GSM Experts in Germany
to connect mobile systems with vetted professionals, matched by AIHire experts who design, integrate and troubleshoot GSM networks, SIM-based services and machine-to-machine communication. Get precise support for coverage planning, signaling, radio access and legacy mobile connectivity through fast matching with vetted, available freelancers.
Meet FRATCH Experts in Germany, who have recently used GSM
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
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-department collaboration with other specialist teams for operations, further development and reporting.
Firewall vulnerability analysis.
Firewall rule approvals.
Troubleshooting IP communication issues in the network and firewall infrastructure.
Security-critical IT infrastructure, processing of personal data, compliance with legal regulations.
Products: Palo Alto Networks Firewalls, Cisco ACI, Checkpoint Firewalls, F5
Technologies: SDN, SDWAN, Cisco EPIC, Cisco ACI
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
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
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
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
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.
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.
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.
Rupesh K.
Last position:
IT Baseline Compliance Consultant at Consultant
- Baseline compliance verification against MAS audit findings
- Building technical architecture concept for 30 technologies to build hardening standard artifacts
- Identifying and building automation possibilities for given technologies based on CIS
- Building the standard baseline configuration based on internal security standard
- Responsible for building Cloud Native Application Protection Platform (CNAPP) architecture artifacts based on Azure cloud platform
- Responsible for RFQ and RFP for different CNAPP solutions (Qualys Total Cloud, CrowdStrike, Azure Security Center)
- Supporting compliance verification and validation via automated scripts for a sample population of IT devices and instances
- Responsible for complete vulnerability management lifecycle using Nexpose, remediation, reporting and integration of results with Splunk, HPSM and Tableau
- Audit support for MAS
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 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
88%
Master's degree or higher
69%
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 9 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 9 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 (88%)
- Telecommunication (85%)
- Manufacturing (65%)
- Automotive (60%)
- Banking and Finance (43%)
- Government and Administration (38%)
- Transportation (33%)
- Aerospace and Defense (30%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
GSM foundations
GSM, or Global System for Mobile Communications, is a cellular standard for voice, messaging and mobile data. It defines how mobile devices, SIM cards, radio networks and core network services authenticate users and exchange traffic. Although newer networks handle most consumer data, GSM remains relevant in industrial, embedded and coverage-sensitive systems.
Where GSM is used
Companies use GSM when they need dependable mobile reach, established hardware support or a simple connection for devices in the field. Typical applications include:
- Machine-to-machine communication for alarms, meters and tracking units
- Voice and SMS services for operational and safety workflows
- Remote monitoring for industrial, transport and utility equipment
- SIM-based access, authentication and device provisioning
- Backup connectivity for systems that cannot rely on local networks
Network ecosystem
GSM work can span radio access equipment, base station controllers, mobile switching systems and subscriber databases. Specialists may also work with SIM and eSIM provisioning, SMS gateways, SS7 signaling, IP connectivity and network management tools. Knowledge of LTE, 5G, cellular IoT and embedded Linux often helps when GSM is part of a wider connectivity architecture.
Project responsibilities
Freelance professionals support mobile network rollouts, legacy system maintenance and connected-product delivery. Their tasks can include radio planning, coverage checks, SIM lifecycle management, protocol analysis, fault isolation and integration with enterprise applications. In Germany, they may collaborate with manufacturers, logistics teams, utilities and industrial operations across remote and on-site environments.
When to bring in expertise
Specialist support is useful when a company must keep older devices connected, extend coverage in difficult locations or diagnose failures between equipment and the mobile network. It is also valuable during migrations from GSM to LTE or other technologies, where compatibility, fallback behavior and device replacement need careful planning. Clear documentation helps internal teams operate the result after delivery.
What strong specialists know
A strong GSM professional understands both the standard and the practical limits of deployed networks. They can trace a problem across handset or modem, SIM, radio layer, core services and application logic rather than treating every failure as a signal issue. Look for evidence of structured testing, secure configuration, regulatory awareness and clear communication with hardware, network and software teams.
Frequently asked questions
Everything clients usually want to know about GSM, in one place.
GSM is still used for voice, SMS, alarms, telemetry and machine-to-machine connections where proven hardware and broad mobile coverage matter. It often appears in industrial equipment, tracking devices, payment terminals and backup communication paths, even when newer networks carry primary data traffic.
Global System for Mobile Communications is simpler and widely supported, but it offers less data capacity and lower performance than LTE or 5G. The right choice depends on coverage, device availability, power use, latency, security requirements and the expected lifetime of the product.
A capable GSM specialist often brings knowledge of SIM and eSIM provisioning, SMS gateways, SS7 or IP signaling, embedded devices and cellular antennas. Experience with LTE, cellular IoT, Linux, cloud integration and network monitoring is useful when the mobile connection is part of a larger system.
The required background depends on the work. A configuration or integration task may need focused knowledge of modems, SIMs and APIs, while network rollout, protocol troubleshooting or migration planning calls for experience across radio access, core services and field testing. Ask for examples that match the equipment and operating conditions of your project.
Much of a GSM project can be handled remotely through logs, configuration access, simulations and device test setups. On-site work becomes important for coverage surveys, antenna placement, interference checks and commissioning in factories, vehicles or remote installations. In Germany, clarify travel needs and whether collaboration requires German-language communication.
Ask how the specialist isolates faults across the modem, SIM, radio layer, network services and application. Strong GSM professionals define test conditions, document assumptions, protect subscriber data and explain trade-offs between coverage, reliability, power use and migration cost. Practical troubleshooting examples are more useful than familiarity with terminology alone.
2G may suit a product with modest messaging needs, long field life and compatible coverage, but suitability must be checked before a new design is approved. A specialist should review local network availability, hardware supply, fallback options, security, certification and the planned replacement path. For many new products, LTE-based cellular IoT or newer mobile standards may be a safer long-term direction.
A GSM freelancer should confirm the target countries, network operators, device and modem models, SIM arrangements, traffic patterns and required service continuity. They should also establish access to logs and test hardware, define whether the goal is integration, diagnosis or migration, and agree how field validation will be performed.
The average hourly rate of freelancers in Germany who have used GSM in their recent projects is 99 €, which corresponds to a daily rate of about 795 € based on an 8-hour working day.
Of the freelancers in Germany who have used GSM in their recent projects, 88% hold at least a Bachelor's degree, 69% 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 years.
The most common languages among freelancers in Germany who have used GSM in their recent projects are German (100%), English (93%), and French (28%).
The most common industries among freelancers in Germany who have used GSM in their recent projects are Information Technology (88%), Telecommunication (85%), and Manufacturing (65%).
The most common business areas among freelancers in Germany who have used GSM in their recent projects are Information Technology (95%), Product Development (80%), and Project Management (80%).
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 Request a free demo
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Philipp Thomaschewski
FRATCH CEO
