

Aventa
Subsea pipeline engineer
Client Office
Milan, Italy (5 days / week)
Permanent
As soon as possible
Based on experience
Published 10 months ago
The Subsea Pipeline Engineer is responsible for the engineering design, verification, installation planning, and operational assurance of subsea pipelines in shallow-water environments. The role ensures technical integrity, compliance with project specifications, safe installation, and interface coordination with structures, subsea production equipment, and offshore construction teams.
Engineering Design & Technical Review
· Perform and review design calculations for pipeline wall thickness, on-bottom stability, free-span assessment, corrosion protection, and burial requirements.
· Review pipeline routing, tie-in configurations, expansion control, and pipeline crossing designs.
· Conduct design verification and ensure compliance with DNV-ST-F101, API, ISO, and project-specific standards.
· Review pipeline materials selection, coating systems, and cathodic protection principles.
Shallow-Water Installation Engineering
· Prepare and review installation procedures for pipe laying (S-lay/barge), shore approach, trenching, jetting, and burial.
· Evaluate environmental conditions and their impact on installation.
· Interface with marine operations teams for vessel readiness and operational limits.
Interface & Coordination
· Coordinate with subsea structures, riser teams, and topsides engineering.
· Provide technical clarification to fabrication and installation contractors.
· Participate in HAZID, HAZOP, and constructability reviews.
Offshore Support
· Conduct offshore surveys, route verification, and as-built data review.
· Provide engineering support during laying, trenching, repairs, and pre-commissioning.
· Prepare daily offshore engineering reports.
Documentation & Deliverables
· Develop design reports, specifications, data sheets, and method statements.
· Review drawings: P&IDs, alignment sheets, isometrics, spools.
· Handle technical queries and contractor documentation.
Project Management & QA/QC
· Monitor contractor progress and quality.
· Participate in FAT, SIT, and material inspection.
· Ensure safety and environmental compliance.
Key Competencies
· Strong knowledge of subsea pipeline design and DNV/ISO standards.
· Understanding of shallow-water installation challenges.
· Ability to review FE modeling (OrcaFlex, PipeLay, Caesar II).
· Strong interface management and offshore experience.