Senior AWS Cloud 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 2026 we were once again distinguished as one of the top Best Workplaces in the country (category 201500 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 peoples lives.

Senior AWS Cloud Network Engineer

At AMGEN Technology isnt just a support functionits 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 experiencedSenior AWS Cloud 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:

• Cloud Network Architecture & Engineering

• Design implement and support AWS network architectures usingAmazon VPC shared VPC architectures Transit Gateway subnetting route tables VPC peering PrivateLink VPC endpoints AWS Route53 and related AWS networking services.
• Implement secure and scalable multi-account and multi-region 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 AWS and enterprise/on-premises environments.
• Work withAWS Direct Connect Site-to-Site VPN BGP route propagation routing domains and hybrid connectivity patterns.
• Troubleshoot complex traffic paths across AWS Direct Connect 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 supportAmazon Route 53 Route 53 Resolver private hosted zones inbound/outbound DNS resolution and hybrid DNS architectures.
• Troubleshoot DNS resolution issues across AWS and enterprise environments.
• Support cloud network services such as VPC endpoints PrivateLink 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 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 problem management and preventive engineering.
• Analyze routing DNS firewall security group endpoint TCP/IP and connectivity behavior to isolate network versus application/service issues.
• Support operational readiness change management documentation and network lifecycle activities.

• Resilience Capacity & Continuous Improvement

• Identify single points of failure and improve network resiliency and operational continuity.
• Contribute to capacity planning growth forecasting lifecycle management and disaster-recovery/network recovery strategies.
• Help reduce key-person dependency through documentation knowledge sharing standardization and team development.
• Continuously improve network reliability observability operational processes and engineering practices.

WIN

WHAT WE EXPECT OF YOU

Basic Qualifications and Experience:

• Bachelors degree in computer science Information Technology Engineering or a related technical disciplineand 5 years of relevant experience or equivalent combination of education and experience.

Must-Have Skills:

• Strong hands-on experience designing and operatingAWS networking infrastructure in enterprise environments.
• Significant experience with:
  • AWS VPC
  • Transit Gateway
  • Route tables and routing
  • Direct Connect and/or Site-to-Site VPN
  • Route 53 and DNS
  • VPC endpoints / PrivateLink
  • Security Groups and Network ACLs
• Strong understanding ofIPv4 TCP/IP subnetting CIDR routing DNS and network troubleshooting.
• Experience with infrastructure automation usingCloudFormation Terraform Python Bash or AWS CLI.
• Practical experience with enterprise routing technologies such asBGP and/or OSPF.
• Demonstrated experience troubleshooting complex hybrid-cloud connectivity issues.
• Experience working in environments with multiple teams accounts platforms and organizational dependencies.
• Ability to participate in production support and critical incident response when required.

Good-to-Have Skills:

• AWS networking certification such asAWS Certified Advanced Networking Specialty.
• Experience with AWS Organizations and large-scale multi-account environments.
• Experience with multi-region AWS networking.
• Experience integrating AWS networking with enterprise firewalls such asFortinet Palo Alto or equivalent.
• Experience with cloud security architecture and network segmentation.
• Experience with centralized DNS and hybrid DNS architectures.
• Experience with infrastructure automation usingCloudFormation Terraform Python Bash or AWS CLI.
• Experience with observability and network diagnostics includingVPC Flow Logs CloudWatch packet captures and network telemetry.
• Experience supporting regulated or highly controlled enterprise environments.
• Strong written and verbal communication skills with the ability to explain complex technical issues to both engineers and leadership.

Soft Skills:

• Strong ownership and accountability.
• Able to work independently on technically complex problems.
• Calm and analytical during production incidents.
• Strong collaboration across Cloud Network Security Infrastructure and Application teams.
• Willingness to document and transfer knowledge rather than becoming a single point of dependency.
• Strong engineering judgment and risk awareness.
• Ability to balance operational support with long-term architectural improvement.

THRIVE

WHAT YOU CAN EXPECT OF US

• Vast opportunities to learn develop and move up and across our global organization.
• Diverse and inclusive community of belonging where colleagues are empowered to bring ideas to the table take risks and act.
• Generous Amgen Total Rewards Plan comprising healthcare finance wealth and career benefits.
• Flexible work arrangements.

Objects in your future are closer than they us.

EQUAL OPPORTUNITY STATEMENT

Amgen is an Equal Opportunity employer and will consider you without regard to your race color religion sex sexual orientation gender identity national origin protected veteran status or disability status.

We will ensure that individuals with disabilities are provided a reasonable accommodation to participate in the job application or interview process to perform crucial job functions and to receive other benefits and privileges of employment. Please contact us to request an accommodation.

Salary Range