Senior Analyst Operational Technology Cyber Security

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Job Function
Technology Enterprise Strategy & Security

Job Sub Function
Security & Controls

Job Category
Scientific/Technology

All Job Posting Locations:
São José dos Campos, São Paulo, Brazil

Job Description
Johnson & Johnson is currently recruiting for a Senior Analyst Operational Technology Cyber Security within the Information Security and Risk Management (ISRM) organization.

This position is based out
Warsaw, Poland
or
São José dos Campos, Brazil
.

As a member of the Operational Technology Cybersecurity Engineering team, you will focus on developing and maintaining automation solutions that enhance the functionality and efficiency of Tanium OT services. You will contribute to custom script development, platform optimization, and integration efforts to support cybersecurity operations across IT and OT environments. This role offers opportunities to lead technical initiatives and collaborate with cross-functional teams to improve visibility, compliance, and platform performance.

This position will also partner with internal ISRM teams such as the Supply Chain security, Cyber Security Operations Center (CSOC), and other groups under the J&J Technology umbrella, including but not limited to End User, Server, and Network support.

Key Responsibilities

• Build and deploy custom scripts aligned with security stakeholder requests and Tanium Platform standards.
• Maintain a repository of reusable code for remediation and data retrieval across IT & OT environments.
• Refactor and validate existing code for performance, security, and maintainability.
• Conduct structured testing of code samples during upgrade cycles and recommend improvements.
• Define and implement strategies for platform performance, security hardening, and automation.
• Validate data flows and integration points to maintain accuracy and compliance.
• Collaborate with security and infrastructure teams to ensure platform reliability and adherence to operational standards.
• Develop Tanium sensors and packages to enhance endpoint data visibility and monitor workflows.
• Support Cybersecurity workflows, to assess risk, increase visibility and reduce impact of vulnerabilities across IT & OT environments.
• Test and validate security controls throughout the different phases of the Cyber Kill Chain, and the MITRE ATT&CK framework to prevent, detect, and respond.
• Generate threat behavior analytics for discovering historical and emerging threats to networks and systems.
• Implement detection strategies based on internal and external intelligence reporting and vulnerability research.
• Perform administrative tasks associated with tuning, alerts, correlation rules, signatures, device configurations, patching, and upgrades.
• Establish and maintain relationships with the suppliers, vendors, and partners.
• Assists with security events/incidents, coordinating activities with the CSOC and others – as needed.

Qualifications
Education:

• A bachelor's degree or equivalent experience in the information security or information technology sector

Required
Experience and Skills

• Strong programming skills in scripting languages (e.g., Python, PowerShell, Bash) for automation and integration.
• Strong foundation in information security principles, with proven ability in debugging and root cause analysis in IT & OT environments.
• Experience in engineering, installing, configuring, and operating security solutions and appliances across large-scale, hybrid environments (AWS, Azure, GCP, on-prem).
• Ability to engineer, customize, and extend endpoint management and visibility platforms, including developing integrations, automation, and product-level enhancements.
• Familiarity with agile frameworks and DevSecOps practices, with the ability to deliver iteratively while maintaining reliability in high-risk environments.
• Proven track record leading complex implementations, demonstrating risk-aware problem solving and balancing security with operational continuity.
• Strong communication skills (written and verbal), able to translate technical details into clear guidance for both technical and non-technical stakeholders.
• Knowledge of security frameworks and standards (NIST CSF, CIS Controls, OWASP, SANS) and ability to apply them pragmatically in OT contexts.
• Working knowledge of the MITRE ATT&CK framework, including OT-specific TTPs, and ability to map telemetry to adversary behaviors.
• Experience collaborating with distributed, global teams, working effectively across diverse cultural and technical backgrounds.

Please note that this role is available across multiple countries and may be posted under different requisition numbers to comply with local requirements. While you are welcome to apply to any or all of the postings, we recommend focusing on the specific country(s) that align with your preferred location(s):

Brazil (Sao Jose dos Campos) - Requisition Number:
R-045644
Poland (Warsaw) - Requisition Number:
R-046653
Required Skills
Operational Technology (OT) Security

Preferred Skills
Communication, Corrective and Preventive Action (CAPA), Critical Thinking, Information Security Auditing, Information Security Management System (ISMS), Information Technology (IT) Security Assessments, Information Technology Strategies, Mentorship, Network Optimization, Presentation Design, Process Optimization, Report Writing, Security Policies, Technical Credibility, Technologically Savvy, Training People, Vulnerability Assessments