Sr Infrastructure Engineer I

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.

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.

Education Qualifications:

Bachelor’s degree in Computer Science, Information Technology, Engineering, and/or comparable experience; advanced degree preferred

Work 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 of 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.

Employment eligibility to work with American Express in the United States is required as the company will not pursue visa sponsorship for these positions.

At American Express, our culture is built on a 175-year history of innovation, shared values and Leadership Behaviors, and an unwavering commitment to back our customers, communities, and colleagues. From delivering differentiated products to providing world-class customer service, we operate with a strong risk mindset, ensuring we continue to uphold our brand promise of trust, security, and service.

As part of Team Amex, you’ll experience our powerful backing with comprehensive support for your holistic well-being and many opportunities to learn new skills, develop as a leader, and grow your career. Here, your voice and ideas matter, your work makes an impact, and together, you will help us define the future of American Express.

We back you with benefits that support your holistic well-being so you can be and deliver your best. This means caring for you and your loved ones' physical, financial, and mental health, as well as providing the flexibility you need to thrive personally and professionally:

Competitive base salaries

Bonus incentives

6% Company Match on retirement savings plan

Free financial coaching and financial well-being support

Comprehensive medical, dental, vision, life insurance, and disability benefits

Flexible working model with hybrid, onsite or virtual arrangements depending on role and business need

20+ weeks paid parental leave for all parents, regardless of gender, offered for pregnancy, adoption or surrogacy

Free access to global on-site wellness centers staffed with nurses and doctors (depending on location)

Free and confidential counseling support through our Healthy Minds program

Career development and training opportunities

For a full list of Team Amex benefits, visit our Colleague Benefits Site .

We back our colleagues with the support they need to thrive, professionally and personally. That's why we have Amex Flex, our enterprise working model that provides greater flexibility to colleagues while ensuring we preserve the important aspects of our unique in-person culture. Depending on role and business needs, colleagues will either work onsite, in a hybrid model (combination of in-office and virtual days) or fully virtually.