Mariaelena Guerrero — Human Resources Generalist

Why Mariaelena

"Human Resources is more than a career path for me; it's a passion." Mariaelena brings hands-on HR experience across financial services, global design, maritime/union, and medical-device startup environments — a rare breadth for an early-career HR professional. She has owned benefits administration and reconciliation, HRIS management, multi-state compliance, onboarding, and employee relations, and is currently on contract at one of New England's largest federal credit unions while completing her SHRM-CP certification. She's ready to bring that breadth to a full-time HR home — a team she can grow with for the long term.

Benefits Administration & Reconciliation

HRIS: Rippling · BambooHR

E-Verify / I-9 Compliance

Multi-State Leave & Disability Notices

Union & CBA Environments

Immigration Support (H-1B / LCA)

Onboarding & Engagement

Advanced Excel (Pivot Tables · XLOOKUP)

DOT / USCG Regulatory Programs

Workers' Comp & Incident Reporting

Experience

Human Resources Coordinator (Contract) CURRENT

May 2026 – Present

Digital Federal Credit Union (DCU) · Marlborough, MA — Greater Worcester–Boston

Supports day-to-day HR operations for one of New England's largest federal credit unions — onboarding, employee records, and HR compliance in a regulated financial environment.
First point of contact for employee HR inquiries, coordinating benefits, policy, and payroll questions to resolution.
Maintains accurate, audit-ready HRIS data while safeguarding confidential employee information.

Benefits Coordinator (Contract)

Oct 2025 – Dec 2025

Gensler · San Francisco, CA — world's largest design & architecture firm

Ensured nationwide compliance by updating state disability and Paid Family Leave notices via the Site Reliance Matrix.
Conducted benefits reconciliations and corrected discrepancies — improving processing accuracy and reducing delays.
Audited benefits data with Excel pivot tables and XLOOKUP, improving reconciliation speed and reporting accuracy.
Partnered with HR and payroll teams to streamline benefits workflows.

Human Resources Assistant

Apr 2025 – Oct 2025

Hornblower Group · San Francisco, CA — maritime hospitality, union workforce

Managed employee records in HRIS and E-Verify with full accuracy, confidentiality, and compliance.
Coordinated onboarding and delivered HR policy trainings to union employees under collective bargaining guidelines.
Administered DOT / U.S. Coast Guard random drug-testing and maintained the HSSQE training & license matrix for audits.
Reported workplace incidents to Workers' Compensation and Jones Act insurers.

HR Assistant / Office Manager

May 2024 – Apr 2025

Promaxo · Oakland, CA — medical-device startup

Ran HR operations end to end: H-1B/LCA visa documentation, employee records (Rippling, BambooHR), recruiting coordination, onboarding, and benefits reconciliation.
Oversaw office management — vendors, facilities, inventory, and executive support — while ensuring regulatory compliance.
Planned employee engagement initiatives that strengthened workplace culture.

What Sets Her Apart

Trusted with the sensitive work

Union data under CBA guidelines, confidential records, drug-testing programs, visa files — employers have consistently placed compliance-critical responsibilities in her hands, and audits have stayed clean.

Accuracy that saves money

At Gensler she found and corrected benefits discrepancies and built Excel-driven audits that made reconciliation measurably faster and more accurate.

People-first by nature

Her profile says it best: HR is her passion, not just a career path. Colleagues know her for responsive employee support, positive onboarding experiences, and engagement initiatives people actually enjoy.

Four industries in three years

Financial services, design, maritime/union, and med-tech startup — she adapts fast, learns systems quickly, and brings cross-industry best practices with her.

Education & Certification

B.S., Human Resources & Organizational Behavior — California State University, East Bay · May 2025

A.A.S., Business Administration & Management — College of San Mateo · 2023

SHRM-CP — Actively In Progress: Exam scheduled for the SHRM Winter 2026–27 testing window (Dec 1, 2026 – Feb 15, 2027). Expected completion by February 2027. Member, SHRM Northern California chapter community.