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Mars

Associate Relations Manager (Employee Relations Manager) (f/m/x)

Location:  POL-Mazowieckie-Warsaw | Poland
Location flexibility:  3 office days / week
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Job Description

Job Description:

Associate Relations Manager (Employee Relations Manager)

at MARS

Hybrid working (up to 50%)

Location: Warsaw

We are seeking an experienced Associate Relations Manager to serve as a key point of contact for associate relations issues within our organization. The purpose of this role is to handle inquiries, mitigate risks, and resolve issues fairly and objectively, ensuring alignment with our Five Principles. You will be instrumental in building trust, ensuring labor law compliance, and proactively identifying insights to foster a positive and productive workplace.

What will be your key responsibilities?

  • Ensure associate and business advocacy; lead grievance and disciplinary processes in line with Mars guidelines to build a fair, trustworthy, and inclusive workplace.

  • Evaluate and manage Associate Relations questions, concerns, and issues escalated from client groups.

  • Coach and advise P&O Business Partners (HR BP), Leadership Teams, line managers, and associates on Associate Relations matters.

  • Make recommendations to improve policies, practices, and procedures for better consistency and effectiveness.

  • Deliver Associate Relations capability-building programs for line managers and leadership teams.

Apply
  • Partner with and coach line managers on the performance management process and documentation.

    • Review and recommend the next steps regarding separations, severance options, and transition assistance.

    • Perform thorough associate relations investigations and prepare recommendations based on findings.

    • Identify associate relations trends and partner with the Associate Relations Lead on appropriate actions.

    • Ensure accurate and timely case management using the ServiceNow system.

    • Drive regional projects within the field of Associate Relations.

    What are we looking for?

    • A university degree or equivalent, preferably in Human Resources, Labor/Industrial Relations, or a Legal field.

    • 4+ years of experience working in Human Resources or Industrial Relations e.g HR Generalist.

    • Deep knowledge of applicable Polish employment and labor relations regulations.

    • Strong communication, written, and interpersonal skills, with the ability to work effectively in both Polish and English.

    • Strong analytical, problem-solving, and conflict management skills.

    • Proven ability to handle and maintain confidential and sensitive information with discretion.

    • Ability to work independently, prioritize tasks, and meet deadlines while managing competing projects.

    • Willingness to travel up to 15% of the time.

    • Expertise in HR procedures and policies, Employee relations, ensuring regulatory compliance, and driving initiatives to foster company culture.

    What can you expect from us?

    • Contract of employment.

    • Attractive financial conditions with Business Bonus and Christmas Bonus.

    • We will also look after your safety and well-being by offering you rich benefits package including life insurance, private medical care, Employee Assistance Program fully covered by Mars, MultiBenefit Program.

    • Subsidized meals.

    • Extra savings scheme to support You in long perspective.

    • Support in career building through personalized development plan.

    • On-line & On-site shop with attractive discounts on our products that Your family and friend are going to love.

    • Possibility to participate in volunteering initiatives during working hours.

    • A modern and pet friendly office in the Warsaw City Centre.

    Apply now and upload you profile in English.

    #LI-KB1

    Working at Mars

    Hybrid

    Core hours 11–3

    Company employees:

    4,000 In the UK

    Gender diversity (m:f):

    57:43

    Hiring in countries

    Argentina

    Australia

    Austria

    Belgium

    Brazil

    Canada

    Chile

    China

    Czechia

    Denmark

    Egypt

    France

    Germany

    Greece

    Guatemala

    Hungary

    Office Locations

    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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