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American Express Senior Infrastructure Engineer I in East Sussex, United Kingdom


You’ll do more than the expected. You’ll do the unexpected.

The Digital Workplace Technologies team has a global responsibility providing 24x7 service and support for messaging technologies used by over 85,000 users.

The Messaging Office 365 Engineer reports to the Director of Enterprise Messaging and will lead and deliver global enterprise messaging solutions.

  • Assists as technical SME for Exchange and assist with supporting Email Gateway, Office 365, and Email Archive solutions

  • Experience in the testing, implementation, and enablement of Office 365 services (Office, Teams, MyAnalytics, eDiscovery)

  • Experience in the creation of O365 standards and best practices

  • Provides technical expertise to maintain environments and troubleshoot issues

  • Will act as a liaison with product teams to ensure that quality standards are adhered to during development and implementation, product deployments are carefully planned and have the necessary support procedures and documentation in place. Will work to identify and prevent potential issues before they occur.

  • Ability to clearly communicate software delivery strategy and progress to key stakeholders

  • Engineers technology solutions to assure compliance and security standards are being adhered to and technical objectives are being met

  • Promotes and works to define process improvement initiatives to be implemented by Digital Workplace Computing teams

  • Will have a forward looking mindset with a focus on emerging customer service industry trends and capabilities

  • Candidate will have excellent written and verbal communication skills, and the ability to interact with colleagues and leaders across the organization.

  • Experience with PowerShell and automation.

Offer of employment with American Express is conditioned upon the successful completion of a background verification check, subject to applicable laws and regulations.


  • Direct experience and in-depth understanding of Office 365 fundamentals and structure

  • Significant years of Experience with Exchange Online architecting, engineering, and implementing end user computing infrastructure

  • Significant years of Experience with rollout, troubleshooting, and support of an enterprise messaging environment

  • Proof of Concept experience with in-depth testing, analysis, and proposal

  • Experience in implementing monitoring solutions

  • Experience in prevailing industry architecture and engineering methodologies - ITIL preferred

  • Experience with network and server fundamentals

  • Ability to think outside the box to solve complex problems and provide insight to emerging technologies

  • Able to challenge the status quo and drive creative ideas and solutions; influencing others without direct authority

  • Handles problems and acts on own initiative without being prompted, while knowing when to escalate decisions vs making on-the-spot decisions

  • Possess ability to translate technical issues into understandable business language for end users

  • Preferred experience working with vendor teams to provide support and systems integration

  • Adapts to change quickly and easily and thrive in an Agile environment

  • Demonstrated analytical thinking, problem solving and adaptive communication

  • Recognizes the importance of team work to achieve objectives

  • University degree in Engineering, Computer Science, Information Systems or other related field or has equivalent work experience

Why American Express?

There’s a difference between having a job and making a difference.

Amex have been making a difference in people’s lives for over 160 years, backing them in moments big and small, granting access, tools, and resources to take on their biggest challenges and reap the greatest rewards.

We’ve also made a difference in the lives of our people, providing a culture of learning and collaboration, and helping them with what they need to succeed and thrive. We have their backs as they grow their skills, conquer new challenges, or even take time to spend with their family or community. And when they’re ready to take on a new career path, we’re right there with them, giving them the guidance and momentum into the best future they envision.

Because we believe that the best way to back our customers is to back our people.

The powerful backing of American Express.

Don’t make a difference without it.

Don’t live life without it.

To complete your application please click on the links below. However, if you require any assistance with the completion of this process – or need any reasonable adjustments to be made – then please contact the Recruitment Team on .

Job: Technology

Primary Location: United Kingdom-East Sussex-Brighton

Schedule Full-time

Req ID: 21008995