Senior Application Support Administrator

Job ID: MAMCGLOBALR370689EXTERNALENGLOBALRequisition: R_370689Company: Marsh McLennanLocation: 360 Hamilton Avenue, White Plains, NY 10601, United States of America | 6480 Rockside Woods Boulevard South, Corporate Plaza II, Independence, OH 44131, United States of America | 15 Smith Road, Midland, TX 79705, United States of America | 485 North Keller Road, Maitland Promenade One, Maitland, FL 32751, United States of America | 11500 Northlake Drive, Cincinnati, OH 45249, United States of America | One North Dale Mabry Highway, Tampa Commons, Tampa, FL 33609, United States of America | 101 North Starcrest Drive, Clearwater, FL 33765, United States of America | 110 West Tennessee Street, Florence, AL 35603, United States of America | 2821 Corporate Park Drive, Opelika, AL 36801, United States of America | 300 West Tenth Street, West Point, GA 31833, United States of America | 611 Pointe North Boulevard, Albany, GA 31721, United States of America | 11330 Lakefield Drive, Covenant Building I, Johns Creek, GA 30097, United States of America | 1900 Lawrence Street, Denver, CO 80202, United States of America | 200 Brookstone Centre Parkway, Building 118, Columbus, GA 31904, United States of America | 15415 Middlebelt, Livonia, MI 48154, United States of America | 4900 Libbie Mill East Boulevard, Richmond, VA 23230, United States of America | 5811 Pelican Bay Boulevard, Naples, FL 34108, United States of America | 2226 1st Avenue, Hibbing, MN 55746, United States of America | 520 NE First Avenue, Grand Rapids, MN 55744, United States of America | 332 West Superior Street, TS Providence Building, Duluth, MN 55802, United States of America | 2929 Allen Parkway, America Tower, Houston, TX 77019, United States of America | 248 East Capitol Street, Jackson, MS 39201, United States of America | 110 East Main Street, Tupelo, MS 38804, United States of America | 19 West Garden Street, Pensacola, FL 32502, United States of America | 830 West Causeway Approach, Mandeville, LA 70471, United States of America | 165 Thorndike Street, Lowell, MA 01852, United States of America | 1110 Montlimar Drive, Mobile, AL 36609, United States of America | One Sundial Avenue, Sundial Center, Manchester, NH 03103, United States of America | 766 Roosevelt Trail, Windham, ME 04062, United States of America | 300 Pine Street West, Hattiesburg, MS 39401, United States of America | 1600 West 7th Street, Cash America International Building, Fort Worth, TX 76102, United States of America | 1166 Avenue of the Americas, New York, NY 10036-2708, United States of America | 1600 Hunter Road, Hanover Park, IL 60133, United States of America | 1910 Denali Drive, Abilene, TX 79606, United States of America | 11 Music Circle South, Nashville, TN 37203, United States of America | 5605 Carnegie Boulevard, Carnegie X, Charlotte, NC 28209, United States of America | 144 River Street, Queensbury, NY 12839, United States of America | One Church Street, Rockville, MD 20850, United States of America | 600 Stevens Port Drive, Dakota Dunes, SD 57049, United States of America | 110 Front Street, Jupiter, FL 33477, United States of America | 1660 Pine Harrier Circle, Sarasota, FL 34231, United States of America | 107 Johnson Avenue North, Fosston, MN 56542, United States of America | 218 U.S. Highway One, Tequesta, FL 33469, United States of America | 210 North 6th Street, Brooklyn, NY 11211, United States of America | 2400 Ansys Drive, Canonsburg, PA 15317, United States of America | 1735 Technology Drive, San Jose, CA 95110, United States of America | 30 South 15th Street, One Penn Square West, Philadelphia, PA 19102, United States of America | 4300 West 133rd Street, Leawood, KS 66209, United States of America | 2301 Sugar Bush Road, Raleigh, NC 27612, United States of America | 111 North Canal Street, Chicago, IL 60606, United States of America | 1700 52nd Avenue B, Moline, IL 61265, United States of America | 7229 Bayberry Court, Richmond, VA 23226, United States of America | 110 Franklin Road SE, Roanoke, VA 24011, United States of America | 5415 High Street, Building A9, Phoenix, AZ 85054, United States of America | 903 W. 3rd Street, Kearney, NE 68845, United States of America | 501 South Flagler Drive, West Palm Beach, FL 33401, United States of America | 20 North Martingale Road, Woodfield Preserve Office Center, Schaumburg, IL 60173, United States of America | 655 Metro Place South, Dublin, OH 43017, United States of America | 1200 Riverplace Boulevard, Jacksonville, FL 32207, United States of America | 1320 East 7th Street, Los Angeles, CA 90021, United States of America | 100 East 2nd Street, Cedar Falls, IA 50613, United States of America | 501 Merritt 7 Corporate Park, Norwalk, CT 06851-7001, United States of America | 150 Tom Reeve Drive, Carrollton, GA 30117, United States of America | 5555 Glenridge Connector, N.E., Glenridge Highlands I, Atlanta, GA 30342, United States of America | 3500 North Village Drive, St. Joseph, MO 64506, United States of America | 5500 Fountains Drive NE, Cedar Rapids, IA 52411, United States of America | 463 Mountain View Drive, Colchester, VT 05446, United States of America | 100 Brigade Street, Charleston, SC 29403, United States of America | 125 Ottawa Avenue, N.W., The Ledyard Building, Grand Rapids, MI 49503, United States of America | 380 Knollwood Street, Winston-Salem, NC 27103, United States of America | One Towne Square, Southfield, MI 48076, United States of America | 500 Dallas Street, One Allen Center, Houston, TX 77002, United States of America | 306 Chevy Chase Drive, Hattiesburg, MS 39401, United States of America | 2500 Bee Caves Road, Building 1, Rollingwood, TX 78746, United States of America | 50 California Street, San Francisco, CA 94111, United States of America | 9415 East Harry Street, Building 500, Wichita, KS 67207, United States of America | 755 West Big Beaver Road, PNC Center, Troy, MI 48084, United States of America | 1050 Connecticut Avenue, N.W., Washington, DC 20036, United States of America | 4221 Mitchell Avenue, Suite 2C-3, St Joseph, MO 64506, United States of America | 153 W. 27th Street, New York, NY 10001, United States of America | 2112 Pennsylvania Avenue, NW, Washington, DC 20037, United States of America | 3625 North Elm Street, Greensboro, NC 27455, United States of America | Unknown, Miami, FL, United States of America | 7201 W. Lake Mead Boulevard, City Center West, Building A, Las Vegas, NV 89128, United States of America | 1122 Lady Street, Columbia, SC 29201, United States of America | 1401 Discovery Parkway, Wauwatosa, WI 53226, United States of America | 888 Seventh Avenue, New York, NY 10106, United States of America | 17335 Golf Parkway, Brookfield, WI 53045, United States of America | 5775 Los Angeles Avenue, Simi Valley, CA 93063, United States of America | 19701 Hamilton Avenue, Torrance, CA 90502, United States of America | 5990 Sepulveda Boulevard, Tri-Center Plaza, Van Nuys, CA 91411, United States of America | 8830 Stanford Boulevard, Columbia, MD 21045, United States of America | 405 East Saint Peter Street, New Iberia, LA 70560, United States of America | 1100 Louisiana Street, The Wells Fargo Plaza, Houston, TX 77002, United States of America | 214 Milam Street, Shreveport, LA 71101, United States of America | 5750 Johnston Street, Lafayette, LA 70503, United States of America | 150 North Michigan Avenue, Crain Communications Building, Chicago, IL 60601, United States of America | 1625 SE 192nd Avenue, Camas, WA 98607, United States of America | One University Square, Princeton, NJ 08540, United States of America | 4309 Emperor Boulevard, Durham, NC 27703, United States of America | 2300 Renaissance Boulevard, Renaissance Park, King of Prussia, PA 19406, United States of America | 200 Pine Street West, Wilson, NC 27893, United States of America | 161 Washington Street, Eight Tower Bridge, Conshohocken, PA 19428, United States of America | 1255 Treat Boulevard, Walnut Creek, CA 94597, United States of America | 1420 Neal Street, Cookeville, TN 38501, United States of America | 6410 Poplar Avenue, Memphis, TN 38119, United States of America | 5201 Gulf Drive, Holmes Beach, FL 34217, United States of America | 302 First Street West, Polson, MT 59860, United States of America | 445 South Street, Morristown, NJ 07960, United States of America | 736 Market Street, Chattanooga, TN 37402, United States of America | 1111 Northshore Drive, Landmark Center, Knoxville, TN 37919, United States of America | 2201 West Congress Street, Lafayette, LA 70506, United States of America | 1439 Centre Court, Alexandria, LA 71301, United States of America | 7701 Airport Center Drive, Greensboro, NC 27409, United States of America | 170 Meeting Street, Charleston, SC 29401, United States of America | 47 Airpark Court, Greenville, SC 29607, United States of America | 801 North Boulevard, Baton Rouge, LA 70802, United States of America | 2825 Palmer Street, Gateway Professional Plaza, Missoula, MT 59808, United States of America | 400 West Market Street, 400 West Market, Louisville, KY 40202, United States of America | 1690 Sumneytown Pike, Lansdale, PA 19446, United States of America | 5400 Meadows Road, Kruse Oaks II, Lake Oswego, OR 97035, United States of America | 340 Jesse Jewell Parkway, Gainesville, GA 30501, United States of America | 2291 West Broadway, Missoula, MT 59808, United States of America | 320 Boston Post Road, Darien, CT 06820, United States of America | 400 Madison Avenue, New York, NY 10017, United States of America | 275 West Kaahumanu Avenue, Queen Kaahumanu Center, Kahului, HI 96732, United States of America | 1000 Atrium Way, Mt. Laurel, NJ 08054, United States of America | 870 South Pleasantburg Drive, Greenville, SC 29607, United States of America | 3429 Elllwood Ave, Richmond, VA 23221, United States of America | 33 Lono Avenue, Kahului, HI 96732, United States of America | 517 North Church Street, Thomaston, GA 30286, United States of America | 5280 Corporate Drive, Frederick, MD 21703, United States of America | 9850 NW 41st Street, Doral Costa Office Park Phase II, Miami, FL 33178, United States of America | 3701 E Evergreen Drive, Evergreen Office Park, Appleton, WI 54913, United States of America | 2619 North Oak Street, Myrtle Beach, SC 29577, United States of America | 1 Village Center Dr, Van Buren Charter Township, MI 48111, United States of America | 8180 Greensboro Drive, McLean, VA 22102, United States of America | 75-5591 Palani Road, Kailua Kona, HI 96740, United States of America | 1133 Westchester Avenue, White Plains, NY 10604, United States of America | 114 West Walnut Street, Kokomo, IN 46901, United States of America | 929 McNeese Street, Lake Charles, LA 70605, United States of America | 5850 Waterloo Road, Columbia, MD 21045, United States of America | 5301 Limestone Road, Wilmington, DE 19808, United States of America | 4040 Finn Way, Lexington, KY 40517, United States of America | 2828 North Mansfield Avenue, Fayetteville, AR 72704, United States of America | 1020 Highland Colony Parkway, Ridgeland, MS 39157, United States of America | 9830 Colonnade Boulevard, Colonnade Centre, San Antonio, TX 78230, United States of America | 38 North Central Avenue, Cuthbert Building, 6th Street and Centra Avenue, Medford, OR 97501, United States of America | 633 Chestnut Street, Republic Center, Chattanooga, TN 37450, United States of America | 11724 NE 195th Street, Bothell, WA 98011, United States of America | 309 Columbia Avenue, Lexington, SC 29072, United States of America | 165 Timberwolf Parkway, Kalispell, MT 59901, United States of America | 6501 Peake Road, Building 700, Macon, GA 31210, United States of America | 100 North Loudoun Street, Winchester, VA 22601, United States of America | 130 Theory, Irvine, CA 92617, United States of America | 70 Linden Oaks, Rochester, NY 14625, United States of America | 525 South Flagler Drive, West Palm Beach, FL 33401, United States of America | 9 North Centre Street, Pottsville, PA 17901, United States of America | 2325 E. Camelback Road, Phoenix, AZ 85016, United States of America | Ford, 1 American Road, Dearborn, MI 48126, United States of America | 5080 Spectrum Drive, East Tower, Addison, TX 75001, United States of America | 1105 East Main Street, Bozeman, MT 59715, United States of America | 2520 Northwinds Parkway, Alpharetta, GA 30009, United States of America | 1103 Richard Arrington Jr. Blvd, Birmingham, AL 35205, United States of America | 1501 Belle Isle Avenue, Mount Pleasant, SC 29464, United States of America | 212 SW 4th Street, The Harriman Building, Madras, OR 97741, United States of America | 2 Main, Building 2 MAIN, Salt Lake City, UT 84101, United States of America | 780 NW York Drive, Bend, OR 97703, United States of America | 100 North Tryon Street, Charlotte, NC 28202, United States of America | 3289 Gabel Road, Transtech Center, Billings, MT 59102, United States of America | 201 West Waugh Street, Dalton, GA 30720, United States of America | 2200 Old Brick Road, Glen Allen, VA 23060, United States of America | 3522 Thomasville Road, Tallahassee, FL 32309, United States of America | 3506 Professional Circle, Martinez, GA 30907, United States of America | 2000 International Park Drive, Birmingham, AL 35243, United States of America | 6400 South Fiddlers Green Circle, Denver, CO 80111, United States of America | 14900 SW Barrows Road, Building B (East), The Shoppes at Progress Ridge, Beaverton, OR 97007, United States of America | Six PPG Place, Pittsburgh, PA 15222, United States of America | 405 3rd Street NW, Great Falls, MT 59404, United States of America | 525 Vine Street, Cincinnati, OH 45202, United States of America | 501 North Riverpoint Boulevard, Riverpoint One Building, Spokane, WA 99202, United States of America | 2763 Shadow View Drive, Crescent Village East, Eugene, OR 97408, United States of America | 606 NW Arizona Avenue, Bend, OR 97703, United States of America | 450 North Chestnut Street, Wahoo, NE 68066, United States of America | 545 SW 2nd Street, Corvallis, OR 97333, United States of America | 360 East Vine Street, Lexington, KY 40507, United States of America | 401 Main Street, Stevensville, MT 59870, United States of America | 1600 Solana Boulevard, Suite 8300, Westlake, TX 76262, United States of America | 111 E. Monument Avenue, Kissimmee, FL 34741, United States of America | 1 Polaris Way, Aliso Viejo, CA 92656, United States of America | 507 Plum Street, Syracuse, NY 13204, United States of America | 1500 Solana Boulevard, Building 3, Westlake, TX 76262-1690, United States of America | 1751 Pinnacle Drive, McLean, VA 22102, United States of America | 1 West Seneca Street, Buffalo, NY 14203, United States of America | 155 North Wacker Drive, Chicago, IL 60606, United States of America | 711 Broadway Street, San Antonio, TX 78215, United States of America | 70 East Lancaster Avenue, Malvern, PA 19355, United States of America | 3560 Lenox Road, Two Alliance Center, Atlanta, GA 30326, United States of America | 601 Merritt 7 Corporate Park, Norwalk, CT 06851, United States of America | 222 Central Park Avenue, Virginia Beach, VA 23462, United States of America | 5050 Lincoln Drive, Edina, MN 55436, United States of America | 1801 West End Avenue Palmer Plaza, Palmer Plaza, Nashville, TN 37203, United States of America | 3600 Minnesota Drive, Edina, MN 55435, United States of America | 121 River Street, Waterfront Corporate Center, Hoboken, NJ 07030-5792, United States of America | 111 Monument Circle, Salesforce Tower Building, Indianapolis, IN 46204, United States of America | 2405 Grand Boulevard, Crown Center Square, Kansas City, MO 64108-2519, United States of America | 150 South Warner Road, King of Prussia, PA 19406, United States of America | 125 Buckskin Avenue, Bismarck, ND 58503, United States of America | 10320 Orland Parkway, Orland Park, IL 60467, United States of America | 1031 West 4th Avenue, The Brady Building, Anchorage, AK 99501, United States of America | 29 S. Wenatchee Avenue, Halbert Building, Wenatchee, WA 98801-2210, United States of America | 24850 Burnt Pine Drive, Building 5, Bonita Springs, FL 34134, United States of America | 10850 Gold Center Drive, White Rock Corporate Campus, Rancho Cordova, CA 95670, United States of America | 1400 Corporate Drive, Irving, TX 75038, United States of America | 4000 Pine Lake Road, Lincoln, NE 68516, United States of America | 550 South Main Street, Greenville, SC 29601, United States of America | 1200 Smith Street, Two Allen Center, Houston, TX 77002, United States of America | 333 South Seventh Street, SPS Tower, Minneapolis, MN 55402, United States of America | 4000 Town Center, Southfield, MI 48075, United States of America | 1301 Fifth Avenue, Rainier Tower, Seattle, WA 98101, United States of America | 4400 PGA Boulevard, Palm Beach Gardens, FL 33410, United States of America | 505 Broadway, Fargo, ND 58102, United States of America | 309 Webster Street, Dayton, OH 45402, United States of America | 6160 Golden Hills Drive, Golden Hills II, Golden Valley, MN 55416, United States of America | 4411 98th Street, Lubbock, TX 79424, United States of America | 101 Huntington Avenue, Boston, MA 02199, United States of AmericaEmployment type: RegularCategory: TechnologyIndustry: Real EstateSalary: 90000Posted: 2026-10-23Our not-so-secret sauce.Award-winning, inclusive, Top Workplace culture doesn’t happen overnight. It’s a result of hard work by extraordinary people. The industry’s brightest talent drive our efforts to deliver purposeful work and meaningful impact every day. Learn more about what makes us different and how you can make your mark as an Senior Application Support Administrator at MMA.Marsh McLennan Agency (MMA) provides business insurance, employee health & benefits, retirement, and private client insurance solutions to organizations and individuals seeking limitless possibilities. With offices across North America, we combine the personalized service model of a local consultant with the global resources of the world’s leading professional services firm, Marsh McLennan (NYSE: MMC).A day in the life. As a Senior Application Support Administrator at Marsh McLennan, you will be a key player in delivering remote, service desk support to our enterprise users, ensuring the stability, performance, and security of our critical applications. Your expertise will be vital in providing timely, effective assistance to resolve technical issues faced by MMA employees, whether related to software, hardware, or access. You will troubleshoot and resolve incidents efficiently, manage user requests, and ensure minimal disruption to business operations. Collaborating closely with cross-functional teams—including development, infrastructure, security, and business units—you will support the organization’s digital ecosystem by delivering exceptional remote support, fostering positive user experiences, and driving continuous improvement. Your proactive approach, technical expertise, and customer-focused mindset will be essential in optimizing application performance and enhancing overall user satisfaction across the organization.Our future colleague.We’d love to meet you if your professional track record includes these skills:Provide expert-level support for enterprise applications, including troubleshooting, issue resolution, and performance monitoring to ensure reliable access and operation for remote users.Utilize service desk tools such as ServiceNow, ManageEngine, and Zendesk to log, track, and manage support tickets, ensuring timely resolution and effective communication with end-users and stakeholders.Coordinate with vendors and support teams to identify and resolve application defects, apply patches, and implement updates or enhancements to improve functionality and user experience.Manage application configurations, updates, and deployments in accordance with best practices, organizational policies, and industry compliance standards specific to retail insurance operations.Develop and maintain detailed documentation for application processes, procedures, troubleshooting steps, and user guides to support operational consistency and knowledge sharing.Monitor application performance and availability, proactively identifying potential issues and implementing solutions to minimize downtime and ensure high service levels.Serve as a primary point of contact for escalated support requests, ensuring timely resolution, clear communication, and effective stakeholder engagement across remote teams.Conduct training sessions and provide ongoing support to end-users, helping them maximize the value of retail insurance applications and tools.Participate in system upgrades, migrations, and integrations, ensuring smooth transitions with minimal impact on business operations and compliance with industry standards.Mentor and support junior team members, providing guidance, knowledge sharing, and assistance to foster their professional development and ensure team effectiveness.Stay informed about industry trends, new retail insurance applications, and emerging technologies to recommend process improvements and support continuous innovation.Qualifications: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, with the ability to troubleshoot complex issues effectively.Strong communication and interpersonal skills, capable of collaborating across technical and non-technical teams.Experience supporting cloud-based applications and services (e.g., AWS, Azure, SaaS platforms) is a plus.Relevant certifications such as ITIL, Microsoft Certified, CompTIA A+, or similar are highly desirable.5+ years of experience with service desk tools like ServiceNow, ManageEngine, and Zendesk preferred.5+ years of experience with insurance Agency Management Systems (AMS) such as Applied Systems' Epic or Vertafore's Sagitta preferred.5+ years of experience with application monitoring and maintenance- application availability, performance, jobs, interfaces, API and DB connectivity.Assist with SSL cert renewal and installations for supported applications. Coordinate with Azure, network, cybersecurity and infrastructure teams.Support automation using power automate, PowerShell and python.We know there are excellent candidates who might not check all of these boxes. Don’t be shy. If you’re close, we’d be very interested in meeting you.Valuable benefits.We value and respect the impact our colleagues make every day both inside and outside our organization. We’ve built a culture that promotes colleague well-being through robust benefit programs and resources, encourages professional and personal development, and celebrates opportunities to pursue the projects and causes that give colleagues fulfilment outside of work. Some benefits included in this role are:• Generous time off, including personal and volunteering• Tuition reimbursement and professional development opportunities• Remote Work• Charitable contribution match programs• Stock purchase opportunitiesTo learn more about a career at MMA, check us out online: or flip through our recruiting brochure: Follow us on social media to meet our colleagues and see what makes us tick:• • • • Who you are is who we are. We embrace a culture that celebrates and promotes the many backgrounds, heritages and perspectives of our colleagues and clients. We are always seeking those with ethics, talent, and ambition who are interested in joining our client-focused teams.Marsh McLennan and its affiliates are EOE Minority/Female/Disability/Vet/Sexual Orientation/Gender Identity employers.#LIRemote #LI-REMOTE The applicable base salary range for this role is $51,700 to $90,400.The base pay offered will be determined on factors such as experience, skills, training, location, certifications, education, and any applicable minimum wage requirements. Decisions will be determined on a case-by-case basis. In addition to the base salary, this position may be eligible for performance-based incentives.We are excited to offer a competitive total rewards package which includes health and welfare benefits, tuition assistance, 401K savings and other retirement programs as well as employee assistance programs.Applications will be accepted until: November 6, 2026