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Senior Mechanical Plant Manager Site O&M Lead

Prismecs


Job Location:

Odessa, TX - USA

Monthly Salary: Not provided by the employer
Experience Required: 5years
Posted: 23 July 2026 (30+ days ago)
Application Deadline: 20 October 2026
Vacancies: 1 Vacancy

Job Summary

Senior Mechanical Plant Manager / Site O&M Lead
Candidates must be currently authorized to work in the United States. PRISMECS is unable to provide visa sponsorship immigration assistance or work-authorization support for these positions. Applicants requiring current or future sponsorship will not be considered.


Location: Odessa Texas near 2501 S. Grandview Ave.
Job Type: Independent Contractor / Project-Based
Project Duration: Approximately 6 months subject to project requirements
Expected Start Date: August 1 2026
Openings: 1
Work Arrangement: Onsite


Position Summary

PRISMECS is seeking an experienced Senior Mechanical Plant Manager / Site O&M Lead to oversee the daily operation and maintenance of a temporary diesel power plant project in Odessa Texas.

The successful candidate will provide onsite leadership supervise plant personnel coordinate operational and maintenance activities and ensure the plant operates safely reliably and efficiently. This position requires extensive diesel power plant experience and a strong mechanical maintenance background.

Key Responsibilities
  • Lead daily operations and maintenance activities for the diesel power plant.
  • Supervise mechanical personnel and field operators.
  • Ensure safe reliable and efficient plant operation.
  • Coordinate preventive and corrective maintenance activities.
  • Provide technical leadership during equipment failures and emergency situations.
  • Support troubleshooting of diesel generators and auxiliary mechanical systems.
  • Ensure compliance with HSE policies permit-to-work requirements and company procedures.
  • Serve as the primary onsite contact for the client and PRISMECS management.
  • Prepare and submit daily and weekly operational reports.
  • Plan manpower requirements and coordinate work schedules.
  • Coordinate plant outages spare parts tools and maintenance resources.
  • Monitor team performance and ensure accurate operating and maintenance records.
  • Coordinate with the remote Electrical Lead when electrical or control-system support is required.


Requirements
Required Qualifications
  • Minimum 710 years of experience in diesel engine power plants.
  • Previous experience managing or leading an O&M team.
  • Strong mechanical maintenance and diesel-engine troubleshooting experience.
  • Strong knowledge of diesel generators and balance-of-plant equipment.
  • Working knowledge of medium-voltage systems and generator operations.
  • Ability to lead troubleshooting efforts during breakdowns and abnormal operating conditions.
  • Strong leadership communication reporting and organizational skills.
  • Ability to work onsite in Odessa Texas for the project.
  • Must meet the projects applicable work-authorization and site-access requirements.
Preferred Qualifications
  • Previous experience with temporary or mobile power plants.
  • Hands-on experience with Volvo diesel engines.
  • Experience supporting plant commissioning startup or mobilization projects.
  • Previous client-facing experience in an O&M leadership role.
  • Relevant mechanical electrical or engineering education or certification.



Required Skills:

Minimum 710 years of experience in diesel engine power plants. Previous experience managing or leading an O&M team. Strong mechanical maintenance and diesel-engine troubleshooting experience. Strong knowledge of diesel generators and balance-of-plant equipment. Working knowledge of medium-voltage systems and generator operations. Ability to lead troubleshooting efforts during breakdowns and abnormal operating conditions. Strong leadership communication reporting and organizational skills. Ability to work onsite in Odessa Texas for the duration of the project. Must meet the projects applicable work-authorization and site-access requirements.


Required Education:

Minimum 710 years of experience in diesel engine power experience managing or leading an O&M mechanical maintenance and diesel-engine troubleshooting knowledge of diesel generators and balance-of-plant knowledge of medium-voltage systems and generator to lead troubleshooting efforts during breakdowns and abnormal operating leadership communication reporting and organizational