Sales Proposal Developer Jobs (NOW HIRING)

Proposal Engineer – Complex Modernization & Upgrades

Company Overview

At Mitsubishi Power, we're not just building better clean energy technologies; we're architecting a better future. Our team is boldly redefining power generation to accelerate the world's energy transition. We operate as one team, pushing toward our vision of the future. We value problem solvers, prioritize collaboration, and support each other in an inclusive culture built on accountability and authenticity by demonstrating our values: Safety, Family, Innovative, Inclusive, Accountable & Courageous. Together, we’re building the future we all aspire to - making net zero a reality.

Role Overview

The Proposal Engineer – Complex Modernization & Upgrades leads the development of competitive, high-quality proposals for modernization and upgrade projects across Gas Turbines, Steam Turbines, Electrical Generators, and Balance of Plant systems. This role translates customer requirements into clearly defined scopes of work, cost estimates, and execution schedules, ensuring proposals are technically sound, commercially competitive, and executable. The position partners closely with Sales, Engineering, Product Line Management, Project Management, Planning, and Sourcing teams to deliver accurate and compelling proposals aligned with customer expectations and business objectives. 

Key Responsibilities

• Review and analyze RFQs, specifications, drawings, contracts, and site conditions to define project requirements. 
• Develop technically viable concepts and execution approaches in collaboration with engineering teams. 
• Define scopes of work, interfaces, assumptions, and exclusions for proposals. 
• Develop detailed cost estimates including engineering, materials, labor, subcontractors, logistics, and contingency. 
• Prepare budgetary, indicative, and firm estimates aligned with proposal maturity. 
• Collaborate with Planning and Project Management to build high-level schedules supporting delivery and outage windows. 
• Document estimate basis, assumptions, exclusions, and key risk drivers. 
• Support Sales teams with technical input and estimating throughout proposal development. 
• Participate in customer clarifications, technical discussions, and proposal negotiations. 
• Identify risks related to scope, cost, schedule, and execution and propose mitigation strategies. 
• Support development of application studies, schematics, and drawings with engineering teams. 

Requirements

• Bachelor’s degree in Mechanical, Electrical, or related Engineering field. 
• Experience supporting power generation or heavy industrial projects, preferably modernization or upgrade scopes. 
• Ability to interpret technical specifications, drawings, and commercial requirements. 
• Experience developing cost estimates and project schedules for multi-discipline projects. 
• Strong analytical, organizational, and communication skills. 
• Proficiency with Microsoft 365 tools including Excel, PowerPoint, Word, and Outlook. 
• Experience with Gas Turbines, Steam Turbines, Generators, or Balance of Plant systems preferred. 
• Experience in proposal engineering, estimating, application engineering, or project controls preferred. 
• Understanding of commercial risk, pricing strategy, and margin drivers preferred. 
• Experience with estimating software such as InEight preferred. 

Why Should You Apply?

• Excellent Benefits (Medical, Dental, Vision & 401K Matching).
• Excellent development programs and advancement opportunities.
• Tuition reimbursement and on-the-job training.
• Paid vacation, sick time, and holidays.
• Committed to quality products and services.
• Great working environment and culture.
• Employee Appreciation Programs and Event.

Mitsubishi Power is an Equal Employment Opportunity (EEO) employer actively seeking to diversify the workforce and is committed to a policy of equal employment opportunity. Therefore, all qualified applicants regardless of race, color, religion, gender, sexual orientation, gender identity, national origin, disability, veteran status, or any other legally recognized protected basis under applicable law, are strongly encouraged to apply.