DNS Expert in Essen
for reliable domains, routing and services, matched with vetted professionals in minutesHire experts who design DNS zones, secure domain resolution and connect authoritative servers with cloud and on-premises systems. FRATCH matches you quickly with precise, vetted and available freelance professionals.
Meet FRATCH Experts in Essen, who have recently used DNS
Adem S.
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
Jens S.
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
Gernot L.
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 F.
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 A.
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 R.
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
2.2 years (Germany: 3.4 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: 77%)
Master's degree or higher
50% (Germany: 44%)
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 29 Oct 2026.
Daily rate distribution
The chart shows how the daily rates of experts in this technology in Essen 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 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 29 Oct 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
DNS 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%)
- Manufacturing (83%)
- Banking and Finance (50%)
- Professional Services (50%)
- Education (33%)
- Energy (33%)
- Healthcare (33%)
- Transportation (33%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
What DNS does
DNS, or Domain Name System, translates human-readable domain names into IP addresses and other service records. It supports websites, APIs, email delivery, identity services and internal applications. A well-designed DNS setup makes services reachable and keeps changes controlled.
Zones and records
Specialists work with authoritative and recursive DNS services, hosted zones and delegated domains. They manage A, AAAA, CNAME, MX, TXT, NS and SRV records, including TTL values and split-horizon designs. They also plan zone transfers, ownership boundaries and change procedures.
Ecosystem and tooling
DNS work often connects several systems and providers. Relevant skills include:
- BIND, Unbound and Windows DNS
- Route 53, Cloud DNS and Azure DNS
- PowerDNS, Anycast and DNSSEC
- Terraform, Ansible and API-based record management
- Monitoring, logging and query analysis
These tools support repeatable changes across cloud, data centre and hybrid environments. Professionals also use dig, nslookup and specialised monitoring to verify delegation, resolution paths and propagation behaviour.
When companies need help
Companies bring in freelance DNS expertise during migrations, acquisitions, domain consolidations and cloud transitions. It is also valuable when outages, slow resolution or inconsistent records affect customers and internal teams. In Essen, specialists may work remotely or coordinate on-site with teams operating industrial, logistics, retail or service systems.
Security and resilience
Strong DNS professionals protect the resolution chain rather than treating records as simple configuration. They assess DNSSEC, registrar access, transfer controls, cache behaviour, DDoS exposure and provider redundancy. They separate internal and public namespaces where needed and document recovery steps for domain and zone incidents.
What quality looks like
A capable specialist starts with domain ownership, traffic flows and service dependencies before changing records. They test delegation, negative caching, failover and email authentication in realistic conditions. Clear documentation, controlled rollouts and useful monitoring distinguish durable DNS work from a quick record edit. Remote collaboration works well when access, approvals and escalation paths are defined.
Frequently asked questions
Curious about DNS? Here are the answers that come up again and again.
DNS maps domain names to IP addresses and publishes service information through records. Companies rely on it for websites, APIs, email, identity systems, service discovery and internal applications. A freelancer can design, migrate, secure and troubleshoot these resolution services.
A DNS service provides central, distributed name resolution across many clients and networks. A hosts file is local and difficult to govern at scale, while a service registry is usually focused on dynamic application instances. The right choice can involve using DNS for broad service access and a registry for internal workload discovery.
A strong DNS specialist should understand TCP/IP, routing, firewalls, TLS, email authentication and cloud networking. Useful adjacent skills include Linux or Windows administration, Terraform, scripting, monitoring and incident response. Experience with registrars and certificate management is also relevant.
The need depends on the risk and scope of the change. A simple record update may need focused operational support, while a domain migration, DNSSEC rollout or hybrid redesign calls for a professional who has handled delegation, caching, rollback and outages. Ask for examples that match your environment rather than relying only on a general profile.
Yes, most DNS assessment, configuration and testing can be completed remotely through controlled access and documented approvals. On-site collaboration may help when the work involves local data centres, physical network dependencies or coordinated maintenance. Clear communication in English or German should be agreed before the engagement starts.
Look for a professional who explains dependencies, TTL effects, delegation and rollback before making changes. They should test authoritative and recursive paths, review access controls and leave clear records of the final design. Practical evidence of incident handling is more useful than a list of tools alone.
DNSSEC adds validation that helps protect DNS responses from tampering. It can be valuable for public domains and services where trust in resolution matters, but it requires careful key management, registrar support and recovery planning. A specialist should assess compatibility and operational ownership before enabling it.
A DNS freelancer may deliver a zone inventory, target architecture, migration plan, configured records, automation and monitoring. They can also provide DNSSEC or email-authentication changes, test results and runbooks for future operations. The deliverables should match the company’s domains, providers and incident responsibilities.
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 2.2 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.
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Hamburg 
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Frankfurt 
Dusseldorf Countries:
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