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Egis Group

Designs, builds, and operates intelligent infrastructure

Principal Civil Engineer - Wastewater

Full-TimeUpdated on 10/23/2026
No salary listed
Expert
Bachelor's
Castlebar, Co. Mayo, Ireland+3 moreMore locations: Cork, Ireland | Limerick, Ireland | Dublin, Ireland
HybridHybrid working in Dublin, Cork, Limerick or Castlebar.
Architecture & Civil EngineeringConstruction Management, Water Resources Engineering

About the job

Requirements
  • A bachelor's degree (Level 8) or higher in Civil Engineering or a related discipline is required.
  • Chartered Engineer (CEng) status with Engineers Ireland or an equivalent professional institution is required.
  • A full clean driving licence is required.
  • Typically 10 or more years of relevant experience planning, designing and delivering water or wastewater infrastructure projects is required.
  • Significant experience delivering projects for Uisce Éireann, local authorities or similar public sector utility clients is required.
  • A proven track record in project management of multidisciplinary engineering projects is required.
  • Experience managing project teams and mentoring technical staff is required.
  • Strong client-facing and stakeholder management experience is required.
  • Experience supporting projects through design, procurement, construction and commissioning phases is required.
  • Technical expertise in wastewater treatment plant design and upgrade projects, civil infrastructure design and construction, design management and quality assurance, construction-stage services and contract administration, risk management and project controls is required.
  • Leadership capabilities in team leadership and people management, strategic thinking and decision-making, coaching and mentoring, effective delegation and resource management are required.
  • Commercial capabilities in financial management and budget control, contract administration, bid preparation and business development, and programme and resource planning are required.
  • Commitment to safety, quality and sustainability, and the ability to operate effectively in a fast-paced consultancy environment are required.
Responsibilities
  • Lead the planning, design and delivery of wastewater treatment and collection projects.
  • Manage projects through feasibility, concept design, planning, detailed design, procurement, construction support and commissioning.
  • Act as Project Manager on major wastewater and infrastructure projects.
  • Ensure projects are delivered safely, on programme, within budget and in accordance with quality standards.
  • Coordinate multidisciplinary civil, process, mechanical, electrical, environmental and planning teams.
  • Manage project risk, programme, resources and financial performance.
  • Serve as a primary point of contact for Uisce Éireann and other key clients.
  • Develop and maintain client relationships through proactive communication and successful project delivery.
  • Lead project progress meetings, workshops and stakeholder engagements.
  • Understand client objectives and provide strategic technical advice.
  • Support framework management and contribute to securing repeat business opportunities.
  • Provide technical oversight and quality assurance for wastewater treatment and network projects.
  • Review and approve designs, specifications, reports and technical submissions.
  • Mentor and develop engineers and project managers.
  • Drive innovation and promote best practice in wastewater infrastructure delivery.
  • Support the development of technical standards and procedures within the business.
  • Support the preparation of bids, tenders and framework submissions.
  • Identify business growth opportunities within existing client accounts.
  • Participate in industry forums and represent Egis in client and professional engagements.
  • Contribute to strategic business planning within the Water sector.
  • Monitor project profitability and commercial performance.
  • Manage project budgets and resource allocations.
  • Administer engineering contracts and support contract negotiations.
  • Ensure compliance with client requirements and company governance procedures.
Desired Qualifications
  • Knowledge of wastewater treatment processes, pumping stations, rising mains, sewer networks and sludge management infrastructure is advantageous.
  • Experience working under NEC, FIDIC or Public Works Contracts is desirable.

About the company

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's Take

What believers are saying

  • Tikehau raised over €1 billion in July 2025 to fund Egis expansion.
  • Egis bought RockSol on November 24, 2025, deepening Western U.S. transportation reach.
  • Lochner rebranded as Egis on August 17, 2026, signaling faster U.S. integration.

What critics are saying

  • Africa Intelligence reported September 16, 2026 arbitration over Cameroon's unpaid Tollcam debt.
  • Egis's African subsidiary carve-out into Infras Group risks client confusion and talent loss.
  • Aggressive acquisition-driven growth after Lochner, RockSol, Engeny, and Ecometrix strains integration.

What makes Egis Group unique

  • Egis now combines Lochner, RockSol, and global services across 70 countries.
  • It owns rare end-to-end infrastructure capabilities: design, operations, concessions, and mobility.
  • The 2026 Africa reorganization sharpened focus without abandoning 25-country regional reach.

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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...