401(k) Plan Administrator
Ultimate Staffing · Fountain Valley, CA · 1 wk ago
On-siteHuman Resources$35–$38/hrTemporary
Location: Fountain Valley, CA (100% Onsite)
Employment Type: Temporary (2-3 months with possible temp to hire)
About the role
We're seeking an experienced 401(k) Administrator to oversee day-to-day retirement plan operations, compliance, payroll integration, and vendor management for our client's company.
Responsibilities
- Own administration of the 401(k) plan, including enrollments, loans, hardships, rollovers, and eligibility tracking
- Manage ADP-to-Fidelity integration and bi-weekly employee data uploads
- Reconcile payroll deductions and retirement plan contributions
- Coordinate Form 5500 preparation, review, and filing with external partners
- Support audits, compliance testing, and ERISA requirements
- Coordinate 401(k) committee meetings and track action items
- Serve as backup for payroll, HRIS, and benefits administration
Requirements
- Bachelor's degree required
- 4+ years of HR, Benefits, Payroll, or HRIS experience
- Experience administering 401(k) plans and working with Fidelity
- Knowledge of Form 5500, retirement plan compliance, and audits
- ADP experience strongly preferred
- Strong analytical and reconciliation skills
Skills
- 401(k) Administration
- Retirement Plan Administration
- Employee Benefits
- Form 5500
- ERISA
- Fidelity Investments
- Payroll Administration
- ADP Workforce Now
- Benefits Compliance
- Vendor Management
Pay
$35-$38/hour