Marketing Assistant

Reactive Technologies LTD; City of London; On-site; GBP 25,000 - 35,000; Full time

Job summary

A dynamic energy technology firm based in London is seeking a Marketing Assistant to support various marketing operations, including website management, social media, and email campaigns. The ideal candidate is a recent graduate passionate about clean tech, has strong organisational skills and attention to detail, and is comfortable working with data. This role offers flexible working arrangements and a competitive benefits package.

Benefits

Company pension scheme

Private Medical and life insurance

Flexible working patterns

Regular social events

Charity Days

Qualifications

• Recent graduate passionate about Clean Tech Energy Transition and marketing.
• Comfortable dealing with marketing data.
• Excellent attention to detail.

Responsibilities

• Support marketing operations and website management.
• Assist with social media and email campaigns.
• Help with event logistics and campaign asset preparation.

Skills

Detail-oriented

Data-driven marketing

Organisational skills

Strong communication

Education

Bachelor’s degree in marketing, communications, or engineering (2:1 minimum)

Tools

HubSpot

Salesforce

Job description

Department: Sales and Marketing
Position reports into: Marketing Director
Location: London Head Office, (London Bridge) with flexible working arrangement
Length of contract: Fixed term and full time
Salary:

THE COMPANY

Reactive Technologies (RTL) is a highly innovative global energy technology solution provider with the mission to unlock the potential of the global renewable energy transition.RTL is an exciting opportunity as we are delivering unique patented high value technology that is vital to unlocking the Energy Transition and the growth of electrification globally.Investment in the stability of the electricity grid is vital to addressing Climate change and RTL’s platform solution sits at the very heart of this.

RTL’s GridMetrix® platform offers unique stability measurement services to power grid operators (transmission and distribution) and users, to enable unrivalled measurement accuracy and insights into the behaviour of the power system, and as a result operate more safely and cost-efficiently and utilise more renewable energy in the power systems to help them achieve their Net Zero targets. In the UK, Reactive is saving ~18M tonnes of CO2 annually or ~5.5% of the total UK CO2 output through its services. RTL also offers unique grid insights and forecasts to power traders through its Tradenergy service. This enables our customers to make smarter and faster trading decisions.

RTL has more than 250+ patents granted globally, with offices in the UK, Finland, Australia, US and Middle East. To date it has secured flagship customers across the world and achieved more than 100% revenue growth YoY and its business plan will continue this level of growth based on a strong global pipeline. RTL is also backed by high profile investors including M&G Investments, BGF, Breakthrough Energy Ventures, Eaton and Accenture.

ROLE DESCRIPTION

We are seeking a detail-oriented and proactive Marketing Assistantto support our marketing operations, website management, social media, email campaigns, and event logistics. This role is ideal for someone who thrives in a fast-paced environment, enjoys working with data, and has a passion for marketing execution.

RESPONSIBILITIES:

Marketing Operations

• Actively follow up with Sales and cross-functional teams to ensure leads are processing through pipeline
• Track lead status, flag stalled opportunities, and support timely handoffs between Marketing and Sales.
• Collect, cleanse, and update marketing lead data in Salesforce.
• Complete missing customer profile information.
• Run monthly and product line/region-based lead generation reports.
• Assist in preparing monthly performance reports.

Website Management

• Assist with website content migration, proofreading, and cross-checking.
• Update web content and metadata in CMS.
• Support SEO optimization (keyword tagging, alt text, meta descriptions).
• Collaborate with designers on UI/UX improvements and testing.
• Monitor website for errors or broken links.

Social Media Management

• Collaborate with designers on post concepts.
• Proofread captions and ensure brand tone consistency.
• Monitor engagement and elevate responses as needed.
• Maintain the social media content calendar.

Email Marketing

• Layout emails in HubSpot.
• Proofread content for clarity and accuracy.
• Coordinate internal communications across teams.

Campaign & Event Support

• Assist with webinar/event logistics (registrations, reminders, follow-ups).
• Coordinate swag and marketing material orders.
• Support campaign asset preparation (presentations, PDFs, banners).

Marketing Administration

• Raise purchase requests, complete event forms, and maintain SharePoint.
• Manage marketing materials (brochures, giveaways).
• Coordinate with external vendors for small-scale orders. Handle ad-hoc admin requests from the marketing team.

EXPERIENCE

• Recent graduate with a passion for Clean Tech Energy Transition, marketing and comfortable dealing with marketing data
• Desired experience in both HubSpot and Salesforce
• Organised, deadline-driven, and a strong communicator.
• Excellent attention to detail.
• Must be a data-driven marketer, comfortable reading and analysing data, using it to inform marketing plans and prioritise investments.
• Strong accountability and a track record of taking ownership of marketing initiatives.
• Highly performance-orientedindividualwithhighdegreeofself initiative,confidenceandenergy.
• A professional and positive attitude, even while working in a fast-paced environment.
• A bachelor’s degree 2:1 minimum in marketing, communications creative discipline or engineering.

BENEFITS

Our belief is that a well-rewarded workforce with a compelling mission will result in a more engaged and productive team. As a start-up, we are agile, have a flat structure, and offer a competitive benefits package:

• Company pension scheme
• Private Medical and 4 x life Insurance scheme
• Regular team and company social events
• Flexible working patterns to manage work life balance.
• Professional and dynamic work environment
• Charity Days (2 per year)
• Perkbox

We are an equal opportunity employer. We do not discriminate on the basis of race, religion, colour, national origin, sex, gender, gender expression, sexual orientation, age, marital status, veteran status, or disability status.