Firewall Experts in Frankfurt
matched in minutes from over 15,000 CVs with vetted, available specialistsHire experts who design, tune and troubleshoot network firewalls, next-generation firewalls and VPN policy for secure office, cloud and hybrid setups. Get precise matches with vetted, available freelancers who can start fast.
Meet FRATCH Experts in Frankfurt, who have recently used Firewall
Robert Francia
Last position:
Interim Project Manager at IT services company of a regional energy supplier
- Delivery of various end-customer projects in server and network infrastructure on time, in quality, and within budget.
- Project 1: Firewall renewal, replacement of an ASA firewall with a Fortinet firewall at an automotive supplier.
- Project 2: Migration of file services from dedicated servers at 5 branch locations into a central managed file service, including DHCP, directory, and print services, as well as decommissioning of the old domain controllers.
- Project 3: Renewal of the network infrastructure at the headquarters and branch locations of a logistics company and transition of the LAN, WLAN, and firewall environments into a managed network service.
- Project 4: Network renewal, replacement of the core and access switches at the headquarters of a medical technology company and transition into a managed network service.
- Project 5: Firewall renewal, replacement of an ASA firewall with a Fortinet firewall for a city.
- Environment: ASA and Fortinet firewalls, Cisco network components, ITSM Heat/Ivanti, Confluence.
Mario Pucko
Last position:
Senior IT Project Manager / Program Lead – Network Strategy 2030 at ALDB GmbH
- Holistic responsibility for modernizing and expanding federal networks and upgrading critical data center and telecom infrastructure in the high-security agency environment of BDBOS
- Planning and management of the expansion of national BOS network infrastructure in the VS-NfD/KRITIS environment with technical decision authority at the architecture and component level (Cisco, Layer 2/3, WAN redundancy)
- Planning, tendering (EVB-IT/UVgO) and oversight of the upgrade of security-critical telecom infrastructure for emergency call 110/112 (ACD)
- Capacity planning, rack integration, structured cabling, power supply, cooling concept (CRAC/In-Row) and DCIM monitoring for data center expansion
- Building the IT department from scratch: structures, governance, processes, team recruiting, vendor selection and long-term IT strategy
- Planning and managing infrastructure and application migrations: migration strategies, batch planning, hypercare stabilization and rollback concepts
- Creating vendor-neutral specifications (telecom systems, signature solutions) according to EVB-IT and UVgO; contract award and vendor management
- Setting up a secure IT environment according to BSI basic protection, ISO 27001 and VS-NfD; developing IT security concepts and CMDB analyses
- Hands-on program leadership: decision papers for management and steering committees, risk management, reporting and change request control
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
Mustafa Kederoglu
Last position:
Senior Network Design and Engineer at Helaba
Designed and specified the technical network integration of a new business-critical application system (MUREX) in the capital markets area in a complex interface and outsourcing environment.
Created component specifications, a catalog of measures and an implementation plan.
Ensured proper integration of the developed results in line with the bank’s framework: IT compliance, IT security, change and release management.
Selected and integrated a new service provider for the bank; moved critical bank applications to the provider.
Designed, implemented and supported the new Cisco network and Fortinet security setup at the service provider data center.
Acted as technical interface between the bank, service providers and consulting partners.
Supported and further developed the network and security infrastructure (clients, servers, networks); performed error analysis and implemented solutions within agreed service levels.
Analyzed and diagnosed all security and network failures, glitches and malfunctions.
Initiated continuous improvements to ensure efficient resource use and acceptable response times for users.
Provided network support in a financial services organization and prepared operational changes on production banking network infrastructure for both large and small projects within strict change management discipline.
Designed, defined, tested, governed and improved engineering standards.
Performed the role of network architect for medium to large projects involving team resources.
Thomas Hartung
Last position:
Project Manager & Tender Manager at GEA Group AG
- Implemented an access control solution and prepared tender documents for a visitor management system.
- As project manager, I was responsible for the successful rollout of a cloud-based access control system for two sites with around 4,000 employees.
- Accountable for the successful execution of the project.
- Created and aligned project plans and status reports with all stakeholders.
- Prepared/coordinated an initial effort or cost estimate and related planning for operational services implementation.
- Identified interfaces.
- Ensured budget and schedule compliance.
- As tender manager / demand manager, the following specific tasks were my responsibility:
- Analyzing potential suppliers.
- Gathering requirements.
- Creating and aligning the requirements catalog.
- Developing an evaluation matrix.
- Preparing the tender documents.
Anand Rahul
Last position:
Freelancer Scrum Master, Mentor and Strategist at Confidential Fintec Startup
- Provided coaching and support to Scrum teams to adopt and implement agile practices effectively
- Analyzed business requirements and identified IT solutions to support business goals
- Evaluated existing IT systems and processes to identify optimization opportunities
- Managed stakeholder relationships and coaching
- Facilitated Scrum ceremonies and ensured adherence to Scrum principles and practices
- Identified and implemented lean startup process optimizations to improve efficiency and effectiveness of development and business processes
- Developed and monitored daily business strategies to ensure development goals were met
- Developed and implemented OKR strategies to align team goals with company objectives
- Tools/Methodology: Jira, Confluence, Miro, PowerBI, team building & mentoring, conflict resolution, impediment resolution
Axel Zimmermann
Last position:
Project Manager at NTT Global Data Centers
- Project management
- Coordination of the rollout of 148 firewalls (Palo Alto) for 74 buildings at more than 14 locations in EMEA
- Management of the team (8 employees)
- Communication with senior management (local) and site managers (EMEA)
- Ensuring work packages were completed on time and according to requirements, including formal acceptance
- Extensive use of the relevant Microsoft tools
- Wrike (project management)
Andreas Ilias
Last position:
Cybersecurity Specialist Assessor at Bundesnetzagentur
- Recognition of national notified bodies
- Preparation of cybersecurity competency reports
- EU Radio Equipment Directive
Khalid Safee
Last position:
IT Infrastructure Coordinator at SAFEE Technology
- GfK Data center IT Infrastructure project onsite coordinator (Equinix DC FR2/FR7) training FEs in Equinix DC Carla, FNT, Jira Confluence, ServiceNow (Change/Problem/Incident MGMT), DCIM, ITSM, ITIL
- Reporting significant incidents as the on-site technical coordinator and initial point of contact for vendor escort and smart hands
- Utilizing CMDB-GUI, NIQ-Browser, CMDB-Filtering-GUI, OSS-Radar, BigBrother, CheckMK, and TTWOS for 2nd and 3rd level troubleshooting support
- Maintaining MDF, IDF, computer rooms, and closets; coordinating with service desk, reception, and security for visitor access
- Managing asset lifecycle including operation, retirement, stocking, and destruction with proper SanDisk procedures
- Leading footprint data centre optimization and reduction in FR2/FR7; handling network, server, storage, desktop, hosting, IT security, video conferencing, and telephone operations
- Coordinating server relocations, fibre optics/copper cable preparations, CMDB updates, and stakeholder cooperation
- Implementing IT infrastructure design, maintenance, configuration, and construction following Dell/HP/Apple ESD safety precautions
- Single POC for change management network, Star Track, backup & storage, cloud, Linux, Windows, EUS teams & Software Centre installs
- Successfully completed DC Footprint Reduction Project 2021/2022 and GfK New Hardware DC Refresh Initiative
- Planning, configuring, and installing Dematic server rooms and switch configurations in Heusenstamm, Wurzburg, Kahl am Main, and Graz Austria
- Providing on-site media equipment setup for HP, hospitals, manufacturers, and laboratories
- Ensuring professional rack and cable management following best practices
- Maintaining up-to-date plant maps accessible to all teams showing technology space and spare locations
- Offering technical assistance for live events, town halls, forums, streaming, and hybrid events on and off campus
- Providing second level support for Poly video conferencing systems across multiple time zones
- Conducting frequent computer room walkthroughs, recording power, cooling, alarm, security threats, and mapping wireless environment and access points
Reinhard Gefing
Last position:
IT Infrastructure / User Management at UMF – University Medical Center Frankfurt
- User account management and creation in Active Directory
- Group management and modification in Active Directory
- Permission management on file servers
- Exchange/Outlook support
- VPN setup
- System and product support: Windows 10, Windows 11, Office 2019, Office 365, Active Directory, TeamViewer, RSA VPN, Microsoft Teams, RSA Security Console, Deep Discovery Mail Inspector, ServiceNow, Macmon
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 Weileder
Last position:
ISO 27001 Auditor for health insurance archive system at Health insurance company
The replacement of the existing archive system (document management system – DMS) on a host-based platform is well advanced.
The internal audit is meant to ensure the company's quality standards.
GDPR
ISO 27001 ff.
BSI
DORA
Patient data regulations
Host / Cloud / S3 / Container / highly scalable / Nuxeo
Budget: 50,000
Team: 1
Helge Bredow
Last position:
Solution Architect at Deutsche Bahn
- Responsible for the end-to-end application and integration architecture of the Hamburg S-Bahn maintenance digitization program. A highlight is the introduction of robots and fixed camera towers to automate vehicle inspections, allowing AI image algorithms to assess train conditions during operation.
- Deutsche Bahn has one of the largest SAP PM implementations worldwide, which is a key component of this digitization.
Driss Chaouat
Last position:
Freelancer – IT Service Manager at E.ON (Westnetz GmbH)
- Support and optimization of incident, change & problem processes based on ITIL for >10,000 users.
- Problem-solving for >1,000 complex cases/year across different service towers (File Services, Identity, Citrix, ANF).
- Work in the security cluster: vulnerability analysis and firewall change coordination.
- Governance & migration of file services to Azure NetApp Files (M365, Citrix, PowerShell), including data optimization.
- Creation and maintenance of business-critical process & operational services, enterprise documentation.
- Focus on stabilization, security (endpoint hardening), and optimization through AI solutions.
Valentin Oprea
Last position:
Network Architect at IT Service Provider - Public Sector
- Designed a network management strategy focused on NetDevOps principles and model-driven telemetry using YANG data models
- Conducted NETCONF/YANG workshops for L2VPN/L3VPN services over SRv6
- Automated configuration deployment in the testing environment with Ansible
- Developed end-to-end service measurement concepts with IPSLA and the Telegraf-Prometheus-Grafana stack
- Created the dual-stack architecture design (router + switch + firewall) including a detailed test plan; planned, executed, and documented acceptance tests for the management network
- Performed BSI IT baseline protection checks according to the IT-Grundschutz catalog (needs assessment, modeling, risk analysis, deriving measures)
- Protocols: SRv6, IPv6, MPLS, BGP, ISIS, OSPF, NETCONF/YANG, model-driven telemetry, IPSLA
- Systems: Cisco Crosswork Network Controller, SolarWinds Orion, Grafana, InfluxDB, Telegraf, Ansible, Git
- Components: Cisco NCS router series, Cisco Catalyst switch series, Cisco Firepower firewall series
Discover over 15,000 top freelancers
Statistics of experts using Firewall
Aggregated from the professional profiles of matched freelancers.
Experience
22 years
Position duration
2.1 years (Germany: 2.3 years)
Positions per freelancer
14
Top business areas
Information Technology, Operations, Project Management
Top industries
Information Technology, Banking and Finance, Professional Services
Certification focus areas
Information Technology, Project Management, Audit
Bachelor's degree or higher
71% (Germany: 74%)
Master's degree or higher
29% (Germany: 40%)
Certifications per freelancer
4 (Germany: 5)
Most common languages
German, English, Hungarian
Speak two or more languages
96% (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 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 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
What firewalls do
Firewalls control traffic between networks, zones and applications. They help block unwanted access, enforce security policy and keep internal systems separate from public-facing services. In many environments, a firewall is the first line of control for internet, VPN and branch traffic.
Common platforms
- Palo Alto Networks and other next-generation firewall stacks
- Fortinet FortiGate environments
- Cisco ASA and newer Cisco security setups
- pfSense and open-source edge gateways
- Cloud firewalls in AWS, Azure and Google Cloud
Where specialists help
Companies bring in firewall specialists for new deployments, rule reviews, upgrades and incident response. They also help when traffic is blocked, VPN access fails or legacy policies are hard to untangle. In Frankfurt, this often matters for finance, logistics and international teams with strict perimeter and remote-access needs.
Skills that matter
Strong professionals understand packet filtering, stateful inspection, NAT, VPNs, logging and rule ordering. They know how to read traffic flows, spot risky exceptions and clean up unused rules without breaking business services. They also work well with routing, identity systems and monitoring tools.
Typical delivery work
- Security policy design and rule hardening
- Site-to-site and remote-access VPN setup
- Migration from legacy firewall rules to NGFW policies
- Logging, alerting and audit support
- Troubleshooting blocked applications and ports
What good work looks like
A good firewall specialist documents changes clearly and tests them before rollout. They keep access as narrow as possible, avoid open-ended rules and explain the impact of each exception. When the setup is mature, the result is secure traffic flow without constant manual fixes.
Frequently asked questions
Questions about Firewall? Start with the answers below.
A strong Firewall specialist designs and maintains the rules that control which traffic is allowed, blocked or inspected. That can include perimeter security, VPN access, segmentation between internal zones and cleanup of old rules that no one owns anymore. The goal is safer network traffic without disrupting business applications.
Bring in outside help when you are moving to a new platform, merging networks, handling a security incident or dealing with a policy that has grown too complex. A Firewall freelancer is also useful when internal teams need a short-term specialist for migrations, audits or troubleshooting. If changes are risky, an outside pair of eyes helps reduce mistakes.
A Firewall controls access based on policy and traffic rules, while IDS and IPS focus more on detecting or stopping suspicious behavior. Proxies sit closer to application traffic and can add another control layer. In real projects, these tools often work together rather than replacing each other.
A solid Firewall specialist usually understands routing, subnetting, NAT, DNS, VPNs and log analysis. Knowledge of cloud networking, identity systems and change management is also important, especially in hybrid environments. If the person can explain traffic paths clearly, that is usually a good sign.
It depends on the risk and the amount of cleanup involved. A straightforward rule change or VPN setup may only need a focused Firewall professional, while migrations, segmentation projects or messy legacy environments usually call for deeper experience. The more business-critical the traffic, the more important mature judgment becomes.
Most Firewall tasks can be handled remotely if the specialist has secure access, good documentation and a clear change window. On-site work is only needed when physical network access, local coordination or sensitive handover steps make it worthwhile. For Frankfurt teams, a hybrid setup is common when local stakeholders want direct coordination.
Look for clear reasoning, not just vendor names. A strong Firewall freelancer can explain why a rule exists, how it was tested and what the rollback plan is if something fails. Good signs also include clean documentation, sensible least-privilege thinking and familiarity with your vendor stack, whether that is Fortinet, Palo Alto Networks, Cisco or pfSense.
A Firewall project often solves blocked applications, unsafe open ports, poor network separation or difficult remote access. It can also support cloud migration, office expansion and security hardening after an audit. If traffic is allowed too broadly, the fix is usually policy cleanup and tighter segmentation.
The average hourly rate of freelancers in Frankfurt, Germany who have used Firewall in their recent projects is 104 €, which corresponds to a daily rate of about 829 € based on an 8-hour working day.
Of the freelancers in Frankfurt, Germany who have used Firewall in their recent projects, 71% hold at least a Bachelor's degree and 29% hold at least a Master's degree.
On average, freelancers in Frankfurt, Germany who have used Firewall in their recent projects have 22 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 Firewall in their recent projects are German (100%), English (96%), and Hungarian (8%).
The most common industries among freelancers in Frankfurt, Germany who have used Firewall in their recent projects are Information Technology (92%), Banking and Finance (68%), and Professional Services (48%).
The most common business areas among freelancers in Frankfurt, Germany who have used Firewall in their recent projects are Information Technology (100%), Operations (84%), and Project Management (80%).
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.
Berlin 
Hamburg 
Munich 
Cologne 
Stuttgart 
Dusseldorf 
Dortmund 
Nuremberg Request a free demo
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Philipp Thomaschewski
FRATCH CEO
