Part-time English-speaking jobs in Castile and León

Senior Mining Investment Analyst supporting M&A advisory and investment banking. Conduct due diligence, build financial models (DCF, NAV), and analyze mineral resource statements (JORC, NI 43-101). Requires 5+ years in mining, finance, or technical advisory.

Strategic commercial leader developing and expanding high-value global OEM customer portfolios for Data Center cooling and Power Management and Control Components across EMEA. Focus on long-term partnerships and early engagement in customer roadmaps.

Real Estate Agents are sought to identify customer needs, conduct property tours, and manage listings across various locations. Candidates require strong German and English skills, professionalism, and a Category B driving license.

Senior Applied Research Engineer to tackle technical challenges in foundation model development. Responsibilities include profiling distributed training, optimizing large-scale training, and driving model productionization. Requires strong ML architecture and distributed training experience.

Senior Sales Leader focused on new customer acquisition for Smaragd.AI in the financial industry. Responsibilities include leading interdisciplinary teams and supporting market positioning in DACH and globally.

Lead SAP Market Unit in Iberia, driving growth and strengthening customer relationships. This role requires proven experience in SAP consulting sales, building pipelines, and engaging C-level stakeholders. Fluent Spanish and English are required.

Manages on-site delivery of mechanical works for data center construction, overseeing cooling systems, HVAC, and piping. Supervises contractors, coordinates interfaces, and ensures safe, quality installation and commissioning.

Experienced Agronomist needed to oversee and optimize permanent crop assets in Iberia, focusing on avocados, citrus, and berries. Responsibilities include farm operations, budget review, and implementing innovative techniques. Requires a relevant degree and 5+ years of experience.

Drive clarity and excellence across the product organization by building data dashboards and standardizing workflows. This role requires 2-5 years of experience, strong SQL skills, and the ability to align cross-functionally.

Drive enterprise deal cycles for API solutions, automating payouts and treasury operations. Requires 4+ years of enterprise sales experience, knowledge of API products, and fluency in English and German.

Lead large-scale customer service transformation initiatives in a global organization. Focus on optimizing CX, complaint handling, and operational performance by implementing AI and automation. Requires experience in high-volume contact centers.

Lead and scale the sales organization across consumer, enterprise, and sponsorship lines. Build a predictable revenue engine by establishing data-driven processes and partnering with AI to modernize sales workflows.

Fusion Expansion Sales Specialist to grow Fusion within existing customers. Drive incremental subscriptions and upgrade accounts. Requires professional working proficiency in French and success in inside sales.

Consultant role to enhance supply chain efficiency and cost savings by modeling processes, identifying pain points, and developing solutions for clients. Requires engineering degree, data analysis skills, and proficiency in Spanish and English.

HR Manager to lead all HR activities for the Martorell JIT Plant, aligning people strategies with business objectives. Responsibilities include labor relations, workforce planning, talent development, and HR compliance. Requires 5+ years of HR experience.

Senior Analytics Engineer serves as a technical advisor, designing scalable analytics solutions for industrial process data. Requires 5-7 years in process/reliability engineering with deep industry expertise.

QA/QC Lead for Equipment Fabrication requires hands-on inspection experience reconciling ASME design basis with PED conformity. Must have 8+ years in mechanical equipment fabrication and hold a welding inspector qualification. Spanish and English are mandatory.

Principal Machine Learning Engineer to lead complex ML initiatives and influence technical strategy. Responsibilities include designing, building, and deploying production models for large-scale commercial decision-making.

Hands-on, AI-native Marketing Specialist to own search, AI assistant, and partner visibility. Focus on content creation, SEO, and building collaborations. Must use AI agents and have technical SEO experience.

Executive Assistant to the CEO supporting leadership at an AI company. Responsibilities include calendar management, travel coordination, preparing materials, and leading operational projects. Requires 3-5+ years supporting C-level executives.