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Staff AI Engineer

Nokia Corporation · Bangalore, India

About this role

The Core Software AI (CAIE) team at Nokia is seeking a Staff AI Engineer to design and deploy next-generation intelligent, generative AI and machine learning technologies. This role is central to Nokia's strategic initiative to unify AI efforts into a cohesive product and platform portfolio. Responsibilities include designing and deploying advanced AI/ML models for complex data interpretation, implementing machine learning models for search, forecasting, and text mining, and developing agentic-based systems for anomaly detection and root-cause analysis. You will also be responsible for optimizing existing ML models and pipelines for performance, scalability, and efficiency. Required qualifications include at least 10 years of relevant machine learning experience, proficiency with ML frameworks like TensorFlow and PyTorch, deep-learning algorithms, LLMs, search engines, vector databases, and big data technologies such as Spark, Kafka, and Cassandra. A Bachelor’s degree is required. Preferred qualifications include an MS or PhD in Computer Science, Engineering, Mathematics, or a related field, and experience with deployment technologies like Docker and Kubernetes. This is a full-time, hybrid position based in Bangalore, India.

For full details about this role, click “Apply on company site” to view the employer’s original posting.

Skills for this role

Machine LearningGenerative AIDeep LearningLLMsTensorFlowPyTorchSearch EnginesVector DatabasesSparkKafkaCassandraDockerKubernetes

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Get interview-ready for this role

A focused preparation guide, built around this job’s responsibilities and requirements.

✦ AI-generated guide
Preparation suggestions, not the employer’s actual interview questions. Always check the original posting for current requirements.
01

Understand the role

What matters most

  • Unifying AI Initiatives

    The role is central to transitioning Nokia from isolated AI features to a cohesive, unified product and platform portfolio. You must prioritize architectural consistency and cross-functional alignment to ensure that new models integrate seamlessly into the broader CAIE ecosystem.

  • Agentic System Development

    A key responsibility is building agentic-based systems for anomaly detection and root-cause analysis. This requires moving beyond static models to creating autonomous, goal-oriented systems capable of complex reasoning and decision-making within technical infrastructure.

  • Performance and Scalability Optimization

    You are expected to optimize existing ML pipelines for performance and resource efficiency. This involves deep technical work with big data frameworks like Spark, Kafka, and Cassandra to ensure that AI solutions can handle large-scale data throughput effectively.

Likely challenges to think through

  • Balancing Innovation with Legacy Integration

    As the team moves toward a unified platform, you will likely face the challenge of integrating cutting-edge generative AI and LLMs with existing, potentially legacy, data pipelines. Prepare by demonstrating how you have successfully refactored or modernized older ML systems without disrupting production stability.

  • Complexity of Agentic Workflows

    Developing agentic systems for root-cause analysis is inherently difficult due to the need for high reliability and explainability. Prepare by discussing your approach to designing robust agent architectures that minimize hallucinations and ensure auditability in critical diagnostic tasks.

  • Scaling Models for Diverse Use Cases

    The role requires applying ML across search, forecasting, and text mining simultaneously. The challenge lies in building a platform that is flexible enough to support these varied domains while remaining performant. Prepare to discuss your experience in designing modular, reusable ML components that scale across different business applications.

03

Practice your answers

Technical practice

Architecting Agentic Systems for Root-Cause Analysis

What to coverExplain your approach to designing agentic workflows for automated root-cause analysis. Discuss how you manage state, handle tool selection, and ensure reliability when agents interact with complex system logs or telemetry data.

Optimizing LLM Pipelines for Scalability

What to coverDescribe strategies for optimizing large language model inference pipelines in a production environment. Focus on techniques for reducing latency, managing memory footprint, and handling high-throughput requests using distributed frameworks.

Vector Database Selection and Performance

What to coverCompare different vector database architectures in the context of large-scale search applications. Discuss trade-offs between indexing methods like HNSW vs. IVF and how you ensure consistency and retrieval accuracy at scale.

Integrating Big Data Frameworks with ML Workflows

What to coverHow do you leverage Spark and Kafka to build real-time feature engineering pipelines? Address how you handle data synchronization and ensure low-latency data availability for model training and inference.

Deep Learning Model Deployment Strategies

What to coverDiscuss the challenges of deploying deep learning models using Docker and Kubernetes. Focus on resource management, GPU scheduling, and maintaining model versioning consistency across production clusters.

Advanced Text Mining and Forecasting Techniques

What to coverExplain your methodology for implementing robust forecasting and text mining models on unstructured data. Discuss how you handle data drift and model retraining cycles to maintain performance over time.

Balancing Model Complexity and Efficiency

What to coverWhen tasked with optimizing an existing ML model, what metrics do you prioritize to balance predictive accuracy against computational cost? Provide examples of pruning, quantization, or distillation techniques you have applied.

Handling Data Consistency in Distributed Systems

What to coverGiven the use of Cassandra for big data storage, explain how you manage data consistency and availability trade-offs when building ML-driven applications. Discuss how these choices impact the reliability of your model training data.

Behavioural practice

Unifying Disparate AI Initiatives

What to coverDescribe a situation where you had to lead the transition from isolated AI features to a cohesive product platform. Detail the stakeholders you engaged, how you aligned technical roadmaps, and the final impact on the organization.

Navigating Technical Ambiguity in AI Projects

What to coverProvide an example of a project where the requirements for an AI solution were initially unclear. Explain how you defined the scope, validated your approach with stakeholders, and ensured the final delivery met business objectives.

Mentoring and Technical Leadership

What to coverAs a Staff-level engineer, describe how you have influenced the technical direction of a team or mentored junior engineers. Focus on a specific instance where your guidance improved the team's overall engineering standards or project outcomes.

Managing Cross-Functional AI Deployments

What to coverTell me about a time you had to coordinate with non-technical teams to deploy a complex ML system. How did you communicate technical risks and trade-offs to ensure successful adoption and operational readiness?

02

Sharpen your knowledge

Topics to prepare

  • Agentic AI Systems

    The role requires developing agentic-based systems for anomaly detection and root-cause analysis. Review the architecture of autonomous agents, focusing on planning, memory, and tool-use capabilities. Exercise: Design a conceptual framework for an agent that monitors system logs to autonomously identify and categorize root causes of network anomalies.

  • Scalable ML Pipelines

    The position emphasizes optimizing models for performance, scalability, and efficiency. Study strategies for distributed training and inference, including data partitioning and resource management. Exercise: Outline a strategy to optimize a high-latency inference pipeline using Spark for data processing and Kafka for real-time streaming ingestion.

  • Vector Database Integration

    The role involves working with search engines and vector databases. Understand the trade-offs between different indexing algorithms (e.g., HNSW vs. IVF) and how they support LLM-based retrieval-augmented generation. Exercise: Compare the performance implications of using a vector database versus a traditional search engine for high-dimensional text embeddings.

Skills to revise

  • Big Data Frameworks (Spark, Kafka, Cassandra)

    The role requires proficiency in big data technologies for model training and data interpretation. Exercise: Create a mock data pipeline architecture that consumes telemetry data via Kafka, processes it with Spark, and stores the results in Cassandra for downstream ML model consumption.

  • Deep Learning Frameworks (PyTorch/TensorFlow)

    You must demonstrate advanced experience with deep learning frameworks. Exercise: Implement a custom training loop in your preferred framework that includes model checkpointing and performance monitoring to demonstrate your ability to handle complex model development.

  • Containerization and Orchestration (Docker/Kubernetes)

    While listed as preferred, these are critical for deploying models at scale. Exercise: Write a Dockerfile for a model inference service and define a Kubernetes deployment manifest that includes resource limits and horizontal pod autoscaling to ensure production efficiency.

04

Your preparation checklist

  • Prepare a technical case study on agentic systems

    Develop a concise walkthrough of a past project where you designed an agentic-based system for anomaly detection or root-cause analysis. Focus on the architecture, the specific ML models used, and how you ensured the system was scalable and efficient.

  • Document your experience with big data and search infrastructure

    Create a summary of your experience integrating Spark, Kafka, and Cassandra into ML pipelines. Be prepared to discuss how you optimized these technologies for high-throughput data processing and how you implemented vector databases for search engine applications.

  • Review your deep learning and LLM deployment history

    Prepare to discuss your hands-on experience with TensorFlow or PyTorch in production environments. Specifically, highlight how you have handled model deployment, versioning, and performance optimization using Docker and Kubernetes.

  • Formulate strategic questions for the CAIE team

    Prepare questions regarding the current state of Nokia's AI platform unification. Ask about the primary technical challenges in transitioning from isolated features to a cohesive product portfolio and how the team balances generative AI innovation with existing infrastructure constraints.

AI-generated from the job information · Prepared Oct 11, 2026 (UTC)Useful preparation, not a guarantee of eligibility or an offer.

Availability last checked: 18 Oct 2026. Status can change after a check; confirm on the employer’s website. Report an issue · Our checking policy

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