DNS Experts in Essen
in minutes from over 15,000 CVs with the power of AI.Hire experts who design DNS zones, secure records, and keep name resolution stable across web, mail, and internal systems. They work with BIND, PowerDNS, Unbound, and cloud DNS setups, with fast, precise matching from vetted, available freelancers.
Meet FRATCH Experts in Essen, who have recently used DNS
Jens Schneeweiß
Last position:
Network Technology at ISP, Internet Service Provider, BGP Peering
- Optimization of the transmission media of the data links in the Ruhr area
- Configuration/expansion of switches and routers for an autonomous system AS
- Improve the network protocols used Layer 2/3 (OSI model), RSTP, broadcast, etc.
- Laying cables, crimping, antennas, routers, switches
- Maintenance, expansion, selection and prioritization of troubleshooting measures for network monitoring (PRTG, The Dude)
- Organization and new connection of another BGP peering, data center, NGN fiber optic
- VPN IPSec site connections for 6 sites with PFSense, Fritzbox
- Configuration of WLAN devices (Mikrotik, UBNT
Label: TCP/IP, VLAN, BGP, OSPF, MPLS, VPLS, routing protocols, WLAN, EoIP, PPPoE, routing, SNMP, DHCP, DNS, NAT, native IP, VLAN, Ethernet, VoIP., switches and routers from: Nortel, Cisco, MikroTik, UBNT., network management systems: The Dude, PRTG, UISP
Adem Susam
Last position:
IT Consultant (Test Manager) & CEO at Trikolon Consulting GmbH
- Development and implementation of test concepts for complex, multi-layered systems
- Creation of regular management reports and presentations for stakeholders and clients
- Technical and disciplinary leadership of international test teams (coordination, coaching, resource planning)
- Responsibility for quality assurance across multiple test levels (unit, integration, system, and acceptance tests)
- Design of test cases and test plans in Azure DevOps; ensuring traceability and coverage
- Use of BDD approaches (Gherkin/Cucumber) to prepare test automation
- Building a test automation architecture with Playwright and integrating new tests into CI/CD pipelines
- Performing API tests (REST) and tests for mobile/PWA applications
- Setup and maintenance of test environments across multiple stages (integration, QA, UAT, pre-production)
- Test data management (synthetic and production-like data), ensuring consistency and reproducibility
- Collaboration with DevOps teams for containerization (Docker/OpenShift) and CI/CD integration
- Working under SAFe & Scrum, closely coordinating with product owners and DevOps teams
- Active participation in PI plannings, sprint reviews, and retrospectives
- Promoting an agile QA culture through coaching and knowledge sharing
- Introducing scalable test automation with Playwright → significant reduction of manual testing efforts
- Increasing test transparency through clean defect and reporting management in Azure DevOps
- Improved release quality through an end-to-end QA strategy and automated regression tests
- Strategic leadership of Trikolon Consulting GmbH and responsibility for finance, personnel, and business development
Gernot Lang
Last position:
Founder and Managing Director at Softwerk/Ruhr GmbH
- Architecting and developing SaaS platform for graphical definition and execution of pandas data processing pipelines
- Developed POlyglott, an open-source Python CLI tool for translation workflow management featuring PO file parsing, quality linting with glossary enforcement, and DeepL API integration for machine translation
- Developed web application for material compliance management (EU REACH) using Django and modern web technologies
- Built automated infrastructure platform using Proxmox, Terraform, and Ansible — VM provisioning, configuration management, internal DNS, and fleet-wide security hardening across multiple subnets
Pascal Farys
Last position:
Senior Network Security Consultant at IT-Systemhaus
- Provided expert level consulting for lifecycle, upgrades and refresh activities
- Used Remedy for effort recording and billing to customers
- Used ServiceNow for service management and workflow
- Used Jira for project management with agile/Scrum methods
- Used Confluence for documentation
- Worked with customer-specific software tools
- Worked with customer-provided and secured hardware suitable for IT security operations infrastructure setup for customers
- Built firewall rule sets and handed over to service owner and delivery teams
- Environment: Cisco ASA, Cisco Firepower, CSM, Cisco AnyConnect, Cisco ISE, Check Point VSX and gateways
Mohamad Alosman
Last position:
Systems Engineer for Network Security at Bechtle AG
- SD-WAN solution by Aruba – Swiss energy company (330 sites): design and implementation of an SD-WAN branch solution with Aruba 9004 gateways, encrypted overlay, policy-based routing, WAN load balancing, and centralized management via Aruba Central.
- LAN/WLAN & security – schools in Germany (9 sites): deployment of Aruba switches & AP-505, FortiGate 80F firewalls; setup of Checkmk monitoring, incident and change management, and secure admin access (BeyondTrust).
- Multi-site security – energy billing company (20 sites): deployment of a complete Fortinet solution (FortiGate HA cluster, FortiSwitch PoE, FortiAP), IPsec remote-access VPN via FortiClient, centralized management via FortiCloud, IntraID authentication, operations and incident management.
- Data center migration – German client: migration of data center switches (Mellanox), firewall cluster, and OfficeConnect switches to a new data center; securing configurations, implementing HA designs, testing, monitoring, and coordinated change and incident processes. Setup of two new 6300 M VSX clustered switches.
- Data center security – university hospital: implementation of a high-availability FortiGate 400F firewall cluster across three data centers; security policy design, operational support, and change/incident management.
- Enterprise campus & network access control – manufacturing company in Germany: introduction of Aruba ClearPass NAC, setup of a VSX-based switching architecture, secure WLAN access with MPSK, and integration into existing networks.
- EU client (Germany & Poland) – Sophos firewalls: operations, incident and change management of Sophos firewalls including IPsec VPN; troubleshooting and ongoing optimization of security configurations.
- Network modernization – pharmacy client in Germany: design and rollout of core and access switching (Mellanox, Aruba Instant On), migration from Sophos to Fortinet firewalls, network segmentation, and security hardening.
Marcel Rogmann
Last position:
Team Lead 1st-Level Support – supporting 1st, 2nd and 3rd level support
- Established and led the 1st-level support team of 6 employees
- Shift planning
- Conducting and designing training sessions to optimize service processes
- Setting up and maintaining a knowledge base for the support team and end users
- Rolling out MFA and Windows Hello/Conditional Access, as well as troubleshooting and documentation
- Migrating Exchange on-premises to O365 (approx. 320 users)
- User administration/access management for multiple global locations
- Supporting external employees and companies with access to internal systems and resources
- Dispatching and prioritizing incoming support cases
- Rolling out the current system build for Windows 10 devices
- Monitoring the monitoring tools and creating escalation tickets as required
- Maintaining DNS records and zones
- Replacing hardware – servers and clients
- Reporting
- Tools used: ManageEngine, Zabbix, AD, Entra, Exchange, Windows 10, 11 and Server, Q.Wiki, O365
Discover over 15,000 top freelancers
Statistics of experts using DNS
Aggregated from the professional profiles of matched freelancers.
Experience
22 years
Position duration
2 years (Germany: 3.5 years)
Positions per freelancer
17 (Germany: 15)
Top business areas
Information Technology, Operations, Product Development
Top industries
Information Technology, Manufacturing, Banking and Finance
Certification focus areas
Information Technology, Project Management, Quality Assurance
Bachelor's degree or higher
100% (Germany: 81%)
Master's degree or higher
50% (Germany: 40%)
Certifications per freelancer
5 (Germany: 4)
Most common languages
German, English, Spanish
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 Essen 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 Essen using DNS
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 DNS does
DNS, the Domain Name System, turns names into addresses. It is the lookup layer behind websites, email, APIs, and internal services. Strong specialists make sure users reach the right host fast, even when traffic grows or systems move.
Typical work
- Zone design and record management for A, AAAA, CNAME, MX, TXT, and SRV
- Resolver setup for internal and public networks
- Split-horizon DNS for mixed private and public access
- Migration of records during hosting, cloud, or mail changes
Tooling and stack
DNS work often includes BIND, PowerDNS, Unbound, Knot DNS, and cloud DNS services. Experts also handle registrars, delegation, DNSSEC, and monitoring. They know how these pieces affect latency, caching, failover, and troubleshooting.
When companies bring help
Teams usually need freelance DNS expertise during launches, migrations, outages, or security reviews. A specialist is useful when records are messy, propagation is unclear, or mail delivery depends on clean SPF, DKIM, and DMARC alignment. In Essen, this often supports mixed on-site and remote work with local IT teams.
What strong specialists do
A good DNS professional thinks in dependencies, not single records. They trace resolution from client to authoritative server, check TTLs, and spot hidden issues in delegation or caching. They also document changes so operations teams can keep the setup stable after handover.
Quality signals
- Clear understanding of authoritative servers and recursive resolvers
- Practical experience with DNSSEC and email authentication
- Careful change control and rollback planning
- Calm troubleshooting under outage pressure
DNS work touches infrastructure, security, and delivery. In Essen, specialists often support companies with multi-site networks, SaaS services, and email-heavy operations. The best freelancers explain risks clearly and fix root causes, not just symptoms.
Frequently asked questions
Curious about DNS? Here are the answers that come up again and again.
DNS maps readable names to the right network targets. Companies use it for websites, email, internal services, VPN access, and service discovery. When it is designed well, users do not notice it; when it fails, many systems fail at once.
No. DNS also controls mail routing, service records, verification tokens, and internal name resolution. A strong specialist handles public zones, private zones, and the way applications depend on them.
DNS is the underlying system; cloud DNS services are one way to run it. A freelancer can work with Route 53, Cloud DNS, Azure DNS, or traditional BIND and PowerDNS setups. The right choice depends on control, automation, and how many teams manage the records.
A good DNS specialist usually understands TCP/IP, Linux networking, firewalls, mail authentication, and certificate validation. For larger environments, experience with DNSSEC, split-horizon setups, and monitoring tools is valuable. Clear documentation is also important.
They bring in DNS help during migrations, outages, domain transfers, mail issues, or security work. It also makes sense when internal teams need a clean review before a launch or infrastructure change. In Essen, this often works well as remote support with short on-site sessions when needed.
A simple DNS record cleanup may need only a focused specialist. Complex environments with multiple zones, mail flows, and failover paths need someone who has handled incidents and migrations before. The key is real operational practice, not just theory.
Look for a DNS expert who explains delegation, TTLs, caching, and rollback steps in plain language. Good work leaves a traceable change plan, clean records, and stable resolution after the handover. They should also spot risks before making changes.
Most DNS tasks can be done remotely because they rely on access, logs, and careful coordination. On-site can help when several local teams need to align on network changes or incident response. For Essen-based companies, a mix of remote delivery and on-site meetings is common.
The average hourly rate of freelancers in Essen, Germany who have used DNS in their recent projects is 91 €, which corresponds to a daily rate of about 730 € based on an 8-hour working day.
Of the freelancers in Essen, Germany who have used DNS in their recent projects, 100% hold at least a Bachelor's degree and 50% hold at least a Master's degree.
On average, freelancers in Essen, Germany who have used DNS in their recent projects have 22 years of professional experience, with a single engagement typically lasting around 2 years.
The most common languages among freelancers in Essen, Germany who have used DNS in their recent projects are German (100%), English (100%), and Spanish (17%).
The most common industries among freelancers in Essen, Germany who have used DNS in their recent projects are Information Technology (100%), Manufacturing (83%), and Banking and Finance (50%).
The most common business areas among freelancers in Essen, Germany who have used DNS in their recent projects are Information Technology (100%), Operations (100%), and Product Development (83%).
Main locations of FRATCH Experts, who have recently used DNS
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 Frankfurt Stuttgart Dusseldorf Leipzig Dortmund 
Essen Bremen Dresden Hanover Nuremberg 
Berlin 
Hamburg 
Munich 
Frankfurt 
Dusseldorf Request a free demo
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FRATCH CEO
