Executive Administrative Assistant

At Hemlock Semiconductor (HSC), we transform people’s lives by energizing and connecting our world through silicon technology. Since 1961, HSC has been a leading global provider of hyper-pure polysilicon, and is the only polysilicon manufacturer headquartered in the United States. HSC plays an essential role in the semiconductor and solar industries, with the vision of becoming the preferred supplier of silicon-enabled technologies to the low-carbon, digital world.

Our polysilicon is used to make computer chips – the “brains” behind the electronic devices we rely on to make our lives easier, safer and more enjoyable. HSC is just one of six major manufacturers in the world that makes polysilicon used to create semiconductor wafers. In fact, nearly all electronic devices in the world contain HSC polysilicon.

We’re also moving the world toward a greener future by supplying the rapidly growing solar power industry. HSC is committed to doing good for our local Michigan and global communities, relentlessly improving our operations to remove supply chain carbon emissions. The low embodied greenhouse gas emissions in our polysilicon materials facilitates the production of ultra low-carbon solar panels. These panels allow solar project developers and owners to lower the embodied carbon of their projects by up to 50 percent.

To achieve our goals, we draw on the talents of more than 1,500 employees and contractors. Our employees thrive in a culture that values teamwork, excellence, responsibility and customer focus. We recognize and value the diverse backgrounds and experiences of all of our people working together as One Team. At HSC, you belong to a team that is transforming our world.

Summary

The Executive Administrative Assistant provides high-level administrative support to executive staff members. This role requires discretion, professionalism, and a thorough understanding of company operations, policies, and procedures. The assistant acts as a liaison between executives and internal/external stakeholders, ensuring smooth communication and operational efficiency and proactive leadership.

Essential Functions

• Manage complex executive calendars and coordinate meetings across departments and time zones.
• Serve as a gatekeeper to executive calendars, strategically managing access and redirecting meeting requests to appropriate team members to optimize time and efficiency.
• Organizes domestic and international travel, including last-minute changes.
• Prepare executive level presentation materials.
• Monitors task progress and ensure timely follow-up with team members; reviews presentations and deliverables in advance to confirm accuracy and completeness.
• Maintain department documentation, including SharePoint sites and file shares.
• Handles confidential correspondence and sensitive information with discretion.
• Assist in expense reporting, reconciliation, and budget tracking and vendor coordination.
• Insures smooth operation of assigned ELT offices, managing sensitive communications, and optimizing executive time through proactive calendar and meeting management
• Acts as a strategic gatekeeper to prioritize access and redirect meeting requests to appropriate team members for efficiency.

Additional Duties/Responsibilities

• Coordinates cross-functional meetings, leadership sessions, and enterprise-wide events.
• Supports internal committees and working groups with scheduling, documentation and follow- up.
• Serves as a liaison between ELT and internal/external stakeholders
• Provides backup to HSC Executive Office Manager and Executive Adm positions

Skills

• Technical: Proficiency in Microsoft Office Suite, HRIS systems (e.g., SAP Success Factors), SharePoint, Teams.
• Administrative: Calendar management, meeting logistics, travel coordination, documentation.
• Interpersonal: Strong communication, discretion, professionalism, and stakeholder engagement.
• Behavioral: Detail-oriented, proactive, collaborative, and able to manage confidential matters with integrity.
• Project management skills with ability to work in a dynamic environment.
• Excellent organizational skills to use your time and resources efficiently and effectively.

Skills, cont

• Excellent stakeholder management with ability to partner and develop relationships with mid and senior level leadership.
• Strategic data-driven thinker , able to analyze relevant data and recommend solutions.

• Ability to influence and network effectively, establishes credibility quickly, build strong relationships with peers, stakeholders, and key client partners.
• Ability to operate independently but understand when to escalate issues.
• Proactive mindset to continually improve the process

Behaviors that will set you up for success

• Relationally talented professionals who value people and honor others with genuineness, kindness, and respect.
• Multitaskers who are organized and can manage numerous competing priorities.
• Contributors of impact individually and to our team, someone who makes us all better.
• Detail-oriented individuals who want to achieve excellence in serving others.
• Positive and motivated individuals who are driven by what they can achieve and inspired by contributing to our mission.
• Thoughtful and helpful individuals who enjoy supporting others to be successful

Minimum Required Work Experience

• Experience: Minimum 2 years supporting senior HR or executive leadership.
• Environment: Office setting with occasional remote coordination within a fast-paced manufacturing environment; must manage multiple priorities independently.

Environment/Working Conditions

• Frequent interaction with senior HR leaders, business partners, and external vendors.
• Must maintain strict confidentiality and exercise sound judgment in all matters.

Education Requirements

High School Diploma

GED

The range for this position is $62,480.00 - $85,910.00 assuming full time status. Starting pay for the successful applicant is dependent on a variety of job-related factors, including but not limited to market demands, experience, training, and education. The benefits available for this position are dependent on hours worked and may include medical, dental, vision, 401(k) plan, variable bonus, life insurance coverage, disability benefits, and PTO.

HSC is an equal employment opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, protected veteran status, status as a qualified individual with a disability, marital status, pregnancy, sexual orientation, ancestry, genetic information, or any other characteristic protected by law.

If you are an individual with a disability and you need an accommodation or other assistance during the application process, please call our Human Resources department at:

989.301.5333
or email your request to
[email protected]
All qualified applicants are encouraged to apply.

Req No. 1080