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 to satellites, our materials play a foundational role in modern technology. At HSC, employees do work that matters in 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.

About the role

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, operational efficiency, and proactive leadership.

Responsibilities

• Manage complex executive calendars and coordinate meetings across departments and time zones.
• Plan company events.
• Serve as a gatekeeper to executive calendars, strategically managing access and redirecting meeting requests to appropriate team members to optimize time and efficiency.
• Organize domestic and international travel, including last-minute changes.
• Prepare executive-level presentation materials.
• Monitor task progress and ensure timely follow-up with team members; review presentations and deliverables in advance to confirm accuracy and completeness.
• Maintain department documentation, including SharePoint sites and file shares.
• Handle confidential correspondence and sensitive information with discretion.
• Assist in expense reporting, reconciliation, budget tracking, and vendor coordination.
• Ensure smooth operation of assigned ELT offices, managing sensitive communications, and optimizing executive time through proactive calendar and meeting management.
• Act as a strategic gatekeeper to prioritize access and redirect meeting requests to appropriate team members for efficiency.
• Coordinate cross-functional meetings, leadership sessions, and enterprise-wide events.
• Support internal committees and working groups with scheduling, documentation, and follow-up.
• Serve as a liaison between ELT and internal/external stakeholders.
• Provide backup to HSC Executive Office Manager and Executive Administrative positions.

Requirements

• Minimum 4 years of experience supporting Senior or Executive Leadership.
• Proficiency in Microsoft Office Suite, HRIS systems (e.g., SAP Success Factors), SharePoint, and Teams.
• Strong administrative skills in calendar management, meeting logistics, travel coordination, and documentation.
• Excellent interpersonal skills, including communication, discretion, professionalism, and stakeholder engagement.
• Detail-oriented, proactive, and collaborative with the ability to manage confidential matters with integrity.
• Project management skills with the ability to work in a dynamic environment.
• Excellent organizational skills to use time and resources efficiently and effectively.
• Strong stakeholder management with the 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, establish credibility quickly, and 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 processes.

Qualifications

• High School Diploma or GED.

Behaviors 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 the 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.

Environment/Working Conditions

• 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.

Pay

The range for this position is $64,823.00 - $89,131.90 (full-time status). Starting pay for the successful applicant depends on a variety of job-related factors, including market demands, experience, training, and education.

Benefits

• Medical, dental, and vision coverage.
• 401(k) plan.
• Variable bonus.
• Life insurance coverage.
• Disability benefits.
• Paid time off (PTO).