Full-Time

Senior Mechanical Design Engineer

Updated on 9/4/2026

Veolia

Veolia

10,001+ employees

Water, waste, and energy services provider

No salary listed

Kilkenny, Ireland

Hybrid

Hybrid role: 3 days in office, 2 days working from home.

Bachelor's, Master's

Category
Mechanical Engineering (1)

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Requirements
  • Level 8/9 qualification in Mechanical Engineering or equivalent discipline
  • Minimum 7 years' experience in a mechanical design engineering role, with demonstrable progression to senior technical level
  • Substantial experience in the Water/Wastewater Treatment Industry, including treatment plant design, pumping systems, and process equipment
  • Proven expertise in mechanical equipment selection and specification for water treatment applications (pumps, valves, mixers, aerators, screens, etc.)
  • Strong hydraulic design capabilities, including pipe sizing, head loss calculations, pump selection, and system analysis
  • Experience with engineering design software and calculation tools (e.g., hydraulic modeling software, pump selection software, engineering calculation packages)
  • Demonstrated ability to provide technical leadership and guidance to engineering teams without direct line management responsibility
  • Proven ability to work autonomously, manage own workload, and coordinate design activities across multi-disciplinary teams
  • Excellent technical communication skills, both written and verbal, with ability to explain complex technical concepts to clients and non-technical stakeholders
  • Strong understanding of relevant design standards, codes, and regulations (Irish Water, NI Water, EPA guidelines, etc.)
Responsibilities
  • Developing innovative design solutions to for water and wastewater treatment infrastructure including mechanical equipment selection and specifications, hydraulic design, process optimisation, plant layouts, and P&IDs
  • Leading technical design reviews and providing approval of detailed engineering designs, calculations, for construction drawings and equipment specifications
  • Acting as the technical authority on mechanical and hydraulic design matters throughout project lifecycles
  • Performing and validating engineering calculations for equipment sizing, hydraulic analysis, and system performance
  • Leading the technical relationship with clients from initial concept and feasibility through detailed design, implementation, and final delivery
  • Representing the company at client meetings, design workshops, and technical presentations
  • Providing technical input and support to tender and proposal development
  • Providing technical guidance, support, and expertise to mechanical design engineers
  • Conducting technical reviews of design work produced by design engineers and providing constructive feedback to support their professional development
  • Sharing knowledge and best practices to enhance team capability and design quality
  • Coordinating design activities across the mechanical engineering team to ensure timely delivery of design information and technical documentation
  • Utilising design templates, engineering software, and calculation tools to complete technical analysis and support the equipment selection process
  • Liaising with suppliers and production of procurement specifications for mechanical equipment
  • Liaise between Process, Draughting, Electrical and Civil & Structural Designers
  • Ensuring all engineering design documentation complies with project Quality Plans, technical standards, and project-specific requirements
  • Contributing to the development and improvement of design standards, templates, and technical procedures

Generating company summary.

Company Size

10,001+

Company Stage

IPO

Headquarters

Aubervilliers, France

Founded

1853

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Simplify Jobs

Simplify's Take

What believers are saying

  • Veolia raised 2026 current net income guidance to at least 8% on July 30.
  • August 26, 2026 bond demand hit €3.4 billion, validating Veolia's credit access.
  • Amazon Mississippi reuse project begins in 2027, expanding Veolia's AI-water franchise.

What critics are saying

  • Colorado Supreme Court upheld Antero's fraud claim against Veolia Water Technologies on June 23, 2026.
  • Veolia's net debt reached €24.5 billion after Clean Earth, limiting flexibility before 2027.
  • Middle East water-technology delays expose execution risk if geopolitics persist through 2026.

What makes Veolia unique

  • Veolia spans water, waste, and energy across 50+ countries, reducing customer switching.
  • GreenUp ties municipal contracts to decarbonization, reuse, and circularity economics.
  • Data Center Resource 360 embeds Veolia inside AI infrastructure buildouts, not commodity utilities.

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Benefits

Paid Vacation

Paid Sick Leave

Phone/Internet Stipend

Company News

MarketScreener
Aug 27th, 2026
Veolia raises $1.3B in oversubscribed senior bond offering with $3.8B orders

Veolia has completed a €1.15 billion senior bond offering across two tranches. The issuance comprises €650 million with a four-year maturity at a 3.678% coupon and €500 million with an eight-year maturity at a 4.088% coupon. The transaction attracted over 250 orders totalling €3.4 billion. The public services group said the substantial oversubscription, investor quality and favourable terms reflect positive market perception of Veolia's credit profile and international growth prospects, as well as its financial strength.

Yahoo Finance
Jul 30th, 2026
Veolia posts 10.4% net income growth in H1 2026, raises full-year guidance to 8%

Veolia Environnement reported revenue of €22.93 billion for the first half of 2026, up 1.5% at constant scope and foreign exchange, excluding energy prices. The company's EBITDA reached €3.55 billion, rising 5% with margins improving by 70 basis points to 16%. Current net income grew 10.4% at constant scope and forex, whilst net free cash flow improved by €164 million compared to the same period in 2025. The company achieved €195 million in efficiency gains during the period. Veolia completed its acquisition of Cleaners in the United States, which contributed to net financial debt of €24.5 billion. The company raised its full-year 2026 current net income growth guidance to at least 8%, citing strong operational performance and well-controlled financial charges. Revenue growth in water technology faced temporary delays in the Middle East due to geopolitical tensions.

FinanzNachrichten.de
Jun 23rd, 2026
Veolia launches $452M non-dilutive cash-settled convertible bonds due 2032

Veolia Environnement has launched a €400 million offering of non-dilutive cash-settled convertible bonds due January 2032. The bonds will be offered exclusively to qualified institutional investors through an accelerated bookbuilding process. The synthetic convertible bonds offer exposure to Veolia's share performance but will be cash-settled only, without issuing new shares. The bonds will bear an annual interest rate between 0.50% and 0.75%, with a conversion premium of 20% over a reference share price. Concurrently, Veolia will purchase cash-settled call options to hedge its exposure. The company intends to use proceeds for general corporate purposes, including purchasing the options. BNP Paribas and Natixis serve as joint global coordinators, with BofA Securities, Citigroup and Morgan Stanley as joint bookrunners. Veolia plans to list the bonds on Euronext Access within 30 days.

AInvest Fintech Inc.
Jun 23rd, 2026
Veolia raises $791M through convertible bond offering to refinance 2021 debt

Veolia Environnement has completed a convertible bond offering worth €700 million through private placement without shareholders' preferential subscription rights. The bonds are convertible and exchangeable for new or existing shares, due 15 March 2021. Natixis served as joint global coordinator and joint bookrunner for the transaction, marking the firm's fourth convertible bond of the year. The net proceeds will refinance an outstanding convertible bond due in 2021. The issuance demonstrates investor confidence in Veolia's financial stability following its integration of Suez and ongoing business portfolio transformation. The transaction supports the company's GreenUp strategic plan focused on sustainable growth and ecological transformation.

MarketScreener
Jun 1st, 2026
Enviri spins off New Enviri as standalone public company with $1.2B revenue after Clean Earth sale

New Enviri has launched as a standalone public company following the completion of Clean Earth's sale to Veolia Environnement. The company, led by President and CEO Russell Hochman, provides environmental solutions for industrial waste streams and rail sector equipment and technology. Enviri shareholders received one share of New Enviri common stock for every three shares of Enviri common stock, plus cash per share. Regular Way trading began on 2 June 2026 under the ticker "NVRI" on the New York Stock Exchange. New Enviri expects annualised 2026 pro forma revenues of approximately $1.2 billion and adjusted EBITDA of $140 million. The company has a net debt to adjusted EBITDA ratio of 2.0x and an undrawn revolving credit facility at closing.