Marsh McLennan · 1 day ago
Sustaining Engineer - Gen AI
Dublin - Charlotte
Full-time
Hybrid
Mid LevelMarsh McLennan is a global leader in risk and management consulting, and they are seeking a Sustaining Engineer to support their Generative AI capabilities at the Dublin-based Innovation Centre. The role focuses on maintaining and improving AI systems to ensure reliability and performance, collaborating with cross-functional teams, and documenting processes.
Financial ServicesProfessional ServicesService Industry
Responsibilities
Provide day-to-day support and maintenance for Generative AI systems and related infrastructure
Troubleshoot and resolve system issues, incidents, and bugs in a timely manner
Monitor system performance and implement continuous improvement initiatives to enhance stability and efficiency
Document system configurations, support procedures, and incident resolutions to build a comprehensive knowledge base
Collaborate with development teams to implement patches, upgrades, and process optimizations
Establish and maintain best practices for sustaining engineering, including standards for prompt engineering and solution reuse
Identify opportunities to automate support tasks and improve operational workflows
Qualification
Required
Experience supporting and maintaining modern software systems, ideally with exposure to frontend frameworks such as React, Vue, or Angular
Practical knowledge of backend technologies like NestJS, NodeJS, Python or similar stacks
Strong understanding of RESTful APIs and system integrations
Proven problem-solving skills with a focus on root cause analysis and resolution
Preferred
Experience with Kubernetes and/or MongoDB in a production support context
Understanding of Large Language Models (LLMs) and their operational considerations
Knowledge of prompt engineering techniques and retrieval-augmented generation (RAG) as applied to sustaining AI solutions
Strong collaboration skills and comfort working in Agile teams
Benefits
Professional development opportunities
Interesting work
Supportive leaders
Vibrant and inclusive culture
Career opportunities
Benefits and rewards to enhance your well-being
Company
Marsh McLennan
Marsh McLennan (NYSE: MMC) is a global leader in risk, strategy and people, advising clients in 130 countries across four businesses: Marsh, Guy Carpenter, Mercer and Oliver Wyman.
Founded in 1871
10001+ employees
H1B Sponsorship
Marsh McLennan has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (4)
2024 (2)
2023 (8)
2022 (6)
2020 (11)
Funding
Current Stage
Public CompanyTotal Funding
$11.2B2024-10-30Post Ipo Debt· $7.25B
2024-02-14Post Ipo Debt· $1B
2023-09-06Post Ipo Debt· $1.6B
Leadership Team
Joe Hayes
Senior Vice President, COO Private Client Services
Katherine Brennan
SVP & General Counsel
Recent News
2025-12-01
MarketScreener
2025-11-21
2025-10-17
Company data provided by crunchbase