Senior Security Engineer

🕒 October 5

🇲🇽 Mexico – Remote

⏰ Full Time

🟠 Senior

👮‍♂️ Cybersecurity / Security Engineer

👻 Ghost score 20%

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Littelfuse

WebsiteLinkedInAll Job Openings

10,000+ employees

Founded 1927

🚘 Automotive

🍽️ Food & Beverage

🏭 Manufacturing

Automotive • Food & Beverage • Manufacturing

Littelfuse is a diversified industrial technology manufacturing company that focuses on empowering a sustainable, connected, and safer world. It offers innovative products to enhance the safety and efficiency of rechargeable lithium batteries in various applications, including smartphones, power tools, electric vehicles, and renewable energy systems such as wind and solar farms. Littelfuse provides advanced solutions for electrification and battery operation of off-highway vehicles and specializes in battery temperature monitoring devices for EVs. Recognized for its positive impact on environmental, social, and ethical standards, Littelfuse is also a leader in arc-flash protection and offers products like metal oxide varistors, silicon carbide MOSFETs, and battery fuses, serving markets such as automotive, industrial, and alternative energy systems.

📋 Description

• Design, implement, configure, test, optimize, and manage complex security technologies and controls across endpoint, identity, network, cloud, email, application, data, and manufacturing environments • Embed security by design into projects, architecture decisions, technology implementations, integrations, and significant changes • Perform security architecture reviews, technical risk assessments, vulnerability reviews, and third-party security assessments • Make risk-based recommendations, challenge proposed designs, and drive remediation to verified closure • Define and improve secure configuration baselines, technical standards, implementation guidance, operating procedures, and supporting evidence • Coordinate vulnerability and configuration-risk remediation and verify closure through evidence and testing • Serve as a senior subject-matter expert for assigned security domains and develop solutions for global manufacturing and OT/IT environments • Collaborate with Security Operations on detection engineering, incident investigations, logging improvements, containment enhancements, and lessons learned • Translate policy, regulatory, customer, and audit requirements into scalable technical controls • Define technical health indicators and use telemetry, metrics, dashboards, automation, testing, and trend analysis to improve security effectiveness • Represent Security Engineering in major projects, customer security assessments, M&A technology integrations, and other advanced initiatives • Apply generative and agentic AI to security analysis, control validation, documentation, detection content, vulnerability triage, and engineering workflows • Design reusable security automation and integrations using APIs, scripting, orchestration, and workflow platforms • Assess AI-enabled solutions for prompt injection, data leakage, excessive access, model misuse, insecure integrations, supply-chain risk, privacy, and auditability • Define guardrails for AI-enabled security workflows, including access controls, logging, human review, data classification, testing, rollback, and output validation • Validate AI-generated outputs and document assumptions, limitations, and verification steps • Own complex engineering outcomes, mentor less-experienced colleagues, and collaborate across IT, Security, Compliance, Engineering, vendors, and business teams

🎯 Requirements

• Bachelor's degree in Information Security, Cybersecurity, Computer Science, Information Technology, Engineering, or a related field, or equivalent practical experience • 5-7+ years of progressively responsible experience in cybersecurity engineering, infrastructure security, cloud security, systems engineering, or a related technical role • Experience resolving complex technical problems across multiple systems or security domains • Advanced working knowledge of security architecture and controls across identity and access, endpoints, networks, cloud platforms, operating systems, applications, data protection, and manufacturing or OT environments • Experience conducting complex security architecture reviews, technical risk assessments, vulnerability analysis, hardening, control implementation, and remediation workstreams • Ability to translate ambiguous business, risk, and compliance requirements into scalable technical controls and documentation • Hands-on experience with EDR, PAM, and SIEM technologies • Experience using security telemetry, detection logic, dashboards, control-health metrics, and evidence-based testing • Practical understanding of generative AI, agentic AI, secure AI usage, output validation, prompt injection, data leakage, excessive access, model misuse, and AI-enabled system risks • Strong analytical and creative problem-solving skills, sound technical judgment, high attention to detail, and ability to work independently with limited guidance • Experience in a global manufacturing or industrial environment, including OT/IT segmentation and operational reliability requirements • Hands-on exposure to Microsoft security technologies such as Entra ID, Defender, Intune, Purview, or comparable platforms • Familiarity with cloud security, zero trust, secure configuration frameworks, vulnerability management, third-party risk, and secure software or product development practices • Proficiency in scripting and automation using PowerShell, Python, REST APIs, orchestration, or workflow automation • Ability to develop reusable automation solutions and integrations

🏖️ Benefits

• Competitive compensation • Performance-based incentives • Flexible work arrangements • Development opportunities • Employee growth and development support • Inclusive workplace and equal opportunity employment