Alexander Associates Limited

Senior Mechanical Design Engineer - Water Location:  Chatham, Kent (flexible hybrid) Job type:  Long‑term Contract (Outside IR35) A leading water client is seeking an experienced mechanical design engineer to support long‑term capital delivery programmes. This client‑side position covers the full project lifecycle including feasibility, optioneering, detailed design, construction and commissioning. Responsibilities Lead mechanical engineering design activities from feasibility through to commissioning on clean water infrastructure projects. Produce and review detailed mechanical designs, calculations, specifications, reports and drawings for treatment plant assets, pumped systems, pipework and chemical dosing equipment. Carry out and validate hydraulic calculations, including pump sizing, system curves, head loss assessments and surge considerations. Ensure design outputs comply with client standards, WIMES, CDM requirements and relevant industry...

Civil Design Engineer | Water Sector Contract: Long‑term, Outside IR35 Location: Chatham, Kent (Flexible Hybrid) Our client in water is seeking an experienced Civil Design Engineer to support the design and delivery of infrastructure and non‑infrastructure projects across a broad programme of work. This long‑term contract offers the opportunity to play a key role in developing, reviewing, and coordinating civil engineering designs within a fast‑paced, essential services environment. Hybrid working is available, with regular presence required at the Chatham office. Key Responsibilities Produce, review, and develop civil engineering designs for water and wastewater infrastructure Prepare design calculations, technical drawings, and specifications in line with industry and regulatory standards Support feasibility assessments, optioneering, and early‑stage technical input Work collaboratively with multidisciplinary teams including process, mechanical, electrical,...

Job title: Mechanical Design & Test Engineer Location: Greater Glasgow   We’re working with an innovative and fast-growing space-sector company that is looking to appoint a Mechanical Design & Test Engineer to support its orbital launch ambitions.   This role would suit an experienced engineer (typically 5–10 years’ industry experience) from the space, aerospace, or high-performance product design sectors, or someone with highly transferable skills and a hands-on mindset.   The Role:   You’ll be involved across the full product lifecycle from concept and detailed design through to build, integration, and rigorous testing. The work is varied, technically challenging, and highly collaborative.   You’ll gain exposure to a wide range of technologies and techniques, including:   Composites fabrication Product development and prototyping Infrastructure commissioning Integration and system-level testing   Key Responsibilities   Create detailed...

Senior Electrical Engineer – Water Benefits Pension contributions matched Life Assurance Private Medical Insurance  Annual bonus scheme 33 days annual leave including bank holidays (with buy/sell/carry options) Paid professional institution membership fees and more.   Join a leading UK engineering consultancy delivering major infrastructure solutions across the water sector. This independently owned business is known for its collaborative culture, technical excellence, and commitment to sustainability and social impact. You will play a key role in designing and reviewing electrical engineering solutions for water and wastewater treatment sites. You’ll work with modern and legacy systems including MCCs, LV distribution, cabling, instrumentation, PLCs, SCADA and industrial networks. Responsibilities: Prepare and review detailed electrical engineering designs for water treatment equipment. Produce and review technical specifications,...

Civil Design Engineer - Water Sector Location: London (Flexible Hybrid) Benefits: Car Allowance Excellent Match Pension scheme Life Assurance Health Insurance Private Medical Insurance…and more   A leading UK design‑and‑build contractor serving multiple water sector clients is seeking a Civil Design Engineer to help deliver safe, efficient and high‑quality engineering solutions across major treatment and infrastructure projects. In this role, you’ll work closely with multidisciplinary teams to ensure fully coordinated, compliant and successful project delivery.   Responsibilities Create cost‑effective civil design layouts that meet specifications and are practical to construct and commission. Apply established design standards to maintain consistency and quality. Provide technical input, estimates, and support to proposal teams. Follow and contribute to improving departmental processes and procedures. Coordinate...

Senior Electrical Engineer – Water Benefits Pension contributions matched Life Assurance Private Medical Insurance  Annual bonus scheme 33 days annual leave including bank holidays (with buy/sell/carry options) Paid professional institution membership fees and more.   Join a leading UK engineering consultancy delivering major infrastructure solutions across the water sector. This independently owned business is known for its collaborative culture, technical excellence, and commitment to sustainability and social impact. You will play a key role in designing and reviewing electrical engineering solutions for water and wastewater treatment sites. You’ll work with modern and legacy systems including MCCs, LV distribution, cabling, instrumentation, PLCs, SCADA and industrial networks. Responsibilities: Prepare and review detailed electrical engineering designs for water treatment equipment. Produce and review technical specifications,...

Senior Electrical Engineer – Water Benefits Pension contributions matched Life Assurance Private Medical Insurance  Annual bonus scheme 33 days annual leave including bank holidays (with buy/sell/carry options) Paid professional institution membership fees and more. Join a leading UK engineering consultancy delivering major infrastructure solutions across the water sector. This independently owned business is known for its collaborative culture, technical excellence, and commitment to sustainability and social impact. As a  Senior Electrical Engineer , you will play a key role in designing and reviewing electrical engineering solutions for water and wastewater treatment sites. You’ll work with modern and legacy systems including MCCs, LV distribution, cabling, instrumentation, PLCs, SCADA and industrial networks. You will: Prepare and review detailed electrical engineering designs for water treatment equipment. Produce and...

Senior Mechanical Design Engineer - Water Location:  Chatham, Kent (flexible hybrid) Job type:  Long‑term Contract (Outside IR35) A leading water client is seeking an experienced mechanical design engineer to support long‑term capital delivery programmes. This client‑side position covers the full project lifecycle including feasibility, optioneering, detailed design, construction and commissioning. Responsibilities Lead mechanical engineering design activities from feasibility through to commissioning on clean water infrastructure projects. Produce and review detailed mechanical designs, calculations, specifications, reports and drawings for treatment plant assets, pumped systems, pipework and chemical dosing equipment. Carry out and validate hydraulic calculations, including pump sizing, system curves, head loss assessments and surge considerations. Ensure design outputs comply with client standards, WIMES, CDM requirements and relevant industry...

Senior Electrical Engineer – Water Benefits Pension contributions matched Life Assurance Private Medical Insurance  Annual bonus scheme 33 days annual leave including bank holidays (with buy/sell/carry options) Paid professional institution membership fees and more. Join a leading UK engineering consultancy delivering major infrastructure solutions across the water sector. This independently owned business is known for its collaborative culture, technical excellence, and commitment to sustainability and social impact. As a  Senior Electrical Engineer , you will play a key role in designing and reviewing electrical engineering solutions for water and wastewater treatment sites. You’ll work with modern and legacy systems including MCCs, LV distribution, cabling, instrumentation, PLCs, SCADA and industrial networks. You will: Prepare and review detailed electrical engineering designs for water treatment equipment. Produce and...

Civil Design Engineer | Water Sector Contract: Long‑term, Outside IR35 Location: Chatham, Kent (Flexible Hybrid) Our client in water is seeking an experienced Civil Design Engineer to support the design and delivery of infrastructure and non‑infrastructure projects across a broad programme of work. This long‑term contract offers the opportunity to play a key role in developing, reviewing, and coordinating civil engineering designs within a fast‑paced, essential services environment. Hybrid working is available, with regular presence required at the Chatham office. Key Responsibilities Produce, review, and develop civil engineering designs for water and wastewater infrastructure Prepare design calculations, technical drawings, and specifications in line with industry and regulatory standards Support feasibility assessments, optioneering, and early‑stage technical input Work collaboratively with multidisciplinary teams including process, mechanical, electrical,...

The Role As a Principal Engineer, you’ll lead the design assurance and as-built engineering activities across major HS2 work packages. You’ll play a key role in ensuring that constructed works are accurately captured, validated, and reflected in final design records, working closely with site teams, designers, and digital delivery specialists. Key Responsibilities Lead the review and validation of as-built designs across heavy civils packages (earthworks, structures, drainage, etc.) Provide technical oversight and assurance to ensure compliance with HS2 standards and specifications Coordinate with construction and site teams to resolve design discrepancies and engineering challenges Support the production of as-built models, drawings, and engineering documentation Mentor and guide junior engineers and contribute to technical best practice Engage with stakeholders to ensure accurate and timely information handover What We’re Looking For Chartered Engineer...

Civil Design Engineer - Water Sector Location: London (Flexible Hybrid) Benefits: Car Allowance Excellent Match Pension scheme Life Assurance Health Insurance Private Medical Insurance…and more   A leading UK design‑and‑build contractor serving multiple water sector clients is seeking a Civil Design Engineer to help deliver safe, efficient and high‑quality engineering solutions across major treatment and infrastructure projects. In this role, you’ll work closely with multidisciplinary teams to ensure fully coordinated, compliant and successful project delivery.   Responsibilities Create cost‑effective civil design layouts that meet specifications and are practical to construct and commission. Apply established design standards to maintain consistency and quality. Provide technical input, estimates, and support to proposal teams. Follow and contribute to improving departmental processes and procedures. Coordinate...

The Role As a Principal Engineer, you’ll lead the design assurance and as-built engineering activities across major HS2 work packages. You’ll play a key role in ensuring that constructed works are accurately captured, validated, and reflected in final design records, working closely with site teams, designers, and digital delivery specialists. Key Responsibilities Lead the review and validation of as-built designs across heavy civils packages (earthworks, structures, drainage, etc.) Provide technical oversight and assurance to ensure compliance with HS2 standards and specifications Coordinate with construction and site teams to resolve design discrepancies and engineering challenges Support the production of as-built models, drawings, and engineering documentation Mentor and guide junior engineers and contribute to technical best practice Engage with stakeholders to ensure accurate and timely information handover What We’re Looking For Chartered Engineer...

Job title: Mechanical Design & Test Engineer Location: Greater Glasgow   We’re working with an innovative and fast-growing space-sector company that is looking to appoint a Mechanical Design & Test Engineer to support its orbital launch ambitions.   This role would suit an experienced engineer (typically 5–10 years’ industry experience) from the space, aerospace, or high-performance product design sectors, or someone with highly transferable skills and a hands-on mindset.   The Role:   You’ll be involved across the full product lifecycle from concept and detailed design through to build, integration, and rigorous testing. The work is varied, technically challenging, and highly collaborative.   You’ll gain exposure to a wide range of technologies and techniques, including:   Composites fabrication Product development and prototyping Infrastructure commissioning Integration and system-level testing   Key Responsibilities   Create detailed...