Marsh McLennan · 3 days ago
Principal Engineer - Applications Development
Marsh McLennan is a global leader in risk, strategy, and people, advising clients in 130 countries. They are seeking a Principal Engineer for Applications Development to support and enhance IT operations management solutions, focusing on ServiceNow applications and integrations.
Financial ServicesProfessional ServicesService Industry
Responsibilities
Build and customize solutions across ITSM, ITOM, Security Incident Response, Software asset Management, and Hardware Asset Management
Configure and customize the ServiceNow ITOM suite, including ServiceNow Discovery, Service Mapping, CMDB, and CSDM
Develop and configure workflows, business rules, UI policies, client scripts, and integrations
Ensure high-quality coding standards, maintainability, and compliance with best practices
Investigate, diagnose, and resolve issues as reported by customers or automated alerts
Work closely with cross-functional teams, senior developers, and architects to refine technical approaches and system architecture to ensure successful delivery of ServiceNow solutions
Develop and maintain technical documentation for ITOM solutions implemented
Troubleshoot and resolve technical issues related to ITOM processes and systems
Participate in code reviews, knowledge-sharing sessions, and technical workshops
Help define best practices for module development in a high-compliance regulated setting
Qualification
Required
3 years of experience as a ServiceNow Developer, including hands-on module development and scripting, with a focus on ServiceNow ITOM solutions for Cloud (AWS/Azure/GSC) and On-Premise
Strong knowledge and experience with ServiceNow Discovery, Service Mapping, CMDB, ITSM, and CSDM
Experience with ITIL practices and frameworks
Proficiency in JavaScript, Glide, and related ServiceNow development tools
Ability to work in a collaborative, fast-paced environment with a strong growth mindset
Preferred
ServiceNow certifications (CSA, CIS-Discovery, CIS-Service Mapping, etc.) are a plus
ServiceNow Application Portfolio Management (APM) experience
Experience working in or with regulated industries such as insurance, healthcare, or finance
Exposure to Agile methodologies and CI/CD practices within ServiceNow environments
Strong problem-solving skills and a passion for building scalable enterprise solutions
Experience with writing and executing tests with the Automated Test Framework
Benefits
Professional development opportunities
Interesting work
Supportive leaders
Vibrant and inclusive culture
Range of 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.
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
Recent News
2025-12-01
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2025-11-21
2025-10-17
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