Account Manager (Hiring Immediately)

assystem
London

Company Description

Today, Assystem is among the top three independent nuclear engineering firms worldwide. With over 60 years of experience in highly regulated sectors, the group supports public and industrial stakeholders in the execution of complex and strategic infrastructure projects, subject to high safety and security requirements.

Assystem mobilizes 8,000 experts in 13 countries and intervenes across the entire project lifecycle, in engineering, project management and digital solutions.

Job Description

Your Future Team

Reporting to the Sales Director for Project Management & Consultancy, you join the Energy, Transport & Infrastructure sales team and work closely with the PM&C Business Unit Director and operational leadership. The PM&C Business Unit provides project management and consultancy services across major infrastructure and energy programmes.

The role is based from an Assystem office, preferably London or within daily commuting distance, with regular travel to other Assystem offices, client locations and industry events.

Your Responsibilities

You lead the development of new and existing client accounts across the energy, transport, water, utilities and infrastructure markets. Your focus includes National Grid, energy distributors, Network Rail, National Highways, public sector organisations, Tier 1 contractors and consultancies.

Your main responsibilities include:

▪ Developing and managing strategic account plans for prospective and existing clients across multiple sectors and service lines.

▪ Creating and delivering a market coverage plan that strengthens Assystem’s visibility at key industry events and positions our leaders and subject matter experts in the marketplace.

▪ Building senior client relationships, using your industry network to identify opportunities and develop new accounts.

▪ Proactively generating and progressing sales opportunities through networking, targeted prospecting and direct client engagement.

▪ Gathering and sharing market and client intelligence, maintaining accurate CRM information, visit plans, visit reports and monthly sales reporting.

▪ Developing early opportunity and win strategies, securing Assystem’s position on approved bid lists and preparing the business ahead of formal tender activity.

▪ Supporting and leading bids and proposals, working closely with bid teams, operational leaders and subject matter experts to develop compelling client solutions.

▪ Aligning account and business development plans with operational capability and capacity, while working with Procurement, Marketing and Communications to develop delivery partnerships and support sustainable growth.

Why Join Us?

Benefit from the strength of an international group present in Europe, the Middle East, Central Asia, and North America, allowing you to share best practices and collaborate with a community of passionate experts.

Build a rich professional career through concrete opportunities across engineering, project management, digital, commercial, and support functions.

Benefit from supportive and accessible management that values your autonomy, initiative, and day-to-day development.

Qualifications

Your Strengths and Requirements for Success

▪ At least seven years’ experience within a sales, business development or tendering environment in the energy, transport or infrastructure sector.

▪ Strong knowledge of the relevant market, supply chain, key clients and wider industry value chain.

▪ Demonstrable experience of developing client relationships and converting opportunities into business growth.

▪ Strong commercial, negotiation and contract management capability.

▪ Experience leading meetings with senior stakeholders, establishing clear agendas and securing commitments.

▪ Excellent communication, presentation and organisational skills.

▪ A proactive and self-motivated approach, combined with the ability to collaborate effectively with operational stakeholders and subject matter experts.

▪ Confidence working in a digital environment, including Microsoft Teams and Microsoft Office.

Engineering, professional services or multidisciplinary consultancy experience is advantageous. Project management experience, including supporting delivery and managing client expectations, is also beneficial.

Additional Information

NOTICE TO CANDIDATES ON RECRUITMENT FRAUD - We are committed to safeguarding candidates from fraudulent activity associated with our recruitment process. Please note that we will never offer specialist CV writing services, request payment or ask for sensitive personal information during the recruitment process.

We are committed to equal treatment of candidates and promote, as well as foster all forms of diversity within our company. We believe that bringing together people with different backgrounds and perspectives is essential for creating innovative and impactful solutions. Skills, talent, and our people’s ability to dare are the only things that matter !. Bring your unique contributions and help us shape the future.

Posted 2026-11-06

Recommended Jobs

Senior Contracts Manager

Invitise
London

We're looking for a Senior Contracts Manager for a public sector organisation, based in Birmingham or London (hybrid), on a contract running until March 2027, paying up to £650 per day (Inside IR35, …

View Details
Posted 2026-08-07

Mobile Plant Operative

SUEZ
Ruislip, Greater London

Contract type Permanent Working Pattern Shift Worker Location based Ruislip Hours per week 38.5 Salary £15.12 Summary of vacancy Are you an experienced and licenced Mobile P…

View Details
Posted 2026-11-06

Lead Finance, HR and Operations - Top Performing School -...

Marchant Recruitment
London

Location: Hackney Start: ASAP Contract: Permanent, Full-Time Hours: 37 hours per week, Monday–Friday, 8:00am–4:00pm Salary: £47,000–£54,000 per annum An established high-performin…

View Details
Posted 2026-10-10

Trust Manager - London / Hybrid, to £78k

Buckley Consulting
London

Trust Manager London/hybrid To £78,000 + Benefits This highly respected firm, well known for the quality of its private client offering, is looking to add further expertise to its growing trust…

View Details
Posted 2025-06-27

Sr. Solutions Engineer

LogicMonitor
London

About Us: We love going to work and think you should too. Our team is dedicated to trust, customer obsession, agility, and striving to be better everyday. These values serve as the foundation of …

View Details
Posted 2026-08-03

Fleet Manager

Hayes, Hillingdon, Greater London

Job Title: Fleet, Facilities & Compliance Manager Location: Hayes, Middlesex Salary: £45,000-£55,000 per annum, dependent on experience Type: Permanent, Full-Time Benefits: Compan…

View Details
Posted 2026-10-30

Music Teacher | Secondary School in Waltham Forest

Marchant Recruitment
Waltham Forest, Greater London

Teacher of Music & Performing Arts Location: Waltham Forest, East/Outer London School Type: Secondary School & Sixth Form (Co-educational) Contract: Full-Time, Permanent or Fixed-Term S…

View Details
Posted 2026-11-07

Senior Campaign Manager (Strategic Programmes) (Hiring Immediately)

navantiauk
London

Company Description Navantia UK is a new force in British industry, supporting the UK’s defence, energy and maritime ambitions. We’re doing this by creating state-of-the-art sovereign defence capabi…

View Details
Posted 2026-11-06

Senior Marketing Manager

Harrison Holgate
City of London, Greater London

Senior Marketing Manager – Insurance What You'll Be Doing Shape and deliver the marketing strategy for the Financial Institutions and D&O divisions, working closely with business leadership. Partn…

View Details
Posted 2026-10-30