Senior Actuarial Analyst, Reserving – Loss Analytics

Arch Capital Group Ltd.

Actuarial Analyst responsible for reserving-related engagements and financial reporting at Arch Insurance Company. Collaborating with various teams for key decision-making and analytical insight.

Posted 5/12/2026full-timeChicago • Illinois, Minnesota, New Jersey, New York • 🇺🇸 United StatesSenior💰 $100,000 - $150,000 per yearWebsite

Tech Stack

Tools & technologies

PythonSQL

About the role

Key responsibilities & impact

Assist with the Arch Quarterly Reserving process (i.e. Arch reserve analyses and reports, including discussions with claims, underwriters, senior management, and outside consultants and auditors)
Assist with and/or lead the development of new reserving techniques, as well as new ways to examine the data while leveraging external and internal information, and helping improve and expand visuals to support findings and provide insight to senior management
Assist with and/or lead quarterly in-depth analysis for several business divisions, the discussions around assumptions and uncertainty, including presentation to executives, development of ongoing forecast process together with input on trend and plan projections
Collaborate closely with business division leaders, pricing actuarial, and claims to identify loss trends and emerging issues that could impact results and assist in developing proposals for corrective action in a timely manner
Assist with GAAP and SAP Financial Reporting (e.g. actuarial opinions, actuarial reports, statutory statements, and 10-Q/K reporting)
Assist in developing a discussion supporting the quarterly result and the drivers behind it
Assist with Quarterly Underwriting Year, NPV, and ROE analyses

Requirements

What you’ll need

Prior experience in a corporate or business unit reserving function required
Sound knowledge of actuarial techniques and standards, as well as other business operations including financial, underwriting, claims, etc.
Demonstrated ability to exchange ideas and convey complex information clearly and concisely, both verbal and in writing
Demonstrated programming skills (such as SQL, R or Python) preferred
Ability to establish and build effective relationships within the organization
Experience presenting results / findings to senior management a plus
A critical thinker who will challenge others in a respectful manner and will be open to being challenged
A detail-oriented person who can be committed to both quality as well as accuracy

Benefits

Comp & perks

multiple medical plans plus dental, vision and prescription drug coverage
a competitive 401k with generous matching
PTO beginning at 20 days per year
up to 12 paid company holidays per year plus 2 paid days of Volunteer Time Offer
basic Life and AD&D Insurance as well as Short and Long-Term Disability
Paid Parental Leave of up to 10 weeks
Student Loan Assistance and Tuition Reimbursement
Backup Child and Elder Care

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Applicant Tracking System Keywords

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Hard Skills & Tools

actuarial techniquesGAAPSAPSQLRPythonfinancial reportingunderwritingclaims analysisdata visualization

Soft Skills

communicationcritical thinkingrelationship buildingpresentation skillsdetail-orientedcollaborationanalytical thinkingproblem-solvingconcisenessadaptability