

Aventa
Subsea pipeline engineer
Client Office
Milan, Italy (5 days / week)
Permanent
As soon as possible
Based on experience
Published 3 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.