Senior Administrative Process & Billing Specialist

Join one of Switzerland's foremost consulting and IT-services firms, supporting a diverse clientele-from dynamic SMEs and public-sector bodies to listed corporations. With a nationwide footprint and a talented team of over 400 specialists, where they deliver top-tier expertise in auditing, tax & legal advisory, management consulting, and end‑to‑end IT solutions-ranging from leading business-software implementations to robust infrastructure strategies.

Position Overview
We're looking for an Administrative Process & Billing Specialist to streamline and elevate our internal back‑office operations. In this role, you'll act as the go‑to expert for process enhancement, coordination, and commercial control-partnering closely with our COOs and department leads to ensure smooth, accurate, and efficient service delivery.

Key Responsibilities

• Process Analysis & Enhancement
  * Map, review and document current administrative workflows
  * Identify bottlenecks and implement improvements to boost quality and turnaround times

• Stakeholder Collaboration
  * Serve as a trusted adviser to back‑office managers and COOs
  * Field inquiries from both internal teams and senior management, offering clear guidance

• Commercial Controlling & Billing
  * Oversee license- and contract-related cost tracking, billing cycles and invoicing
  * Generate and manage quotations, ensure correct pricing, and follow through to invoice settlement

• Customer Communication
  * Maintain proactive telephone and e‑mail contact with clients and vendors to resolve billing or service questions
  * Ensure all interactions reflect our high standards of professionalism

Your Profile

• Completed commercial or business‑administration training

• At least 1-2 years' hands‑on experience in an IT or software‑driven environment

• Proven track record in process optimization and change-management initiatives

• Analytical thinker with the ability to "connect the dots" across teams and systems

• Strong communicator: confident, persuasive and solution‑oriented

• Proficient in MS Office; familiarity with Abacus (or similar ERP systems) is a plus

• Collaborative attitude and adaptability to shifting priorities