Executive Administrative Assistant

Hemlock Semiconductor; Hemlock (MI); On-site; USD 65,000 - 89,000; Full time

Job summary

Hemlock Semiconductor in Michigan seeks an Executive Administrative Assistant to provide high-level support to our executive team. You will manage calendars across time zones, prepare presentations, and safeguard confidential information while coordinating with internal and external stakeholders.

This role requires discretion, professionalism and proactive problem solving in a fast-paced manufacturing environment.

Qualifications

• Manages executive calendars and meetings across time zones.
• Prepares executive-level presentation materials and reports.
• Maintains confidential information with discretion and professionalism.
• Coordinates travel and expense reporting for executives.

Responsibilities

• Manage complex executive calendars and coordinate meetings across departments and time zones.
• Serve as gatekeeper to executive calendars and optimize time by routing requests to appropriate team members.
• Organizes domestic and international travel, including last-minute changes.
• Prepare executive level presentation materials.
• Monitors task progress and ensures follow-up with team members.

Skills

Microsoft Office

HRIS SAP SuccessFactors

SharePoint

Teams

Calendar management

Meeting logistics

Travel coordination

Documentation

Communication

Discretion

Professionalism

Stakeholder engagement

Detail-oriented

Proactive mindset

Project management

Time management

Education

High School Diploma

GED

Tools

Microsoft Office Suite

SAP SuccessFactors

SharePoint

Teams

Job description

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.

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. 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.
• 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 elevate 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 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.

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 $64,823.00 - $89,131.90 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 [e-mail] All qualified applicants are encouraged to apply.

Req No. 1365