Principal Engineer I&C SRS- Aiken, SC

Current job opportunities are posted here as they become available.

OLH Inc. was founded in 1993 to offer comprehensive, specialized Project, Program, and Construction Management services. We are a Certified Woman Owned Small Business (WOSB), recognized for our ability to consistently deliver quality service on projects that are completed on schedule and within budget.

We recruit and hire the brightest minds to join our team of outstanding professionals in many disciplines and specialties. If you are interested and qualified for this career opportunity, we look forward to reviewing your application and hope to have the opportunity to speak with you soon! For more information about OLH and our guiding principles, visit our corporate website at

Deadline: 9-23-2026 (All official documents must be completed and returned before the deadline for candidate consideration.)

Duration: 1 Year with two (2) 1 Year Renewal Option

Two (2) Position Available

US Citizenship Required

Define scope of technical programs and develop effective, quality solutions to challenges which involve unique or controversial problems. Creatively meet all company and industry requirements and apply site systems to achieve quality, timely and cost-effective results.

• Give quality guidance and assistance to less senior professionals on related tasks.
• Apply technical experience in field of specialization or broad-based experience in multiple technical fields, to resolve complex problems.
• Incorporate advanced technical practices and a variety of complex features such as complicated technical requirements, application of new or special materials or processes and difficult coordination or oversight requirements into problem solving and program planning.
• Provide leadership in determining solutions to complex problems and be recognized as having expertise in a functional area(s) of technical expertise.
• Provide direction and position responsibility both inside and outside department lines on programs seeking new approaches to problems and new application of existing engineering or scientific principles.
• Evaluate the results of programs and prepares reports and recommendations based on these evaluations.
• Identify and recommend improvements where established technology components and methodology are inadequate for solution.
• Keep informed of the advancement of technology as applied through one's area of technology.
• Prepare plans including schedules, budgets and personnel requirements for solving technical tasks identified by management.
• Develop schedules, monitor progress, monitor expenditures of budget and review quality of work performed.
• Communicate results and objectives verbally and in manuscripts form to customers colleagues and management.
• Occasionally prepare reports for external publication.
• Enhance expertise in field through leadership in local technical societies.
• Demonstrate creative ability through medium of patent disclosures, problem solving, engineering reports, technical papers and articles.

Provide design engineering staff augmentation support to SRNS. Primary responsibilities include engineering analysis, walkdowns, design development and generation of design output documents including but not limited to: P&IDs;
Control Logics;
Loop Diagrams;
Instrument Indices;
Setpoint Lists;
Instrument and Control Valve Specifications; DCS and PLC Design;
Instrument Location and Installation Design;
Panel Layouts; and Vendor Document Review. Engineering services shall be provided using SRNS processes and procedures. Programmatic guidance will be provided by SRNS.

A 40-hour work week is scheduled. SRNS utilizes various work schedules…