Tetra Tech
Principal – Investment and Economic Growth
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Company Overview
Tetra Tech is a leading, global provider of high-end consulting and engineering services. We are over 25,000 employees dedicated to solving water, environment, sustainable infrastructure, renewable energy, and international development challenges for our clients and communities.
Tetra Tech International Development Europe is Tetra Tech’s European business unit focused on international development project management, technical advisory, and monitoring and evaluation services. We have a 40-year history of successfully delivering international development projects on behalf of donors around the world, including the UK’s Foreign Commonwealth and Development Office (FCDO), the European Union (EU), development banks and multilateral institutions. Our people are focused on improving lives and work side by side with local partners to support sustainable economic growth, stability, governance, and environmental and climate practices. You can find out more about our international development work with UK and European clients here.
Our Values
We are committed to maintaining business practices that honour and protect the dignity and integrity of everyone with whom the company conducts business, employs, and serves. As a leading international development organisation, we fully support continued progress and improvement within the development community to make development initiatives more effective. We are also committed to addressing various cross-cutting issues relevant to international development to ensure that all people can access and enjoy the benefits of our activities.
- We value our people: we support the development of our people, ensuring that the environments in which they work are fair, safe, and flexible.
- We deliver quality results: we go the extra mile to deliver value for our clients, impact for beneficiaries and a fair financial return for the company to grow sustainably.
- We collaborate effectively: we work authentically with our clients, beneficiaries and partners and strive to always communicate clearly and openly.
- We encourage creativity and innovation: we encourage entrepreneurial thinking and provide the freedom, support and investment for new ideas and initiatives.
- We operate with integrity: We will do the right thing, be honest and keep to our commitments.
Location
London, UK (near Kings Cross Station, Coal Drops Yard)
Flexible working available
We operate a hybrid working policy, with people working from the office two days a week and the rest working from home. People may choose to come in more often.
Contract Type
Permanent, Full Time
Working Hours
Monday to Friday, 37.50 hours per week.
Salary & Benefits
Competitive Salary & Benefits
Job Overview
Are you an experienced development leader with a passion for driving inclusive economic growth and transformation? Are you ready to play a leading role in shaping and delivering large-scale, complex international development programmes that create lasting impact for economies and communities? Do you want to help drive the strategic growth and diversification of a dynamic practice?
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As a Principal with Tetra Tech International Development, you will work closely with the Practice Director and fellow Principals to lead high-value programmes, oversee multidisciplinary teams, and play a pivotal role in expanding our portfolio through strategic business development.
What You Will Do
- Lead the successful delivery of large, complex development programmes, ensuring high standards of quality, timely delivery, budget control, and excellent client service.
- Drive strategic business growth by identifying and pursuing new opportunities, leading end-to-end tender processes and proposal development, and managing partner relationships.
- Provide leadership and mentorship to multidisciplinary in-house and in-country teams, fostering excellence, collaboration, and professional development.
- Act as a trusted technical resource and thought leader, advising clients and internal teams on inclusive economic growth, investment facilitation, economic reform, business environment reform, and related areas.
- Build and maintain strong relationships with clients, partners, consultants, and internal stakeholders to support programme success and business expansion.
- Work closely with fellow Principals and the Practice Director to shape and deliver practice-level strategy, supporting wider business growth and operational excellence.
- Oversee financial and commercial management of programmes, including reporting, forecasting, and risk mitigation.
- Represent Tetra Tech at external events and forums, strengthening our reputation and thought leadership.
- Travel internationally to programme locations and Tetra Tech offices as required.
Who You Are
- An experienced international development professional with a strong track record of leading complex programmes in inclusive economic growth, investment facilitation, economic reform, business environment reform, and/or related areas. Experience with FCDO-funded programmes is highly desirable.
- Proactive and entrepreneurial, with a strong business development mindset and proven success in pipeline growth, pursuit strategy, proposal writing, and securing major contracts, particularly with FCDO and/or similar donors.
- Technically credible, with a deep understanding of the opportunities and challenges facing inclusive economic growth and investment in developing country contexts.
- Demonstrable on-the-ground experience in developing countries, with direct exposure to programme delivery, stakeholder engagement, and operational realities across a range of emerging market contexts.
- Well connected, with strong professional networks among clients, partners, and thematic experts aligned to our geographic and sectoral focus.
- A confident leader and people manager, skilled in mentoring and managing multidisciplinary, geographically dispersed teams.
- Commercially astute, with a strong grasp of financial management at both programme and corporate level.
- An outstanding communicator in English, with the ability to work effectively across cultures and global teams. Additional languages are an advantage. Willing and able to travel internationally as required, including to fragile and conflict-affected contexts.
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Qualifications
A university degree/s in international development, international business, economics, finance, or a related discipline.
Equality, Diversity, And Inclusion
In accordance with the Equality Act 2010, Tetra Tech prides itself in a workplace culture that complies with and ensures the workplace is free from discrimination, harassment, bullying, racism, and hate speech of any form regardless of age, disability, sex, gender reassignment, sexual orientation, pregnancy and maternity, race, religion or belief, marriage, and civil partnerships. We encourage all applicants from different backgrounds to apply for this role.
Disability Confident Employer
Disability Confident is a UK government scheme that supports employers in creating and fostering diverse and inclusive workplaces. We have self-identified as registered disability confident participants.
Request An Accessible Format
If you use assistive technology (such as a screen reader) and need a vision of this document in a more accessible format. Please contact a member of the Human Resources department in the UK by emailing Disability.Confident@tetratech.com.
Safeguarding
Tetra Tech International Development has robust policies and guidelines which exemplify our commitment to safeguarding and technical excellence in gender equality. Our team of dedicated GEDSI advisers work closely with our staff and partners to ensure a context-specific and consistent approach is applied to all of our programmes to improve the livelihoods of the world’s most marginalised groups.
Right To Work
You must have the right to work in the UK without sponsorship. This role is not eligible for Skilled Worker visa sponsorship.
Closing Date For Applications
Please submit a cover letter with your application. The closing date for applications is 20 July 2026 at midnight.
Region
United Kingdom and Europe Teams and Clients
Role Category
Headquarters Positions or Project Opportunities
Additional Information
Organization: 781 CUE
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