Network Engineer

Join our team at AMGEN Capability Center Portugal, consistently recognized among the top companies in the Best Workplaces™ ranking by Great Place to Work® in Portugal. In 2026, we were once again distinguished as one of the top Best Workplaces in the country (category 201–500 employees), reinforcing our commitment to an exceptional employee experience and workplace culture. We are a team of over 500 talented individuals, spanning more than 30 functions and areas of expertise, and representing over 40 nationalities. Together, we bring diverse perspectives and professional backgrounds to help shape the future of healthcare through innovation and technology. This is your opportunity to explore a world of possibilities across areas such as Data & Analytics, Digital, Technology & Innovation, Cybersecurity, R&D Operations, Global Distribution, Finance, Regulatory Affairs, General & Administrative, Human Resources, and many more. Located in the heart of Lisbon, our AMGEN office fosters a culture of innovation, excellence, and purpose. Come thrive with us at AMGEN, supporting our mission To Serve Patients. What we do at AMGEN matters in people's lives. Cloud Network Engineer At AMGEN, Technology isn’t just a support function—it’s a catalyst for discovery, transformation, and real-world impact. Here, your ideas fuel innovation that improves and saves lives of patients in dire need of our medicines. Are you ready to do meaningful work that matters? LIVE WHAT YOU WILL DO We are seeking a highly experiencedCloud Network Engineerto join the Cloud Networking team and help design, implement, operate, and continuously improve a large-scale enterprise AWS network environment. This role will be responsible for delivering secure, resilient, scalable, and highly available cloud‑networking capabilities across a multi-account, multi-region AWS environment. The engineer will work across AWS networking, enterprise network integration, cloud security, DNS, routing, connectivity, and application enablement. The successful candidate will bring strong hands‑on experience with AWS networking and a solid foundation in enterprise networking technologies. This person must be comfortable troubleshooting complex end‑to‑end connectivity issues involving AWS, on‑premises infrastructure, routing protocols, firewalls, DNS, and application dependencies. The position will work closely with Cloud Platform, Enterprise Network, Cybersecurity/Network Security, Infrastructure, application engineering, and other technology teams. Roles &

Responsibilities:
- Design, implement, and support cloud network architectures across AWS and/or other major cloud platforms, with AWS experience preferred.
- Work with AWS networking services such as Amazon VPC, Transit Gateway, subnetting, route tables, VPC peering, PrivateLink, VPC endpoints, and Route 53; equivalent Azure or GCP experience will also be considered.
- Implement secure and scalable multi‑account, multi‑region, and hybrid‑cloud networking patterns.
- Develop and maintain cloud network standards, reusable architectures, and engineering patterns.
- Support network segmentation and controlled traffic flows across application, platform, shared‑service, and security domains.
- Participate in architecture reviews and provide cloud‑networking guidance for new applications and platform migrations. Hybrid Connectivity
- Design, implement, and troubleshoot connectivity between cloud and enterprise/on‑premises environments.
- Work with private connectivity services, Site‑to‑Site VPN, BGP, route propagation, routing domains, and hybrid connectivity patterns. AWS Direct Connect experience is preferred.
- Troubleshoot complex traffic paths across cloud environments, enterprise routing, firewalls, and security controls.
- Partner with Enterprise Network teams on cloud/on‑premises routing boundaries and connectivity changes. DNS & Network Services
- Implement and support cloud DNS and network services, including Route 53/Route 53 Resolver or equivalent Azure/GCP services, private hosted zones, inbound/outbound DNS resolution, and hybrid DNS architectures.
- Troubleshoot DNS resolution issues across cloud and enterprise environments.
- Support cloud network services such as private endpoints, PrivateLink or equivalent services, load balancing, and private API connectivity. Security Integration
- Implement cloud‑networking solutions aligned with enterprise security requirements.
- Work with firewall and security teams to design and troubleshoot inspected traffic flows.
- Support network segmentation, security groups or equivalent cloud controls, NACLs, endpoint controls, and secure connectivity patterns.
- Ensure network designs follow enterprise security and least‑privilege principles. Operations & Incident Management
- Provide senior‑level troubleshooting for production incidents, service requests, and network onboarding activities.
- Participate in major incident response, root‑cause analysis, p