Job Description

ID: Amex ID: 24015268


Hybrid requirements: This role has flexible working patterns.
We are seeking a versatile and highly skilled Full Stack Infrastructure Engineer with expertise in Compute, Storage, Network, and Cloud technologies. The ideal candidate will design, implement, and manage robust infrastructure solutions, ensuring reliability, scalability, and performance.

Key Responsibilities

Ensure the reliability, availability, and performance of the entire infrastructure stack including compute, storage, network, and cloud components.
Lead incident response efforts across the infrastructure stack, coordinating with Application Support, SRE, and Engineering teams to minimize MTTD and MTTR.
Perform root cause analysis for infrastructure-related incidents and implement corrective actions.
Develop and maintain automation tools for managing infrastructure resources.
Collaborate with Engineering teams to plan and execute system upgrades and maintenance.
Conduct capacity planning and resource management for all infrastructure components.
Participate in on-call rotations to provide 24x7 support for all critical infrastructure issues.
Design and implement disaster recovery plans and business continuity strategies.
Implement best practices for monitoring, logging, and alerting across the infrastructure.
Foster a culture of continuous improvement and operational excellence.
Analyze complex infrastructure problems, design scalable and resilient solutions, and lead the implementation of these solutions.
Collaborate with architects and other engineers to design and enhance the architecture of infrastructure systems, ensuring alignment with business needs and technology standards.

Required Skills and Experience

Proven experience managing and optimizing a diverse infrastructure stack.
Extensive knowledge of cloud platforms (AWS, Azure, GCP) and infrastructure as code (Terraform, CloudFormation).
Familiarity with service mesh technologies (Istio, Linkerd).
Solid understanding of virtualization (VMware, Hyper-V) and containerization (Docker, Kubernetes) and orchestration.
Understanding of storage solutions (SAN, NAS, cloud storage) and backup systems.
Strong understanding of network protocols, routing, switching, and firewalls.
Experience with load balancers (F5, HAProxy, Nginx) and network monitoring tools.
Experience in DNS management and troubleshooting.
Experience in network security best practices.
Proficiency in monitoring and observability tools (Prometheus, Grafana, Splunk).
Proficiency in at least one scripting language (Python, Bash) for automation.
Experience with CI/CD pipeline management and DevOps practices.
Strong understanding of disaster recovery and business continuity planning.
Experience with performance tuning and capacity planning.
Understanding of chaos engineering principles and practices.
Skills in cost optimization for cloud infrastructure.

Specific Tools and Techniques

Experience in using cloud-native monitoring tools like AWS CloudWatch, Azure Monitor, and Google Cloud Operations Suite.
Experience with packet capture tools like Wireshark for troubleshooting network issues.
Experience in using traceroute utilities and performance analysis tools like perf for identifying and resolving bottlenecks.
Familiarity with tools such as ipconfig/ifconfig for viewing network configurations, flushing DNS, and diagnosing network issues.
Experience with SNMP-based tools for network device monitoring and performance management.
Experience in using NetFlow for network traffic analysis.
Experience with tools like iostat, vmstat, and dstat for monitoring storage and system performance.
Experience in tools like df, du, lsblk, and fdisk for managing and troubleshooting file systems and disk partitions.
Familiarity with tools like Prometheus and Grafana for monitoring and observability.
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Role tech stack
Python


Bash


Life at
American Express
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Culture overview
Our culture is built on a 175-year history of
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unwavering commitment to back our customers,
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and leadership behaviors, we've continued to set
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experience every day with premium products and
services that help our customers achieve their
aspirations. As part of Team Amex, you'll build
strong relationships and collaborate
with colleagues around the world in an
environment where everyone is respected and
valued, and where you can reach your potential.
Here, your voice and ideas matter, your work
makes an impact, and together, you will help us
define the future of American Express.
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Employee benefits
Bonus Scheme
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Flexible Hours
Flexible Working
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Pension
Private Healthcare
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Tech at
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Leadership
Ravi Radhakrishnan
Chief Information Officer
Tech overview
Joining Amex Tech means discovering and shaping your contribution to something big. Here, you can work alongside talented tech teams and build a unique career with the Powerful Backing of American Express. With a range of opportunities to work with the latest technologies, and a commitment to back the broader engineering community through open source, our mission is to power your success. Because Amex Tech is powered by our technology, our culture, and our colleagues.

Make an Impact
Our tech teams power large scale platforms and products, enabling over 100 million global consumers and businesses.
Grow Your Career
Progress as either a people leader or technical expert, while increasing your domain expertise within a high-performing team.
Expand Your Skills
Use the latest languages, technologies, and delivery practices, and demonstrate your skills at internal hackathons, open-source days, and developer events.
Global Tech Career Pathways
Explore roles across 5x career pathways: Engineering & Architecture; Digital Product & Design; Service Delivery; Information Security; Product Delivery & Integration.
Find your place in Tech on #TeamAmex.

Meet our Tech Colleagues, leading through innovation.
Laurence - "What provides unparallel satisfaction in my role is having a meaningful contribution to combating cybercrime."
Will - "Being able to move into different jobs around the company keeps things varied and exciting."
Dev - "As a new colleague, I was astonished at how quickly I was able to acclimate... I've achieved a lot in my first year."
Eve - "I thrive on building products and architecture-as-code that cement the data culture we have here."
Meghan - "I've built well-rounded skills and have been able to identify the type of engineering that suits me most.."
Mohan - "Amex has a stellar technology organization; I get opportunities to gain exposure across various stacks."
Learn more about Tech careers on #TeamAmex.
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Engineering principles
AGILE PROCESS
CHANGE MANAGEMENT
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COMMUNICATION AND COLLABORATION
CONTINUOUS DELIVERY
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Company tech stack
JavaScript


Python


Hadoop


Android


Salesforce


Golang


Kotlin


Kubernetes


Kafka Streams


React


RESTful


GraphQL


gRPC


PostgreSQL


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