Executive Administrative Assistant

Hemlock Semiconductor (HSC) is a leading global provider of hyper pure polysilicon, an essential material used in the semiconductor and solar industries. From smartphones in your pocket to satellites in orbit, our materials play a foundational role in modern technology.

At HSC, employees do work that matters. Team members are part of a safety focused organization that values teamwork, excellence, responsibility and customer focus. Rooted in Michigan for more than 65 years, HSC continues to evolve through innovation, operational discipline and a strong commitment to its people and communities.

This role contributes to HSC’s ongoing work and long-term success by supporting teams, processes and priorities that keep operations running effectively.

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.

• Manage complex executive calendars and coordinate meetings across departments and time zones. Company event planning.
• 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.
• 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.

• 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

• 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.

• 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 eliminate issues.
• Proactive mindset
  to continually improve the process

• 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

• Experience: Minimum 4 years supporting Senior or Executive Leadership.
• Environment:Office setting with occasional remote coordination within a fast-paced manufacturing environment; must manage multiple priorities independently.

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

High School Diploma

GED

The range for this position is $64,823.00 - $89,131.90assuming 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…