Power System Engineer

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.

Responsibilities

• Develop and review medium-voltage and low-voltage electrical system designs.
• Prepare single-line diagrams, three-line diagrams, schematics, wiring diagrams, equipment layouts, cable schedules, and interconnection drawings.
• Develop protective relay philosophies, protection schemes, relay element selections, and preliminary relay settings.
• Review relay logic, AC and DC control schematics, trip and close circuits, lockout schemes, and communication-assisted protection systems.
• Support relay testing, commissioning, functional testing, and troubleshooting activities.
• Prepare engineering calculations, technical specifications, design criteria, equipment data sheets, and technical reports.
• Evaluate vendor drawings, equipment submittals, and technical proposals for compliance with project requirements.
• Coordinate electrical design interfaces with civil, structural, mechanical, controls, utility, and construction teams.
• Participate in design reviews, field investigations, factory acceptance testing, site acceptance testing, and project commissioning.
• Identify technical risks, design discrepancies, and constructability issues, and develop practical engineering solutions.
• Ensure designs comply with applicable codes, standards, utility requirements, and client specifications.
• Perform power system studies, including:
• Short-circuit analysis
• Load-flow analysis
• Protective device coordination
• Arc-flash hazard analysis
• Motor-starting and voltage-drop studies

Required Qualifications

• Bachelor’s degree in Electrical Engineering from an accredited institution
• Approximately 5-10 years of relevant experience in power system engineering, electrical system design, or protection and control.
• Working knowledge of medium-voltage and low-voltage distribution systems.
• Understanding of protective relay principles and common protection functions, including overcurrent, differential, distance, voltage, frequency, breaker failure, and directional protection.
• Familiarity with electrical equipment ratings, interrupting duties, insulation levels, grounding methods, and protection coordination.
• Ability to interpret single-line diagrams, control schematics, wiring diagrams, relay logic, and equipment drawings.
• Working knowledge of applicable standards and codes, including NEC, IEEE, ANSI, NEMA, NFPA 70E, and relevant utility requirements.
• Experience with power system analysis software such as ETAP, SKM PowerTools, EasyPoweror equivalent.
• Strong technical writing, calculation, documentation, and problem-solving skills.
• Ability to manage multiple technical assignments and communicate effectively with multidisciplinary project teams.

Preferred Qualifications

• Engineer-in-Training certification or Professional Engineer licensure.
• Experience with substations, renewable generation facilities, industrial power systems, or utility interconnections.
• Experience with protective relays manufactured by SEL, GE, Siemens, Beckwith, or equivalent.
• Familiarity with relay settings, sequence-of-events records, oscillography, fault records, and event analysis.
• Experience with AutoCAD, MicroStation, or similar design software.
• Experience supporting field commissioning, relay testing, equipment energization, or troubleshooting.
• Knowledge of medium-voltage switchgear, transformers, generators, inverters, UPS systems, batteries, and DC control systems.