hidden exceptions, and document the final rule set. They test edge cases, verify least-privilege behavior, and make sure changes do not break legitimate access.
Adjacent technologies
ACL work often sits next to IAM, RBAC, LDAP, Active Directory, firewall policy, and cloud security tooling. The best specialists can explain where ACLs fit, where they are too rigid, and where a broader policy model is better.
Frequently asked questions
Everything clients usually want to know about Access Control List, in one place.
An Access Control List is used to decide which users, groups, or systems can access a resource and what they can do with it. It is common in file systems, network devices, cloud storage, and application authorization. The goal is simple: allow the right access and block the rest.
No. ACL and RBAC solve related but different problems. ACLs assign permissions directly to users or groups on a specific resource, while RBAC uses roles as an abstraction layer. Many systems use both, so a freelancer should understand how they combine.
Bring in a Access Control List specialist when permissions are hard to trace, access is too broad, or rule changes are causing risk. It also helps when migrations, audits, or incident reviews reveal unclear authorization paths. A good specialist can clean up the rule set without disrupting daily work.
A strong ACL freelancer usually understands IAM, directory services, firewall policy, logging, and cloud security basics. Knowledge of Linux permissions, network segmentation, and audit trails is also useful. These skills help them see the full access path, not just one rule set.
A Access Control List expert needs enough context to know the resource types, trust boundaries, and approval process. For a clean-up project, they should also see current policies, exception handling, and any inherited rules. The more complex the environment, the more important discovery work becomes before changes are made.
Yes, most ACL work can be done remotely if the expert can review policies, logs, and configuration safely. On-site time can help during sensitive audits, internal workshops, or when access changes touch multiple teams. For many Frankfurt companies, a mixed setup works well.
Look for clear explanations, careful rule analysis, and a habit of documenting exceptions. A strong Access Control List professional can show how they reduced overlap, removed unused entries, and tested that legitimate access still works. They should also be able to explain trade-offs in plain language.
File-based ACLs control access to folders, files, and sometimes objects in storage systems. Network ACLs control traffic moving in or out of a subnet, interface, or device. The principles are similar, but the enforcement point and the risk profile are different.
The average hourly rate of freelancers in Frankfurt, Germany who have used Access Control List in their recent projects is 119 €, which corresponds to a daily rate of about 949 € based on an 8-hour working day.
Of the freelancers in Frankfurt, Germany who have used Access Control List in their recent projects, 80% hold at least a Bachelor's degree, 50% hold at least a Master's degree, and 10% hold a doctorate.
On average, freelancers in Frankfurt, Germany who have used Access Control List in their recent projects have 24 years of professional experience, with a single engagement typically lasting around 2.1 years.
The most common languages among freelancers in Frankfurt, Germany who have used Access Control List in their recent projects are German (100%), English (100%), and French (20%).
The most common industries among freelancers in Frankfurt, Germany who have used Access Control List in their recent projects are Information Technology (100%), Banking and Finance (70%), and Automotive (50%).
The most common business areas among freelancers in Frankfurt, Germany who have used Access Control List in their recent projects are Information Technology (100%), Project Management (80%), and Operations (70%).
Main locations of FRATCH Experts, who have recently used Access Control List
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 
Munich 
Cologne Request a free demo
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Philipp Thomaschewski
FRATCH CEO
