Power System Engineer

Mangan Inc.; Long Beach (CA); On-site; USD 90,000 - 140,000; Full time

Job summary

Mangan Inc. is seeking a Mid-Level Power Engineer to support planning, design, and delivery of HV AIS and transmission line projects from 69 kV to 500 kV. You will perform detailed electrical engineering calculations, coordinate with civil/structural teams, and prepare IFC packages through the full project lifecycle.

The role requires a B.S. in Electrical Engineering, EIT, 8–15 years of substation or transmission line experience, and ability to obtain PE licensure within 6–12 months.

Qualifications

• B.S. degree in Electrical Engineering (Power emphasis preferred).
• EIT required; PE licensure or ability to obtain within 6–12 months strongly preferred.
• 8-15 years of experience in substation or transmission line engineering.
• Experience preparing 30%/60%/90% design packages, IFC drawings, and construction support RFI responses.
• Experience reviewing vendor submittals (breakers, transformers, CVTs/PTs/CTs, bus supports, arresters, insulators).
• Experience coordinating with civil and structural teams on foundations, steel, cable trenching, grading, and access roads.
• Experience participating in FAT, SAT, commissioning, energization support, and field issue resolution.

Responsibilities

• Prepare equipment specifications, review vendor drawings, grounding studies, conductor sizing, clearance checks, and coordination with field engineers during energization, FAT/SAT and commissioning.
• Support multi-discipline coordination (civil, structural, SCADA, protection, relay settings, and project management) to ensure compliance with NESC, IEEE, NFPA 850, NEC, NERC/WECC, and utility standards.
• Develop basis-of-design documents, calculation packages, and technical reports; mentor junior engineers or designers.

Skills

Power systems

HV substations

Electrical design

Project coordination

Education

B.S. Electrical Engineering (Power)

EIT

PE licensure within 6–12 months

Tools

PLS-CADD

PLS-Pole

Job description

Mangan Inc. is, an Automation & Engineering Firm, provides the highest quality services for the Refining, Gas & Oil, Pipeline, Utility Power, Renewable, Chemical, and Biopharm Industries. Mangan has over 30 years of experience in Engineering, Procurement and Construction with 15+ years of experience in Lifesciences Engineering and Compliance Consulting. We are customer-centric and fully committed to our clients’ needs and as a result, most of our business is repeat business. We are an employee-owned company with opportunities for growth.

The Mid-Level Power Engineer supports the planning, design, and delivery of high-voltage (HV) air-insulated substations (AIS) and transmission line (T-Line) projects ranging from 69 kV to 500 kV. This role performs detailed electrical engineering, calculations, physical/structural coordination, protection & controls design support, and prepares engineering deliverables through the full project lifecycle—conceptual design, 30/60/90% design, IFA/IFC packages, procurement, and construction support. The engineer works in a multi-discipline environment (civil, structural, SCADA, protection, relay settings, and project management) and ensures designs comply with NESC, IEEE, NFPA 850, NEC, NERC/WECC, and utility-specific standards. Responsibilities include preparing equipment specifications, reviewing vendor drawings, grounding studies, conductor sizing, clearance checks, PLS-CADD/PLS-Pole coordination, and supporting field engineers during energization, FAT/SAT, and commissioning.

Qualifications & Requirements

• B.S. degree in Electrical Engineering (Power emphasis preferred).
• EIT required; PE licensure or ability to obtain within 6–12 months strongly preferred.
• 8-15 years of experience in substation or transmission line engineering
• Experience preparing 30%/60%/90% design packages, IFC drawings, and construction support RFI responses.
• Experience reviewing vendor submittals (breakers, transformers, CVTs/PTs/CTs, bus supports, arresters, insulators).
• Experience coordinating with civil and structural teams on foundations, steel, cable trenching, grading, and access roads.
• Experience participating in FAT, SAT, commissioning, energization support, and field issue resolution.

Software Proficiency

Soft Skills & Project Execution

• Strong understanding of engineering workflow, QA/QC processes, and change-management.
• Ability to manage deadlines and prioritize multiple deliverables.
• Strong communication skills for interaction with clients, EPC contractors, manufacturers, and internal engineering disciplines.
• Ability to prepare calculation packages, basis-of-design documents, and technical reports.
• Able to work independently while mentoring junior engineers or designers.