Senior Software Engineer

THE POSITION - SENIOR SOFTWARE ENGINEERS

IPSA Power (www.ipsa-power.com) develops and maintains IPSA, a power system analysis tool, and other products based on it. IPSA Power is part of TNEI (www.tneigroup.com), an independent specialist energy consultancy providing technical, strategic, planning, and environmental advice to companies and organisations operating within the energy sector. The dedicated software and solutions team that develops IPSA and other tools based on it is based in Manchester and Kochi.

We are actively looking for a high-calibre Software Engineer with strong foundations in core and advanced C++ programming, alongside Python, to drive the development of next-generation simulation and analysis tools for electrical power systems. If you live and breathe C++, enjoy solving complex engineering problems through code, and have experience building performant, scalable software.

DUTIES AND RESPONSIBILITIES WILL INCLUDE:

• Architect and develop high-performance C++ modules for power system simulation.
• Convert complex mathematical and engineering models into scalable, production-ready software.
• Collaborate with domain experts to design and integrate advanced simulation logic.
• Own and enhance large codebases with strong focus on performance, memory efficiency, and modular design.
• Lead reviews, testing, debugging, and enforce engineering best practices.
• Mentor junior engineers and drive fast-paced product development and prototyping.
• Contribute to technical roadmap and evaluate emerging technologies.

REQUIREMENTS

Essential requirements include:

• Bachelor's/Master's/PhD in Computer Science, Electrical Engineering, or related field.
• 6+ years of strong C++ (14/17/20) development experience.
• Deep understanding of advanced C++, Python, OOP, algorithms, and system architecture.
• Proven ability to deliver complex features end-to-end in fast-paced environments.

Desirable requirements:

• Cross-platform development, CMake, Git/GitHub.
• Experience with numerical libraries, solvers, or scientific computing.
• Qt GUI or backend visualization frameworks.
• HPC techniques: parallelization, profiling, optimisation.
• Exposure to simulation or co-simulation environments.

Why should you apply

• Join a world class team in a rapidly growing industry
• Have a hands-on opportunity to make a real difference in a small company
• Excellent professional and personal development opportunities
• Professional membership fees
• Discretionary annual performance-based bonus
• 25 days annual leave
• Additional day off on your birthday!

How to apply

Please apply using the Apply Now form on the Careers Page on our website, and upload your CV and covering letter, demonstrating why you are suitable for the role and any previous experience.

https://www.tneigroup.com/jobs/senior-software-engineer/

THE POSITION - DIGITAL GROWTH ENGINEER

DUTIES AND RESPONSIBILITIESWILL INCLUDE:

• Bring in and manage inbound leads by responding quickly, understanding customer needs, and converting them into potential sales
• Run and optimise data-driven digital campaigns (LinkedIn, Google, email) to attract high-intent power-system prospects.
• Create and support impactful digital content that clearly communicates product value and improves the customer journey.
• Coordinate product demos with domain experts and ensure a seamless, supportive experience for every prospect.

REQUIREMENTS

Essential requirements include:

• Degree in Electrical / Power Systems / Energy Engineering, or relevant technical sales experience.
• 2+ years in digital sales, inbound lead generation, presales, or similar B2B roles.
• Basic understanding of power system concepts or strong ability to learn quickly.
• Strong communication skills with customer empathy and analytical thinking.

Desirable requirements:

• Experience with LinkedIn Ads, Google Ads, SEO, and marketing automation.
• Ability to create simple, high-impact digital content.
• Data-driven, customer-focused, and comfortable working in fast-paced product teams.

THE POSITION

IPSA Power (www.ipsa-power.com) develops and maintains IPSA, a power system analysis tool, and other products based on it. IPSA Power is part of TNEI (www.tneigroup.com), an independent specialist energy consultancy providing technical, strategic, planning, and environmental advice to companies and organisations operating within the energy sector. The dedicated software and solutions team that develops IPSA and other tools based on it is based in Manchester and Kochi.

We are looking for a Digital Growth Engineer who can help bring the right customers through online channels. This role focuses on running digital campaigns, understanding how customers discover and evaluate our product, and turning inbound interest into real sales opportunities. If you enjoy working with data, improving customer journeys, and helping technically strong users find the right solution, this is a hands-on role with real impact.

TNEI

TNEI is a specialist, vibrant consulting company that has been at the forefront of providing expert technical advice to electricity network companies, renewable energy developers, regulators and funding institutions all over the world for 25 years. By nurturing the top talent in the energy industry we've built a solid reputation of developing innovative solutions and solving complex problems associated with achieving net zero. We offer a fast-paced learning environment with excellent career development opportunities. Join us and become part of the net zero energy revolution.

TNEI staff at the heart of the business

TNEI is an Employee Ownership Trust meaning that the people who work in the business directly benefit from and influence the direction and future success of the company.

TNEI has always been proud of its inventive and collaborative culture. That culture is at the heart of its success and ensures innovative and novel approaches to supporting and helping solve challenges facing our client base. An Employee Ownership Trust embodies this company culture in which we all feel responsible for the business performance and success. By remaining independent, the company is able to retain its culture and reputation and allow staff to feel even more connected to the company.

Why should you apply

• Join a world class team in a rapidly growing industry
• Have a hands-on opportunity to make a real difference in a small company
• Excellent professional and personal development opportunities
• Professional membership fees
• Discretionary annual performance-based bonus
• 25 days annual leave
• Additional day off on your birthday!

How to apply

Please apply using the Apply Now form on the Careers Page on our website, and upload your CV and covering letter, demonstrating why you are suitable for the role and any previous experience.

Closing date for applications:30 January 2026

We shall be interviewing suitable candidates on a continuous basis, therefore, if you are planning to apply, we recommend that you do so without delay.

Equality, diversity and inclusion

TNEI promotes equality, diversity and inclusion in a space where all are respected.