Senior High Voltage Engineer

LYDIAN ENERGY LLC; United States; Remote; USD 150,000 - 210,000; Full time

Job summary

Lydian Energy is seeking a Senior High Voltage Engineer to lead HV system design, specifications, and validation for PV and BESS projects nationwide in the United States.

The role focuses on 34.5kV to 800kV systems, ensuring technical compliance, and collaborating with cross-functional teams to deliver safe, reliable HV solutions. Strong leadership and EPC coordination are essential.

Qualifications

• 5+ years of experience as electrical/power systems engineer.
• HV equipment experience 115 kV–345 kV+, 5+ years; design, testing, commissioning.
• PV or energy storage controls experience 3+ years; protection and control design.
• Experience with interconnection applications and upgrades.
• Experience commissioning HV substations.
• Experience with SCADA or similar control systems.

Responsibilities

• Develop, coordinate and review designs and technical standards for utility-scale solar and BESS projects.
• Manage engineering service providers and consultants to meet project goals.
• Finalize EPC contract exhibits and technical specifications with stakeholders.
• Provide technical support during design, construction, and commissioning phases.
• Support client proposals, EPC contracts, and equipment procurement documents.
• Lead commissioning readiness and energization for HV systems.
• Ensure HV QA/QC across design, construction, and commissioning.

Skills

HV systems design

Project management

Cross-functional collaboration

Leadership

Strong communication

Education

BSc in electrical engineering

PE license (preferred)

Tools

AutoCAD

Job description

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Senior High Voltage Engineer

Remote - Nationwide, Remote, US

About Lydian Energy

Lydian is an established energy development company specializing in the development and construction of utility-scale solar and battery energy storage system (BESS) projects in North America. Lydian owns 14 assets in development, construction or under operation, consisting of both solar and storage, which reached or are expected to reach FNTP from 2024-2028.

Lydian is backed by Excelsior Energy Capital (“EEC”), a leading private equity fund manager with more than $1.5B in assets under management, that is exclusively focused on north American middle market renewables investing. Lydian’s relationship with EEC provides several critical advantages, including access to (i) a specialized team of value-add investor-operators with decades of renewables development, construction, and transaction experience and (ii) committed discretionary equity capital, strong relationships with debt and tax equity investors, and deep experience structuring tax equity and project financings.

Lydian has built a team of seasoned, passionate energy infrastructure professionals with deep expertise in project development, construction, financing, and M&A. This is an opportunity to join a fully capitalized development platform that is running at full capacity, but still at an early-enough stage for you to have a real impact on company culture and commercial outcomes.

Job Scope

As a Senior High Voltage Engineer , you demonstrate the perfect combination of technical expertise and project management savvy. The Senior High Voltage Engineer is responsible for the design review , equipment specification, and validation of high voltage systems and components, typically ranging from 34.5kV to 800kV, used in BESS and PV systems collector substation as well as any self-built HV utility switchyard. This role involves ensuring technical compliance with standards, optimizing system performance, and collaborating with cross-functional teams to deliver safe, reliable, and efficient high voltage solutions.

Responsibilities

You are responsible for the development, coordination and review of designs and technical standards for utility scale solar and BESS projects, managing engineering service providers to achieve this goal.

• Working with Project PM to finalize the EPC contract and the technical exhibits.
• Manage the work of engineering services providers and consultants.
• Establish, maintain and improve technical specifications for Company facilities and equipment.
• Provide technical support and supervision for the design and construction phases of the project, including value added engineering consistent with the required project specifications and requirements.
• Provide technical support for the review/preparation of client proposals and EPC/equipment RFP packages.
• Participate in the evaluation and selection of EPC and main equipment suppliers.
• Participate in the preparation, review, and negotiations of the technical exhibits for project sales, equipment procurement and EPC contracting agreements.
• Provide engineering and QA/QC support to the project management team during project construction and commissioning.
• Provide technical support for interconnection in collaboration with transmission engineering team.
• Provide technical direction during startup, testing and commissioning and performance monitoring.
• Refine procedures for the interface between development and engineering as well as between project managers and engineering.
• Communicate and influence cross-functionally within Company.
• Responsible for consultant scopes and associated costs
• Interfaces with third-party engineering service providers, and subcontractors
• Specify and Select appropriate materials and components (e.g., cables, connectors, bushings, relays, circuit breakers, MPT, MVT ) for high voltage applications.
• Review and approve substations, switchyards, and HV collection systems (34.5kV–345kV+)
• Own protection schemes, relay coordination, grounding, and insulation strategy
• Define and enforce clear HV scope in EPC contracts and technical exhibits
• Hold EPC, OEM, and consultants accountable for HV deliverables
• Lead commissioning readiness and energization for all HV systems
• Own protection testing, relay validation, and SCADA integration
• Ensure compliance with utility and interconnection requirements
• Support transmission and interconnection teams with HV technical inputs
• Establish and enforce HV QA/QC plan across design, construction, and commissioning
• Identify and close scope gaps between EPC, OEM, and subcontractors

Qualifications

• Experience as an electrical, power systems engineer or equivalent: 5+ years
• Experience with HV equipment 115KV-345KV+ 5+ years
  • Design ,testing and commissioning experience
• Familiarity with PV or energy storage related controls: 3+ year(s)
  • System protection and control design
  • Expertise in model-based systems/controls engineering
  • Expertise in closed-loop control algorithms.
  • Strong familiarity with power generation and/or grid level control systems.
• Enthusiasm for getting things done, taking personal responsibility, adding value within a team setting, and ability to work with minimal supervision.
• Experience commissioning of HV substation
• Experience in Energy Management System SCADA or other types of control systems
• Experience in product HV equipment FAT testing ands report assessment
• Experience with AutoCAD to develop single line, 2-D Electrical
• Experience with interconnection applications upgrade requirements
• BSC in electrical engineering , PE is Plus
• 7+ years’ experience in HV systems (substations, protection, commissioning)
• Proven track record leading energization and commissioning
• Strong EPC and OEM coordination experience
• IPP background preferred
• Proven leadership presence, with experience representing an organization's engineering position in external technical discussions with clients, EPC contractors, and utility partners
• Professional Engineer (PE) preferred

We are committed to equal-employment principles and are dedicated to diversity and the strength it brings to the workplace. All qualified applicants will receive consideration for employment without regard to age, race, color, national origin, gender (including pregnancy, childbirth or medical condition related to pregnancy or childbirth), gender identity or expression, religion, physical or mental disability, medical condition, legally protected genetic information, marital status, veteran status, military status, sexual orientation or any other protected category or class that may be applicable.