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Overview

About us:

Founded in 1990, LS Power is a premier development, investment, and operating company focused on the North American power and energy infrastructure sector, with leading platforms across generation, transmission and energy expansion solutions. Since inception, LS Power has developed or acquired 50,000 MW of power generation, including utility-scale solar, wind, hydro, battery energy storage, and natural gas-fired facilities. Through its transmission business, LS Power Grid, the company built and operates 780+ miles of high-voltage transmission and 7 transmission utilities and has another 375+ miles currently in construction or development. LS Power actively invests in and scales businesses that are meeting the growing needs of the energy expansion, including electric vehicle charging, demand response, microgrids, renewable fuels and waste-to-energy platforms. Over the years, LS Power has raised more than $76 billion in debt and equity capital to support North American infrastructure.

Our Purpose, Mission, & Values:

Our Purpose is to solve complex energy problems that improve the world

Our Mission is to make lives better by developing a cleaner and more reliable energy ecosystem

Our Values are the willingness to participate in and help strengthen our culture of integrity, Innovation, Teamwork, and Taking Ownership

Our People create value and are our Most Valuable asset. We take our values of Integrity, Innovation, Teamwork and Taking Ownership seriously and ask candidates to think about how they can help us further enhance our culture with their specific skillsets, capabilities and experiences.

Benefits

We provide our teamthe opportunity to share their unique perspectives, solve new challenges, and continue in their career growth. We are committed to supporting employees’ happiness, healthiness, and overall well-being by providing comprehensive benefits that include 100% employer paid premium healthcare, paid parental leave and more.

Compensation

The salary for this role is $150,000 - $175,000. This is the range that we in good faith anticipate relying on when setting wages for this position. We may ultimately pay more or less than the posted range and this range is only applicable for jobs to be performed in California. This salary range may also be modified in the future.

About the Role:

LS Power is seeking an Engineering Manager, Mechanical (Process) to join System Integration Engineering as a part of our San Diego, CA-based team. Remote candidates will be considered, with the expectation of periodic travel to the San Diego office for in-person collaboration.This role is responsible for overseeing the integration and engineering of mechanical and thermal process systems for projects that include gas-fired, carbon capture, sequestration and storage (CCS), flexible co-located, and renewable energy facilities. These projects may also be connected to digital infrastructure like hyperscale data centers, and the position covers all stages from conceptual design through to development and execution. The role will provide technical support to project development teams for thermal generation systems, CO₂ compression and pipeline transport, electrical interconnection, and multi-technology integration. Along with systems integration engineering activities, additional responsibilities include technology selection, site evaluation, conceptual design, planning, scheduling, cost estimating, due diligence, status reporting, and overseeing external vendors and contractors, such as original equipment manufacturers (OEMs) engineering and consulting firms.

Responsibilities

What you will do:

+ **OEM, Vendor & Consultant Interface**

+ Interface directly with OEMs and equipment vendors to evaluate technological options, technical parameters, scope of supply, performance guarantees, operational flexibility, O&M philosophies and future upgrade pathways

+ Establish OEM and BOP equipment technical and commercial overview for project development options

+ Review and provide technical oversight of process and mechanical engineering deliverables prepared by external consultants ensuring consistency with system integration objectives

+ Lead definition of process and mechanical scope for owner’s engineering studies

+ Provide inputs to plant cost estimates, plant schedules, and installation assessments from engineering and project development perspectiv

+ **Process & Mechanical System Integration**

+ Serve as the process and mechanical systems lead within the System Integration Engineering team

+ Evaluate, integrate, and develop system configurations for power generation, including gas turbine cycles, combined cycles, heat recovery processes, and mechanical balance-of-plant, onsite fuel supply integration

+ Develop overall process configurations, operating modes, and design concepts, including hybrid and flexible operating scenarios such as combined cycle plus storage or peaking assets paired with digital infrastructure

+ Perform system-level process and mechanical analyses to support feasibility studies, concept selection, and development decision gates

+ Develop and review heat and mass balances, process flow diagrams (PFDs), piping and instrumentation diagrams (P&IDs), performance assumptions, emissions controls, and equipment sizing inputs

+ Assesses impacts of process design decisions on efficiency, operability, reliability, maintainability, cost, and schedule, and develop mitigation strategies early in the project lifecycle

+ Support process and mechanical–electrical system integration at a conceptual level, including auxiliary power requirements and system interfaces

+ Contribute to development of mechanical design standards, assumptions, and tools to support repeatable project development

+ Support process and mechanical-electrical system integration, instrumentation and controls, instrumentation layouts and coordinate with Electrical Engineering to ensure alignment of process assumptions and electrical system impacts including auxiliary loads, startup sequences, control interfaces, and system boundaries

+ **Project Development Milestones**

+ Support technical documentation for investment approvals, due diligence, permitting interfaces, and transition to EPC execution

+ Understand, track, and support project development engineering milestones

+ Lead process and mechanical engineering handoff to the Project Delivery team, ensuring process design intent, key assumptions and constraints, identified risks and mitigations, performance and operability criteria

+ Provide early execution support as projects transition into EPC delivery

Qualifications

We want you on our team because you…

+ Hold a bachelor’s degree in Mechanical Engineering, Chemical Engineering, or a related discipline

+ Bring 7+ years of experience supporting process and mechanical systems for power generation or energy infrastructure projects

+ Understand process integration across mechanical, electrical, and control systems in power plants

+ Have supported development-stage projects and coordinated with engineering consultants and OEMs

+ Demonstrate strong analytical, communication, and cross-disciplinary collaboration skills

+ Have experience with combined-cycle and/or simple-cycle power generation

+ Bring exposure to hybrid and flexible power generation concepts

+ Have experience working on owner’s engineering or developer-side teams

Ideally you also have

+ Experience supporting mechanical systems for hyperscale data center or digital infrastructure projects

+ Familiarity with design and performance modeling

**Job Locations** _US-CA_

**ID** _2026-1825_

**Category** _Generation Development_

**Type** _Full Time_