Firewall Experts in Berlin
matched in minutes from over 15,000 CVsHire experts who design secure network boundaries, configure next-generation firewalls and connect protection with cloud, VPN and identity systems. FRATCH finds the right vetted, available freelancer quickly through precise AI matching.
Meet FRATCH Experts in Berlin, who have recently used Firewall
Mahboobeh S.
Last position:
Senior Analytics Engineer at Jadoosoft
Engaged as an independent BI consultant for a FinTech SaaS platform, building and maintaining the end-to-end Microsoft Azure and Fabric analytics stack behind a multi-tenant accounting product used by business owners to track their own financial performance.
- Partnered with finance stakeholders to translate complex accounting workflows into real-time BI dashboards (P&L, Cash Flow, Balance Sheet), helping 2000+ business owners track cash flow and overall financial health effortlessly.
- Developed 10+ interactive dashboards, giving each business owner personalized, real-time visibility into their own sales performance, accounts receivable aging, and operational costs.
- Enforced strict enterprise data governance by implementing dynamic Row-Level Security (RLS) via DAX to isolate each business owner's data within the shared multi-tenant model.
- Maintained and extended an Azure ELT pipeline (Azure Data Factory, Azure SQL Database, Azure Synapse) that automated data ingestion and transformation.
- Contributed to a team-wide platform migration from Azure to Microsoft Fabric to optimize capacity licensing costs.
- Designed and implemented a Microsoft Fabric ELT pipeline (Lakehouse, Pipelines, PySpark) that automated data ingestion and transformation, replacing the prior Azure pipeline.
- Modeled cleansed data into a Star Schema within the data warehouse using T-SQL, powering the Power BI Semantic Model.
- Leveraged AI tools, including Copilot and Claude, as development partners across the entire ELT pipeline, from data ingestion to KPI reporting and visualization.
- Supported agile delivery processes, using Jira to track development tasks and Confluence to maintain technical and project documentation.
Raj U.
Last position:
Courier / Operations Support at Closer Go Germany GmbH
- Work within time-critical operating procedures; coordinate issues with customers, partners and central support.
- Maintain reliable handovers and concise incident communication when service, equipment or routing issues occur.
Alexandro L.
Last position:
Senior Project Manager - RIS & PACS Replacement
- Replacing an RIS and PACS system in combination with three different software solutions, with a focus on redesigning and further developing existing processes.
- Ensuring that the individual solutions work together and are integrated into an overall solution to optimally support medical professionals in their daily work.
- Overall project management, including managing three service providers.
- Use of technologies and solutions such as RIS, PACS, Smart Reporting and artificial intelligence.
- Leading the RIS & PACS replacement at a hospital.
- Supporting the communications strategy.
- Coordinating external and internal resources.
- Stakeholder management.
- Managing steering committees.
Seyed Farhad M.
Last position:
Senior Product Security Engineer at Delivery Hero
- Developed a custom tool using the Mistral 7B LLM to scan, validate, and report security vulnerabilities.
- Security tested AI agents, bots, and other LLMs, focusing on prompt injection, model inversion, data poisoning, EDR/AV bypass and evasion techniques, membership inference, model evasion, overfitting to malicious inputs, and contextual manipulation.
- Onboarded repositories to SAST solutions for security scanning, implemented secrets scanning, DAST, and SCA, and used ZAP for DAST in CI/CD pipelines.
- Delivered security awareness training and developed CTF challenges and training materials to improve developers' security knowledge.
- Planned and carried out bi-annual red teaming operations based on the MITRE ATT&CK framework and led internal and external pentests based on the OWASP Top 10 framework for 70+ applications worldwide, resulting in the detection, reporting, and remediation of hundreds of vulnerabilities.
- Triaged HackerOne reports.
Can K.
Last position:
DevOps Specialist at Eviden Germany GmbH
Manage the development release and update process for a digitized nationwide trade register project "AuRegis".
Support software in Kubernetes/OpenShift environments, configure management with Kustomize, and implement CI/CD pipelines using Jenkins/GitLab, SonarQube, ArgoCD, and Azure.
Oversee system release of microservice architecture.
Build the CI/CD stack from scratch with GitLab CI, integrating integration tests, dependency checks, and security measures.
Automate deployment onto OpenShift using Kustomize.
Set up infrastructure components for development, code review, and code quality analysis including SonarQube.
Integrate GitOps tools such as Kustomize and ArgoCD, using both Azure and private cloud for sensitive data handling.
Develop Python scripts in Jenkins for cryptostore configuration and system packaging of products and microservices into deployable units.
Automate delivery to customers and deployment on test systems.
Create Kustomize manifests for microservices and develop the related automation, treating documentation as code for clarity and reproducibility.
Serve as technical advisor for the project's first go-live and oversee further deployments as technical rollout manager.
André B.
Last position:
External Attack Surface Assessment & Cybersecurity Readiness Checks at Graydaxe Cybersecurity GmbH
- Conducting cybersecurity readiness checks based on an in-house assessment methodology
- Analyzing the external attack surface using the Graydaxe EASM platform
- Assessing maturity levels and deriving prioritized recommendations for action
Jonás C.
Last position:
Security Responder (SOC) at gematik GmbH
At gematik's Cyber Defense Center (CDC/CERT) (critical infrastructure): Security Monitoring, Incident Response, and Service Monitoring for the telematics infrastructure (TI)
- Vulnerability management with Nexpose for gematik and the telematics infrastructure
- Vulnerability Assessment: Assessing and tracking vulnerabilities through Jira
- Security Monitoring and triage of security events with Splunk
- First Responder and Incident Handling: Initial assessment, triage, and escalation
- Service Monitoring: Monitoring critical TI services
- Documenting runbooks, playbooks, and knowledge base articles in Confluence
André G.
Last position:
IT Consulting Project Management / Engineering Subproject Management at T-Systems (on assignment for government agencies)
- Projects for federal networks (NdB).
- CR management, EoL change requests, design and documentation according to ITSCM.
- Data center planning.
- Project management and engineering subproject management.
- Software development for virtual server environments according to BSI.
Albrecht N.
Last position:
Senior Project Manager IT at HAYS Technology Solutions GmbH
- Leasing, lifecycle and process management for Apple iPhones, maintenance and expansion of the MDM system, coordination of leasing, device integration into DEP and MDM, followed by a rollout and hardware swap process, plus a BYOD and Android option
- Migration of the IT ticket system from ManageEngine ServiceDesk Plus to Atlassian Jira Service Management: project management, definition of ticket types, seamless execution according to a detailed timeline, user communication, decommissioning of the old system
- Project lead: SAP interface in workforce management to automate reading of working hours
- Sub-project lead for inventory software EZO AssetSonar: demand management, software selection, procurement
Ensar Y.
Last position:
Service Manager Microsoft Cloud Services (ITIL) at Industry (technology group)
- Took on the role of Service Manager for Microsoft 365 and Azure services
- Coordinated service providers in the areas of collaboration and security (Exchange Online, Teams, Azure AD)
- Monitored and optimized SLA-compliant operating processes (Incident, Change, Problem)
- Worked closely with internal IT management and integrated ITIL processes into Azure DevOps
- Microsoft Azure, Exchange Online, Teams, Azure AD, ITIL v4, Azure DevOps, Power BI, ServiceNow
Alexander V.
Last position:
Product Owner at FI-TS
- Rebuilding an existing cloud solution with Kubernetes, Terraform, Ansible, Prometheus, Grafana, GitLab, Argo CD and PostgreSQL
- Coordinating and managing external partners and service providers
- Ensuring service delivery on time and on budget with budget responsibility
- Integrating the cloud solution with external public clouds (AWS)
- Setting up and defining processes and workflows in Jira and Confluence
- Product management of software development for automation and self-service in CI/CD DevOps mode
- Agile software development with Kanban and Scrum in various development teams
- Single point of contact for key customers in respective projects
- Creating and aligning the product backlog with stakeholders from sales, architecture, development teams, marketing, management and customers
- Migrating existing customers to the AWS cloud as product owner
- Creating and aligning a product roadmap with internal and external stakeholders
Peter K.
Last position:
Hardware and Software Developer / Project Manager at Anonymer Kunde
- Development of control units for the automotive industry incl. embedded software
- CAN bus, Vector Tools, CANoe
- Support of the development process according to ISO 26262
- Ensuring cyber security standards:
- Key exchange (PKI) between vehicle and control units
- Hardware Security Module (HSM)
- Communication with external service providers (international)
- Development (PCB) of measuring adapters, statistical analysis of sensors
- IoT and embedded software development, backend administration
Florian R.
Last position:
Network Administrator at Smartconnect Berlin
- Configuration and management of routers and switches (e.g., Cisco, HP)
- Design and expansion of networks in corporate environments
- WLAN site surveys and optimization (e.g., with Ekahau, NetSpot)
- Implementation of security policies and access controls
Thomas M.
Last position:
Lead Cloud Infrastructure Engineer at TrackCode GmbH
- Developing GitHub Actions/pipelines for automatic application deployment
- Supporting the provisioning of Helm charts for the CI/CD infrastructure
- Rebuilding and migrating a Kubernetes cluster using Rancher
- Creating IaC with Terraform for Kubernetes and additional services (monitoring, databases)
- Deploying a highly available Percona Galera cluster (MySQL)
- Implementing a centralized monitoring and logging infrastructure
Ebrahim W.
Last position:
Certified Trainer for Mach Software for the State of Berlin at HKR Senfin Berlin
- Fund management
- Budget
- Mach BI
Discover over 15,000 top freelancers
Statistics of experts using Firewall
Aggregated from the professional profiles of matched freelancers.
Experience
22 years
Position duration
2.6 years (Germany: 2.2 years)
Positions per freelancer
15
Top business areas
Information Technology, Project Management, Customer Service
Top industries
Information Technology, Professional Services, Banking and Finance
Certification focus areas
Information Technology, Project Management, Human Resources
Bachelor's degree or higher
77% (Germany: 75%)
Master's degree or higher
38% (Germany: 43%)
Doctorate
8% (Germany: 6%)
Certifications per freelancer
4 (Germany: 5)
Most common languages
German, English, Spanish
Speak two or more languages
100% (Germany: 98%)
Based on our profile pool as of 29 Oct 2026.
Daily rate distribution
The chart shows how the daily rates of experts in this technology in Berlin are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows the share of experts charging within that range.
Average rates of experts in Berlin using Firewall
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 29 Oct 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
Firewall experts industry focus
See which industries our matched freelancers work in most often — every figure is calculated live from the freelancers on FRATCH.
- Information Technology (100%)
- Professional Services (60%)
- Banking and Finance (53%)
- Government and Administration (53%)
- Telecommunication (47%)
- Education (33%)
- Automotive (27%)
- Healthcare (27%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Network Protection
A firewall controls traffic between trusted and untrusted networks. It applies rules to allow, inspect, log or block connections based on addresses, ports, applications, users and content. Firewalls protect data centres, offices, cloud environments and industrial networks.
Firewall Types
Traditional packet filters remain useful for simple boundaries, while stateful firewalls track connection context. Next-generation firewalls add application awareness, intrusion prevention, malware inspection and user-based policies. Web application firewalls protect HTTP services from attacks such as injection and cross-site scripting.
Ecosystem and Tools
Professionals may work with Fortinet FortiGate, Palo Alto Networks, Check Point, Cisco Secure Firewall, Sophos, pfSense or cloud-native controls from AWS, Microsoft Azure and Google Cloud. They often connect firewalls with:
- Site-to-site and remote-access VPNs
- Network segmentation and zero-trust access
- SIEM, monitoring and incident response tools
- Identity providers, directory services and endpoint security
Typical Assignments
Companies bring in freelance firewall specialists when a network is being redesigned, a cloud environment is expanding or an audit reveals weak controls. Common deliverables include:
- Security architecture and traffic-flow documentation
- Rule-base design, cleanup and migration
- High-availability and disaster-recovery setup
- Firewall deployment, testing and handover
When Expertise Matters
External expertise is valuable during mergers, office openings, data-centre moves and major application launches. It also helps when rules have grown difficult to review, remote access must be modernized or security teams need temporary capacity for a change window. In Berlin, specialists may support local teams on site or collaborate remotely across German and international operations.
Strong Professionals
Strong firewall professionals translate business services into clear network policies and keep access as narrow as practical. They understand routing, DNS, TLS, NAT, VLANs, BGP and common attack paths, but they also document decisions in language operations and security teams can use. Quality work includes staged changes, rollback plans, useful logging and tests that prove legitimate traffic still works.
Frequently asked questions
Curious about Firewall? Here are the answers that come up again and again.
A firewall controls traffic between networks, systems and applications according to defined security policies. Companies use it to separate internal environments, protect public services, secure remote access and monitor suspicious connections.
A firewall usually enforces broader network or application access rules, while a WAF focuses on protecting web applications and a router primarily forwards traffic between networks. Modern products can combine routing, firewalling, VPN, intrusion prevention and web inspection, so the required control points should be defined before selection.
A strong firewall specialist usually understands routing, switching, DNS, VPNs, identity systems, cloud networking and security monitoring. Experience with SIEM tools, vulnerability management, incident response and infrastructure automation is also useful for complex environments.
The required depth depends on the scope. A rule review may need focused product knowledge, while a new multi-site design requires experience with segmentation, high availability, migration planning and rollback testing. Ask for comparable deliverables rather than relying only on a job title or certification.
Many firewall tasks can be completed remotely through controlled administrative access, documented change procedures and a clear approval process. On-site support may still be useful for hardware installation, cabling, physical troubleshooting or a sensitive cutover, and collaboration may require German or English depending on the team.
A cloud firewall can suit workloads that change rapidly or span several virtual networks and regions. A physical appliance may remain preferable for predictable data-centre traffic, local inspection or environments with strict control over network hardware. Hybrid designs are common when both settings must be protected consistently.
Look for a clear traffic model, least-privilege rules, structured naming, meaningful logs and documented ownership. A capable firewall professional also demonstrates changes in a test environment, reviews rule necessity, checks performance and provides a rollback plan before production work.
A firewall project should define the product versions, network diagrams, access method, maintenance window, approval authority and success criteria. Freelancers should also clarify whether they own design, implementation, testing, documentation or handover, and whether emergency support is expected.
The average hourly rate of freelancers in Berlin, Germany who have used Firewall in their recent projects is 110 €, which corresponds to a daily rate of about 877 € based on an 8-hour working day.
Of the freelancers in Berlin, Germany who have used Firewall in their recent projects, 77% hold at least a Bachelor's degree, 38% hold at least a Master's degree, and 8% hold a doctorate.
On average, freelancers in Berlin, Germany who have used Firewall in their recent projects have 22 years of professional experience, with a single engagement typically lasting around 2.6 years.
The most common languages among freelancers in Berlin, Germany who have used Firewall in their recent projects are German (100%), English (100%), and Spanish (13%).
The most common industries among freelancers in Berlin, Germany who have used Firewall in their recent projects are Information Technology (100%), Professional Services (60%), and Banking and Finance (53%).
The most common business areas among freelancers in Berlin, Germany who have used Firewall in their recent projects are Information Technology (100%), Project Management (87%), and Customer Service (53%).
Main locations of FRATCH Experts, who have recently used Firewall
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.
Hamburg 
Munich 
Cologne 
Frankfurt 
Stuttgart 
Dusseldorf 
Dortmund 
Essen 
Nuremberg Request a free demo
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Philipp Thomaschewski
FRATCH CEO
