Senior Security Engineer — Cloud, OT/IT & AI Security

Littelfuse Mexico Services S de RL de CV; Piedras Negras; On-site; MXN 700,000 - 1,000,000; Full time

Job summary

Littelfuse is seeking a Senior Security Engineer to independently design, implement, and govern complex security controls protecting enterprise systems, networks, cloud services, data, and manufacturing operations. You will partner with IT, Compliance, and engineering teams to embed security by design across solutions and to assess risk for global manufacturing environments.

The role emphasizes hands-on security architecture reviews, vulnerability management, and continuous improvement of secure

Qualifications

• Bachelor's degree or equivalent practical experience in information security, cybersecurity, or related field.
• 5–7+ years of progressively responsible cybersecurity engineering experience.
• Advanced knowledge of security architecture across identity, endpoints, networks, cloud, applications, data, and OT/IT environments.
• Experience conducting security architecture reviews, risk assessments, vulnerability analyses, hardening, and remediation workstreams.

Responsibilities

• Design, implement, and manage security controls across endpoint, identity, network, cloud, email, data, and manufacturing environments.
• Embed security by design in complex projects and architecture decisions.
• Conduct risk assessments, vulnerability reviews, and third‑party assessments; drive remediation to closure.
• Define secure configuration baselines, standards, and procedures; monitor control health and coverage.
• Collaborate with IT, Security Operations, Compliance, and Engineering to improve security effectiveness.

Skills

Security architecture

Risk assessment

Analytical thinking

Problem solving

Education

Bachelor's degree in Information Security, Cybersecurity, Computer Science, IT, Engineering, or related field

Tools

EDR

PAM

SIEM

Job description

Littelfuse is seeking a Senior Security Engineer to independently design, implement, and govern complex security controls protecting enterprise systems, networks, cloud services, data, and manufacturing operations. You will partner with IT, Compliance, and engineering teams to embed security by design across solutions and to assess risk for global manufacturing environments.

The role emphasizes hands-on security architecture reviews, vulnerability management, and continuous improvement of secure