Senior Application Support Administrator

Marsh McLennan

. Provide expert-level remote support for enterprise applications .

Posted 10/23/2026full-timeRemote • United StatesSenior💰 $51,700 - $90,400 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Expertise in application support management with a strong focus on troubleshooting, incident resolution, and performance monitoring. Proficient in managing application configurations and deployments while ensuring compliance with industry standards.

Highest-signal resume keywords

Application Support ManagementServiceNowITIL ProcessesCloud-Based ApplicationsPowerShell

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

TroubleshootingIncident ResolutionApplication MonitoringAutomationSSL Certificate ManagementDatabase ConnectivityAPI ManagementPerformance OptimizationDocumentation DevelopmentUser Training

Soft Skills

Analytical SkillsProblem-Solving SkillsCommunication SkillsInterpersonal SkillsMentoring

Tools & Technologies

ServiceNowManageEngineZendeskPower AutomatePythonAzureAWSCybersecurity ToolsInfrastructure Management ToolsInsurance Agency Management Systems

Certifications & Qualifications

ITILMicrosoft CertifiedCompTIA A+

Industry Keywords

InsuranceFinancial ServicesEnterprise ApplicationsService ManagementCloud Services

Tech Stack

Tools & technologies

AWSAzureCloudCyber SecurityPythonServiceNow

About the role

Key responsibilities & impact

Provide expert-level remote support for enterprise applications
Troubleshoot issues, resolve incidents, and monitor application performance
Log, track, and manage support tickets using ServiceNow, ManageEngine, and Zendesk
Coordinate with vendors and support teams to resolve defects, apply patches, and implement updates or enhancements
Manage application configurations, updates, and deployments according to best practices, policies, and compliance standards
Develop and maintain application documentation, procedures, troubleshooting steps, and user guides
Proactively identify performance and availability issues and minimize downtime
Serve as the primary contact for escalated support requests
Conduct training and provide ongoing support to end-users
Participate in system upgrades, migrations, and integrations
Mentor and support junior team members
Monitor industry trends and recommend process improvements
Assist with SSL certificate renewal and installations
Coordinate with Azure, network, cybersecurity, and infrastructure teams
Support automation using Power Automate, PowerShell, and Python

Requirements

What you’ll need

Bachelor’s degree in Computer Science, Information Technology, or a related field
5+ years of experience in application support management, preferably within the insurance or financial services industry
Familiarity with ITIL processes and best practices for service management
Excellent analytical and problem-solving skills
Strong communication and interpersonal skills
Experience supporting cloud-based applications and services such as AWS, Azure, or SaaS platforms is a plus
Relevant certifications such as ITIL, Microsoft Certified, CompTIA A+, or similar are highly desirable
5+ years of experience with ServiceNow, ManageEngine, and Zendesk preferred
5+ years of experience with insurance Agency Management Systems such as Applied Systems' Epic or Vertafore's Sagitta preferred
5+ years of experience with application monitoring and maintenance, including availability, performance, jobs, interfaces, API, and database connectivity
Experience assisting with SSL certificate renewal and installations
Experience coordinating with Azure, network, cybersecurity, and infrastructure teams
Experience supporting automation using Power Automate, PowerShell, and Python

Benefits

Comp & perks

Generous time off, including personal and volunteering
Tuition reimbursement and professional development opportunities
Remote Work
Charitable contribution match programs
Stock purchase opportunities
Health and welfare benefits
401K savings and other retirement programs
Employee assistance programs
Performance-based incentives may be available
Competitive total rewards package