Firewall Experts in Berlin
in minutes from over 15,000 CVs with the power of AIHire experts who design, tune, and maintain firewall rules, VPN access, and network segmentation for cloud, on-prem, and hybrid environments. Get fast, precise matching with vetted, available freelancers.
Meet FRATCH Experts in Berlin, who have recently used Firewall
Andreas Rühl
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 Lahmann
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 Udani
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 Kocyigit
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.
Craft the CI/CD stack from scratch with GitLab CI, integrating integration tests, dependency checks, and security measures.
Automate deployment onto OpenShift using Kustomize.
Establish infrastructure components for development, code review, and code quality analysis including SonarQube.
Integrate GitOps tools such as Kustomize and ArgoCD, leveraging 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.
Craft Kustomize manifests for microservices and develop accompanying 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 Beran
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 Görst
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 Noack
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
Alexander Vitanyi
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 Kortmann
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 Miri
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 Ruhnau
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
Ensar Yilmaz
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 collaboration and security (Exchange Online, Teams, Azure AD)
- Monitored and optimized SLA-compliant operational 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
Ebrahim Wali
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
23 years (Germany: 22 years)
Position duration
2.7 years (Germany: 2.3 years)
Positions per freelancer
16 (Germany: 14)
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
73% (Germany: 74%)
Master's degree or higher
27% (Germany: 40%)
Doctorate
9% (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 30 Aug 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 30 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
About the technology
Network control
Firewalls filter traffic between trusted and untrusted networks. They enforce access rules, block risky ports and protocols, and help protect servers, endpoints, and cloud workloads. In many teams, a firewall is the first control layer for perimeter security and internal segmentation.
Common platforms
Firewalls appear as hardware appliances, virtual appliances, and cloud-native controls. Work often involves Palo Alto Networks, Fortinet FortiGate, Cisco ASA and Firepower, Check Point, pfSense, and cloud security groups or network firewalls in AWS, Azure, and Google Cloud.
Typical work
- Rule set design and cleanup
- VPN and remote access setup
- Network segmentation and zone planning
- Log review and incident support
- Migration between vendor stacks
When companies bring help
Teams usually call in freelance experts when rules become messy, traffic breaks after a change, or a vendor migration needs careful planning. They also help during audits, mergers, cloud moves, and urgent incident response. In Berlin, this often matters for SaaS, media, finance, and other firms running mixed cloud and office networks.
What strong specialists do
Strong firewall specialists read traffic flows before they change rules. They understand NAT, routing, DNS, TLS inspection, VPNs, and least-privilege access. They document every change clearly, test rollbacks, and keep security controls tight without slowing the business.
Hiring signals
Bring in outside expertise when you need a clean policy review, a new segmentation model, or help comparing a next-generation firewall with an existing platform. The right specialist can also bridge security, infrastructure, and operations teams when an environment spans branches, cloud accounts, and remote users.
Frequently asked questions
Curious about Firewall? Here are the answers that come up again and again.
A strong Firewall specialist designs traffic rules, reviews network paths, and keeps trusted systems separated from risky ones. They also handle VPN access, NAT, logging, and change control so security does not break normal work.
A firewall controls which network connections are allowed, while a VPN creates a protected tunnel and endpoint security protects the device itself. These tools overlap in a security program, but they solve different problems and should be planned together.
Firewall work often involves Palo Alto Networks, Fortinet FortiGate, Check Point, Cisco ASA or Firepower, and pfSense. In cloud projects, the work may center on AWS Network Firewall, Azure network security groups, or similar controls built into the cloud.
A good Firewall expert usually knows routing, subnetting, DNS, TLS, and basic Linux or Windows network behavior. Scripting and log analysis help too, especially when the job includes rule audits, migrations, or incident response.
Not every Firewall task needs deep seniority, but migrations, segmentation changes, and production outages usually do. Simple rule cleanup can be handled by a solid specialist with good documentation habits and strong vendor knowledge.
Most Firewall tasks can be done remotely if the specialist has secure access and clear network diagrams. On-site work in Berlin helps when physical devices, local office networks, or sensitive change windows need closer coordination.
Look for clear reasoning, not just product names. A strong Firewall freelancer explains why each rule exists, spots shadowed or overly broad access, and leaves behind documentation that your team can actually maintain.
Share your topology, current rules, vendor model, IP ranges, VPN needs, and any recent incidents before the Firewall specialist starts. Good preparation speeds up discovery, reduces risk, and makes it easier to compare the new design with the old one.
The average hourly rate of freelancers in Berlin, Germany who have used Firewall in their recent projects is 105 €, which corresponds to a daily rate of about 842 € based on an 8-hour working day.
Of the freelancers in Berlin, Germany who have used Firewall in their recent projects, 73% hold at least a Bachelor's degree, 27% hold at least a Master's degree, and 9% hold a doctorate.
On average, freelancers in Berlin, Germany who have used Firewall in their recent projects have 23 years of professional experience, with a single engagement typically lasting around 2.7 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 (15%).
The most common industries among freelancers in Berlin, Germany who have used Firewall in their recent projects are Information Technology (100%), Professional Services (69%), and Banking and Finance (46%).
The most common business areas among freelancers in Berlin, Germany who have used Firewall in their recent projects are Information Technology (100%), Project Management (85%), and Customer Service (54%).
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
Get in touch with the FRATCH team and we will get back to you within 4 hours.
Would you rather directly get in touch?
We always have the time for a call or email!
Philipp Thomaschewski
FRATCH CEO
