OSS & Network Analyst Core

Porto, Portugal

Celfocus

Celfocus is a European high-tech system integrator, providing professional services focused on creating business value through Analytics and Cognitive solutions –addressing Telecommunications, Energy & Utilities, Financial Services and other...

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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.

Create and enhance projects in Java, Python, Angular, PHP, .NET and so much more while diving in the world of Blockchain, Artificial Intelligence, Data Science, Security and Internet of Things.

Be part of the team that combines business knowledge, technological edge and a design experience. Our different backgrounds and know-how are key in 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

We are looking for an OSS & Network Analyst Core with a strong knowledge and interested in international projects (Telecommunication industry).




As a part of your job, you will:

  • Capture and understand the requirements needed to implement customer’s needs.
  • Clarify scope, identify assumptions, requirements and dependencies ensuring project alignment amongst all stakeholders.
  • Analyze, challenge, and refine both - functional and technical - requirements from key business and IT/Telco stakeholders.
  • Work closely with the Product Owner(s) and conduct workshops with business stakeholder(s) to clarify/refine requirements and solution details, prioritize requirements according to their needs, while identifying functional gaps, solution assumptions and dependencies.
  • Perform functional and technical GAP analysis of solutions to define solution functionality, specific configurations, business logic and integrations to satisfy requirements.
  • Supporting Development and Test teams during their effort estimations, low-level design, development, and testing activities.
  • Participate in Pre-sales activities by preparing responses and content for the functional part of RFP/RFI clients' requests.

What are we looking for?

  • Master/bachelor’s degree in engineering, computer science or equivalent.
  • Experience producing technical/functional design documentation.
  • Good communication skills to conduct meetings and workshops with customers, architects, and development teams.
  • Fluency in written and spoken English.
  • Hands-on experience with CORE network configuration across major vendors (e.g., Ericsson, Nokia, Huawei, and Samsung), working with associated OSS platforms (e.g., Ericsson CNIS, Huawei U2000 for Core, Nokia NetAct Core modules) for more than 3 years, including support for 2G, 3G, 4G, and 5G core network elements.
  • Comprehensive knowledge of CORE network configuration tasks, including: Node creation and parameter tuning (e.g., MME, SGSN, PGW, SGW, AMF, SMF); Integration of new network elements and expansion of existing one; Logical and physical interface provisioning (e.g., S1, S5/S8, N2/N3, Gi/NG interfaces); Support for network transformations like EPC to 5GC migrations, VoLTE/VoNR provisioning, and IP plan re-engineering; Exposure to deployments of virtualized and or containerized packet core either via private clouds or public clouds.
  • Understanding of Open Core initiatives and cloud-native architecture (e.g., containerized 5G Core, Kubernetes-based deployments)
  • Exposure to service orchestration and automation platforms (e.g., ONAP, Ansible, CI/CD pipelines for Core configurations)
  • Experience in network performance optimization and fault management for Core domains

Nice to have:

  • Experience as an Analyst in IT/Telco delivery projects with hands-on experience in functional analysis.
  • Knowledge and mindset of agile and scrum methodologies.
  • Knowledge of TMForum Frameworks and best practices.
  • Knowledge of Architecture best practices and design patterns.

Personal traits

  • Ability to adapt to different contexts, teams, and Clients;
  • Teamwork skills, but also a sense of autonomy;
  • Motivation for international projects and ok if travel is included;
  • Willingness to collaborate with other players;
  • Strong communication skills.

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!

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* Salary range is an estimate based on our AI, ML, Data Science Salary Index 💰

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Category: Analyst Jobs

Tags: Agile Angular Ansible Architecture Blockchain CI/CD Computer Science Engineering Java Kubernetes PHP Pipelines Python Scrum Security Testing

Region: Europe
Country: Portugal

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