Retirement Plan Administrator

Salary: USD26.13 - USD38.55 per hour Job Title: Retirement Plan Administrator Location: Fountain Valley, CA (100% Onsite) Employment Type: Temporary (2-3 months with possible temp to hire) Compensation: $35-$38/hour About the Opportunity We're seeking an experienced Retirement Plan Administrator to step into a highly visible role supporting a large corporate retirement plan. This position will serve as the primary point of contact for plan administration, working closely with Fidelity, payroll, auditors, and internal stakeholders to ensure accurate processing, regulatory compliance, and audit readiness. This is an excellent opportunity for a retirement plan professional who has hands-on experience with 401(k) administration, payroll reconciliation, ERISA compliance, and Form 5500 reporting. What You'll Be Doing Own day-to-day administration of the company's 401(k) retirement plan Manage participant eligibility, enrollments, rollovers, loans, hardship withdrawals, and record maintenance Serve as the primary liaison with Fidelity and other external partners Perform bi-weekly employee data uploads and maintain ADP-to-Fidelity integration accuracy Reconcile payroll deductions, retirement contributions, and participant records Coordinate and support Form 5500 preparation, review, and filing activities Assist with annual audits, compliance testing, and fiduciary requirements Prepare documentation and reports for auditors, advisors, and internal leadership Coordinate 401(k) committee meetings and track action items What We're Looking For 5+ years of 401(k), retirement plan, or benefits administration experience Experience working directly with Fidelity or another retirement plan recordkeeper Strong knowledge of ERISA, Form 5500 reporting, and retirement plan compliance Experience with payroll reconciliation, contribution remittance, and audit support Familiarity with ADP or similar payroll systems Strong Excel, analytical, and problem-solving skills Ability to work independently and quickly step into an active retirement plan environment Ideal Background We're especially interested in candidates who have managed retirement plans for a corporate HR or Benefits team and can confidently own plan administration with minimal training. Yes, I am currently eligible to work (work permit/visa/citizenship) in the country to which I am applying. No, I am not currently eligible to work (work permit/visa/citizenship) in the country to which I am applying. #J-18808-Ljbffr Ultimate Staffing Services