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Mars UK • USA-Illinois-Chicago | United States of America

Executive Administration

Employment type:  Full time
Salary:  $32 – $44 per hour
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Job Description

Job Description:

Title: Executive Assistant

Location: Chicago, IL (in the new 400 North Aberdeen Chicago office with hybrid arrangements possible)

Position Overview:

The Executive Assistant (EA) is responsible for providing high-level administrative support to senior executives. This role involves managing schedules, organizing meetings, handling communications, and ensuring that the executive's time is efficiently allocated. The EA must possess strong organizational, communication, and problem-solving skills to work effectively in a fast-paced environment. The ideal candidate has an interest in leadership effectiveness and business-related topics. They have experience managing complexity and ambiguity on scale and know how to provide excellent customer service. They will have outstanding communication and negotiation skills and enjoy overcoming challenges in a team/collaborative environment.

Key Responsibilities:

Calendar Management:

  • Maintain, organize, prioritize and resolve conflicts with the executive’s calendar by scheduling internal and external meetings, appointments, and travel arrangements.

  • Prioritize and resolve conflicts regarding scheduling, ensuring the executive's time is efficiently utilized.

Communication Management:

  • Interface with leadership, internal staff, clients, key stakeholders, high-profile individuals, and important personal contacts.

  • Manage incoming and outgoing communications based on Sr leader preferences and communication styles ensuring timely responses and follow-ups.

  • Prepare and edit correspondence, reports, presentations, and other documents as needed.

Meeting and Event Coordination:

  • Arrange domestic and international travel – arrange flights, hotels & transfers.

  • Plan and coordinate internal and external meeting logistics, conferences, meeting rooms, catering, and guest arrival arrangements.

  • Attend meetings, take notes, and track action items.

  • Event planning that includes hotel blocks, group transportation, property search, costs, meeting invites, negotiations and decision making.

Project Support:

  • Assist with or lead specific projects and initiatives as directed by the executive, ensuring deadlines and objectives are met.

Budget and Expense Management:

  • Assist with the preparation and tracking of budgets, expenses, and invoices.

  • Process reimbursements and ensure adherence to company policies for financial matters.

Team Coordination:

  • Collaborate with other administrative assistants, staff, and departments to ensure smooth workflow and efficiency.

  • Manage internal and external communications for the executive, facilitating seamless interaction between stakeholders.

Other duties as required are based on capacity assessment

Required Skills and Qualifications:

  • Excellent written and verbal communication skills.

  • Problem-solving and critical thinking abilities.

  • Strong attention to detail and ability to work independently.

  • Ability to adapt to a dynamic, fast-paced work environment.

  • A professional demeanor and the ability to interact with high-level executives and stakeholders.

  • Excellent organization and analytical skills, comfortable managing competing priorities and leading projects and initiatives.

  • Effectively switch between tasks and adapt to changing priorities, while efficiently and effectively delivering results.

  • Working knowledge of Word, Excel, PowerPoint, Outlook, MS Teams.

  • Ability and interest in learning new tools and systems and managing frequent changes and upgrades.

  • Integrity in handling confidential information sensitively.

  • Comfortable providing feedback, directing, and engaging with senior leaders.

  • Sensitive about cultures, and different ways of being and thinking.

  • Curious about business, in general, and how decisions are made in global organizations.

Education & Experience:

  • A bachelor’s degree in business administration, communications, or a related field.

  • At least 5 years of experience in an executive assistant or administrative role is required.

What can you expect from Mars?

  • Work with over 130,000 diverse and talented Associates, all guided by the Five Principles.

  • Join a purpose driven company, where we’re striving to build the world we want tomorrow, today.

  • Best-in-class learning and development support from day one, including access to our in-house Mars University.

  • An industry competitive salary and benefits package, including company bonus.

The base pay range for this position at commencement of employment is between the range listed below, however, base pay offered may vary depending on multiple individualized factors, including but not limited to job-related knowledge, skills, and experience. The total compensation package for this position will include variable pay, medical and dental benefits, participation in 401k plan, and paid time off benefits. Details of participation in these benefit plans will be provided if an applicant receives an offer of employment.

The pay range listed is applicable to IL:USD 32.31 - USD 44.43

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Working at Mars UK

Hybrid

Core hours 11–3

Company benefits

Open to part-time employees
Open to job sharing
Open to compressed hours
Sabbaticals
Enhanced maternity leave – 26 weeks at 90% pay
Enhanced paternity leave – 26 weeks at 90% pay
24 days annual leave + bank holidays
“Pawternity” leave
Pregnancy loss leave
Bank holiday swaps
Shared parental leave
Adoption leave
Family health insurance
Pregnancy support
Neonatal leave
Faith rooms
Meditation space
Dog friendly office
Dog friendly co-working space
Annual bonus
Employee discounts
Cinema discounts
Referral bonus
Joining bonus
Cycle to work scheme
Electric Car Salary Sacrifice
Enhanced pension match/contribution
Theme park discounts
Lunch and learns
In house training
Learning license
Studying sabbaticals
Open to part time work for some roles
Menopause support
On-site gym
On-site barista
Secure on-site parking
On-site catering
Private booths
On-site wellness room
Collaboration spaces

Awards & Accreditations

1st - Most Family Friendly Company

1st - Most Family Friendly Company

Flexa awards 2026
3rd - Best Workplace Benefits

3rd - Best Workplace Benefits

Flexa awards 2026
Most loved - Large companies

Top 5 - Most loved - Large companies

Flexa awards 2026
Best Work-Life Balance

Top 10 - Best Work-Life Balance

Flexa awards 2026
1st - Most Family Friendly Company

1st - Most Family Friendly Company

Flexa awards 2025
2nd – Pet Friendly

2nd – Pet Friendly

Flexa awards 2025
Most Flexible Company

Top 5 - Most Flexible Company

Flexa awards 2025
Most Inclusive Company

Top 5 - Most Inclusive Company

Flexa awards 2025
Best Work-Life Balance

Top 10 - Best Work-Life Balance

Flexa awards 2025
Best Career Progression

Top 10 - Best Career Progression

Flexa awards 2025
Best Workplace Culture

Best Workplace Culture

Flexa awards 2025
Best Workplace Benefits

Best Workplace Benefits

Flexa awards 2025
1st – Large companies

1st – Large companies

Flexa100 2024
Consumer Goods

Consumer Goods

Industry awards 2023
3rd – Large companies

3rd – Large companies

Flexa100 2023
Retail & Ecommerce

Retail & Ecommerce

Industry awards 2022
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