Network Core Solution Architect (Mission Critical Communications Hub)

At Capgemini Engineering, the world leader in engineering services, we bring together a global team of engineers, scientists, and architects to help the world's most innovative companies unleash their potential. From autonomous cars to life-saving robots, our digital and software technology experts think outside the box as they provide unique R&D and engineering services across all industries. Through our Mission Critical Communication hub, you will help shape the future of secure communications in Sweden. Working at the intersection of technology, resilience, and public safety, you will contribute to solutions that strengthen society's preparedness for the future. Join us for a career full of opportunities, where you can make a difference and where no two days are the same.

Your role
In this role you will design, integrate and evolve highly available 4G/5G Mobile Core and mission-critical network solutions, spanning EPC/5GC, IMS, subscriber management, roaming/signalling, service enablement and Telco Cloud infrastructure.
You will own and deliver end-to-end Mission Critical Network Core solutions, covering architecture, engineering, integration, automation and implementation across mobile core and cloud-native/telco-cloud environments.

• In this role you will play a key role in:
• Design and evolve resilient, highly available Mission Critical Network Core solutions, translating business and service requirements into scalable technical architectures.
• Architect and engineer 4G EPC and 5G Core (5GC) solutions covering key network functions such as MME, SGW/PGW, AMF, SMF, UPF, UDM, AUSF, PCF, NRF, NSSF and related Core NFs, including control-plane and user-plane architecture
• Design and integrate (based on alignment with customer) 3GPP interfaces and protocols, including N1/N2/N3/N4/N6/N9, SBI, NGAP, GTP-U, PFCP and Diameter, supporting registration, session management, mobility and user-plane connectivity. 5GC uses N2 between RAN and AMF, N3 between RAN and UPF, N4 between SMF and UPF, and N6 toward data networks.
• Engineer subscriber data, authentication, policy and service provisioning solutions across HSS/UDM, AUSF, PCF and associated platforms, ensuring end-to-end subscriber and service lifecycle integration
• Design and deploy Mobile Core workloads on Telco Cloud/NFVI and cloud-native infrastructure, covering VNF/CNF environments, containers/Kubernetes, virtualization, orchestration and infrastructure integration as applicable
• Own solutions for subscriber data management, provisioning and service enablement, including integration with relevant network and service platforms.
• Act as the Core domain SME, driving technical decisions, design reviews, troubleshooting, documentation, knowledge transfer and collaboration across architecture, engineering, integration, testing and operations teams.
• QoS, resiliency and disaster-recovery architecture for mission-critical Core services, with focus on service continuity and failure scenarios

Your profile

• 10-15 years of strong experience across 4G/LTE and 5G NR, packet core and end-to-end mobile-network design and integration.
• Very solid understanding of 3GPP specs
• Ability to bridge operational, architectural, and governance aspects of network optimization etc
• Excellent analytical, communication, and stakeholder management skills.

What we believe you will enjoy about working here

• Working alongside leading experts in Mission Critical Communications.
• Being part of a collaborative community supporting the organizations that society depends on most.
• Operating at the intersection of strategy, technology, and execution in complex mission-critical environments.
• An inclusive culture that encourages learning and knowledge sharing, with opportunities for certifications, mentoring and professional growth.

Application
This role requires Swedish citizenship or EU citizenship and is subject to security classification, meaning that a security screening will be carried out in accordance with Swedish legislation.
As part of our recruitment process, identity verification will be conducted through inspection of your ID card, and background checks may be carried out as required.

About Capgemini
Capgemini is an AI-powered global business and technology transformation partner, delivering tangible business value. We imagine the future of organizations and make it real with AI, technology, and people. With our strong heritage of nearly 60 years, we are a responsible and diverse group of over 420,000 team members in more than 50 countries. We deliver end-to-end services and solutions with our deep industry expertise and strong partner ecosystem, leveraging our capabilities across strategy, technology, design, engineering and business operations. The Group reported 2025 global revenues of €22.5 billion. Make it real | www.capgemini.com