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Senior Electrical Designer

McDermott

Houston, TX · Posted October 1, 2026

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AI use among electrical and electronics drafters is little observed so far. Measured exposure for electrical and electronics drafters: 9% (little observed).

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  • Excel
  • Autocad

About the job

Job Overview:

Perform electrical design/drafting for oil and gas, and petrochemical projects. Design and prepare project deliverables for power generation systems, substations, power distribution systems, lighting & grounding systems, and other engineering systems as required by each project. Provide support for engineering and construction as required.

Key Tasks and Responsibilities:

Prepare key project deliverables, including (but not limited to) the following : Block Diagrams

Area Classification Drawings

One-line diagrams

Motor control schematics

Lighting Layout Drawings

Cable tray drawings

Cable sizing calculations

Conduit & cable schedules

AG/UG power drawings

Prepare bills of material and perform MTO of electrical items (cables, lights, tray, glands)

Support Project Development and Coordination, including (but not limited to) the following: Maintain and promote a focus on McDermott’s end-product throughout engineering, fabrication or construction

Report to and coordinate with electrical engineering project lead and electrical task lead, as applicable

Effectively communicate with electrical design lead and project electrical designers and engineers

Recognize and manage change with full awareness of project impact, keeping lead designer informed

Assume responsibility for deliverables/activities to which are assigned

Mentor and support the activities of less experienced designers

Provide Site Support, including (but not limited to) the following: Provide off-site and/or on-site design/drafting support for construction

Coordinate with home office staff to resolve issues as required

Maintain drawing as-builts, redlines, and support RFI efforts as required

Essential Qualifications and Education:

Minimum 5 years of detailed electrical design experience

Heavy experience working with modeling and Smartplant software (PDS or S3D, SPE) and Field Installations; Superuser / administrator level experienced with project & database setup

Experience with domestic and/or international electrical codes and standards

Work history weighted towards chemicals / gas processing / refinery

Knowledge of tray/conduit fill calcs. Understanding of NEC/NFPA

Heavy experience using AutoCad

Technical knowledge of the electrical detailed design/drafting process

Experience using MS Office Suite including Excel and Word

Preferred Qualifications and Education:

Prefer experience as the Lead Designer on at least one (1) mid to large size project ($500 Million +)

Prefer experience with multiple office project execution (MOPEX)

Prefer experience at site during the construction and commissioning phases

Prefer experience with Aveva Electrical/Unified Engineering in addition to Smart Plant Electrical (SPEL)

Prefer experience with Aveva E3D modeling software in addition to S3D

Prefer Associate in Applied Science (AAS) degree

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