3rd Line Infrastructure Engineer jobs in Croydon

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Senior Infrastructure Engineer

Khuda Technology
Croydon

You will play a key role in day-to-day operations, automation, infrastructure improvements, and ensuring technology aligns with business and security objectives.

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2 hours ago

Communications Engineer

Demob Job Ltd
South Croydon

We are supporting a leading provider of mission critical communications infrastructure that delivers highly resilient networks used by emergency services, healthcare and other essential organisations across the UK. They now have an immediate requirement for a Communications Engineer to join their team in the South. This is a home-based role, and the candidate will travel to customer sites across...

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3 hours ago

Civil Engineering Assistant

CPL
Croydon SE25

Civil Engineering Assistant In order to make an application, simply read through the following job description and make sure to attach relevant documents. CPL have partnered with Northern Ireland Civil Service (NICS) to recruit for Civil Engineering Assistants (PTO Grade) to join their team on a temporary contract, with possibility of extension. · Pay Rate - £17.43 per/hr · Location – DfI...

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55 minutes ago
Hybrid

Principal Electrical Engineer -Substations

Mott MacDonald
Croydon

Principal Electrical Engineer -Substations Join to apply for the Principal Electrical Engineer -Substations role at Mott MacDonald 1 week ago Be among the first 25 applicants Location/s: Brighton, Altrincham, Croydon, Glasgow, York Recruiter contact: ABHIJEET BARPANDA Mott MacDonald is a global engineering, management, and development consultancy with over 20,000 employees across more than...

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4 days ago
Hybrid

Principal Mechanical Engineer, Water Sector

AECOM
Croydon

You will support the delivery of several high-value capital programmes, including:

You will have the flexibility you need to do your best work with hybrid work options.

You will help us foster a safe and respectful workplace, where we invite everyone to bring their whole selves to work using their unique talents, backgrounds and expertise to create transformational outcomes for our clients.

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4 days ago

Chartered/Senior Tunnel Engineer

AtkinsRéalis
Croydon

Job Description Open to all AtkinsRéalis UK office locations. Croydon, Epsom Tunnels and underground structures form an increasingly critical part of modern-day infrastructure. This infrastructure provides economic, societal and environmental benefits through the facilitation of efficient and rapid movement of people below-ground. This may be in mass transit systems, high-speed rail lines or...

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5 days ago
Hybrid

Principal Process Engineer

Advance TRS
Croydon

Principal Process EngineerWater & Waste SectorUK locations: Croydon, Exeter, Swindon (Hybrid)Salary: £60,000 - £70,000Full-time | Permanent | 37.5 hoursThe OpportunityWe're looking for a Principal Process Engineer to take a leading role in delivering innovative water and wastewater projects that genuinely make a difference. You'll work at the forefront of sustainable infrastructure, leading...

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an hour ago

Plant & Labour Administrator - Lower Thames Crossing

Blackwell Earthmoving Limited
Croydon CR9 2DD

Role Title: Plant & Labour Administrator - Lower Thames Crossing Location: Basildon, CM13 Salary: £28,000 per annum Contract Type: Permanent / Full-Time Benefits: Auto Enrolment Pension; £25,000 Life Assurance; Westfield Health Care About the Role: At Blackwell Earthmoving Limited, part of the Hargreaves Services Group, we deliver large-scale bulk earthworks, soil stabilisation, and land...

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8 hours ago

Static Electrician

EQUANS
Croydon

You will be based onsite at Croydon Combined Court. This is a full time role working 40 hours per week. On offer is a competitive salary and in addition you will receive an excellent benefits package. What will you deliver? Perform routine Planned Preventative Maintenance (PPM) on electrical infrastructure and plant according to site schedules and CAFM systems.

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5 days ago

Senior Business Development Associate

Ripple
Croydon CR9 2DD

You will work closely with senior BD leaders and product teams to help progress partnerships from early conversations through to launch. This is a hands-on role for someone who is commercially curious, organised, and comfortable operating across multiple products.

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8 hours ago
Hybrid

Principal Electrical Engineer

AECOM
Croydon

Company Description Work with Us. Change the World. At AECOM, we're delivering a better world. Whether improving your commute, keeping the lights on, providing access to clean water, or transforming skylines, our work helps people and communities thrive. We are the world's trusted infrastructure consulting firm, partnering with clients to solve the world's most complex challenges and build...

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4 days ago
Hybrid

Principal EIA Consultant

AECOM
Croydon

You will working as part of integrated design teams to improve the environmental outcomes of our projects – you will identify environmental constraints, identify impact avoidance and mitigation solutions, as well as opportunities to deliver benefits.

You will promote AECOM's environmental services to both internal and external audiences.

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4 days ago
Hybrid

Graduate Bridge Structures Engineer – Croydon (2026 start)

AECOM
Croydon

You will be assigned a mentor to support and guide your development and undertake regular training modules throughout the programme.

You will have the flexibility you need to do your best work with hybrid work options.

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4 days ago
Hybrid

Graduate Rail Electrical Engineer - London/Croydon (2026 start)

AECOM
Croydon

You will gain experience across a range of rail projects, working closely with experienced engineers and other disciplines to deliver safe, reliable and sustainable electrical designs.

You must have the right to work in the UK.

You will be assigned a mentor to support and guide your development, and undertake regular training modules throughout the programme.

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2 days ago
Hybrid

Graduate Tunnelling Engineer - Croydon (2026 start)

AECOM
Croydon

You must have the right to work in the UK. Professional Development

You will be assigned a mentor to support & guide your development and undertake regular training modules throughout the programme.

You will have the flexibility you need to do your best work with hybrid work options.

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2 days ago
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Hybrid

Senior Mechanical Engineer - Water

AECOM
Croydon

You will contribute to several major frameworks, including:

You will have the flexibility you need to do your best work with hybrid work options.

You will help us foster a safe and respectful workplace, where we invite everyone to bring their whole selves to work using their unique talents, backgrounds and expertise to create transformational outcomes for our clients.

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7 hours ago
Hybrid

Design Manager - Wastewater Treatment

AECOM
Croydon

You will also have experience leading multi-disciplinary design teams.

You will act as a Technical Lead in at least one discipline in addition to coordinating other disciplines. - A degree or equivalent in a related engineering subject (e.g. civil, electrical, mechanical) and/or equivalent experience.

You will have the flexibility you need to do your best work with hybrid work options.

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3 hours ago
Hybrid

Principal Marine Ecologist

AECOM
Croydon

You will have the opportunity to apply your skills, knowledge and expertise on both national and international projects.

You will be client-facing and will take responsibility for technical project delivery and business development, reporting to the Marine Ecology Lead.

You will have excellent writing and communication skill, able to tailor complex scientific information for different audiences.

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2 days ago
Hybrid

Principal/Associate Geomorphologist

AECOM
Croydon

You will have the flexibility you need to do your best work with hybrid work options.

You will help us foster a safe and respectful workplace, where we invite everyone to bring their whole selves to work using their unique talents, backgrounds and expertise to create transformational outcomes for our clients.

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7 hours ago
Hybrid

Consultant Aquatic Ecologist

AECOM
Croydon

You will join a growing, friendly, and highly motivated team, and contribute to a diverse range of project, these include the Environment Agency and Natural England, Water Companies, renewable energy projects, nationally significant infrastructure projects, and many others.

You will have the flexibility you need to do your best work with hybrid work options.

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5 days ago
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