Retirement Plan Specialist

Olin Corporation; Clayton (MO); Hybrid; USD 88,000 - 134,000; Full time

Job summary

Olin Corporation is seeking a Retirement Plan Specialist in Clayton, MO, a hybrid role with two remote days. You will support the administration, governance, and regulatory compliance of Olin's Retirement Savings Plans and Supplemental Plan, collaborating with internal teams and external providers to ensure accurate operations and strong participant experiences.

The position requires a 4-year degree and at least 3 years of relevant plan experience, with HRIS familiarity (PeopleSoft/Workday) and

Qualifications

• Bachelor's degree required; HR, Accounting, Finance, or Business preferred.
• Minimum 3 years of retirement plan or employee benefit plan experience.
• Experience with HRIS systems; PeopleSoft/Workday preferred.

Responsibilities

• Administer 401(k) and deferred compensation plans with accurate processing of participant transactions, contributions, distributions, loans, and elections.
• Perform analyses, reconciliations, audits, and funding reviews for plan data integrity.
• Manage relationships with recordkeepers, trustees, administrators, payroll providers, and vendors.
• Support fiduciary governance, including Form 5500 filings, nondiscrimination testing, and regulatory reporting.
• Develop participant communications and educational materials for employees and retirees.
• Monitor regulatory developments and propose changes to ensure compliance and improve programs.

Skills

Communication

Analytical

Time management

Attention to detail

Teamwork

Education

Bachelor's degree

Tools

PeopleSoft/Workday

Microsoft Excel

Word/Outlook

Job description

Title: Retirement Plan SpecialistLocation: Clayton, MOSalary: $88,400 - $134,000Schedule: Hybrid with 2 days remote

The Retirement Plan Specialist plays a critical role in supporting Olin's business objectives by supporting the administration, financial oversight, compliance, and governance of Olin's Retirement Savings Plan and Supplemental Retirement Savings Plan. Working closely with internal stakeholders and external service providers, you will help ensure accurate plan operations, regulatory compliance, and a positive participant experience while supporting Olin's retirement strategy and fiduciary responsibilities.

What You’ll Do

• Administer Olin's 401(k) and deferred compensation plans, ensuring accurate and compliant processing of participant transactions, contributions, distributions, loans, and elections.
• Perform analyses, reconciliations, audits, and funding reviews to ensure the accuracy and integrity of retirement plan data, participant accounts, payroll interfaces, and financial reporting.
• Manage relationships with recordkeepers, trustees, administrators, payroll providers, and other vendors to support effective plan operations, participant service, and compliance.
• Support retirement plan governance and compliance activities, including fiduciary committee oversight, financial statement audits, Form 5500 filings, nondiscrimination testing, correction programs, and regulatory reporting.
• Develop participant communications and educational materials while serving as a subject matter expert for employee and retiree retirement plan inquiries.
• Monitor legislative and regulatory developments and recommend operational, procedural, or plan design changes to maintain compliance and enhance Olin's retirement programs.

Minimum Requirements

• Bachelor's degree*; degree in Human Resources, Accounting, Finance, or Business Administration preferred
• Minimum 3 years of relevant retirement plan or employee benefit plan work experience
• Experience using Human Resource Information Systems; PeopleSoft/Workday preferred
• Experience handling multiple external recordkeeper vendor relationships
• Superior communication (verbal and written), organization, time management, interpersonal, analytical, and problem solving skills
• Must be able to manage multiple processes and work well under time sensitive deadline, must demonstrate strong attention to detail and be team-oriented
• Microsoft Outlook, Excel and Word proficiency

All In With Olin

Olin is a global leader in chemical manufacturing and ammunition, with a legacy built on innovation, safety, and accountability. With over 7,000 employees worldwide, we invest in people who are ready to go All In for their careers, their teams, and their communities. An All-In Investment in Your Future At Olin, total rewards go beyond a paycheck. Our comprehensive benefits support your health, financial well-being, and long‑term success.

View a snapshot of our comprehensive benefits package.

• *Degree must be from a school that is accredited by an accrediting agency recognized by the Secretary of Education of the U.S. Department of Education or equivalent program from an international university.
• Olin does not provide any form of sponsorship.
• We will only employ those who are legally authorized to work in the United States.
• Individuals with temporary visas such as E, F-1, H-1, H-2, L, B, J or TN or who need sponsorship now or in the future, are not eligible for hire.

Olin is an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability status, protected veteran status, or any other characteristic protected by law.