Full-Time

Senior Civil Engineer

Water / Wastewater

Updated on 8/24/2026

Egis Group

Egis Group

5,001-10,000 employees

Designs, builds, and operates intelligent infrastructure

No salary listed

London, UK

Hybrid

Hybrid: some days on-site in London.

Bachelor's, Master's

Category
Architecture & Civil Engineering (1)
Required Skills
Software Testing
AutoCAD
iOS/Swift

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Requirements
  • BEng/MEng or equivalent in Civil Engineering
  • Chartered Engineer status, or significant CEng-level experience while actively progressing towards chartership, with a recognised institution such as ICE or similar
  • Typically 6+ years’ relevant civil engineering design experience
  • Background must be from water, wastewater, biosolids/bioresources, environmental infrastructure, process/treatment works or other relevant civil engineering design environments
  • Proven ability to deliver civil design packages within multidisciplinary water/wastewater projects, ideally including non-infrastructure treatment works
  • Strong practical experience in civil layouts, hydraulic structures, tanks, chambers, drainage, site development, pipework corridors, foundations, retaining structures, access, constructability and buildability
  • Experience supporting HAZOPs, SWIFT reviews, constructability reviews, temporary works discussions, technical assurance, commissioning, handover or performance testing
  • Ability to prepare and check civil calculations, drawings, models, specifications, reports, schedules and procurement/supporting documentation
  • Working knowledge of UK water industry standards, CESWI, CDM 2015, safety-by-design, sustainable design principles and relevant client standards
  • Experience using civil design software and digital delivery environments such as Civil 3D, hydraulic modelling tools (e.g. HADES), GIS platforms and BIM-enabled workflows
  • Good commercial awareness and ability to deliver to agreed scope, budget and programme
  • Strong communication skills, including ability to lead technical discussions and present recommendations clearly
  • Able to travel to operational works and construction sites as required and act safely in live water/wastewater environments
Responsibilities
  • Lead defined civil design tasks or work packages across feasibility, optioneering, concept, outline and detailed design for water, wastewater and bioresources/sludge treatment projects
  • Prepare, check and coordinate civil engineering deliverables including calculations, layouts, models, drawings, schedules, specifications, design reports and technical notes
  • Take ownership of assigned civil packages, managing technical quality, discipline interfaces, scope, budget, programme and change
  • Lead site visits, surveys, data reviews and technical discussions with clients, operators, contractors, suppliers and technology providers
  • Develop practical civil design solutions and hydraulic models for treatment works, tanks, channels, chambers, buried/above-ground structures, pipework supports, access arrangements, drainage, utilities, foundations, platforms and site layouts
  • Coordinate interfaces with Process, Mechanical, EICA, structural, architectural, geotechnical, construction and operations teams, including access, lifting, maintainability, constructability and temporary works considerations
  • Support CDM/safety-by-design reviews, design risk assessments, carbon reduction, materials selection, buildability reviews, HAZOP/SWIFT input and technical assurance processes
  • Review supplier/contractor submissions, respond to technical queries and support construction, commissioning, handover and asset integration where required
  • Mentor Engineers and Graduates and contribute to civil design standards, templates, digital workflows and delivery improvements
  • Support business development and work-winning through bid inputs, scope development, technical responses and client-facing contributions
Desired Qualifications
  • Experience with AMP8, WINEP, SROs, D&B, alliance or major capital delivery environments
  • Experience in water recycling/reuse, wastewater treatment, sludge/bioresources, energy recovery, odour control, chemical dosing, package plant, reed beds/NbS, low-carbon design or offsite manufacture
  • Experience mentoring junior staff and improving civil workflows, design templates, technical standards or QA processes
  • Experience contributing to bid writing, technical proposals, client presentations, recruitment or capability development

Starting

Company Size

5,001-10,000

Company Stage

Debt Financing

Total Funding

$1.6B

Headquarters

Montigny-le-Bretonneux, France

Founded

1949

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Simplify Jobs

Simplify's Take

What believers are saying

  • April 2026 results showed €2.389 billion turnover, 10.4% growth, and €5.4 billion backlog.
  • Egis hit 2026 targets two years early, signaling execution strength and pricing power.
  • Management targets defense, data centers, and energy expansion through 2026, broadening demand exposure.

What critics are saying

  • Eight acquisitions in 2025 and Africa reshuffling strain integration and management bandwidth.
  • Egis's private-equity ownership under Tikehau, Apollo S3, ADIA, and Neuberger pushes exit pressure.
  • A failed U.S. integration after Lochner's rebrand would undermine Egis's North American growth thesis.

What makes Egis Group unique

  • Egis spans 70 countries, combining design, operations, and concessions under one platform.
  • August 2026 Lochner rebrand gives Egis 1,500-plus U.S. professionals and 70 offices.
  • 2025 acquisitions RockSol, Engeny, Peracon, and Ecometrix deepen transport, water, and energy specialization.

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Benefits

Hybrid Work Options

Phone/Internet Stipend

Wellness Program

Company News

Pulse 2.0
Aug 19th, 2026
Lochner rebrands as Egis following 2025 merger, creating unified US infrastructure firm with 1,500+ professionals

H.W. Lochner has completed its rebrand as Egis following their merger in July 2025, creating a unified US infrastructure business with over 1,500 professionals across 70 offices. The combined organisation offers services across transportation, water, energy and environmental infrastructure. It integrates Lochner's 80-plus years of US infrastructure experience with Egis' global expertise in architecture, consulting, construction engineering, operations and mobility. Globally, Egis operates in 70 countries with approximately 23,500 employees. The company ranks 17th on Engineering News-Record's Top 225 International Design Firms list and seventh in transportation. Laurent Germain, Egis Group CEO, said the rebrand strengthens their US market position and enables them to leverage their global network to address complex client challenges.

PR Newswire
Feb 13th, 2026
Lochner appoints Karen Wiemelt to board with 35 years of nuclear and energy leadership

Lochner, an Egis Group company, has appointed Karen Wiemelt to its Board of Directors. Wiemelt brings over 35 years of leadership experience in the nuclear and energy sectors, with expertise in programme management, environmental remediation and strategic planning. Wiemelt previously served as Senior Vice President and General Manager at Jacobs, where she led the company's global Energy, Security and Technology business unit. In that role, she managed a portfolio exceeding $1.5 billion in annual revenue and over 8,000 employees worldwide. She has also served on numerous industry and corporate boards. Founded in 1944, Lochner merged with Egis Group in July 2025, positioning it as the cornerstone of Egis' US growth strategy. Wiemelt holds a Bachelor of Science degree in Chemical Engineering from the Colorado School of Mines.

PR Newswire
Nov 24th, 2025
Egis Acquires Colorado-Based RockSol Consulting Group

CHICAGO, Nov. 24, 2025 /PRNewswire/ -- Egis, a global leader in architecture, consulting, construction engineering, operations, and mobility services, has acquired RockSol Consulting Group, Inc., a Colorado-based transportation infrastructure firm specializing in engineering, planning, environmental compliance, design, construction management, inspection, and materials testing. The acquisition strengthens Egis' transportation market position in the fast-growing Mountain States and West region of the U.S. Founded in 1996 and headquartered in Thornton, Colorado, RockSol is known for the highest standard of reliability and quality in delivering highway, bridge, transit, and public works projects that enhance safety, preserve environmental resources, and improve communities. With more than 240 employees, RockSol serves municipalities, counties, state Departments of Transportation, and federal civilian agencies throughout the Western U.S. "We warmly welcome President and Founder Saeid Saeb and our new colleagues from RockSol," said Terry Ruhl, Chief Executive Officer of Egis in the U.S

Newswire
Sep 16th, 2025
Egis Acquires Ecometrix, Bolstering Environmental and Water Capabilities in Canada

/CNW/ - Egis, a global leader in architecture, consulting, construction engineering, operations and mobility services, has acquired Ecometrix, a leading...

Business Wire
Jul 7th, 2025
Tikehau Capital Raises €1 Billion to Support Egis’ Next Phase of Growth, With Backing From an Apollo S3 / ADIA Consortium and Neuberger Berman as Co-Lead Investors

Regulatory News: Tikehau Capital (Paris:TKO), the global alternative asset manager, announces a capital raise for its portfolio company Egis, reaffirming its...