Under limited supervision, creates basic to highly complex instrumentation, controls and related systems designs using 3D and 4D drafting programs. Develops basic technical memoranda related to design issues for clients. Prepares preliminary design reports (PDRs) under supervision. Reviews basic to highly complex component level shop drawings. Provides responses to requests for information (RFIs) under supervision. Performs field acceptance testing (FATs) and field inspections. Under limited supervision, creates basic to highly complex human-machine interface (HMI) designs, programmable logic controllers (PLC), reports, etc. Prepares level of effort estimates (LOEs). Leads testing and startup team for basic to moderately complex instrumentation, controls and related systems independently with minimal supervision. Responsible for testing and startup documentation completion and quality assurance filing. Assists with the development of basic to moderately complex operations & Maintenance manuals for designed instrumentation, controls and related systems. Under minimal supervision, develops systems training for end users. Leads teams and provides direction and mentoring for junior staff. Reviews the work of junior staff as necessary. Performs other duties as required. Assists with proposal development and presentation.