Staff AI Engineer

Use Your Power for Purpose
At Pfizer, the impact of technology resonates through every facet of our operations, driving a transformative digital and 'data first' approach. Across all functions-from groundbreaking research to efficient manufacturing-we embrace innovative solutions that empower us to enhance every aspect of drug discovery and development. Your efforts in building robust, reusable AI Solutions and empowering development teams streamline processes, making our work not only faster but easier. In doing so, you contribute significantly to a mission that transcends mere efficiency; you become a vital part of saving countless lives.
As a Staff AI Engineer, you will set the technical vision and lead the delivery of advanced Generative AI and agent-based solutions across the organization. Operating at a global scale, you will drive innovation, mentor senior engineers, and ensure the development of robust, scalable, and responsible AI systems that deliver real business value.
You will collaborate closely with:

• Senior software and AI engineers, and solution architects across multiple teams
• Product managers, business stakeholders, and platform teams to align technical solutions with strategic objectives
• Cross-functional partners to drive adoption of best practices and organizational standards

Why this Role Matters
This role is pivotal in shaping the organization's AI strategy and technical excellence. Your leadership will accelerate the adoption of cutting-edge AI technologies, foster a culture of innovation, and ensure that AI solutions are safe, reliable, and impactful at scale.

• Oversee Technical Delivery: Lead and advise on multiple GenAI and agent projects, ensuring technical excellence, scalability, and reliability across solutions
• Guide Technical Strategy: Set and communicate best practices for GenAI and agent systems, influencing organization-wide standards and technical direction.
• Mentor and Develop Talent: Mentor senior engineers, facilitate knowledge transfer, and drive organizational development through coaching and technical leadership
• Evaluate Emerging Trends: Continuously assess new AI technologies and methodologies for strategic fit, recommending adoption where appropriate.
• Ensure Responsible AI: Design and enforce policies, guardrails, and controls for safety, privacy, and compliance; embed governance into the delivery lifecycle.
• Drive Innovation: Lead the development and orchestration of advanced GenAI features and products, including prompt design, multi-step flows, tool/agent integration, and API wiring.
• Collaborate Across Functions: Engage in organizational development and strategic planning, partnering with stakeholders to align technical solutions with business objectives.
• Own Product Lifecycle: Oversee the full AI engineering product lifecycle, from architecture and prototyping to productionization, launch, governance, and ongoing operations.

Basic Qualifications

• Advanced degree in Computer Science, Engineering, or a related field.
• 7+ years of experience in AI, ML, or software engineering roles, with at least 2 years in a senior or staff-level capacity (2 + years of experience with a PhD in Computer Science, Engineering, or a related discipline )
• Strong proficiency in Python and modern AI frameworks (e.g., LangChain, AI Foundry, or similar toolkits).
• Deep experience with cloud platforms (Azure, AWS, or GCP) and MLOps/LLMOps tools.
• Proven track record in designing, building, and operationalizing GenAI solutions, including prompt engineering, RAG architectures, and multi-agent workflows.
• Solid understanding of data pipelines, APIs, vector databases, and model deployment.
• Demonstrated ability to lead technical delivery across multiple projects and mentor senior engineers.
• Experience implementing software engineering best practices: clean architecture, modular code, API design, automated testing, CI/CD, cloud/container orchestration, security, and performance tuning.

Preferred Qualifications

• PhD in Computer Science, Engineering, or a related discipline.
• Pharmaceutical, healthcare, or consulting industry experience.
• Expertise in Generative AI, Large Language Models, and adjacent technologies.
• Experience developing and delivering AI-driven PoCs and MVPs at enterprise scale.
• Strong analytical and problem-solving skills with the ability to navigate complex technical and business challenges.
• Experience in technical strategy, organizational development, and cross-functional collaboration.

Work Location Assignment: Hybrid
Please apply by sending your CV and a motivational letter in English
Purpose
Breakthroughs that change patients' lives... At Pfizer we are a patient centric company, guided by our four values: courage, joy, equity and excellence. Our breakthrough culture lends itself to our dedication to transforming millions of lives.
Digital Transformation Strategy
One bold way we are achieving our purpose is through our company wide digital transformation strategy. We are leading the way in adopting new data, modelling and automated solutions to further digitize and accelerate drug discovery and development with the aim of enhancing health outcomes and the patient experience.
Flexibility
We aim to create a trusting, flexible workplace culture which encourages employees to achieve work life harmony, attracts talent and enables everyone to be their best working self. Let's start the conversation!
Equal Employment Opportunity
We believe that a diverse and inclusive workforce is crucial to building a successful business. As an employer, Pfizer is committed to celebrating this, in all its forms - allowing for us to be as diverse as the patients and communities we serve. Together, we continue to build a culture that encourages, supports and empowers our employees.
Disability Inclusion
Our mission is unleashing the power of all our people and we are proud to be a disability inclusive employer, ensuring equal employment opportunities for all candidates. We encourage you to put your best self forward with the knowledge and trust that we will make any reasonable adjustments to support your application and future career. Your journey with Pfizer starts here!
Information & Business Tech