Find & Apply For Mechanical Engineer Jobs in Spencer, Indiana

About Keystone Power Inc Keystone Power Inc is an electric transmission and distribution engineering, project management, and construction management company headquartered in Martinsville, Indiana. Founded in 2025, Keystone Power partners with utility clients to deliver engineering design and oversight, project management, and construction management across substation and T&D projects. Our team brings deep utility industry experience — including leaders with decades of substation, protection & controls, and SCADA expertise — and a hands-on, partner-focused approach to delivering reliable power infrastructure.

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https://www.linkedin.com/company/keystone-power-inc Position Summary Keystone Power Inc is seeking a Protection & Controls Design Engineer for high-voltage substation projects ranging from 12 kV through 500 kV. This is an experienced, highly technical role — not an entry-level position. The successful candidate will independently execute complex P&C design packages, perform quality reviews of design deliverables, and collaborate directly with utility clients through design, construction, and commissioning.

Note:

this role focuses on P&C design and does not include protection settings development. A working understanding of protection settings and coordination principles is needed to inform the design, with settings work handled by others. Key Responsibilities Perform protection & controls design from conceptual/scope phase through detailed design, construction, and commissioning Produce P&C deliverables: relay/protection one-lines, three-line AC schematics, DC elementary and protection schematics, control building and panel arrangements, wiring diagrams, cable/conduit schedules, and bills of material Perform supporting calculations: voltage drop, CT burden and saturation, grounding, AC/DC load studies Perform quality reviews of P&C design packages Support development of testing and commissioning plans Provide field support during installation, testing, and energization Coordinate with SCADA, substation physical, telecom, and civil/structural disciplines Ensure compliance with

NESC, NERC PRC

standards (including

PRC-006, PRC-023, PRC-025, PRC-027

), and client/utility-specific standards Support development of project scopes, conceptual designs, and engineering cost estimates Apply a working understanding of protection settings and coordination principles (short-circuit studies, CT performance and ratio selection, relay coordination concepts) to inform P&C designs; coordinate with settings engineers as needed Apply protection concepts for power buses, transformers/autotransformers, HV/MV breakers, capacitor banks, reactors, transmission lines, distribution feeders, and renewable collector substations Required Qualifications Bachelor's degree in Electrical Engineering from an ABET-accredited program (Master's degree may substitute for one year of experience) 7+ years of substation protection & controls design experience (12 kV-500 kV systems) Professional Engineer (PE) license required, or in active pursuit with ability to obtain within 12 months Demonstrated ability to independently execute complex P&C designs with minimal supervision Strong working knowledge of

NERC PRC

standards, IEEE/ANSI standards, and

IEC 61850

(GOOSE, MMS) Excellent written and verbal communication skills Willingness to travel to project and client sites (approximately 10-25%) Preferred Qualifications Utility consulting experience with multiple utility clients Field testing and commissioning experience (relay testing, factory acceptance testing) Familiarity with DNP3, Modbus, and SEL communications protocols Experience developing design standards and application guides Experience with

ASPEN OneLiner, CAPE, ETAP, SKM, or CYME Pay:

$125,000.00 - $175,000.00 per year

Benefits:

Paid time off

Work Location:

Hybrid remote in Spencer, IN 47460