Manager - Economic, Growth And Infrastructure

International Development Manager

Tetra Tech is a leading provider of consulting and engineering services worldwide. It supports government and commercial clients with innovative solutions focused on international development, climate mitigation and adaptation, environmental sustainability, biodiversity, conservation, land reform, infrastructure, urban development, transport, water, and resource management. With 27,000 associates worldwide in over 120 countries, Tetra Tech's capabilities span the entire project cycle.

Tetra Tech International Development Europe is Tetra Tech's European business unit focused on International Development. We are based in London with offices in Kenya, Nigeria, Poland, and the Netherlands. We deliver international development programmes focused on economic growth, governance and justice/security, and infrastructure, for clients such as the UK's Foreign, Commonwealth and Development Office (FCDO) and Department for Business, Energy and Industrial Strategy (BEIS), the United Nations, the European Union, the European Investment Bank and other donors and funding agencies. We also have a strong in-house Monitoring, Evaluation, Research and Learning Practice consisting of 35 evaluators, statisticians, economists, social scientists, and research managers.

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, Stable Street (Coals Drop Yard, near King's Cross Station)

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, (with the occasional travel to project country locations)

Salary & Benefits: Competitive Salary & Benefits

Grow Your Career in International Development

Job Overview: Are you a skilled early mid-career development professional passionate about driving sustainable economic growth and infrastructure development in emerging markets? Ready to take an important role in delivering high-impact international development programmes across diverse geographies? As a Manager with Tetra Tech International Development, you will manage the successful delivery of complex programmes, play a major role in business development efforts, and build strong client and partner relationships.

About Us: At Tetra Tech International Development, our Economic Growth and Infrastructure team is transforming lives and communities worldwide. We apply market-driven solutions and technical expertise to help countries unlock their economic potential, build resilient workforces, and develop sustainable infrastructure. Partnering with leading clients such as the UK Foreign, Commonwealth & Development Office (FCDO), European Investment Bank, and KfW Development Bank, we deliver inclusive and resilient programmes that shape the future of developing economies. Examples include our delivery of FCDO's £50m Land Facility and the £40m Nigeria Infrastructure Advisory Facility.

Main Duties:

• Manage the successful delivery of large, complex international development programmes, ensuring they meet quality standards, milestones, budgets, and client requirements.
• Lead and support business development by identifying opportunities, managing end-to-end tender processes, coordinating teams, crafting tailored proposals that clearly communicate value, and collaborating with partners to build competitive tenders.
• Build and maintain strong relationships with clients, partners, consultants, and internal teams to support the successful delivery of programs and business growth.
• Contribute to the wider Economic Growth and Infrastructure Practice by sharing knowledge and mentoring junior colleagues.
• Willing and able to travel internationally as required, including to fragile and conflict-affected states and other company offices as required.

Aptitude and skills:

• An experienced early mid-career professional with demonstrable experience managing international development programmes, ideally in economic growth, infrastructure, private sector development, climate and nature, energy, or related sectors. Experience managing FCDO-funded programmes is highly desirable.
• A collaborative team player with a proactive and entrepreneurial mindset, driven to identify and pursue new business opportunities. You bring a proven track record in business development, including significant contributions to pipeline growth, pursuit strategy, and successful tender submissions, ideally within FCDO-funded contexts. Strong writing skills are highly valued in proposal writing.
• Technically adept with deep knowledge of inclusive economic growth, climate and/or infrastructure challenges and opportunities in developing country contexts.
• Well-connected, with extensive networks of potential partners and experts relevant to our geographic and thematic priorities.
• An outstanding communicator in English (both written and oral), comfortable working across cultures and with global teams.
• Exceptionally organised, detail-oriented, and numerate, capable of managing multiple priorities effectively in a dynamic environment.
• Self-motivated, adaptable, and committed to fostering a positive, collaborative team culture.

Qualifications: Educated to Master's level (or equivalent, preferably) in international development, economics, agriculture, engineering, climate and sustainability, or related disciplines.

Why Join Us?

• Join a passionate, diverse team dedicated to delivering lasting global change.
• Thrive in an inclusive, supportive workplace culture that values your expertise and professional growth.
• Benefit from flexible hybrid working arrangements and opportunities for international travel.
• Be part of something bigger – Tetra Tech Inc. is a global leader in water, environment, and sustainable infrastructure, with over 30,000 employees and 550 offices worldwide.
• If you are ready to advance your career and drive meaningful change, we want to hear from you!

The closing date for applications is 19 October 2025. "Applicants must already have the legal right to work in the UK; we are not able to provide visa sponsorship for this position."

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.

Region: United Kingdom and Europe Teams and Clients

Role Category: Headquarters Positions or Project Opportunities