Executive Assistant & Project Coordinator - SI CTO 80-100%

Transform the everyday with us

At Siemens, we create technology with purpose. Within our SI CTO business, we develop innovative technologies that make buildings smarter, more sustainable, and more efficient. Our people collaborate across functions and countries to shape the future of intelligent buildings—and we’re looking for someone who thrives in a dynamic environment where organization, collaboration, and execution make a real difference.

Your Mission

As Executive Assistant & Project Coordinator , you will play a key role in enabling the Head of SI CTO and the leadership team to operate effectively. This is a hybrid role that combines executive support, project coordination, and leadership enablement in equal measure

You will ensure the smooth day-to-day operation of the executive office while coordinating strategic initiatives, preparing high-quality executive content, and driving follow-up across the leadership team. Acting as a trusted partner, you will bring structure, transparency, and momentum to business priorities by connecting people, information, and actions

Success in this role requires exceptional organizational skills, proactive ownership, excellent communication, and the ability to balance operational excellence with strategic coordination in a fast-paced, international environment

Location: Zug, Switzerland

Your responsibilities

Executive & Leadership Administrative Support (approximately 50%)

• Provide proactive executive support to the Head of SI CTO by managing calendars, priorities, correspondence, and daily coordination with professionalism and discretion
• Act as a trusted point of contact for internal and external stakeholders, ensuring efficient communication and seamless information flow
• Draft and manage executive correspondence in German and English, demonstrating excellent judgment, cultural awareness, and an executive-level communication style
• Plan, organize, and facilitate leadership meetings, workshops, and events, including agendas, briefing materials, logistics, travel arrangements, catering, and expense reconciliation
• Anticipate business needs, identify opportunities to improve ways of working, and leverage modern productivity and AI tools to enhance efficiency and collaboration

Project Coordination & Content (approximately 50%)

• Help the SI CTO Head stay focused on strategic goals by managing competing priorities and surfacing the right information at the right time
• Prepare and edit high-quality content such as decision briefings, presentations, reports, and executive summaries for leadership forums and external engagements
• Lead and coordinate high-priority and strategic initiatives for the SI CTO Head - from planning through execution, connecting workstreams and ensuring timely delivery
• Maintain action trackers, decision logs, and follow-up mechanisms across the leadership team - ensuring accountability, transparency, and consistent progress toward agreed outcomes
• Develop a deep understanding of the team's strategy, priorities, and company policy - acting as an informed resource for the SI CTO leadership team

What Makes You Successful

• Proactive ownership: You anticipate needs, take initiative, and deliver high-quality results with speed and accountability
• Project coordination: You bring structure to complexity, align stakeholders, and keep priorities moving forward
• Executive communication: You communicate confidently in German and English with professionalism, discretion, cultural awareness, and the right executive tone
• Digital mindset: You embrace AI and digital tools, continuously improve ways of working, and stay curious about the business

Your experience

Required

• Several years of experience in Executive Assistance, Project Coordination, PMO, Business Support, Office Management, or a comparable leadership support role within an international or technology-driven environment.
• Proven ability to coordinate projects, manage multiple priorities, and drive follow-up across diverse stakeholders.
• Strong organizational skills with excellent attention to detail and a structured, solution-oriented approach.
• Ability to work independently, exercise sound judgment, and proactively solve problems in a dynamic environment.
• Excellent written and verbal communication skills in German and English, including experience preparing executive correspondence and presentations.
• Strong proficiency in Microsoft 365 (Outlook, Word, Excel, PowerPoint, Teams, Copilot) and confidence in adopting new digital and AI-based productivity tools.

Preferred

• Experience working in a matrix organization with exposure to senior leadership.
• Familiarity with technology or engineering environments and an interest in understanding technical topics.
• Experience supporting strategic initiatives, governance processes, or cross-functional projects.

Why Join Us?

This role offers a unique opportunity to combine executive partnership with project coordination and strategic leadership support. You will work at the center of a dynamic international technology organization, collaborating closely with senior leaders and contributing to initiatives that shape the future of Siemens SI Technology.

If you enjoy bringing structure to complexity, coordinating people and priorities, and turning ideas into action, you’ll have the opportunity to make a visible impact while continuing to develop your own career in a collaborative and innovative environment.

Employee benefits

• 2–3 days per week of mobile working is standard
• Mobility allowance
• Varied further training opportunities
• Access to employee share programs
• Further information about employee benefits can be found here

Our corporate culture – your new working environment

The culture at Siemens Switzerland is more than just a working environment – it is at the heart of our day-to-day interactions and the key to our success. Siemens Switzerland offers a future-oriented working environment characterized by innovation, sustainability and personal development. We are characterized by personal responsibility, equal opportunities and diversity, to which every employee can contribute authentically. Flexible working models and remote working are a reality for us and enable our employees to achieve a good work-life balance. Learn more and find out if you are a good match with Siemens by taking our culture quiz ! 

“ For me, empowerment means courageously assuming responsibility, but also being heard and being able to count on genuine support in a respectful environment. ” (Head of Portfolio Sales Enablement)

News and stories

See for yourself how innovative technology can change the present. If you want to find out more about what projects can be implemented using Siemens technology, here are some current examples .

Frequently asked questions and contact information

Here you will find a collection of frequently asked questions and a way to contact us directly.

I look forward to receiving your application.

Isidora
Talent Acquisition 

Information for recruitment agencies: Siemens is not accepting applications from recruitment agencies for this position. Thank you for your understanding.