GSM Experts in Germany
, matched in minutes by AIHire experts who design, integrate and troubleshoot GSM networks, SIM-based services and machine-to-machine connectivity. FRATCH finds the right vetted, available freelancer quickly through precise AI matching.
Meet FRATCH Experts in Germany, who have recently used GSM
Rudolf E.
Last position:
Datacenter Engineer, Network & Security Administrator at International Insurance Group
Operation and further development of the network and security infrastructure.
Monitoring, analysis and resolution of network and security incidents.
Cross-departmental collaboration with other teams on operations and further development, and reporting.
Firewall vulnerability analysis.
Firewall access requests.
Troubleshooting IP communication issues on network and firewall infrastructure.
Security-critical IT infrastructure, processing of personal data, compliance with legal requirements.
Products: Palo Alto Networks Firewalls, Cisco ACI, Checkpoint Firewalls, F5
Technologies: SDN, SDWAN, Cisco EPIC, Cisco ACI
Timo S.
Last position:
IT Project Manager / IT Demand Manager at Schuhmann IT-Consulting
- Managed (Scrum / Agile) and monitored IT projects, including project controlling, service provider management, reporting, risk management and coordination of all stakeholders
- Planned and supported the go-live and hypercare phase
- Captured, assessed and prioritized requirements for demand-oriented planning and management of IT resources
- Supported the introduction of the CRIF provider for real-time decision-making in sales, fraud prevention, sanctions list screening and scalable payment processes
- Prepared status reports and decision papers for the executive board
- Planned and managed IT projects for the implementation, optimization or migration of e-commerce systems (e.g. shop systems, payment integration, order to cash)
- Coordinated interdisciplinary teams from development, UX/UI, marketing and logistics to deliver project objectives on time
- Analyzed requirements and prepared technical specifications in close coordination with stakeholders and external service providers
- Ensured the quality, performance and security of e-commerce platforms through testing, monitoring and continuous optimization
- Organized meetings with stakeholders, e.g. Demand Thinking, Warm-Up, Impact Board and program planning
- Managed and prioritized demands as well as DMP controlling and communication of results from the Impact Board and KPI analysis
Waseem S.
Last position:
Solution Architect / Subject Matter Expert at FRMCS Device Manufacturer
Participation in the EU-funded MORANE-2 project to validate the Future Railway Mobile Communication System (FRMCS) in real-world use cases: preparation of the requirements specifications for TOBA and the associated test specifications.
Technologies: 5GS (Radio & Core), FRMCS, MCx (MCPTT, MCData, MCVideo), MC Gateway UE, MCx Priority/Security/QoS Management, ETCS, SIP, IMS
Christian R.
Last position:
Project Manager, Outlook and Teams Rollout at BWI
- Gathering information
- Creating rollout wave concepts
- Coordinating employees
- Monitoring and managing activities
- Project management including analysis and reporting to the board
- Creating instructions and specifications
- Training floorwalkers
- Supporting the rollout on site
- VIP support
- Introducing SharePoint
Adil B.
Last position:
Regional Project Manager at Huawei
- Managing the planning, implementation and delivery of 2G/4G/5G rollout projects for Deutsche Telekom, including new-build, upgrade and modernization projects,
- Ordering hardware and services for the completed sites,
- Coordinating partners to build the sites according to the planning documents and achieve project targets,
- Quality management during site deployment,
- Main contact for the customer (SPOC) and interface to internal stakeholders (Sales, Supply Chain and delivery) for all project-related matters
Andre K.
Last position:
Nearshore Engagement Manager at EnBW AG
- Building strong awareness within the company around nearshoring
- Engagement Manager in the Nearshore Competence Center
- Responsible for nearshore consulting, partner screening and technical onboarding, designing and implementing cooperation scenarios, change management, stakeholder management, participation in steering committees, and collaboration with IT and business units
- Tools used: Microsoft Office 365, Microsoft Teams, Azure Devops, Microsoft Sharepoint, Conceptboard
- Key results: Establishment of a nearshoring strategy, successful identification and implementation of outsourcing partnerships, delivery of change management and stakeholder management at the highest level
Maher S.
Last position:
Product Development – Test Management – Rollout at Telefónica Deutschland
Participation in various projects related to the development and introduction of new telecommunications products in the mobile communications and fixed-line sectors, with a focus on 5G, wholesale and IPv6 technologies.
- Planning, coordination and execution of product development projects, particularly in the 5G and fixed-line environments
- Support for the rollout of new offerings, including test management and quality assurance
- Participation in the development of wholesale products and eSIM solutions
- Close coordination with internal departments (technology, marketing, operations) and external partners
- Use of agile tools and methods for project management and collaboration
Tools: JIRA, MS Office, MS Project
Technologies: 5G, 5G Campus Networks, Fixed Network (FixNet), IPv6, eSIM, Wholesale product development
CS-APN 5G NSA – IPv6 / Dual-Stack for B2B Customers
Ensuring the use of CS-APNs in dual-stack mode (IPv4/IPv6) in combination with MPLS VPN and IPSEC VPN.
- Project management including test planning, test coordination and go-live management
- Technical coordination for activating IPv6 functionality for B2B connections
eSIM Manager – Product Development for B2B Customers
Development of a tool for the fast and scalable provision of eSIM profiles for business customers.
- Product design and process definition for activating eSIMs on different device types (smartphones, IoT, laptops)
- Collaboration with partners to integrate the solution into existing infrastructures
eSIM Handling B2B – Blanco eSIM Process Integration
Optimization of the eSIM provisioning process through the introduction of dynamic Blanco eSIM processes.
- Definition of new processes for issuing non-activated eSIMs (Blanco) via the frontend and partner community
- Design of the integration into service and IT systems
All-IP 5G NSA – Mobile Access for B2B Internet/Voice Services
Expansion of the All-IP portfolio with mobile 5G access offering higher bandwidth for business customers. (5G Indoor Coverage).
- Project management including test management and go-live preparation
- Interface coordination for introducing Local-SIM-based solutions
5G PN – Campus Roaming / Private Networks
Development and introduction of 5G Private Network (PN) solutions with a focus on industrial applications (IIoT).
- Design and definition of business use cases
- Development of SIM/eSIM processes for 5GPN, including roaming between private and public networks
IPv6 for B2B – Introduction in Mobile and Fixed-Line Products
Introduction of IPv6 support for All-IP products and M2M services in the B2B environment.
- Product and process development for integrating IPv6 (in accordance with RIPE-554)
- Implementation for large customers such as retail chains with several thousand branches in Germany and abroad
Ola V.
Last position:
IT Lecturer
- IT training in theory and practice for IT specialists in application development and system integration
Youssef A.
Last position:
Test Automation Engineer at IAV GmbH
- Executed standard/complex test cases using ECU-test and Python, improving test throughput by 30%.
- Performed validation and execution of ECU test cases on HiL benches for ADAS to ensure functional quality before release.
- Worked closely with customers to align test activities with project requirements and provide regular validation updates.
- Coordinated with subcontractors to track defects, ensure timely issue resolution, and maintain test quality.
- Ensured testbench stability and maintenance before executing test plans, identifying and resolving issues proactively.
- Developed Python-based automation scripts for reporting and workflow automation.
- Managed test issues and documentation via Jira in coordination with QA and development teams.
- Used CANPE for measuring signals of CAN, FlexRay, Ethernet, and IP using Vector CAN tools.
Ivaylo P.
Last position:
Senior Project / Rollout Manager at Deutsche Glasfaser GmbH
- Manage and coordinate site design, deployment, new Core/DWDM implementation, and optimization of a robust and scalable fiber optic network infrastructure
- Create high-level design (HLD) and low-level design (LLD) documents for core and aggregation network
- Define scope of network elements and establish operational and deployment guidelines
- Determine core-site strategy, integrate voice and ISP systems, and swap core components of 60 existing sites
- Develop site design, execute proof of concept, and deploy additional core sites
Karlheinz G.
Last position:
Consultant / Test Analyst / Supporter at Insurance office, Spaichingen
Project: Process optimization & IT support in an insurance broker office.
Project activities:
- Analysis of processes and definition of requirements
- Consulting for the implementation of a cloud solution (soho)
- Installation and verification of new infrastructure HW
- Cloud installation & configuration
- Definition and creation of use cases
- Performing user acceptance tests (UAT)
- User training / training
- IT support (cloud, PC, server, printer, network)
Label: Insurance, infrastructure, configuration, training, support
Michael E.
Last position:
Software Developer at Continental
- Supported a telematics component in the automotive sector with SELinux and open-source license management.
- Products: SELinux, iMX8, ScanCode.
- Skills: Linux, firmware development, Python.
Marko O.
Last position:
System Administrator in a 6-person Team at FITS
- System administration of FreeBSD 11, 12 and 13.1 in a secure cloud software solution
- Administration of proxy servers for FITS and its clients, banks and state banks
- Administration of secure internet solutions
- Administration of secure mail solutions and mail gateways
- Administration of Apache 2.4 web servers
- Planning and maintenance of servers and network components in FNT Command
- Incident, change and ticket handling, especially troubleshooting network issues using Splunk and ARS
- Troubleshooting and log file analysis using Splunk Enterprise
- Monitoring with Nagios
- Ordering, provisioning and installation of certificates on Apache web servers, Nginx web servers and load balancers
- Hardware: HP ProLiant DL380 Gen 9 and 10, Cisco Catalyst
- Software: FreeBSD 11, 12 and 13.2, FNT Command, shell scripts, MySQL databases, ServiceNow, ARS, Splunk Enterprise 8.15
Vivian Y.
Last position:
Global Sourcing Manager, Team Lead of Six at Corsair (Fanatec)
- Lead strategic sourcing for BMW GT3/GT4, Bentley GT3, Porsche 911 GT3, and McLaren GT3 racing/steering wheels and quick-release systems; own end-to-end COGS and raw-material spend across electronics and mechanical BOMs; oversee €65M annual spend and 20-25 programs per year.
- Directly responsible for procurement of servo motor and structural parts (CNC, die-cast, injection, extrusion, stamping, anodizing) managing €30M annual spend.
- Collaborate with internal R&D teams and PMO to identify and analyze project requirements; run early ability to analyze bills of materials and technical drawings/schematics to align material strategy before RFQ.
- Lead all procurement-related functions within the project, including supplier sourcing, negotiation, contract management, supplier documentation management, and material management for assigned projects.
- Ensure supply continuity during project execution via dual-sourcing, lead-time/buffer planning, and escalation routines with suppliers and operations.
- Monitor change activities during the transition from sample to production-ready (EVT/DVT -> PVT -> MP) with engineering and suppliers to protect the company from potential supplier claims (scope, tooling, obsolescence) and keep commercial terms under control.
- Quickly and accurately identify problems and report on status and required actions to stakeholders (senior and C-level); drive root-cause actions with clear owners and timelines until closure.
Thorsten G.
Last position:
Freelance Software Developer at Insurance company, Munich, Germany
- Implemented modernization measures to optimize processes in the insurance domain
- Replaced old interfaces with newer APIs
- Merged several smaller solutions into one main solution to improve builds and increase efficiency in the development process
- Replaced the persistence solution in the backend from Telerik to NHibernate
- Created unit tests to secure the code
Discover over 15,000 top freelancers
Statistics of experts using GSM
Aggregated from the professional profiles of matched freelancers.
Experience
27 years
Position duration
2.1 years
Positions per freelancer
19
Top business areas
Information Technology, Product Development, Project Management
Top industries
Information Technology, Telecommunication, Manufacturing
Certification focus areas
Information Technology, Project Management, Operations
Bachelor's degree or higher
87%
Master's degree or higher
68%
Doctorate
6%
Certifications per freelancer
4
Most common languages
German, English, French
Speak two or more languages
95%
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 Germany 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 Germany using GSM
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.
GSM 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 (87%)
- Telecommunication (85%)
- Manufacturing (64%)
- Automotive (62%)
- Banking and Finance (41%)
- Government and Administration (38%)
- Transportation (33%)
- Aerospace and Defense (31%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
GSM at a glance
GSM, short for Global System for Mobile Communications, is a digital cellular standard best known for voice calls, text messaging and low-bandwidth mobile data. Often called 2G, it established a common foundation for mobile communication across networks and devices. GSM still matters in embedded connectivity, legacy systems and regions where simple, wide-area communication is essential.
What GSM supports
GSM systems connect mobile devices through radio access networks, base stations, core network functions and subscriber identity modules. They support authentication, roaming, call handling, SMS delivery and packet data through extensions such as GPRS and EDGE. Specialists may also work with frequency planning, signaling, handover behavior and network monitoring.
Typical project work
- Integrating GSM modules into industrial equipment, alarms and tracking devices
- Configuring SIM-based authentication and mobile network access
- Supporting SMS gateways, remote commands and notification services
- Diagnosing coverage, registration, roaming and handover problems
- Maintaining connectivity for legacy and machine-to-machine systems
These projects often combine hardware, firmware and telecom operations. In Germany, GSM expertise can support logistics, utilities, manufacturing and field-service systems that need dependable communication beyond fixed networks.
Ecosystem and adjacent skills
GSM work commonly touches SIM and eSIM provisioning, GPRS, EDGE, LTE fallback, IMS, SS7, Diameter and IP networking. Strong specialists understand radio concepts as well as embedded Linux, modem commands, device management and cloud integration. Experience with protocols, packet captures and observability tools helps isolate faults across the device and network boundary.
When companies need specialists
Companies bring in freelance GSM expertise when a product must connect reliably in the field, when a legacy deployment needs support or when a telecom integration is failing in production. A specialist can assess modem selection, carrier compatibility, roaming behavior and security assumptions before they become costly issues. Remote work suits configuration, analysis and documentation; on-site collaboration may help with hardware tests, antenna setup or controlled network trials.
What strong professionals deliver
The best GSM professionals distinguish radio symptoms from device, SIM, carrier and application faults. They document network assumptions, test registration and recovery paths, and define clear acceptance criteria for coverage and message delivery. They also plan for changing network availability by evaluating migration paths to newer cellular standards where the system allows it. Clear communication in English or German is valuable when teams, suppliers and carriers are spread across Germany and beyond.
Frequently asked questions
Everything clients usually want to know about GSM, in one place.
GSM is used for mobile voice, SMS, basic data services and connectivity in embedded or legacy devices. Common examples include alarms, payment terminals, tracking equipment, remote monitoring and machine-to-machine systems. Its relevance depends on the available network infrastructure and the required data performance.
GSM generally offers simpler, lower-bandwidth connectivity than LTE and newer mobile standards. It can suit small messages, voice and established devices, while LTE is better for higher data volumes, lower latency and newer network services. A specialist should assess coverage, device lifetime, carrier plans and migration requirements before choosing a standard.
GSM projects often require knowledge of SIM provisioning, GPRS or EDGE, modem commands, embedded systems and IP networking. Useful adjacent skills include radio diagnostics, device management, cloud integration, security and telecom signaling. The right combination depends on whether the work centers on hardware, network operations or an application service.
A strong GSM freelancer should have practical experience with the specific device, modem, carrier environment or integration being used. A contained configuration task may need less background than a rollout spanning hardware, roaming and production support. Ask for evidence of comparable troubleshooting, test plans and documented handover work.
GSM work can often be handled remotely through logs, modem traces, configuration reviews, simulations and carrier coordination. On-site sessions in Germany may still be useful for antenna testing, device access or lab validation. Agree early on equipment access, escalation paths and whether communication should be in German, English or both.
Look for a GSM specialist who can explain registration, authentication, roaming, handover and packet-data failures in practical terms. Review how they separate device, SIM, radio, carrier and application causes. A good professional proposes reproducible tests, measurable acceptance criteria and clear operational documentation.
GSM may still fit a product with modest data needs and a supported network, but availability varies by country and carrier. Product teams should check the expected service lifetime and consider LTE-based alternatives before committing to a new design. A specialist can compare modem options, coverage and migration effort.
A GSM freelancer may deliver a connectivity assessment, modem configuration, SIM and carrier integration, diagnostic report, test plan or production handover guide. They can also document failure recovery, roaming behavior and monitoring requirements. The scope should specify the target devices, networks and acceptance conditions.
The average hourly rate of freelancers in Germany who have used GSM in their recent projects is 98 €, which corresponds to a daily rate of about 786 € based on an 8-hour working day.
Of the freelancers in Germany who have used GSM in their recent projects, 87% hold at least a Bachelor's degree, 68% hold at least a Master's degree, and 6% hold a doctorate.
On average, freelancers in Germany who have used GSM in their recent projects have 27 years of professional experience, with a single engagement typically lasting around 2.1 years.
The most common languages among freelancers in Germany who have used GSM in their recent projects are German (100%), English (92%), and French (28%).
The most common industries among freelancers in Germany who have used GSM in their recent projects are Information Technology (87%), Telecommunication (85%), and Manufacturing (64%).
The most common business areas among freelancers in Germany who have used GSM in their recent projects are Information Technology (95%), Product Development (82%), and Project Management (79%).
Main locations of FRATCH Experts, who have recently used GSM
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 
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