Cactus Wellhead - Human Resources Administrative Assistant

Cactus Wellhead; Odessa (TX); On-site; USD 42,000 - 62,000; Full time

Job summary

Cactus Companies in Odessa, TX is seeking an on-site HR Administrator to provide day-to-day administrative and operational HR support across branches.

You will manage employee lifecycle activities, onboarding, HRIS data entry (UKG), benefits support, and respond to associate inquiries while partnering with HR leadership to ensure a consistent employee experience.

Qualifications

• High school diploma or equivalent; associate degree preferred.
• Three or more years of administrative HR experience.
• Experience with HRIS or employee management systems preferred.
• HR certification preferred; valid driver's license may be required for travel.

Responsibilities

• Provides day-to-day HR administrative and operational support to assigned branch locations.
• Handles employee lifecycle activities including onboarding, changes, and terminations.
• Performs HRIS data entry and documentation for HR Business Partner support.
• Partners with Recruiting and Shared Services to coordinate pre-employment activities.
• Assists with benefits enrollment, inquiries, and open enrollment coordination.
• Supports HR audits, reporting, and record maintenance; maintains confidentiality.
• Coordinates branch HR communications and employee engagement activities.

Skills

HRIS experience

Bilingual English/Spanish

Microsoft Office

Education

High school diploma or equivalent

Associate degree preferred

HR-related certification preferred

Tools

HRIS systems

Job description

Job Details

Posting Details

• Posted on September 25, 2026

Locations

• Location: Odessa, TX, USA (CW - Odessa)
• On-site
• Human Resources
• Full-Time
• Requisition #: CACTU002680
• Supervisor: Katrina Montoya

Description

This is a Cactus Wellhead position and is located in Odessa, TX.

Onsite - 5 days

Job Summary: Responsible for providing day-to-day Human Resources administrative and operational support to assigned branch locations. This position supports the employee lifecycle, including pre-employment activities, onboarding, HRIS transactions, benefits support, associate inquiries, and separation processing, while partnering with the HR Business Partner, Recruiting, HR Shared Services, IT, and branch leadership to provide a consistent associate experience.

Essential Functions, Roles, and Responsibilities:

• Complies with all quality, safety, health, and environmental requirements, policies, and procedures relevant to the position.
• Provides administrative support for new hires, employee changes, and terminations, including HRIS data entry and documentation, as needed in support of the HR Business Partner.
• Partners with Recruiting and HR Shared Services to coordinate pre-employment activities and ensure a smooth transition from candidate acceptance through onboarding.
• Coordinates and leads first-day onboarding for new associates, including completion of required new-hire documentation and Cactus U orientation.
• Assists new associates with initial access to HR and company systems, including UKG, Cactus U, Gensuite, SharePoint, and other applicable Cactus applications.
• Serves as a first point of contact for routine associate questions and directs associates to the appropriate HR, Benefits, Payroll, Recruiting, or Shared Services resource when needed.
• Provides general benefits support, including assistance with enrollment and qualifying life event questions, and partners with the Benefits team on more complex matters.
• Supports annual Open Enrollment activities in coordination with the Shared Services Benefits team.
• Creates and distributes SSE training logbooks, T-shirts, and other materials supporting the SSE program.
• Coordinates branch HR communications, associate events, and other employee engagement activities as needed.
• Assists associates with basic password and access issues and partners with IT to submit and coordinate IT support requests when necessary.
• Participates in required Safety rotation meetings for both day and night shifts.
• Maintains the confidentiality and security of employee records, HR data, and sensitive business information.
• Supports HR audits, reporting, document collection, and record maintenance as requested by the HR Business Partner.
• Performs special projects and other HR-related duties as assigned.

TRAVEL REQUIREMENTS: Regular weekly travel to the Hobbs, New Mexico location is required to provide on-site HR administrative support. Additional travel to other company locations may be required based on business needs.

Education, Training, Experience:

• High school diploma or equivalent required; associate degree or certificate in Human Resources, Business Administration, Office Administration, or a related field preferred.
• Three (3) or more years of administrative experience, preferably in a Human Resources environment.
• Experience with an HRIS or employee management system preferred.

CERTIFICATIONS, LICENSES, REGISTRATIONS:

• Human Resources certification preferred.
• Valid driver's license and acceptable Motor Vehicle Record (MVR) required due to regular travel between company locations.

Job Knowledge, Skills, Abilities:

• Working knowledge of Human Resources practices and the employee lifecycle.
• Strong organizational skills with the ability to manage multiple priorities and meet deadlines.
• Strong attention to detail and accuracy when processing employee information and maintaining HR records.
• Ability to communicate professionally and effectively with associates, managers, and business partners at all levels of the organization.
• Ability to exercise sound judgment, discretion, and a high degree of confidentiality when handling employee and business information.
• Ability to work independently while effectively partnering with HR team members and branch leadership.
• Proficiency with Microsoft Office applications and the ability to learn and navigate HRIS and other business systems.
• Strong customer service orientation and ability to respond to associate questions in a timely and professional manner.
• Bilingual English/Spanish required.

Supervisory Responsibilities: None

Disclaimer: This job description is not designed to cover or contain a comprehensive listing of activities, duties, or responsibilities required of the employee for this position. Duties, responsibilities, and activities may change at any time with or without notice.

Cactus Companies is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, age, national origin, disability, veteran status, genetic information, or any other characteristic protected by law.

Safety is our top priority. All employees must comply with our comprehensive safety programs, participate in required safety training, and demonstrate commitment to our safety-first culture. This position may require working in potentially hazardous environments if you are traveling to a branch or plant location. Ensure that you follow all safety guidelines that are required when working in the field, branch or manufacturing facility.

This position generally operates in a professional office environment. The role routinely uses standard office equipment such as computers, phones, photocopiers, and filing cabinets. While performing the duties of this job, the employee is regularly required to:

• Sit for extended periods at a desk and work on a computer
• Use hands to finger, handle, or feel objects, tools, or controls
• Reach with hands and arms
• Talk and hear
• Occasionally lift and/or move up to 25 pounds
• Walk or stand periodically throughout the day
• Maintain sustained concentration on computer screens
• Work under deadlines with frequent interruptions

The noise level in the work environment is usually moderate. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

Cactus Companies maintains a drug-free workplace and participates in E-Verify.

Equal Opportunity Employer
This employer is required to notify all applicants of their rights pursuant to federal employment laws. For further information, please review the Know Your Rights notice from the Department of Labor.