Senior Sales Engineer

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

Join Clarke Energy as a Senior Sales Engineer

Drive the transition to resilient, efficient energy solutions

At Clarke Energy, our Senior Sales Engineer plays a pivotal role in helping customers reduce energy costs, improve resilience and achieve their sustainability goals. Combining technical expertise with commercial understanding, you'll work with energy-intensive organisations to identify opportunities, develop tailored solutions and secure high-value engineering projects.

This role is ideal for someone who enjoys building relationships, solving complex challenges and shaping projects from initial customer engagement through to contract award. You'll spend much of your time working directly with customers, developing commercially attractive and technically robust solutions whilst representing the Clarke Energy brand and values.

What you'll be doing

Building new business opportunities

You'll proactively identify and develop a strong pipeline of prospects across a range of industrial and commercial sectors. Using market intelligence, industry knowledge and networking opportunities, you'll engage directly with high-energy users and key stakeholders to uncover opportunities for Clarke Energy's solutions.

Working with consultants, specifiers and other industry influencers, you'll position Clarke Energy as a trusted energy partner and create opportunities for long-term growth.

Developing customer relationships

You'll meet regularly with prospective and existing customers to understand their operational, commercial and sustainability objectives. By combining your technical knowledge with a consultative sales approach, you'll recommend solutions that address customer needs while clearly demonstrating the value and differentiators of the Clarke Energy offering.

Building strong relationships is central to success in this role. You'll become a trusted technical resource, helping customers navigate complex energy challenges and supporting them throughout the decision-making process.

Managing proposals and securing projects

You'll coordinate the preparation of customer-focused technical and commercial proposals, feasibility studies and supporting documentation. Working closely with colleagues across engineering, proposals and project delivery teams, you'll ensure submissions are accurate, competitive and aligned with customer requirements.

From initial enquiry through to contract award, you'll help manage the sales process, support negotiations and contribute to securing profitable orders with acceptable commercial terms.

Providing market insight

You'll monitor market developments, competitor activity and regulatory changes, feeding valuable information back into the business. Your input will support forecasting, budgeting and wider sales and marketing planning activities.

You'll also represent Clarke Energy at industry conferences, exhibitions and networking events, helping to raise awareness of our solutions and capabilities.

Upholding quality, safety and professionalism

As a customer-facing ambassador for Clarke Energy, you'll ensure all activities are conducted in line with our Health, Safety, Environmental and Quality standards. You'll demonstrate professionalism, integrity and a commitment to delivering the highest standards of service.

About you

You're commercially minded, technically credible and motivated by creating value for customers. You enjoy building relationships, influencing decision-makers and developing innovative solutions that help organisations achieve their objectives.

You'll likely bring:

• Experience in a Technical Sales Engineering role involving high-value engineering projects
• Strong engineering knowledge and an understanding of technical applications
• A thorough understanding of the sales process for complex engineering solutions
• Excellent presentation, negotiation and communication skills
• Strong project management and organisational capabilities
• Good commercial awareness and the ability to balance risk and reward
• Strong IT skills and familiarity with CRM and Microsoft Office applications
• The resilience and determination to succeed in a competitive sales environment

Desirable experience

The following would be advantageous but are not essential:

• Degree-qualified in Engineering or a related technical discipline
• Experience within the Energy, Waste or Environmental sectors
• An interest in emerging energy technologies and markets
• Experience developing and delivering energy infrastructure or industrial solutions

Why join Clarke Energy?

We believe exceptional customer solutions start with exceptional people. In return for your expertise, we offer:

• A very competitive salary, based on experience
• Car allowance
• 25 days' holiday plus bank holidays
• 7% company pension contribution
• Flexible and hybrid working arrangements
• Westfield Health cash plan
• Life assurance and employee assistance programme
• Investment in your professional development and career progression
• A collaborative culture where your ideas and contributions are genuinely valued

About Clarke Energy

Clarke Energy, a Rehlko company, is an award-winning multinational specialist in sustainable energy solutions. We design, install and maintain high-quality power generation systems, supporting customers as they transition towards more resilient, efficient and lower-carbon energy systems.

Our culture is built on integrity, technical excellence and long-term relationships, with both our customers and our people.

Ready to help shape the future of energy?

If you're a technically minded sales professional looking for the opportunity to work on meaningful projects, develop lasting customer relationships and contribute to a growing energy business, we'd love to hear from you.

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 In addition to the investment in your development, Clarke offers a comprehensive package with competitive salaries and a range of additional benefits. 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, promote equal opportunities in every aspect of our process.

Our Values

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