Senior Administrative Assistant — HR & Operations Support

Mercy St. Louis; Tishomingo (OK); On-site; USD 32,000 - 42,000; Full time

Benefits offered by this job

Medical, dental, and vision coverage

Paid time off

Tuition assistance

Retirement plan with employer match

Job summary

Mercy St. Louis seeks an Administrative Assistant III to perform clerical and administrative support under the direction of the Executive Director. Responsibilities include maintaining employee files, handling payroll processes, and ensuring proper unit and office supplies.

The role requires excellent computer skills, proficiency in Microsoft Office, and strong written and verbal communication, plus discretion with confidential information and teamwork.

Qualifications

• High school diploma or equivalent required.
• Minimum 3–5 years of secretarial/clerical experience.
• Excellent written and oral communication skills.
• Ability to handle confidential information with discretion.

Responsibilities

• Provide clerical and administrative support under the Executive Director.
• Maintain employee files and assist with payroll
• Assist with HR management tasks and office supplies
• Interact with employees and other departments as part of a team
• Ensure timely completion of tasks within scope of knowledge and skills

Skills

Communication skills

Attention to detail

Confidential information handling

Education

High school diploma or equivalent

Tools

Microsoft Office

Job description

Mercy St. Louis seeks an Administrative Assistant III to perform clerical and administrative support under the direction of the Executive Director. Responsibilities include maintaining employee files, handling payroll processes, and ensuring proper unit and office supplies.

The role requires excellent computer skills, proficiency in Microsoft Office, and strong written and verbal communication, plus discretion with confidential information and teamwork.