About this role

Company Description

Mission Critical Group (MCG) is an end-to-end power solutions and services provider that accelerates time-to-power and delivers scalable, resilient infrastructure for mission critical environments. By integrating engineering, manufacturing, modular deployment, and lifecycle services under one platform, we streamline execution and bring complex projects online faster - without compromising performance. With a robust U.S. manufacturing network, MCG supports data centers, power generation, healthcare, oil & gas, pharmaceuticals, semiconductors, and industrial facilities where uptime is non-negotiable. Mission Critical Group designs, manufactures and provides value-added services for customers requiring critical power solutions. Powering a new electric world for a brighter, more secure future.

Job Description

The overall objective of the Human Resources Coordinator is to perform all necessary human resource functions from applicant tracking through employee termination. Maintain accurate and current employee files. Handle benefits administration. Process payroll. Work with safety director on workers’ compensation and safety records. Act as an administrative assistant to the Human Resources Manager

 

Accountabilities

  • The key responsibilities of this position include:
  • Perform all necessary human resource functions from applicant tracking through employee termination.
  • Maintain accurate and current employee files.
  • Handle benefits administration including invoice payment, enrollments, updates, claim assistance with employees and general employee assistance.
  • Process payroll.
  • Act as an administrative assistant to the Human Resources Manager
  • Other duties include maintaining the vehicle gas card system, balance checkbooks, maintain, and other related duties
  • Perform other duties as assigned

Qualifications

Required Knowledge / Experience

  • 3-5 years experience will all aspects of human resources including benefits administration, employee relations, payroll, recruiting, and regulatory compliance activities
  • Intrapersonal Skills: Outgoing personality. Organized. Detail oriented. Must be able to professionally handle all types of sensitive and confidential information.
  • Technical Experience: Working knowledge of Word and Excel/ spreadsheets. Quick learner on any type of technology.

Preferred

  • Bachelor’s degree in a business-related field.
  • Human Resources certifications (PHR or SPHR).

Education

  • High school degree/ GED

Work Environment and Physical Demands

  • FLSA non-exempt positions paid on an hourly basis, where project requirements and tight client deadlines may require workweeks over forty (40) hours (including weekends or holidays)  
  • This role will work in an office setting; however, frequent visits to the production floor are required to oversee operations, ensure compliance and safety standards, and engage staff. 
    • Mobility: Ability to move around the manufacturing plant, including walking, standing, and climbing stairs. 
    • Manual Dexterity: Occasional use of hands to handle or feel objects, tools, or controls. 
    • Lifting: Ability to lift and carry items up to twenty-five (25) pounds. All lifting should be done following OSHA standards. 
    • Visual and Auditory Requirements: Must be able to see and hear well enough to navigate the plant safely and communicate effectively with team members.

Additional Information

A Note to our Recruitment Partners: We really appreciate the interest, but MCG currently manages hiring through our internal team. We love getting to know our candidates directly! Because of this, we don’t accept unsolicited resumes from agencies at this time. If we ever need an extra hand, we’ll be sure to reach out to the community. Thanks for understanding!

Mission Critical Group is an equal opportunity employer, and the Company complies with all applicable federal, state, and local fair employment laws. Mission Critical Group strictly prohibits and does not tolerate discrimination against employees, applicants, or any other covered persons based on race, color, religion, creed, ancestry, sex, gender, national origin, age, disability, medical condition, marital status, veteran or military status, gender identity, gender expression, sexual orientation, pregnancy child birth, breastfeeding or related medical conditions, genetic information, or any other characteristic protected by applicable federal, state, and local law (“Protected Categories”).

Frequently Asked Questions

Is the salary disclosed for the Human Resources Coordinator position at missioncriticalgroup?
The salary for this Human Resources Coordinator role at missioncriticalgroup is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Human Resources Coordinator position at missioncriticalgroup located?
This Human Resources Coordinator role at missioncriticalgroup is based in Bay Saint Louis, Bay Saint Louis, Mississippi, United States, Mississippi, us. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Human Resources Coordinator role at missioncriticalgroup full-time or part-time?
This is listed as a Full time position. It is posted as a Human Resources Coordinator role in the Human Resources department at missioncriticalgroup.
Which team or department does the Human Resources Coordinator at missioncriticalgroup belong to?
This Human Resources Coordinator position is part of the Human Resources department at missioncriticalgroup. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Human Resources Coordinator position at missioncriticalgroup?
Click the "Apply Now" button on this page. You will be redirected to missioncriticalgroup's official application portal hosted on smartrecruiters where you can submit your application directly.
When was the Human Resources Coordinator job at missioncriticalgroup posted?
This Human Resources Coordinator position at missioncriticalgroup was posted on Jun 9, 2026. Apply as soon as possible — early applications are often reviewed first.
Human Resources Coordinator
missioncriticalgroup
Apply for this role ↗

You'll be redirected to missioncriticalgroup's official application page on SmartRecruiters.