Staff Project Engineer – Grid Scale
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Job Description
Staff Project Engineer leading grid-scale power-system design and commissioning. Mainspring manufactures fuel-flexible, low-emissions local power solutions.
Responsibilities:
- Lead the technical definition and direction of assigned grid-scale projects, including site layouts, single-line diagrams, equipment selection, controls, communications, network security, protection, metering, grounding, code compliance, fuel systems, and safety systems
- Serve as technical integrator across electrical, mechanical, civil, controls, fuel, and utility scopes
- Coordinate designs, value engineering, interface reviews, project managers, development, procurement, and stakeholders within timelines and budgets
- Support interconnection applications, studies, agreements, and technical data requirements
- Define plant service and protection schemes for large-load and data center sites, including islanding, load-following, and transfer schemes
- Specify medium-voltage and plant interconnection equipment, fuel equipment, EPC scopes, design standards, sequences of operation, and testing procedures
- Work with clients and engineering partners to translate requirements into plan sets and close design, performance, scope, and responsibility gaps
- Answer RFIs, approve submittals, review designs, and approve design variances
- Conduct engineering reviews of site assessments, inspections, and power system studies
- Ensure controls and protection settings meet utility, ISO/RTO, IEEE, NERC, and FERC requirements
- Monitor changes to grid codes, utility handbooks, and industry standards and compile compliance risks
- Support permitting for large facilities
- Lead final grid code compliance demonstrations, relay checkout, commissioning, energization, witness testing, metering checkout, utility acceptance testing, and final Permission to Operate
- Develop improvement initiatives using Lean or similar methods
- Document execution challenges and create training and instructional materials
- Travel to project sites at varying stages based on availability
Requirements:
- B.S. degree in Electrical Engineering or related discipline; power systems emphasis preferred; Mechanical, Systems, Controls, or Mechatronics considered
- Technical degree and equivalent experience may be substituted
- 8+ years of relevant experience as a project engineer or power systems engineer
- At least 2–5 years in a direct contributing role on grid-scale generation or storage projects
- Experience with technologies including solar PV, central inverters, battery energy storage systems, modular generation packages, microturbines, reciprocating engines/gensets, large fuel cells, cogen/CHP, plant controllers/DERMS, or virtual power plants
- Experience with project management, medium-voltage (5 kV+) distribution and protection system design, SCADA/PPC/EMS, technical drawings and construction plan sets, and electrical system troubleshooting
- Familiarity with construction processes, sequencing, and contractor management for large generation sites
- Ability to review, cross-reference, and approve multidisciplinary EPC design packages
- Knowledge of NEC, NESC, IEEE 1547/2800 and C37 series, UL 1741, utility interconnection handbooks, regional grid codes, and power system equipment practices
- Working knowledge of FERC interconnection requirements and NERC reliability standards
- Understanding of medium-voltage protection functions, utility-grade protective relays such as SEL, revenue metering, and point-of-interconnection design
- Ability to interpret power system studies, including load flow, short circuit, coordination, arc flash, power quality, and dynamic/ride-through studies, using ETAP, SKM, CYME, or PSS/E
- Familiarity with SCADA systems, power plant controllers, and industrial network protocols/devices including DNP3, Modbus, and IEC 61850
- Excellent decision-making, communication, time-management, documentation, and organizational skills
- Self-directed, with an ownership mindset and enthusiasm for building processes within a growing team
Benefits:
- Pre-IPO stock options
- Benefits
- Salary adjusted to reflect local market conditions based on employee location and experience
- Opportunities to increase pay over time based on development of additional skills, competencies, and company-specific knowledge
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