Principal Mechanical Engineer

AECOM Bristol, England Mar 30, 2026

Type Contract
Pay Not listed
Work Hybrid
Level Senior

Principal Mechanical Engineer focuses on low complexity delivery route & sdp lot 3 infrastructure frameworks: partnering exclusively with tier 1 contractors to deliver high-quality wastewater infrastructure projects.

What the role involves

  • Low Complexity Delivery Route & SDP Lot 3 Infrastructure Frameworks: Partnering exclusively with Tier 1 Contractors to deliver high-quality wastewater infrastructure projects.
  • Develop feasibility studies, outline and detailed designs.
  • Create design drawings, select mechanical plant.
  • Ensure high technical quality, contribute to bids.
  • Managing project budgets, schedules, and deliverables to meet agreed targets.
  • Design mechanical installations for water and wastewater systems, including pumps, screens, valves, and odour control.

Skills and requirements

  • A degree in Mechanical Engineering with Chartered Engineer status (or working towards it) through a recognised institution like IMechE.
  • Proven expertise in pump station design, piping design, valve selection, hydraulics, producing reviewing, and approving engineering reports, designs, drawings, and specifications.
  • Leadership potential, able to manage direct reports, inspire technical excellence.
  • Exceptional client and stakeholder engagement skills, with experience in team leadership, mentoring, and line management.

Candidate fit

  • technical judgement, safe working habits, careful diagnostics, and practical problem-solving

Additional role context

  • Lot 3 – Multi-Discipline Engineering Design.
  • Southern Water – £3.7 billion Capital Delivery Programme.
  • Strategic Delivery Partner (SDP) Frameworks: Supporting Tier 1 Contractors on.
Career guide

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