Senior Executive Assistant to the CEO

MKS Instruments; Andover (MN); On-site; USD 110,000 - 183,000; Full time

Benefits offered by this job

Discretionary annual bonus

Health insurance

401(k) with company match

Paid holidays

Job summary

MKS Instruments is seeking an Executive Administrative Assistant to support the President & CEO in a fast-paced environment. You will manage complex calendars, coordinate board meetings, and arrange extensive domestic and international travel with a proactive, detail-oriented approach.

This role requires 5+ years supporting C-suite leaders, exceptional communication skills, and the ability to handle confidential information with discretion.

Qualifications

• BA/BS required; MA/MBA a plus.
• 5+ years supporting senior executive/C-suite leadership.
• Track record of building complex global travel itineraries.
• Exceptional verbal and written communication skills.
• Ability to prioritize and deliver across multiple deadlines in a fast-moving environment.
• Willingness to work outside standard business hours when needed.
• Discretion with highly sensitive and confidential information.
• Strong Microsoft 365 skills; experience with Adobe, Workday, Boardvantage, or Oracle is a plus.

Responsibilities

• Deliver high-level executive administrative support to the President & CEO.
• Own end-to-end logistics for Board of Directors, Board Committee, and Advisory Council meetings.
• Proactively drive Board calendars, agendas, large-scale events, and off-site meetings with internal and external stakeholders—executives, board members, customers, and investors—along with expense reporting and invoice processing.
• Manage the CEO’s complex, frequently shifting calendar with full independence, coordinating across executive calendars domestically and internationally.
• Architect extensive domestic and international travel—flights, trains, ground transport, hotels, visas—building polished itineraries and troubleshooting travel issues.
• Act as a trusted liaison to external boards and top customers.
• Keep the Executive office running smoothly.

Skills

Executive support

Calendar management

Global travel itineraries

Verbal and written communication

Prioritization under pressure

Flexibility after hours

Discretion and confidentiality

Microsoft 365 proficiency

Education

BA/BS required

MA/MBA a plus

Tools

Microsoft 365

Adobe

Workday

Boardvantage

Oracle

Job description

MKS Instruments is seeking an Executive Administrative Assistant to support the President & CEO in a fast-paced environment. You will manage complex calendars, coordinate board meetings, and arrange extensive domestic and international travel with a proactive, detail-oriented approach.

This role requires 5+ years supporting C-suite leaders, exceptional communication skills, and the ability to handle confidential information with discretion.