Machine Learning Engineer

Sigmar Recruitment; Dublin; On-site; EUR 66,000 - 111,000; Full time

Benefits offered by this job

Competitive daily rate

Senior-level ownership

Agile engineering culture

Job summary

Sigmar Recruitment is seeking a Principal Machine Learning Engineer to join a global financial services technology organisation. You will lead end-to-end ML projects, collaborating with data engineers and scientists to design, build, deploy and scale AI-driven solutions.

You’ll drive cloud-based ML platforms, data pipelines and MLOps, mentor engineers, and shape technical direction across initiatives. This is a senior role with ownership in a fast-paced, innovative environment.

Qualifications

• Significant experience delivering large-scale software and data platforms.
• Strong AI/ML lifecycle expertise from model development to deployment.
• Hands-on cloud deployments in AWS with familiarity of data pipelines.
• Experience with CI/CD pipelines and DevOps tooling.
• Proven leadership and ability to mentor engineers across teams.
• Experience with ML platforms such as SageMaker or similar.

Responsibilities

• Lead end-to-end ML lifecycle across projects with data engineers and scientists.
• Design, build, deploy, and scale AI-driven solutions for participant services.
• Build and maintain cloud-based ML platforms and data pipelines.
• Mentor engineers and influence technical direction across initiatives.

Skills

Large-scale software and data systems

AI/ML lifecycle

Cloud-based ML platforms

Mentoring engineers

Cross-team collaboration

MLOps practices

AWS cloud services

CI/CD tooling

Python/Java API development

Data pipelines and OLTP

Tools

AWS

Jenkins

uDeploy

Concourse

SageMaker

Azure ML

MLFlow

Seldon

Kubeflow

Airflow

Prefect

Luigi

Spring Boot

Job description

Join a global financial services technology organisation that is investing heavily in Artificial Intelligence and Machine Learning to deliver next-generation digital solutions. You’ll work in a collaborative, fast-paced environment where innovation, ownership, and engineering excellence are central to how teams operate.

About Your New Job

We are seeking a Principal Machine Learning Engineer to join an AI and Machine Learning squad within a Workplace Investing technology group. In this senior role, you will work end-to-end across the ML lifecycle, partnering closely with data engineers and data scientists to design, build, deploy, and scale AI-driven solutions that support participant services and business operations.

You will take a hands‑on leadership role in building cloud-based ML platforms, data pipelines, and MLOps capabilities, while influencing technical direction and mentoring engineers across multiple initiatives.

What Skills You Need

• Significant experience working on large-scale software and data platforms
• Strong background in AI/ML engineering with exposure to the full machine learning lifecycle
• Hands‑on experience building and deploying ML solutions in cloud environments (AWS preferred)
• Strong experience with CI/CD pipelines and DevOps tooling (Jenkins, uDeploy, Concourse or similar)
• Hands‑on experience with AWS services such as S3, EC2, Lambda, Glue, SNS, and SQS
• Experience deploying data pipelines and OLTP systems using platforms such as RDS/Postgres and data warehouses like Snowflake
• Experience with orchestration tools such as Airflow, Prefect, Luigi, or Kubeflow
• API development experience using Python and/or Java (Spring Boot)
• Strong understanding of model development, inference, monitoring, and retraining
• Proven technical leadership skills with the ability to communicate effectively across diverse teams
• Experience with ML platforms such as SageMaker, Azure ML, MLFlow, Seldon, or similar
• Exposure to cloud AI services and cognitive platforms
• Interest in emerging AI/ML technologies and MLOps practices

What’s on Offer

• Opportunity to work on strategic, high-impact AI/ML initiatives
• Senior-level role with strong technical influence and ownership
• Collaborative, agile engineering culture
• Daily Rate up to €600 per day depending on experience