Senior Principal Mechanical Engineer

Responsibilities

• Provide senior technical leadership for the mechanical discipline within the UK water/wastewater treatment design team
• Act as mechanical discipline lead or senior technical authority on complex treatment projects
• Set and maintain mechanical design standards, checking requirements, and design risk processes
• Lead and assure complex mechanical deliverables, equipment strategies, and supplier packages
• Drive integrated coordination across Process, EICA, civil/structural, and MEP teams
• Lead senior client engagement, technical workshops, and design reviews
• Embed modern delivery approaches including digital design, BIM/3D coordination, and automation
• Support project directors with technical risk, scope, resourcing, and budget management
• Build and develop the mechanical sub-team through recruitment and mentoring
• Support business planning, work winning, and bid strategy

Requirements

• BEng/MEng in Mechanical Engineering
• Chartered or Incorporated Engineer status (e.g., IMechE)
• 10–12+ years of relevant mechanical engineering design experience
• Background in water, wastewater, biosolids/bioresources, or oil & gas
• Proven track record leading mechanical design on complex multidisciplinary projects
• Deep expertise in mechanical treatment systems including pumps, pipework, and hydraulics
• Understanding of UK regulated water sector, asset standards, and CDM 2015
• Experience in people development, mentoring, or line management
• Strong client and stakeholder management skills
• Strong digital mindset with experience in BIM/MEP coordination or hydraulic analysis

Preferred Qualifications

• Experience as a mechanical discipline lead or technical director within consultancy or water companies
• Strong UK water sector client network
• Experience in digital treatment design, energy/carbon reduction, or modular solutions
• Experience leading mechanical technical governance or design standards

Benefits

• Highly competitive leadership-level reward package
• Hybrid and flexible working
• 26+ days annual leave plus bank holidays
• Professional development and chartership support
• Global mobility opportunities

About the Company

Egis is a global leader in green infrastructure, designing and delivering intelligent, sustainable infrastructure to address climate challenges and strengthen community resilience across 70+ countries.