Assistant Manager - Governance, Security and Justice

Tetra Tech, Inc.; Greater London; Hybrid; GBP 40,000 - 60,000; Full time

Job summary

Tetra Tech International Development Europe in London is seeking an Assistant Manager to join the Governance, Security and Justice Team. The successful candidate will manage smaller projects or contribute to larger project delivery teams working on complex, multi-faceted programmes.

You will also support our portfolio of programmes, business development activities and competitive bids. As an Assistant Manager, you will manage smaller projects or contribute to larger project delivery teams

Qualifications

• Experience managing international development projects in governance, public financial management, or security.

Responsibilities

• Manage small projects and contribute to larger overseas projects, ensuring delivery, budgeting, and reporting.

Skills

International development

English communication

Numerical skills

Analytical thinking

Organizational skills

Resilience

Collaborative

Entrepreneurial mindset

Travel willingness

Education

Master's degree in development/related field

Tools

Microsoft Excel

Job description

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, (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, with some overseas project travel

Salary & Benefits:

Competitive Salary & Benefits

The Governance, Security and Justice Department:

Our Governance, Security and Justice practice works in some of the world's most complex and fragile environments. We design and deliver innovative and contextually sensitive programmes to strengthen central and local government institutions, improve public financial management, increase access to justice, reduce corruption and combat violence against women and girls. We work closely with governments, the private sector, communities and NGOs to reduce conflict, create resilient societies and promote the principles of good governance: transparency, accountability and citizen participation. We have a portfolio of programmes in geographies including Sub-Saharan Africa, MENA, CEE and South East Asia covering, a range of thematic areas such as public sector reform in the OPTs, economic and public financial reform in Oman, peacebuilding and natural resource management in Nigeria, building economic resilience in the Western Balkans and Middle East and strengthening community security and tackling violence against women and girls in Kenya.

Job Overview:

Tetra Tech International Development is seeking an Assistant Manager to join its Governance, Security and Justice Team. The successful candidate will have relevant experience in a similar role or sector, or equivalent skills and experience gained through employment, consultancy, volunteering, or other relevant activities.

As an Assistant Manager, you will manage smaller projects or contribute to larger project delivery teams working on complex, multi-faceted programmes. You will also support our portfolio of programmes, business development activities and competitive bids.

Main Duties:

• Managing small projects and workstreams, or contributing to the management of larger projects, and the successful delivery of projects overseas, with responsibility for ensuring programme and milestone delivery; financial forecasting and budget management; contractor engagement and technical and financial reporting in line with contract requirements.
• Contributing to business development opportunities, including the successful development of both pursuits and full tenders as part of pursuit/bid teams.
• Undertaking technical advisory work on a short-term basis to support project implementation as needed.
• Developing and maintaining strong networks and relationships with clients, partners, and consultants, and assisting in the development of other team members.

Aptitude and skills:

• Relevant experience managing, or supporting the management of, international development projects in similar roles or technical areas, such as governance, public financial management, conflict mitigation and stabilisation, or security and justice sector development. This experience may have been gained in an international development consultancy, government, international NGO or other relevant organisation.
• Excellent written and verbal communication skills in English, with the ability to work effectively in a multinational and multicultural environment.
• Strong numerical skills, with experience in forecasting, budget management and financial management, as well as proficiency in Microsoft Excel.
• Strong analytical and problem-solving skills, with the ability to think logically and work independently or as part of a team.
• Excellent organisational skills and a high level of attention to detail.
• Tenacity and resilience, with the ability to respond positively to change and uncertainty.
• A collaborative approach and the ability to build strong working relationships at all levels. You will also be proactive, self-motivated and able to demonstrate a high level of initiative in a fast-moving programme and team environment.
• An entrepreneurial mindset and motivation to identify new opportunities for the Governance, Security and Justice Team.
• Willingness to travel to the organisation's other offices and project locations, including fragile and conflict-affected states, as required.

Qualifications:

Degree level educated, preferably with a Masters' in a relevant subject (e.g. international development, international relations, economics, politics, history, war studies, conflict/security or equivalent).

Closing date for applications:

• The closing date for applications is 10 November 2026, at midday.
• Applicants are required to include a cover letter with their application. Your cover letter should highlight your relevant experience and explain why you are interested in this position.
• 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, 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 [e-mail].

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.

Use of Artificial Intelligence in our recruitment process:

We understand that you as a candidate may want to use AI in preparation of your application and interview. Please be mindful when doing this, as we want to hear from you and about your unique views and experiences. During our competency based interviews and following possible skills tests we do not approve the use of any AI tools for recording or other purposes.

We at Tetra Tech continuously explore possibilities of AI to improve quality of our work. AI tools may be used to improve efficiency of our recruitment processes - however decisions are made by humans. If you wish your information not be processed by AI, please contact us directly.

Region: United Kingdom and Europe Teams and Clients

Role Category: Headquarters Positions or Project Opportunities