Location: Mexico City - Hybrid

What you will do

You will shape how our enterprise network and network-security platforms are designed and secured by creating security standards and hardening guides, producing high-level security designs, and reviewing designs and changes to ensure alignment with approved architecture and security requirements.

Key responsibilities

- Create, maintain, and govern network security standards, baselines, and hardening guides.
- Develop high-level security designs and reference architectures across core network and network-security domains.
- Perform design/architecture reviews and provide actionable guidance to engineering teams.
- Partner with network engineering, automation, and operations teams to drive consistent, secure implementations.
- Help improve security posture across switching/routing, wireless, firewalls, DDoS protections, network visibility, data center connectivity, cloud connectivity, and branch networking.

What you bring
- Experience in network security engineering and/or security architecture in an enterprise environment.
- Strong networking fundamentals (routing, switching, TCP/IP) and practical application of security controls at scale.
- Demonstrated ability to write clear, usable technical documentation (standards, hardening, design guidance).
- Strong collaboration skills across global teams; ability to influence outcomes as an individual contributor.





Marsh (NYSE: MRSH) is a global leader in risk, reinsurance and capital, people and investments, and management consulting, advising clients in 130 countries. With annual revenue of over $27 billion and more than 95,000 colleagues, Marsh helps build the confidence to thrive through the power of perspective. For more information, visit marsh.com, or follow us on LinkedIn and X. Marsh is committed to creating a diverse, inclusive and adaptable work environment. We aim to attract and retain the best people and embrace diversity of age, background, disability, ethnic origin, family duties, gender orientation or expression, marital status, nationality, parental status, personal or social status, political affiliation, race, religion and beliefs, sex/gender, sexual orientation or expression, skin color, or any other characteristic protected by applicable law.

Marsh is committed to hybrid work, which includes the flexibility of working remotely and the collaboration, connections and professional development benefits of working together in the office. All Marsh colleagues are expected to be in their local office or working onsite with clients at least three days per week. Office-based teams will identify at least one “anchor day” per week on which their full team will be together in person.

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📌 Senior Specialist - IT Security (Miguel Hidalgo)
🏢 Marsh
📍 Miguel Hidalgo