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.