Administrative Specialist H/F

Qui sommes-nous ?

TSSD Services, Inc. (TSSD), founded in 1999, is a leading provider of professional and technical staffing solutions. The company supports clients across the energy and utility sectors, with a strong specialization in the nuclear industry.

TSSD has built recognized expertise in decommissioning and environmental remediation, delivering end‑to‑end management of decontamination, demolition, and site‑remediation projects. The company manages the segregation, packaging, and disposal of low‑level radioactive, hazardous, and conventional demolition wastes—ensuring safe, compliant, and efficient project execution.

Backed by an experienced team, TSSD has a proven track record of delivering safe, efficient, and cost‑effective project outcomes across complex and highly regulated environments.

In 2024, TSSD was acquired by the NUVIA Group, a subsidiary of VINCI Construction and part of the world‑leading VINCI network. NUVIA is an international company operating worldwide on highly regulated and sensitive industrial sites, primarily supporting the nuclear industry. This acquisition strengthens NUVIA’s U.S. footprint and enhances its capabilities in decommissioning, remediation, and nuclear lifecycle services.

Description du poste

The Administrative Specialist plays a central role in supporting the daily operations of a small but expanding company. This position provides direct administrative support to the CEO, HR Director, Operations Manager, and Payroll Administrator, and ensures the smooth and efficient delivery of administrative, HR, QHSE, and operational processes. The ideal candidate is highly organized, proactive, and comfortable supporting a wide range of activities in a dynamic, multi‑functional environment.

Key Responsibilities

General Administrative Support

• Provide comprehensive administrative assistance to the CEO, HR Director, Operations Manager, and Payroll Administrator.

• Manage calendars, schedule meetings, coordinate travel, and support document preparation and correspondence.

• Maintain organized company records, shared folders, and internal documentation systems.

• Support office management, including office location search, lease coordination, setup, supplies, and vendor management.

Payroll & HR Administration

• Assist the Payroll Administrator with timesheet collection, review, and entry, and help ensure accurate payroll processing.

• Support hiring activities, including posting job descriptions, coordinating interviews, candidate communication, and maintaining recruiting databases. 

• Support onboarding processes, including documentation, orientation scheduling, and system setup.

• Assist with benefits administration, HR compliance tasks, and employee recordkeeping.

Quality, QHSE & Compliance Support

• Assist in preparing HR, QHSE, and operational reports for internal and external stakeholders.

• Support the development, administration, and continuous improvement of the Quality Management System. 

• Assist with internal and external audits, including documentation preparation, follow‑up actions, and audit response coordination.

• Help maintain compliance documentation according to company policies and project requirements.

Operational & Project Support

• Provide administrative assistance to the Operations Manager, including document tracking, meeting coordination, project recordkeeping, and preparation of client‑required submissions.

• Support project staffing administration and logistics, including coordinating onboarding, clearances, certifications, visas, and deployment preparations.

• Assist with RFP responses, formatting, and coordination. 

Communication & Marketing Support

• Provide support with internal and external communications, including formatting newsletters, announcements, and updates.

• Assist with social media and recruitment marketing activities (LinkedIn, website updates, etc.). 

• Assist in organizing internal events, client visits, conferences, and employee‑related gatherings. 

Profil recherché

• 3–5+ years of experience in administrative, HR, or operations support roles (experience in small‑business environments preferred).

• Strong organizational and multitasking skills, with the ability to manage competing priorities.

• Highly detail-oriented and proactive.

• High level of professionalism, confidentiality, and discretion.

• Proficiency in Microsoft Office Suite; experience with databases and digital recordkeeping systems.

• Strong written and verbal communication skills.

• Experience supporting payroll or HR processes is an asset.

• Basic understanding of QHSE, quality management systems, or audit processes is preferred.

• Ability to work independently, take initiative, and support multiple leaders across the organization.

What we offer

• Employment Type : Full Time

. Location : Remote until office location is set - Must be based near Boca Raton, FL or greater Miami/Ft. Lauderdale area 

. Start : ASAP

• Competitive compensation and benefits aligned with role seniority and impact. 

• A culture focused on safety, technical excellence, and pragmatic problem solving.