Top 144 Project intern Jobs in O'fallon Mo

Director, Employee Relations
Mastercard —O'Fallon, MO
- $146,000 - $269,000 a year
- Online Application
- Analysis skills
- Project management
- Organizational skills
- Paid jury duty
- Health savings account
8d
Lead Project Manager
Mastercard —O'Fallon, MO
- $113,000 - $186,000 a year
- Online Application
- Office
- Analysis skills
- Human resources
- Paid jury duty
- Health savings account
Director, Project Management (AI)
Mastercard —O'Fallon, MO
- $143,000 - $236,000 a year
- Online Application
- Senior level
- Leadership
- Communication skills
- Paid jury duty
- Health savings account
Data & Evaluation Intern- Fall 2026
GIRL SCOUTS OF EASTERN MISSOURI INC —St. Louis, MO
- $15 an hour
- Part-time
- Hybrid work
- Office
- Analysis skills
- Data entry
Principal Project Manager
Mastercard —O'Fallon, MO
- $143,000 - $236,000 a year
- Online Application
- Senior level
- Communication skills
- Paid jury duty
- Health savings account
Manager, Product Delivery
Mastercard —O'Fallon, MO
- $106,000 - $201,000 a year
- Online Application
- Bachelor's degree
- Senior level
- Communication skills
- Paid jury duty
- Health savings account
Campus Marketing Intern
Sodexo —Saint Charles, MO
- $15 an hour
- Part-time
- Ability to walk for extended periods
- Cooking
- No experience needed
- Paid holidays
- Health insurance
2027 Project Engineer Summer Intern
KCI Construction —Creve Coeur, MO
- Microsoft Outlook
- Organizational skills
- Internship
Quick Apply
5d
Project Engineer Intern
Midwest Insulation —Maryland Heights, MO
- Monday to Friday
- Microsoft Outlook
- Office
- Analysis skills
- 401(k) matching
- Flexible schedule
Quick Apply
7d
Information Technology (IT) Intern
FeatherShark —Chesterfield, MO
- $18 an hour
- Part-time
- Driver's License
- Driving
- US work authorization
Quick Apply
Senior Analyst, Real Estate Services
Mastercard —O'Fallon, MO
- $88,000 - $141,000 a year
- Online Application
- Mid-level
- Office
- Bachelor's degree
- Paid jury duty
- Health savings account
19h
Fall 2026 Technology Support Intern
RubinBrown LLP —St. Louis, MO
- Part-time
- English
- Ability to lift 50 pounds
- Ability to sit for extended periods
Quick Apply
Intern/Co-op
BFA —Washington, MO
- AutoCAD
- Civil engineering
- Construction site
- Health savings account
- Disability insurance
Director, Services Program Enablement
Mastercard —O'Fallon, MO
- $156,000 - $305,000 a year
- Online Application
- Organizational skills
- Software development
- Senior level
- Paid jury duty
- Health savings account
Area Manager Intern – Summer 2027 (MO, OH, KY)
Amazon.com Services LLC —Saint Peters, MO
- $28.84 an hour
- Weekends as needed
- Customer service
- Ability to climb stairs
- Mentoring
- Employee assistance program
- 401(k) matching
14d
Manager, Product Operations, Interchange Governance
Mastercard —O'Fallon, MO
- $130,000 - $221,000 a year
- Online Application
- Agile
- Senior level
- Communication skills
- Paid jury duty
- Health savings account
Manager, Total Rewards - Immigration Strategy
Mastercard —O'Fallon, MO
- $112,000 - $179,000 a year
- Online Application
- Remote
- 7 years
- US work authorization
- Organizational skills
- Paid jury duty
- Health savings account
13d
Cookie Program Intern- Fall 2026
GIRL SCOUTS OF EASTERN MISSOURI INC —St. Louis, MO
- Part-time
- Office
- Organizational skills
- Training & development
Director, Policy Design – Global Employee Leave & Accommodations
Mastercard —O'Fallon, MO
- $146,000 - $269,000 a year
- Online Application
- Office
- Team management
- Senior level
- Paid jury duty
- Health savings account
Manager, Payroll M&A Integration
Mastercard —O'Fallon, MO
- $112,000 - $179,000 a year
- Online Application
- 7 years
- Oracle
- Organizational skills
- Paid jury duty
- Health savings account

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Director, Employee Relations

Mastercard -
O'Fallon, MO

Apply Now

Job Details

Full-time
$146,000 - $269,000 a year
8 days ago

Benefits

Paid jury duty
Health savings account
Paid holidays
Disability insurance
Health insurance
Dental insurance
Flexible spending account
Tuition reimbursement
Vision insurance
401(k) matching
Gym membership
Bereavement leave
Life insurance

Qualifications

HR policy development
Employee misconduct investigations
Employee grievance management
Anti-discrimination law
Incident report management
Caseload management
Process improvement
Harassment and discrimination prevention compliance
Analysis skills
Project management
HR compliance
Team training
Compliance documentation
Workplace incident investigation
Data interpretation
Organizational skills
Data-driven problem-solving
Management reporting
Investigative reports
International corporation experience
HR business partner employee support
Senior level
Cross-functional collaboration
Employee relations strategy
Cross-functional communication
Equal Employment Opportunity (EEO)

Full Job Description

Our Purpose

Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential.

Title and Summary

Director, Employee Relations

Overview
Mastercard is seeking an experienced Employee Relations professional to join the Global Employee Relations team. In this role, you will partner closely with People Business Partners, Employment Law, Compliance, and business leaders to deliver consistent, compliant employee relations practices aligned with Mastercard values and applicable laws.
The Role

Mastercard is seeking an experienced Employee Relations professional to join the Global Employee Relations team. In this role, you will partner closely with People Business Partners, Employment Law, Compliance, and business leaders to deliver consistent, compliant employee relations practices aligned with Mastercard values and applicable laws.

The Role

Provide expert advice to HR, managers and employees about company policies and processes
Investigate employee relations concerns, including complaints of discrimination, harassment, retaliation and other work-related issues
Prepare investigative documentation, including interview notes and summary of findings
Prepare, track and maintain appropriate investigation and reorganization data and documentation
Use case management system to manage cases from intake to resolution
Provide and manage periodic reporting to relevant senior stakeholders
Ability to establish strong cross-functional relationships at all levels and geographies
Partner with relevant control functions on investigations and outcomes
Develop global guidance documents, materials and training for HR
Develop, drive and deliver employee relations strategies, guidelines and procedures
Partner with internal employment counsel, compliance and HR Business Partners to effectively manage employee relations issues/investigations
Develop and deliver training regarding HR policy and processes for HR, business leaders and employees as needed
Proven project management skills with demonstrated ability to manage global projects
Create insights from data to inform process and improvements to drive a culture consistent with Mastercard values

All About You:

Experience advising on a wide range of employee relations issues
Experience of multi-national, fast-paced organization
Strong knowledge of US employment law and strong investigative skills
Strong analytical and problem-solving skills with ability to organize and analyze data
Excellent interpersonal skills with demonstrated patience, tact, and respect

Mastercard is a merit-based, inclusive, equal opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. We hire the most qualified candidate for the role. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact [email protected] and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly.

Corporate Security Responsibility

All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must:

Abide by Mastercard’s security policies and practices;
Ensure the confidentiality and integrity of the information being accessed;
Report any suspected information security violation or breach, and
Complete all periodic mandatory security trainings in accordance with Mastercard’s guidelines.

In line with Mastercard’s total compensation philosophy and assuming that the job will be performed in the US, the successful candidate will be offered a competitive base salary and may be eligible for an annual bonus or commissions depending on the role. The base salary offered may vary depending on multiple factors, including but not limited to location, job-related knowledge, skills, and experience. Mastercard benefits for full time (and certain part time) employees generally include: insurance (including medical, prescription drug, dental, vision, disability, life insurance); flexible spending account and health savings account; paid leaves (including 16 weeks of new parent leave and up to 20 days of bereavement leave); 80 hours of Paid Sick and Safe Time, 25 days of vacation time and 5 personal days, pro-rated based on date of hire; 10 annual paid U.S. observed holidays; 401k with a best-in-class company match; deferred compensation for eligible roles; fitness reimbursement or on-site fitness facilities; eligibility for tuition reimbursement; and many more. Mastercard benefits for interns generally include: 56 hours of Paid Sick and Safe Time; jury duty leave; and on-site fitness facilities in some locations.

Pay Ranges

Purchase, New York: $168,000 - $269,000 USD

O'Fallon, Missouri: $146,000 - $234,000 USD

Apply Now

Refine Your Search

project intern jobs in o'fallon mo

Director, Employee Relations

Lead Project Manager

Director, Project Management (AI)

Data & Evaluation Intern- Fall 2026

Principal Project Manager

Manager, Product Delivery

Campus Marketing Intern

2027 Project Engineer Summer Intern

Project Engineer Intern

Information Technology (IT) Intern

Senior Analyst, Real Estate Services

Fall 2026 Technology Support Intern

Intern/Co-op

Director, Services Program Enablement

Area Manager Intern – Summer 2027 (MO, OH, KY)

Manager, Product Operations, Interchange Governance

Manager, Total Rewards - Immigration Strategy

Cookie Program Intern- Fall 2026

Director, Policy Design – Global Employee Leave & Accommodations

Manager, Payroll M&A Integration

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