OSS & Mobile Core Expert (4G, 5G)

Join to apply for the OSS & Mobile Core Expert (4G, 5G) role at Celfocus.

Make an impact by working for sectors where technology is the enabler, everything is ground-breaking and there’s a constant need to be innovative.

Be part of the team that combines business knowledge, technological edge, and design experience. Our different backgrounds and know-how are key to developing solutions and experiences for digital clients.

Face challenges and learn other ways of thinking and seeing the world - there’s always room for your energy and creativity.

About the Role

Solution architecture is a practice of designing, describing, and managing the solution engineering in relation to specific business problems. Solution architecture describes how different components of business, information, and technology architectures are used in a particular solution. It provides a channel between enterprise architecture and technical architecture.

Responsibilities

- Design systems architecture that will meet business needs, by acting as a bridge between business/functional and technical teams.

- Assessing the systems' architectures and working with technical staff to recommend solutions to improve them.

- Providing supervision and guidance to technical architects and development teams.

- Continually researching current and emerging architectural patterns and paradigms, and proposing changes where needed.

- Describing the structure, characteristics, behaviour, and other aspects of the architecture to various stakeholders.

- Assessing the impacts on the overall business goals and outcomes that certain solution choices have.

- Ensure the correct behaviour of a new system/component and how it will fit the existing enterprise environment.

- Responsible for ensuring the adoption of an architecture and standards methodology.

Qualifications

- Knowledge of Telco business models and processes.

- Knowledge of E2E solutions and placement of OSS in the overall enterprise architecture.

- Knowledge of how the architecture enables interworking with network Domains as Mobile Core (4G, 5G), Transport.

- Knowledge of IP Core and Service Platforms as TV and SIP, is also valuable.

- In-depth understanding of OSS solutions and components (in Assurance, Configuration, Planning, Readiness).

- Knowledge of OSS and Automation Architectures.

- Technological background/knowledge in Microservices and Automation Platforms.

- Experience in engineering and software architecture design.

- Experience in complex/large-scale projects.

- Comfortable with ambiguity and time spent outside of comfort zone, acquiring new skills.

- Previous project management experience is advantageous.

Personal traits

- Ability to adapt to different contexts, teams and Clients.

- Teamwork skills but also sense of autonomy.

- Motivation for international projects and ok if travel is included.

- Willingness to collaborate with other players.

- Strong communication skills.

Seniority Level

Mid-Senior level

Employment type

Full-time

Job function

Other

Industries

IT Services and IT Consulting

At Celfocus, we are committed to cultivate a diverse and inclusive workplace. As an equal‑opportunity employer, we welcome applicants of all backgrounds, gender identities, and abilities. We are dedicated to providing reasonable accommodations for candidates with specific needs. If you require any adjustments during the selection process, please inform our Talent Acquisition Team.

Come join the Team

Celfocus is pioneering the future of business through Next‑Gen Intelligence – the convergence of data, AI, and human creativity to build more autonomous and adaptive organisations. Guided by our core belief – Making Data Actionable – we partner with leading companies to co‑create intelligent solutions that turn data into insight, agility, and business value. Operating in over 25 countries, we bring together business experts, data scientists, and AI engineers to turn complexity into clarity and vision into measurable impact. Founded in 2000, Celfocus is part of Novabase, listed on Euronext Lisbon. To know more, visit www.celfocus.com.

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