Lead Mechanical Engineer
SI Group
Orangeburg, SC · Posted February 13, 2026
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AI use among mechanical engineers is little observed so far. Measured exposure for mechanical engineers: 8% (little observed).
Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
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About the job
The Role:
As the Lead Mechanical Engineer, reporting to the Sr. Maintenance Manager, you will provide technical and troubleshooting support to solve acute problems and provide continuous improvement solutions to maximize OEE and ensure safety of operations and maintenance.
How You Will Make an Impact:
Daily Maintenance Support
Assess and provides technical and troubleshooting support for needs directly affecting plant operation.
Combine knowledge of mechanical principles, mechanical equipment operation and repair, best practices, and troubleshooting.
Foster teamwork and prioritizes the safety of all involved during the process.
Work collaboratively with vendors, maintenance and operations technicians and their guidance to understand the problem and recommend solutions.
Continuous Improvement Team (CIT) Projects:
Balance daily support needs with continuous improvement.
Work the prioritized list of improvement projects to develop improvement scopes, orders equipment, writes work notifications and MOC's, clearly communicate the needed work scope to maintenance crews, and provides feedback on progress at CIT meetings.
Investigate and recommends new or improved technologies to provide reliable solutions.
Provide technical design as applicable for pumping systems and pressure vessel modifications.
Capital Project Management:
Provide budgetary scopes, project description and works with PICA to understand project justification for the Project Authorization Form (PAF). Routes PAF for approval.
Develop Gantt charts and bid packages, obtains quotes or bids to implement projects, issues and/or approves purchase requisitions, and acts as the construction liaison with SI Group, nested, and non-nested contractors to fully implement project scopes.
Be the construction liaison with SI Group, nested, and non-nested contractors to fully implement project scopes.
Manage project overall cost and escalate for over- or under-run of project.
Update all necessary documentation into database.
On-Call Responsibility:
Provide after hour support for high priority processes one week/month.
Creating Extraordinary Starts With:
BS Degree in Mechanical Engineering, Masters preferred
Minimum of 10 years experience in chemical manufacturing
Knowledgeable of ASME Div 8, API-510, API-653, API-570 Codes
Strong MS-Excel, Word, PowerPoint, Maintenance Connection skills
Experience with software pertaining to fluid flow, pressure vessels, or pipe stress analysis a plus
Essential Solutions with Extraordinary Results
SI Group is a global leader in the innovative technology of performance additives, process solutions, active pharmaceutical ingredients, and chemical intermediates. Our solutions are essential to many diverse industries and applications, creating extraordinary results. We drive value by enhancing the quality, performance, and durability of countless items we use every day.
We are on a journey to captivate our customers at every level. Whether that means expanding our capabilities, global reach, or providing new innovations and technologies that create value. Our approach is customized to exceed customer needs and deliver superior performance.