About Us

At ExxonMobil, our vision is to lead in energy innovations that advance modern living while reducing emissions. As one of the world’s largest publicly traded energy and chemical companies, we are powered by a unique and diverse workforce fueled by the pride in what we do and what we stand for. The success of our Upstream, Product Solutions and Low Carbon Solutions businesses is the result of the talent, curiosity and drive of our people. They bring solutions every day to optimize our strategy in energy, chemicals, lubricants and lower-emissions technologies. We invite you to bring your ideas to ExxonMobil to help create sustainable solutions that improve quality of life and meet society’s evolving needs. Learn more about our What and our Why and how we can work together. Our Global Business Center (GBC) in Buenos Aires was established in 2004 and our diverse and multinational workforce of more than 2800 colleagues have been powering ExxonMobil’s global businesses ever since. We are proud to be part of an inclusive, safe, and vibrant work environment. The IT department is seeking new candidates to its dynamic team. The department provides support worldwide to the Organizations all along the value chain from exploration through site development to production.

What Role You Will Play In Our Team

The Messaging Engineer is responsible for designing, building, and operating enterprise messaging platforms across hybrid and cloud environments. This role focuses on delivering secure, scalable, and highly available messaging infrastructure, including Microsoft Exchange (on-premises and Exchange Online), email security platforms, and cloud-based integrations. You will contribute to the modernization of messaging services, improve system reliability, and enhance security controls across the organization. You will work closely with cross-functional teams including infrastructure, cybersecurity, and application teams,



supporting both operational excellence and strategic transformation initiatives. While this description covers a broad range of technologies, we are hiring for multiple initiatives. We value strong experience in some of these areas and a willingness to learn others; you are not expected to meet every requirement to apply.

What You Will Do

- Design, build, and support messaging infrastructure across on-premises and cloud environments (Exchange and Exchange Online)
- Manage and improve email flow, policies, and messaging reliability across global environments
- Support messaging security platforms, ensuring protection against spam, phishing, and other threats
- Contribute to the design and implementation of secure and highly available messaging architectures
- Participate in migration and hybrid coexistence scenarios between on-prem and cloud environments
- Collaborate with cybersecurity and infrastructure teams to strengthen messaging security and compliance
- Support automation initiatives and improve operational efficiency
- Participate in troubleshooting, incident resolution, and root cause analysis
- Contribute to integration efforts with other enterprise systems and services

About You

Required Qualifications

- Bachelor’s degree in Engineering, Computer Science, or a related field, or equivalent experience
- 3+ years of experience in Messaging, Infrastructure, or related roles
- Experience working with Microsoft Exchange (on-premises and/or Exchange Online)
- Understanding of hybrid messaging environments and migration scenarios
- Familiarity with email flow concepts (SMTP, DNS, routing)



and messaging architectures
- Experience with scripting or automation (PowerShell or similar)
- Strong troubleshooting and problem-solving skills
- Knowledge of IT infrastructure fundamentals (networking, identity, authentication, certificates)
- Experience working in collaborative or Agile environments
- Good English communication skills (written and spoken)

Nice to have

- Experience with Microsoft 365 security & compliance tools (Defender, eDiscovery, retention)
- Exposure to email security platforms (Proofpoint or similar)
- Knowledge of email authentication standards (SPF, DKIM, DMARC)
- Experience with cloud platforms (Azure and/or AWS)
- Familiarity with Infrastructure as Code (Terraform or similar)
- Experience with API integrations or automation workflows
- Knowledge of identity platforms (Entra ID / Active Directory integration)
- Experience supporting enterprise-scale messaging environments

Your Benefits

An ExxonMobil career is one designed to last. Our commitment to you runs deep: our employees grow personally and professionally, with benefits built on our core categories of health, security, finance, and life.

- Competitive health coverage
- Versátil working hours
- 3-week vacation up to 5 years of service plus 1 personal day
- Online training tools
- Gym discounts and activities for sport and general well-being
- A solid ergonomic program
- Free vaccination campaigns
- Medical assistance available in the offices
- Equipped maternity rooms
- Among others

Please note benefits may be changed from time to time without notice, subject to applicable law.

Equal Opportunity Employer

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, age, sexual orientation, gender identity, national origin, citizenship status, protected veteran status, genetic information, or physical or mental disability.

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📌 Messaging Engineer - Advanced (Buenos Aires)
🏢 ExxonMobil
📍 Buenos Aires