Proposal Engineer – Greentech PV Solutions

Siemens; Wendell (NC); Hybrid; USD 91,000 - 157,000; Full time

Benefits offered by this job

Relocation assistance

Hybrid/remote work options

Job summary

Siemens is seeking a Proposal Engineer to support Greentech Engineering for PV inverter and central inverter opportunities in Wendell, NC. You will develop high-quality proposals, align commercial terms, and coordinate across sales, engineering, and procurement to optimize margins.

The role emphasizes standardizing proposal templates, managing BOMs, and driving process improvements while ensuring compliance with grid interconnection requirements and technical specifications.

Qualifications

• Bachelor’s degree in electrical engineering or engineering discipline.
• 3+ years of experience in utility-scale PV, energy storage, or power systems proposal engineering.
• Experience with commercial proposal development and management.
• Sales engineering or offers engineering for complex technical projects.
• EPC or equipment supplier commercial operations.
• Strong understanding of project controls, project management, or program management.
• Technical understanding of utility-scale PV systems, inverter technology, grid integration requirements, and electrical systems architecture.
• Ability to interpret electrical one-line diagrams, site layout diagrams, and relevant technical documentation to define project scope and develop accurate proposals.
• Proficiency with enterprise systems including Salesforce, ERP systems (SAP), and project management/scheduling tools.
• Strong financial and commercial acumen, including margins, EBIT, COGS, and commercial risk assessment.

Responsibilities

• Developing and delivering high-quality proposals for central and string inverter, community solar, and repower projects with strong commercial discipline, clarity, and consistency.
• Serve as the commercial backbone for all proposals in our central inverter and string inverter portfolios.
• Own and continuously improve proposal templates, including scope language, technical exhibits, and commercial terms aligned to defined responsibilities.
• Standardize proposal processes across product lines to create scalable, repeatable solutions while clearly defining scope and preventing scope creep.
• Prepare and review bills of materials, technical specifications, and documentation to support accurate pricing, scope definition, and risk evaluation.
• Manage opportunity and proposal data to provide real-time visibility into deal status, pricing, margins, schedules, and risk factors.
• Partner with sales and business development to support opportunity qualification, proposal strategy, and commercial alignment.
• Support procurement planning and supply chain coordination, including purchase requisitions aligned to project timelines and probability.
• Lead structured risk reviews, documenting risks and mitigation plans, and ensuring proposals are released with clear technical and commercial alignment.
• Build and maintain project schedules, establish proposal standards, and drive process improvements that enhance accuracy, reduce cycle time, and improve margins.
• Serve as a key cross-functional partner across sales, engineering, and operations, ensuring smooth handoffs, strong commercial positioning, and continuous improvement of proposal quality.

Skills

Commercial proposal development

Sales engineering

Interpreting electrical diagrams

Salesforce/SAP proficiency

Cross-functional collaboration

Financial/commercial acumen

Project management tools

Education

Bachelor’s degree in electrical engineering or engineering discipline

Tools

AutoCAD

Visio

Salesforce

SAP

Job description

Job Family: Electrification & Automation

Req ID: 512451

Proposal Engineer – Greentech PV Solutions

Here at Siemens, we take pride in enabling sustainable progress through technology. We do this through empowering customers by combining the real and digital worlds. Improving how we live, work, and move today and for the next generation! We know that the only way a business thrive is if our people are thriving. That’s why we always put our people first. Our global, diverse team would be happy to support you and challenge you to grow in new ways. Who knows where our shared journey will take you?

Transform the everyday with us!

Utility Systems & Solutions – Green Technology Overview:

The Green Technology Systems & Solutions group within Siemens Utility Technologies is dedicated to accelerating the energy transition by delivering grid-scale photovoltaic solutions that integrate seamlessly into utility and community solar infrastructure. Our portfolio includes three-phase string inverters using virtual central architectures as well as large central inverter systems, supported by comprehensive control, protection, and integration solutions. By combining Siemens’ power systems expertise with strong project execution, we deliver turnkey PV solutions that reduce integration risk, accelerate deployment timelines, and support customers’ decarbonization goals.

We're seeking a Proposal Engineer to join our Greentech Engineering Group, supporting the PV Inverter Commercial & Proposals team. This position is based in Wendell, NC.

Candidates may work in a hybrid or remote capacity. Relocation assistance is available for qualified candidates.

You’ll make an impact by:

• Developing and delivering high-quality proposals for central and string inverter, community solar, and repower projects with strong commercial discipline, clarity, and consistency

• Serve as the commercial backbone for all proposals in our central inverter and string inverter portfolios.

• Owning and continuously improving proposal templates, including scope language, technical exhibits, and commercial terms aligned to defined responsibilities

• Standardizing proposal processes across product lines to create scalable, repeatable solutions while clearly defining scope and preventing scope creep

• Preparing and reviewing bills of material, technical specifications, and documentation to support accurate pricing, scope definition, and risk evaluation

• Managing opportunity and proposal data to provide real-time visibility into deal status, pricing, margins, schedules, and risk factors

• Partnering with sales and business development to support opportunity qualification, proposal strategy, and commercial alignment

• Supporting procurement planning and supply chain coordination, including purchase requisitions aligned to project timelines and probability

• Leading structured risk reviews, documenting risks and mitigation plans, and ensuring proposals are released with clear technical and commercial alignment

• Building and maintaining project schedules, establishing proposal standards, and driving process improvements that enhance accuracy, reduce cycle time, and improve margins

• Serving as a key cross-functional partner across sales, engineering, and operations, ensuring smooth handoffs, strong commercial positioning, and continuous improvement of proposal quality

You’ll win us over by having the following qualifications:

Basic Qualifications:

• Bachelor’s degree in electrical engineering or engineering discipline

• 3 + years of experience in one or more of the following:

• Utility-scale PV, energy storage, or power systems proposal engineering

• Commercial proposal development and management

• Sales engineering or offers engineering for complex technical projects

• EPC or equipment supplier commercial operations

• Project controls, project management, or program management

• Technical understanding of utility-scale PV systems, inverter technology, grid integration requirements, and electrical systems architecture.

• Ability to interpret electrical one-line diagrams, site layout diagrams, and relevant technical documentation to define project scope and develop accurate proposals.

• Proficiency with enterprise systems including Salesforce, ERP systems (SAP), and project management/scheduling tools. Demonstrated ability to manage data integrity and process discipline.

• Strong financial and commercial acumen, including understanding of margins, EBIT, cost of goods sold, and commercial risk assessment.

Preferred Qualifications:

• MBA or advanced business degree preferred.

• Excellent communication and organizational skills, with the ability to synthesize complex technical and commercial information into clear, actionable proposals and schedules.

• Detail-oriented and process-minded, comfortable building templates, standardizing workflows, and enforcing discipline across complex, multi-stakeholder environments.

• Collaborative mindset and genuine drive to partner across functions (Sales, Engineering, Orders, Finance, Leadership) to solve problems and improve outcomes.

• A bias toward action and continuous improvement; comfort identifying gaps, taking initiative, and driving change without waiting for permission.

• Comfort working in a dynamic, evolving business, adaptable, resilient, and willing to roll up sleeves to get things done.

• Experience with AutoCAD, Visio, or technical drawing/design tools.

• Familiarity with utility regulatory standards (UL, IEEE, ANSI) and grid interconnection processes.

• Experience in renewable energy, solar, or energy storage industries.

• Project management certification (PMP, CAPM) or Agile training.

• Exposure to risk management frameworks and risk quantification.

• CRM or Salesforce administration experience.

• Business development or sales operations background.

• Experience with supply chain, procurement, or manufacturing operations.

About Siemens:

We are a global technology company focused on industry, infrastructure, transport, and healthcare. From more resource-efficient factories, resilient supply chains, and smarter buildings and grids, to sustainable transportation as well as advanced healthcare, we create technology with purpose adding real value for customers. Learn more about Siemens here (https://www.siemens.com/global/en/company.html) .

Our Commitment to Equity and Inclusion in our Diverse Global Workforce:

We value your unique identity and perspective. We are fully committed to providing equitable opportunities and building a workplace that reflects the diversity of society, while ensuring that we attract the best talent based on qualifications, skills, and experiences. We welcome you to bring your authentic self and transform the everyday with us.

$91,463 $156,794 10%

Organization: Smart Infrastructure

Job Type: Full-time

Category: Engineering