Firewall Experts in Berlin
matched in minutes from over 15,000 CVsHire experts who design secure network boundaries, configure next-generation firewalls and connect cloud, office and data-centre environments. FRATCH matches you quickly and precisely with vetted, available freelancers for your Firewall project.
Meet FRATCH Experts in Berlin, who have recently used Firewall
Andreas R.
Last position:
Freelance Consultant for Information Security at A-R-C Andreas Rühl Consulting
Development and implementation of tailored information security strategies
Introduction and further development of ISMS according to ISO 27001, BSI baseline protection, and other standards
Risk management and creation of security concepts
Consulting for KRITIS, PCI DSS, TISAX, and VdS 3473/10000
Building and improving security organizations
Creation and implementation of guidelines, policies, work instructions, and process descriptions
Audit support and certification preparation
Conducting trainings, workshops, and awareness campaigns
Selection and consulting on the introduction of IT security solutions such as SIEM, DLP, IDS/IPS, firewalls, and encryption technologies
Conducting penetration tests and vulnerability analyses
Consulting on the selection, integration, and management of security architectures in complex IT environments
Consulting on ITSM and managed security services and SOC
Leading and managing complex projects to improve information security
Process analysis, optimization, and management according to ITIL, ISO 27001, and cybernetics
Introduction and quality assurance of management, documentation, and knowledge management systems
Support in complying with regulatory information security requirements (e.g. GDPR, HIPAA, SOX, GMP, KRITIS)
Development and implementation of risk analysis procedures
Organizing initial response, forensic investigations, and organizational measures in the event of security incidents
Designing and running targeted workshops on topics such as ISMS, IT risks, and current threat scenarios
Awareness campaigns to promote security culture in companies
Special trainings on ISO 27001, BSI baseline protection, KRITIS, and other relevant standards
Simulations and exercises to prepare for information security incidents
Interim management for leading information security projects or IT security organizations
Taking on the role of an external CISO (Chief Information Security Officer)
Support in developing and implementing IT security and corporate strategies
Coaching and mentoring of managers in the field of information security
Building and leading security departments as well as recruiting and qualifying employees
Temporary assumption of management responsibility in critical situations
Alexandro L.
Last position:
Senior Project Manager - RIS & PACS Replacement
- Replacement of a RIS and PACS system in combination with three different software solutions, with a focus on redesigning and further developing existing processes.
- Ensuring the interaction of the individual solutions and their integration into one overall solution to provide optimal support for medical staff in their daily work.
- Overall project management including coordination of three service providers.
- Use of technologies and solutions such as RIS, PACS, Smart Reporting, and Artificial Intelligence.
- Leading the RIS & PACS replacement in a hospital.
- Support with the communication strategy.
- Coordination of external and internal resources.
- Stakeholder management.
- Steering of steering committees.
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.
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
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
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 with a focus 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, SCA, and utilized ZAP for DAST in CI/CD pipelines.
- Engaged in security awareness trainings, developed CTF challenges and training materials to enhance developer security knowledge.
- Planned and executed 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 detection, reporting, and remediation of hundreds of vulnerabilities.
- Triaged HackerOne reports.
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
24 years (Germany: 22 years)
Position duration
2.6 years (Germany: 2.2 years)
Positions per freelancer
16 (Germany: 15)
Top business areas
Information Technology, Project Management, Customer Service
Top industries
Information Technology, Professional Services, Banking and Finance
Certification focus areas
Information Technology, Human Resources, Product Development
Bachelor's degree or higher
75%
Master's degree or higher
25% (Germany: 41%)
Doctorate
8% (Germany: 6%)
Certifications per freelancer
4 (Germany: 5)
Most common languages
German, English, French
Speak two or more languages
100% (Germany: 98%)
Based on our profile pool as of 19 Sep 2026.
Daily rate distribution
The chart shows how the daily rates of freelancers in this technology in Berlin 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 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 19 Sep 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 (64%)
- Banking and Finance (50%)
- Government and Administration (50%)
- Education (43%)
- Telecommunication (43%)
- Automotive (29%)
- Healthcare (29%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
What Firewalls Do
A firewall controls traffic between trusted and untrusted networks. It applies rules to allow, block, inspect or log connections based on addresses, ports, protocols, applications and user identity. Firewalls protect offices, data centres, cloud workloads and public-facing services without replacing secure application design.
Main Approaches
Network firewalls filter traffic at a perimeter or between internal zones. Next-generation firewalls, often called NGFWs, add application awareness, intrusion prevention, encrypted traffic inspection and user-based policies. Web application firewalls, or WAFs, focus on HTTP and API traffic, helping defend applications against attacks such as injection and cross-site scripting.
Ecosystem and Tools
Strong Firewall work connects policy with the wider security stack:
- Palo Alto Networks, Fortinet, Cisco, Check Point and open-source firewall technologies
- Cloud controls in AWS, Microsoft Azure and Google Cloud
- VPNs, identity providers, SIEM systems and endpoint security
- Routing, VLANs, DNS, proxies, load balancers and infrastructure as code
Policies should be documented, tested and versioned. Central management and reliable logging make changes traceable and incidents easier to investigate.
Typical Deliverables
Companies bring in freelance Firewall expertise for network segmentation, firewall migrations and secure connectivity between sites, cloud accounts and remote users. Common deliverables include rule bases, zone models, VPN configurations, high-availability designs, WAF policies, monitoring dashboards and operational runbooks.
When Expertise Helps
Specialist support is valuable when rules have grown difficult to review or when a company is moving workloads into the cloud. It can also help after an incident, during an audit or before a major network change. In Berlin, teams may need an expert who can work remotely with distributed stakeholders or join on-site sessions for data-centre and office infrastructure.
Signs of Quality
A strong professional starts with traffic flows, assets, identities and business risks rather than copying existing rules. They remove obsolete access, use least privilege and test changes without interrupting essential services.
- Clear naming, ownership, comments and review paths for every important rule
- Safe change procedures, rollback plans and high-availability testing
- Useful logs sent to monitoring or SIEM systems without exposing sensitive data
- Practical documentation that internal teams can operate after handover
Frequently asked questions
Curious about Firewall? Here are the answers that come up again and again.
A firewall controls network traffic according to defined security rules. Companies use it to separate zones, protect internet-facing services, connect offices securely and restrict access between cloud, data-centre and user environments.
A next-generation firewall can identify applications, users and threats in addition to filtering addresses and ports. It commonly combines intrusion prevention, URL controls, malware inspection and central policy management, while a traditional firewall may focus mainly on network-layer rules.
A strong Firewall specialist usually understands routing, VLANs, DNS, VPNs, identity and cloud networking. Experience with SIEM integration, infrastructure as code, incident response and high-availability design is also valuable.
The required Firewall experience depends on the scope and risk of the environment. A small rule review may need focused policy expertise, while a migration, segmentation programme or multi-cloud design calls for someone who can analyse dependencies, test changes and plan rollback safely.
Much Firewall work can be completed remotely through secure access, documented traffic flows and controlled change windows. On-site collaboration in Berlin may still be useful for data-centre cabling, hardware replacement, office network changes or workshops with infrastructure teams.
A WAF, or web application firewall, protects HTTP and API traffic at the application layer. It complements a network firewall when a company needs to filter requests, block common web attacks or apply rules to specific URLs, parameters and application behaviours.
Good Firewall work is based on least privilege, clear ownership and an accurate understanding of required traffic. Ask for documented rules, test evidence, monitoring coverage, rollback procedures and an explanation of how exceptions will be reviewed over time.
A Firewall professional may work with Palo Alto Networks, Fortinet, Cisco, Check Point or open-source tools, depending on the environment. Cloud-native controls in AWS, Microsoft Azure and Google Cloud can also form part of the design, alongside VPN, WAF and identity services.
The average hourly rate of freelancers in Berlin, Germany who have used Firewall in their recent projects is 108 €, which corresponds to a daily rate of about 862 € based on an 8-hour working day.
Of the freelancers in Berlin, Germany who have used Firewall in their recent projects, 75% hold at least a Bachelor's degree, 25% 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 24 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 French (14%).
The most common industries among freelancers in Berlin, Germany who have used Firewall in their recent projects are Information Technology (100%), Professional Services (64%), and Banking and Finance (50%).
The most common business areas among freelancers in Berlin, Germany who have used Firewall in their recent projects are Information Technology (100%), Project Management (86%), and Customer Service (57%).
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 
Nuremberg Request a free demo
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Philipp Thomaschewski
FRATCH CEO
