Human Resources and Admin Specialist

Experts Plus Recruitment Services•Waltham, MA

About The Position

A leading international technology and services organization is seeking a highly organized, compliance-driven, and proactive Human Resources & Administrative Specialist to manage HR operations, payroll administration, employee benefits, compliance, and office administration across multiple jurisdictions. This role is ideal for a professional who thrives in a fast-paced environment, takes ownership of processes, and values accuracy, confidentiality, and operational excellence.

Requirements

3–7 years of progressive HR and administrative experience
Proven experience managing payroll operations
Strong knowledge of U.S. federal and state employment law compliance
High attention to detail and financial accuracy
Excellent organizational and time management skills
Bilingual proficiency in English and Spanish required
Advanced proficiency in Microsoft Excel and HRIS systems
Advanced Microsoft Office skills, particularly Excel
Payroll reporting and reconciliation
HRIS systems and employee database management
Benefits administration and compliance coordination
Document management systems
Strong communication and interpersonal skills
Ability to maintain confidentiality and professionalism at all times

Nice To Haves

Bachelor’s degree in Human Resources, Business Administration, Finance, or related field preferred

Responsibilities

Draft and manage job postings through LinkedIn, Indeed, and recruitment agencies
Coordinate interviews and support the hiring process
Prepare offer letters and onboarding documentation
Manage onboarding activities including I-9 verification, payroll setup, and benefits enrollment
Handle employee offboarding including final payroll coordination, COBRA processing, and system access removal
Enforce company policies and HR best practices
Address employee inquiries related to payroll, benefits, and retirement plans
Support managers with employee relations matters including performance management, disciplinary actions, and grievance handling
Monitor and report key employment-related issues to senior management
Manage bi-weekly payroll processing for U.S. and Canada operations and bi-monthly payroll for international entities
Ensure accurate processing of payroll updates including new hires, terminations, bonuses, overtime, and salary adjustments
Process overtime in compliance with federal and state wage laws
Generate payroll reports and reconcile payroll data with Finance
Administer employee benefits programs including medical, dental, vision, disability, HRA/FSA, and retirement plans
Support leave management and employee benefit inquiries
Reconcile monthly insurance and benefits carrier invoices
Coordinate annual open enrollment activities and employee communications
Analyze compensation and benefits trends to support talent attraction and retention strategies
Maintain up-to-date knowledge of U.S. employment laws and labor compliance requirements
Ensure compliance with FLSA, ADA, COBRA, state-specific leave laws, and other employment regulations
Review and update HR policies and procedures to maintain legal compliance
Maintain accurate employee records and confidential documentation
Act as liaison with external vendors, benefits providers, and office service providers
Manage office administration, building coordination, and vendor relationships
Oversee office access control and security systems
Maintain secure documentation and system credentials