Job Description

Why Work at Clarke

Our work is guided by our purpose: creating an energy-resilient world for a better future. This purpose embodies the legacy we bring, with more than 100 years as the global leader in energy resilience, delivering solutions critical to sustain and improve life.

Our teams have the opportunity to provide a critical resource – energy – that ensures safety, security, and independence for people around the world. Our team members are focused on pushing boundaries, continuing to innovate in an ever-changing landscape, and keeping up with the pace required to create solutions for today’s world demands.

Our product range includes engines, generators, power conversion, UPS systems, EV components and electrification solutions, microgrid controls and management, and clean energy solutions that serve a broad spectrum of OEM, residential, industrial, and commercial customers. At Rehlko, you have the freedom to identify, create, and deliver solutions – large and small – that help people and communities thrive in the moments that matter.

At Rehlko, our team members are the essential energy that powers our organization’s success. We are committed to fostering a safe and sustainable work environment where safety is everyone’s responsibility. We empower every team member to actively participate in our Zero Is Possible safety culture by encouraging open communication, proactively reporting hazards, following protocols, and suggesting improvements. Join us in creating an energy resilient world for a better future!

What We Offer

At Rehlko, our Total Rewards programs are designed to accelerate growth, energize performance, and support a culture of inclusion at every stage of life and work. We offer total rewards that are easily understood, recognize results, enable career mobility, and reflect our commitment to valuing diverse needs in a fast-moving world. We provide:

• Competitive compensation and benefits

• Work-life flexibility

• Recognition and rewards

• Development and career opportunities

• A safe and inclusive workplace

Why You Will Love this Job

Sales & Proposals Engineer – Aftermarket Sales

Location: Knowsley, Liverpool (with occasional UK travel as required)

Are you a technically minded sales professional with a passion for developing high‑quality customer proposals?
Clarke Energy is seeking a Sales & Proposals Engineer to support the growth of our aftermarket business by preparing compelling, accurate and commercially competitive proposals that meet customer requirements. This is a key customer‑facing role, working closely with engineering, service and commercial teams to convert opportunities into winning bids.

You will play a central part in shaping our tender responses, identifying upgrade opportunities and ensuring our customers receive clear, professional and technically robust proposals.

Job Purpose

To consolidate service offers, technical information and upgrade opportunities into clear, accurate and competitive bids for Clarke Energy’s aftermarket product portfolio.

The majority of your time will be spent attending customer meetings, clarifying technical requirements, generating conversions/modifications/upgrades (CMU) opportunities, preparing detailed proposals and maintaining accurate commercial data.

What You’ll Be Responsible For

Customer engagement and opportunity development

You will:

• Attend customer meetings to understand technical needs, identify opportunities and position Clarke Energy aftermarket solutions.
• Maintain proactive communication with customers regarding proposal progress, clarifications and next steps.
  

Preparing high‑quality proposals and tenders

You will:

• Prepare clear, accurate and detailed proposals for conversions, modifications and upgrades with minimal support.
• Build and deliver service tenders and bespoke scope packages for the Clarke Energy product range.
• Develop end‑to‑end proposals including scope development, competitive pricing, documentation and submission.
• Coordinate responses to Invitation to Tender (ITT) documents, ensuring high‑quality and timely submissions.
  

Internal collaboration and information management

You will:

• Work closely with engineering, service delivery, projects and other internal teams to gather and validate technical content.
• Prepare thorough handover documentation when orders are received, supporting a smooth transition to project delivery.
• Maintain proposal filing structures, tender logs and commercial databases to enable accurate reporting.
  

Commercial analysis and reporting

You will:

• Use the maintenance pricing model to prepare accurate and competitive pricing.
• Track quotation status, conversion rates and provide updates to the Commercial Manager.
• Produce monthly sales/proposal reports to support forecasting and pipeline planning.
  

Compliance and quality

You will:

• Ensure all proposals adhere to Clarke Energy’s Health, Safety, Environmental and Quality requirements.
  

What We’re Looking For

We are looking for someone who:

• Acts as a role model for professionalism, integrity and reliability.
• Builds strong working relationships both internally and with customers.
• Shows excellent attention to detail and a commitment to producing high‑quality work.
• Communicates clearly, ensuring technical information is easy to understand.
• Remains calm under pressure and manages deadlines effectively.
• Demonstrates strong analytical skills, using data to support accurate proposal preparation.
  

Technical Knowledge, Skills and Experience

Essential

• Proven experience preparing technical and commercial proposals.
• Strong technical understanding of gas engine systems.
• Ability to interpret complex technical information and translate it into customer‑facing proposals.
• Strong IT skills, particularly Microsoft Excel and Word.
• Confident communication skills with the ability to attend customer meetings independently.
  

Desirable

• Degree or HND in an engineering or technical discipline.
• Advanced Excel capability.
• Understanding of engineering principles and familiarity with service operations.
• Confident presentation skills.
• Familiarity with Jenbacher or MWM engine platforms.
  

Why Join Clarke Energy?

Clarke Energy is a globally recognised leader in sustainable energy solutions, known for technical excellence, high safety standards and a strong commitment to customer service. You will join a collaborative and ambitious commercial team where your technical expertise and customer‑facing skills will directly support business growth.

In return, we offer:

• Competitive salary
• 25 days’ annual leave + bank holidays (with long‑service enhancements)
• Holiday buy/sell scheme
• 7% company pension contribution
• Healthcare cash plan & life assurance

• A key commercial role with real influence over tender success and customer engagement.
• Opportunities for professional development and broad exposure across engineering, service and commercial functions.
• A supportive and respected environment that values high‑quality work and continuous improvement.

Ready to help shape winning proposals for a global engineering leader?

About Us

Clarke proudly offers a rich history steeped in creativity and commitment to our associates and communities, along with competitive benefits and compensation. Our Purpose—Creating an energy resilient world for a better future—and Values: Curiosity, Trust, Pace, and Excellence, are important cultural components that shape the way we work and relate to one another. Learn more about Clarke at https://www.rehlko.com/who-we-are. In addition to the investment in your development, Clarke offers a benefits package including a competitive salary, health, vision, dental, 401(k) with Rehlko matching, and more!?"Clarke is an equal opportunity employer that prohibits discrimination and will make decisions regarding employment opportunities, including, but not limited to, hiring, job assignment, compensation, promotion, benefits, training, discipline, and termination, without regard to race, creed, color, ethnicity, religion, sex, pregnancy, childbirth, or related medical conditions, genetic information, age, national origin, citizenship, ancestry, caste, mental or physical disability, marital or familial status, sexual orientation, gender identity or expression, genetic information, political belief or affiliation, union membership status, military status, veteran status, or any other characteristic protected by national, state, local, or other applicable laws.

Our Values

Curiosity – Seek, learn, share
Trust – Go farther together
Pace – Focus to go faster
Excellence – Find the win every day