Job Description

GBS Chevron Global Business Services (GBS), located in Buenos Aires (Puerto Madero), Argentina, is accepting applications for the position of Splunk Subject Matter Expert. Successful candidates will join the IT Organization, which is part of a multifunction service and technical center with a workforce of more than 1800 employees that deliver business services and solutions to the corporation across the globe.

We are seeking a Splunk Subject Matter Expert (SME) with strong experience in Operational Technology (OT) environments to join our team. This role is responsible for designing and implementing end‑to‑end Splunk solutions to support security monitoring, observability, and compliance across OT environments.

The ideal candidate will have deep technical expertise in Splunk architecture and integrations, combined with a solid understanding of OT systems and industrial environments. Knowledge of IAM, on‑premises infrastructure, and secure remote access is considered a strong plus.

Key Responsibilities

Splunk Architecture & Solution Design

• Act as the SME for Splunk within OT environments.

• Design scalable, resilient, and secure Splunk architectures (standalone, distributed, indexer clusters, heavy forwarders).

• Define data ingestion strategies aligned with OT constraints (segmentation, isolation, bandwidth limitations).

• Ensure alignment with enterprise logging, security, and compliance requirements.

Splunk Implementation & Operations

• Implement end‑ to‑ end Splunk solutions, from data onboarding to dashboards, alerts, and reports.

• Configure and manage:

• Indexers, heavy forwarders, and universal forwarders

• Data models, CIM alignment, and knowledge objects

• Optimize performance, availability, and license usage.

• Support upgrades, patching, and lifecycle management of Splunk components.

Integrations & App Development

• Design and develop custom Splunk apps and integrations for OT and security platforms (e.g., antivirus, asset inventory management solutions, industrial systems).

• Build and maintain:

• Custom inputs and modular inputs

• Field extractions, transforms, and parsers

• Dashboards, alerts, and correlation searches

OT Security & Monitoring Use Cases

• Enable security visibility for OT environments, including:

• Authentication and access events

• Privileged access and credential usage

• Asset and system activity monitoring

• Support incident detection, investigation, and audit requirements for OT.

• Collaborate with cybersecurity and OT teams to define logging and monitoring standards.

Collaboration & Advisory Role

• Act as a technical advisor to internal stakeholders on Splunk and OT logging strategy.

• Work closely with security, infrastructure, and platform teams.

• Contribute to standards, documentation, and best practices for Splunk in OT environments.

• Support knowledge sharing and technical guidance within the team.

Required Qualifications

• Strong hands‑on experience with Splunk in complex environments.

• Proven expertise in:

• Splunk architecture design

• Data onboarding and normalization

• Dashboarding, alerting, and reporting

• Experience working with OT environments and understanding their constraints.

• Solid understanding of security logging and monitoring concepts

• Experience implementing complete Splunk solutions, not just operating existing ones.

Desired / Nice‑ to‑ Have Skills

• Knowledge or experience in Identity and Access Management (IAM)

• Experience with on‑ premises infrastructure (Windows, networking).

• Knowledge of Secure Remote Access solutions and architectures.

• Experience integrating Splunk with different solutions.

• Scripting or automation skills (ansible, PowerShell).

• Splunk certifications (Architect, Admin, Power User) are a plus.

Relocation Options:

Relocation may be considered.

International Considerations:

Expatriate assignments will not be considered

Chevron participates in E-Verify in certain locations as required by law.