Networks & Engineering

1global; Lisboa; Hybrid; EUR 90,000 - 130,000; Full time

Job summary

1GLOBAL is seeking a Network Solution Architect to lead the design of data and voice telecom solutions across Lisbon and Madrid. You will interface with internal and external stakeholders, define technical requirements, and drive end-to-end architecture efforts for complex, multi-country deployments.

The role requires strong expertise in mobile networks, 5G core, SIP/DIAMETER protocols, and cloud-based technologies, with excellent communication skills and English proficiency.

Qualifications

• Excellent understanding of Mobile Networks and architectures.
• Experience with MVNO architecture and roaming, including technical, commercial, and regulatory aspects.
• Solid knowledge of networking principles and security.
• Experience with MAP, CAMEL, SIGTRAN, DIAMETER, SIP protocols.
• Knowledge of OCS and Gy/Sy interfaces.
• Experience with VoLTE and VoWiFi.
• Experience with LTE, 5G, IMS, IP technologies and protocols.
• Familiar with cloud-based solutions and virtualization technologies.
• Ability to create and present High/Low Level Designs and documentation.
• Experience with 5G Core Mobile Networks and monitoring tools.
• Excellent communication and presentation skills; English required.

Responsibilities

• Lead requirements analysis with stakeholders to refine scope for implementation.
• Design new consumer and corporate telecom solutions.
• Collaborate with technical teams to define reliable, scalable solutions.
• Document and present solutions, including impacts and resources.
• Market prospect new solutions and engage suppliers in RFx processes.
• Monitor technology trends and define roadmaps for the portfolio.
• Ensure quality of documentation (HLD/LLD/WO) and implementation testing.
• Ensure compliance with industry standards and regulations.
• Work on complex solutions affecting current and future products.

Skills

Mobile networks

MVNO architecture

Roaming environment

Networking principles

SIP/DIAMETER/SIGTRAN

5G Core Networks

VoLTE/VoWiFi

Cloud & virtualization

High/Low Level Design

Stakeholder communication

Project planning

Cross-cultural collaboration

Education

Degree in Telecom Engineering or Computer Science or equivalent experience

Job description

Network Solution Architect - Data and Voice - Lisbon/Madrid

Lisbon, Portugal

Porto, Portugal

Madrid, Spain

Barcelona, Spain

Full-time

The Architect is responsible for leading the requirements analysis process, in close contact with all relevant stakeholders, to a refined and clear scope, allowing a solution to be created, documented and planned to be implemented.

About the Role

• Iterates with the customer (internal and external) and other stakeholders to determine the technical requirements, risks, technical impacts, and recommendations
• Design of new consumer and corporate telecom solutions
• Collaborates with technical teams in defining reliable, modular, scalable, and customer-centric solutions, as well as planning and reviewing solutions
• Design and present solutions in documents and workshops. For the solution identifies the impacts, efforts and the resources needed
• Market prospection of new solutions through elaboration and analysis of Request for Information/Proposal/Quotation processes and negotiation with potential suppliers
• Follow up of new technology trends in the Telecom industry and identifying interesting solutions for the product portfolio
• Definition and follow up of company technological evolution roadmaps
• Documents the existing technology portfolio and proposes recommendations for improvements and / or alternatives
• Ensure and control quality of documentation execution (HLD’s, LLD’s, WO’s, etc.)
• Ensure and control implementation quality. Understanding of End to End system testing requirements
• Ensure the network is compliant with industry standards and regulations
• Capacity and Performance Analysis, Reporting and Improvement Solution Definition
• Work on complex solutions that influence the design of current products and addresses design issues for future products or technologies. Enhance, simplify, and optimize existing applications and processes
• Evolves the engineering maturity to be on par with the non-functional and functional state-of-the-art
• Communicates transparently to the whole business
• Reaches out to other teams and works towards alignment and overall continuous improvement

Requirements

About You

Must-haves

• Excellent understanding of Mobile Networks and its architectures
• Experience with MVNO architecture(s) and landscape. Familiar with roaming environment, including its technical, commercial and regulatory aspects
• Solid knowledge of networking principles & protocols, including security
• Experience in network protocols like MAP, CAMEL, SIGTRAN, DIAMETER, SIP
• Knowledge and experience of OCS and Gy/Sy interfaces
• Experience with VoLTE and VoWiFi
• Experience with LTE, 5G, IMS, IP technologies and protocols
• Familiar with cloud-based solutions and virtualization technologies
• High Level Designs and Low Level Designs. Experience developing and presenting internal and external documents
• Experience with 5G Core Mobile Networks
• Experience with monitoring tools and protocols in Mobile Networks
• Anticipates problems and addresses them before they cause impact
• Understands how big-picture goals inform technical details and vice-versa
• Ability to work in complex environments (multi-cultural/multi-country/geographically distributed teams)
• High attention to detail. Doesn't leave things to be addressed or left undone
• Business oriented, capable to engage and discuss with non technical persons in order to create technical requirements
• Excellent communication and presentation skills
• English proficiency mandatory, other languages are a plus
• Degree in Telecom Engineering or Computer Science or equivalent experience

Nice-to-haves

• Experience with cloud applications monitoring and analytics is a plus
• Experience with AI/ML cloud based service assurance is a plus
• Extensive working experience in telecoms, designing and implementing mobile core networks

Why 1GLOBAL?

• Growth Opportunities:Advance your career in one of the fastest growing telecommunications companies, expanding over 100% year-on-year under the leadership of successful tech entrepreneurs.
• Major Transaction Exposure:Be in the driver’s seat for transactions that will have an impact on the future telco industry.
• Work with a Talented Team:From the Board and the Founders to the Senior Management Team, you will collaborate daily with the most capable and renowned external advisors, and constantly being exposed to talented and driven individuals.
• Dynamic Work Environment:Thrive in a collaborative, fast-paced workplace where innovation is encouraged, and every contribution counts.
• Professional Development:Work alongside industry experts to enhance your skills and knowledge in a cutting-edge field.
• International Experience:Gain opportunities to work in different 1GLOBAL offices around the world as you grow within the company.
• Open Communication Culture:Join a team where your ideas are heard, and open dialogue is encouraged, fostering a supportive and transparent work environment.
• Get Things Done Attitude:Be part of a results-driven team that values efficiency, creativity, and the drive to make a tangible impact in the industry.

1GLOBAL is an equal opportunity employer, we value your character as much as your talent. Diversity drives our innovation, and we offer a collaborative, dynamic, and international work environment. We are excited for you to join our mission to revolutionise connectivity globally.

1GLOBAL is a trading name of 1GLOBAL Holdings B.V.