Network Architect

About Capgemini Engineering Capgemini Engineering, the world leader in engineering services, brings 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 experts think outside the box to provide unique R&D and engineering services across all industries. Your Role We are seeking a seasoned Telco IP Network Architect to lead the design and implementation of secure, scalable, and high‑performance IP network solutions tailored for telecommunications environments. This strategic role demands deep expertise in telco‑grade security architecture, hybrid cloud integration, and mobile core network design. You Will Play a Key Role In Architecture Development: Design modular and extensible IP network architectures using L3 DC fabric spine‑leaf topology and DCI gateway models to support telco‑specific workload domains (e.g., OSS/BSS, control/user planes). Extensive and detailed knowledge of Telco IP mobile core network and routing protocols. Defining future state architecture for mobile IP core network, creating High level design (HLD) and Detailed design documentation. Security Design & Risk Assessment: Conduct detailed security risk assessments for mobile core and data centre environments, addressing threats such as lateral movement, segmentation failure, and compliance gaps. Firewall & Access Control: Architect perimeter and internal firewall solutions using platforms like Fortinet, and implement micro‑segmentation strategies using VRFs, VLANs, and EVPN‑VXLAN overlays. Hybrid Cloud Integration: Design secure zoning and high‑availability integrations across hybrid cloud platforms, ensuring alignment with workload types and compliance standards. Documentation & Governance: Maintain comprehensive documentation for IP and firewall designs, including deviation handling procedures and approval workflows in line with Infosec policies. Bring best industry trends & knowledge and work with multiple OEMs to propose best practice solutions to clients. Technical leadership: Represent Capgemini to the client and provide technical leadership to Network Architecture team on the client engagement. Your Profile 15+ years of experience in Telco IP network architecture and security. Proven expertise in mobile core, transport architecture, and zero‑trust security models. Expertise in IP and routing & switching protocols. Hands‑on experience with Cisco ACI, Fortinet firewalls, and SIEM integration strategies. Strong understanding of hybrid cloud security, workload isolation, and segmentation techniques. Expertise in reviewing current network High level design documents and proposing future state architecture for IP core network. Experience in running proof of concept (POC) and design validations in network test labs. Technical and people leadership in delivering architecture projects against agreed timelines. Bachelor’s degree in Telecommunications, Computer Science, or related field. Certifications such as CCIE, CCNP Security, CISSP, or equivalent are highly desirable. What You’ll Love About Working Here Experience a Positive Work‑Life Balance: We prioritize your well‑being with hybrid and flexible working arrangements. Own your Growth: Dive into endless learning opportunities with courses from Capgemini University and external certifications. Thrive in an Inclusive Environment: We value authenticity, inclusion, and belonging, encouraging applications from all backgrounds. Work with Integrity: Recognized by Ethisphere as one of the World’s most Ethical companies. Collaborate with Industry Leaders: Gain exposure to top global companies, including 145 of the Fortune 500. Showcase Your Skills: Participate in internal annual global tech challenges and help address world issues. Additional Information Capgemini is a global business and technology transformation partner, helping organizations accelerate their dual transition to a digital and sustainable world while creating tangible impact for enterprises and society. With over 340,000 team members in more than 50 countries, Capgemini delivers end‑to‑end services and solutions spanning strategy, design, engineering, AI, generative AI, cloud, and data. Location: Padstow Heights, New South Wales, Australia #J-18808-Ljbffr