Jobs in Spain

Teltronic is a leading company in the telecommunications sector and our projects of solutions for critical sectors guarantee communications in sectors such as public safety, emergencies or transport, among others.

If you are interested in training in the field of telecommunications, we can give you the opportunity to develop and provide you with the necessary experience so that you can achieve a professional future in the sector.

If you have recently graduated with a Bachelor’s or Master’s degree in Telecommunications Engineering, Computer Science or Electronics and you have a minimum English level of B2, send us your CV and we will inform you of the different options.

Teltronic is a company with more than 45 years of experience in the telecommunications sector, formed by a multidisciplinary and international team, with projects in more than 60 countries around the world.

If you want to join our team, you can send us your CV using the following form. We will be delighted to receive it and we will take it into consideration in future selection processes.

Main Responsibilities

Lead and grow Teltronic’s sales in the French market, identify strategic opportunities, and manage key relationships in the field of critical communications, particularly in the transport, energy, and other industrial sectors.

• Develop the commercial activity of our critical communications solutions in France.
• Manage relationships with railway operators, integrators, and public institutions.
• Represent Teltronic at trade shows, events, and European consortiums.

Profile

• Higher education in telecommunications/electronics engineering, business development, or international trade.
• Professional fluency in French (bilingual) is mandatory – Spanish language skills required.
• Initial residence in Zaragoza (Spain) or willingness to relocate.
• Availability for regular travel within France.

Professional Experience

• Minimum of 5 years in business development of technological solutions for public institutions, transport operators, and major accounts in the telecommunications sector (preferably in critical communications).
• Strong asset: experience in railway sector projects such as GSM-R, FRMCS, signaling, intelligent transport, etc.

Key Skills

• Results-oriented commercial profile with the ability to build trust in technical and public environments.
• Autonomy and proactivity in opening markets and maintaining long-term relationships.
• Strong communication skills with engineering, pre-sales, marketing, and project management teams.
• Cultural adaptability and negotiation skills in international contexts.
• Strategic vision with a strong operational focus.

We are looking for a Backend Software Developer with knowledge of Java and C/C++ to join the Applications Area of TELTRONIC’s R&D Department.

In our Applications Area, we design and develop next-generation communications systems: from MCX servers and mobile applications to control and coordination centers.

We fully develop all these products to provide complete solutions for public safety and security forces, civil protection agencies, medical services, and fire brigades worldwide, as well as for transportation systems.

The platform includes real-time VoIP services with access from desktop applications, geographic information systems, interaction with communications and railway infrastructures, as well as the development of communication protocols and even low-level embedded software.

Take part in the development of this project, interact with the rest of the products, external systems, and colleagues, becoming a crucial part of our development team.

Responsibilities:

• Design and develop backend applications based on microservices architecture
• Work within the continuous integration and continuous delivery (CI/CD) process
• Carry out code quality processes, code reviews, and testing
• Interact with internal stakeholders and provide technical support

What are we looking for?

• Degree in Computer Engineering, Software Engineering, Higher Technical Degree in Application Development, or similar
• Minimum of 3 years of experience in software development

Requirements:

• Proficiency in Java development
• Proficiency in C/C++ development
• English level B1

Desirable experience:

• Knowledge of VoIP communication protocols (SIP/SDP)
• Experience in microservices-oriented development
• Knowledge of secure development practices (communication encryption, data storage, etc.)
• Experience in container-based development (Docker)
• Experience with relational and non-relational databases
• Experience in REST API design and implementation

Personal skills:

• Organized, methodical, and detail-oriented person, willing to work as part of a team
• Availability for occasional international travel
• Driving license

Technologies we use:

• Java
• Spring and Spring Boot
• Relational and non-relational databases
• Docker / Kubernetes
• Jenkins
• RabbitMQ
• C / C++
• Cilium

We are looking for a Backend Software Developer with knowledge of Java and C/C++ to join the Applications Area of TELTRONIC’s R&D Department.

In our Applications Area, we design and develop next-generation communications systems: from MCX servers and mobile applications to control and coordination centers.

We fully develop all these products to provide complete solutions for public safety and security forces, civil protection agencies, medical services, and fire brigades worldwide, as well as for transportation systems.

The platform includes real-time VoIP services with access from desktop applications, geographic information systems, interaction with communications and railway infrastructures, as well as the development of communication protocols and even low-level embedded software.

Take part in the development of this project, interact with the rest of the products, external systems, and colleagues, becoming a crucial part of our development team.

Responsibilities:

• Design and develop backend applications based on microservices architecture
• Work within the continuous integration and continuous delivery (CI/CD) process
• Carry out code quality processes, code reviews, and testing
• Interact with internal stakeholders and provide technical support

What are we looking for?

• Degree in Computer Engineering, Software Engineering, Higher Technical Degree in Application Development, or similar
• Minimum of 3 years of experience in software development

Requirements:

• Proficiency in Java development
• English level B1

Desirable experience:

• Experience in microservices-oriented development
• Experience in container-based development (Docker)
• Experience with relational and non-relational databases
• Experience in REST API design and implementation
• Knowledge of event-driven system design

Personal skills:

• Organized, methodical, and detail-oriented person, willing to work as part of a team
• Availability for occasional international travel
• Driving license

Technologies we use:

• Java
• Spring and Spring Boot
• Relational and non-relational databases
• Docker / Kubernetes
• Jenkins
• RabbitMQ
• C / C++
• Cilium

We are looking for a Software Developer with knowledge of the C/C++ / C# / .NET stack to join the Applications Area of TELTRONIC’s R&D Department.

In Teltronic´s Applications Area, we design and develop next-generation communications systems: from MCX servers and mobile applications to control and coordination centers.

We fully build all these products to provide complete solutions for public safety and security forces, civil protection agencies, medical services, and fire brigades worldwide, as well as for transportation systems.

The platform includes real-time VoIP services with access from desktop applications, geographic information systems, interaction with communications and railway infrastructures, as well as the development of communication protocols and even low-level embedded software.

Take part in the development of this project, interact with the rest of the products, external systems, and colleagues, becoming a crucial part of our development team.

Responsabilities: 

• Design and develop software solutions that are part of communication systems and control centers
• Work within the continuous integration and delivery (CI/CD) process
• Carry out code quality processes, code reviews, and testing
• Interact with internal stakeholders and provide technical support

What are we looking for?

• Degree in Computer Engineering, Software Engineering, Higher Technical Degree in Application Development, or similar
• Minimum of 3 years of experience in software development
• Organized, methodical, and detail-oriented person, willing to work as part of a team
• Driving license and own vehicle

Requirements:

• Proficiency in C++, C#, .NET development
• Knowledge of SQL
• English level B1

Desirable experience:

• Experience in multithreaded application development
• Experience in client-server development
• Experience with Microsoft Visual Studio
• Experience with C# WPF
• Experience with C++ MFC
• Knowledge of development following SOLID principles
• Experience with SQL Server databases

Technologies we use:

• C / C++
• C#
• .NET
• Relational and non-relational databases
• Docker / Kubernetes
• Jenkins
• RabbitMQ

Teltronic is seeking a Telecommunications Engineer or a professional with a similar technical background to join the Embedded Systems team within the R&D Department.

Key Responsibilities:

The main responsibilities of the role include:

• Development of C/C++ applications for Embedded Linux environments
• Development and maintenance of device drivers
• Execution of unit and integration testing during deployment phases
• Verification and validation activities
• Preparation and maintenance of project-related technical documentation

Required Qualifications and Experience:

• Degree in Telecommunications Engineering or a related field
• Minimum 2 years of experience in:
  • C/C++ programming for Embedded Linux systems
  • Yocto Project
  • GNU Compiler Collection (GCC)
  • Networking technologies (TCP/IP, routing, Ethernet, NAT, firewalls)
  • VoIP technologies, including SIP-based voice signaling protocols (PJSIP) and audio codecs
• Professional proficiency in English
• Valid driver’s license and access to a vehicle

Preferred Qualifications and Experience:

• Development in Real-Time Operating Systems (RTOS)
• Knowledge of Cybersecurity principles and practices
• Experience with software development lifecycle methodologies, software quality standards (SIL), and software configuration management tools such as SVN/TortoiseSVN
• Experience with test automation tools (Python, Robot Framework, etc.)
• Familiarity with communication protocols such as I2C, CAN, MVB, among others
• Experience working with Device Tree configurations

Personal Skills:

• Strong problem-solving and decision-making skills, with the ability to prioritize effectively and work under pressure while maintaining a customer-focused approach
• Flexible and adaptable to changing business needs and urgent situations
• Organized, methodical, and detail-oriented, with strong planning and time-management abilities
• Self-motivated, accountable, and capable of working independently

At Teltronic, we are looking for a talented professional to join our R&D – Systems – Verification & Support Team, contributing to the development and validation of mission-critical technology solutions.

Your Mission:

Ensure the quality, reliability, and performance of our systems through the design, execution, and automation of software and hardware testing activities.

Key Responsibilities:

• Design, execute, and document functional and integration tests
• Identify, analyze, and track defects and incidents
• Prepare test reports, quality metrics, and validation documentation
• Collaborate closely with development teams to validate new features and system enhancements
• Participate in performance, regression, and system testing activities
• Develop and maintain automated test cases using Python
• Configure and validate network and communication environments.

Requirements:

• Higher Vocational Training (CFGS) in Multiplatform Application Development (DAM) or an equivalent qualification
• Knowledge of programming languages such as Python, C, or C++
• Understanding of networking concepts, including:
  • TCP/IP
  • DNS
  • DHCP
  • LAN/WAN
  • Routing
• Experience with network analysis tools such as Wireshark
• Familiarity with issue tracking and defect management tools
• Intermediate to advanced English level (B2/C1 certification is considered an asset)
• Previous experience in testing, software development, and networking is desirable

Skills:

• Strong analytical and problem-solving skills
• Quality-oriented mindset and attention to detail
• Proactive attitude with the ability to take initiative
• Strong teamwork and collaboration capabilities
• Ability to document and communicate issues clearly and effectively

At Teltronic, we are looking to expand our R&D – Embedded Systems – Hardware & Maintenance team with a new team member who will contribute to the validation of technological solutions and the automation of testing activities for mission-critical systems.

Mission:

Ensure the quality, reliability, and performance of our embedded systems through the design, execution, and automation of software and hardware testing activities.

Key Responsibilities:

• Design, execute, and document functional and integration tests
• Identify, log, and analyze defects and issues
• Prepare test reports and quality metrics
• Collaborate with development teams in the validation of new features and functionalities
• Participate in performance and regression testing activities
• Develop and maintain automated test cases using Python
• Support the configuration and validation of networking and communications environments

Required Qualifications:

• Higher Vocational Training (Advanced Technician Diploma) in Multiplatform Application Development (DAM), Computer Science, or a related field
• Programming knowledge in Python and C/C++
• Knowledge of networking and communications technologies, including:
  • TCP/IP
  • DNS and DHCP
  • LAN/WAN
  • Routing
  • Wireshark
• Experience with issue-tracking tools such as JIRA
• Regular use of Microsoft 365 applications
• Intermediate level of English (B1 certification or higher will be considered an advantage)

Preferred Qualifications:

• Experience in software testing and test automation
• Knowledge of networking technologies and broadband radio routers
• Experience in railway environments and systems
• Knowledge of cybersecurity principles and practices
• Experience with AI-assisted programming tools and techniques.

Key Competencies:

• Strong analytical and problem-solving skills
• Ability to clearly document and communicate issues and findings
• Team-oriented mindset with strong collaboration skills
• Proactive attitude and strong commitment to quality