Sr Infrastructure Engineer I

Posted 6 Days Ago
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Phoenix, AZ, USA
Hybrid
Senior level
Fintech • Financial Services
The Role
Design, implement, and manage compute, storage, network and cloud infrastructure. Lead incident response and root-cause analysis, automate infrastructure, perform capacity planning, support on-call rotations, implement DR/business continuity, and improve monitoring, observability, and resilience.
Summary Generated by Built In

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.

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.
Qualifications

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. 

About Us

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.

About the Team

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.

American Express is an equal opportunity employer and makes employment decisions without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran status, disability status, age, or any other status protected by law. American Express will consider for employment all qualified applicants, including those with arrest or conviction records, in accordance with the requirements of applicable state and local laws, including the California Fair Chance Act, the Los Angeles County Fair Chance Ordinance for Employers, and the City of Los Angeles’ Fair Chance Initiative for Hiring Ordinance. For positions covered by federal and/or state banking regulations, American Express will comply with such regulations as it relates to the consideration of applicants with criminal convictions.

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.

US Job Seekers - Click to view the “Know Your Rights” poster. If the link does not work, you may access the poster by copying and pasting the following URL in a new browser window: https://www.eeoc.gov/poster.


The below represents the expected salary range for this job requisition. Ultimately, in determining your pay, we’ll consider your location, experience, and other job-related factors.​

Skills Required

  • Bachelor's degree in Computer Science, IT, Engineering or comparable experience
  • Proven experience managing and optimizing diverse infrastructure stacks
  • Extensive knowledge of cloud platforms (AWS, Azure, GCP)
  • Infrastructure as Code experience (Terraform, CloudFormation)
  • Familiarity with service mesh technologies (Istio, Linkerd)
  • Virtualization experience (VMware, Hyper-V)
  • Containerization and orchestration (Docker, Kubernetes)
  • 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)
  • DNS management and troubleshooting experience
  • Network security best practices experience
  • Proficiency with monitoring and observability tools (Prometheus, Grafana, Splunk)
  • Proficiency in at least one scripting language for automation (Python, Bash)
  • Experience with CI/CD pipeline management and DevOps practices
  • Disaster recovery and business continuity planning experience
  • Performance tuning and capacity planning experience
  • Familiarity with chaos engineering principles and practices
  • Cloud cost optimization skills
  • Experience with cloud-native monitoring tools (AWS CloudWatch, Azure Monitor, Google Cloud Operations Suite)
  • Experience with packet capture and network troubleshooting tools (Wireshark, traceroute, perf, ipconfig/ifconfig)
  • Experience with SNMP, NetFlow and network device monitoring
  • Experience with system/storage performance tools (iostat, vmstat, dstat)
  • Familiarity with filesystem and disk tools (df, du, lsblk, fdisk)
  • Incident response, root cause analysis, and on-call rotation experience
  • Advanced degree

American Express Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about American Express and has not been reviewed or approved by American Express.

  • Healthcare Strength Pay is often viewed as attractive when combined with comprehensive health, dental, and vision coverage that supports day-to-day needs. The benefits package is also framed as especially helpful for those supporting dependents.
  • Retirement Support Retirement benefits are positioned as a meaningful part of total rewards through a 401(k) plan with company matching. Financial wellness services and coaching are also highlighted as strengthening longer-term financial security.
  • Leave & Time Off Breadth Paid time off is repeatedly characterized as generous and a valued component of the overall package. Time off and flexibility are presented as helping the total rewards feel more complete beyond base salary.

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The Company
HQ: New York, NY
100,703 Employees
Year Founded: 1850

What We Do

At American Express, we know that with the right backing, people and businesses have the power to progress in incredible ways. Whether we’re supporting our customers’ financial confidence to move ahead, taking commerce to new heights, or encouraging people to explore the world, our colleagues are constantly striving to uphold our powerful backing promise to our customers and each other every day. These beliefs have been our North Star for 170 years as our business transformed – from helping evacuate travelers during World Wars, to ensuring the safety of our customers’ funds during the Great Depression in the U.S., to creating the Shop Small® movement to help small businesses recover from the Financial Crisis, to providing aid to communities impacted by many natural disasters and so much more. For generations, the key to our success has been the determination and resilience of our American Express colleagues. Now, as a globally integrated payments company, we work together to provide customers with access to products, insights and world-class experiences that enrich lives and build business success. Join us and let’s lead the way together.

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