Senior Mechanical Engineer

Green Umbrella Recruitment
Muscat Full time Jun 2, 2026
Engineering Project Management Mechanical Engineering Engineering Project Management
The role is a Head Office position providing mechanical
engineering authority from early-stage design and method review through to
pre-commissioning, commissioning and handover. The individual will act as the
primary technical reference for all mechanical scopes across the project
portfolio, with particular emphasis on wind turbine installation engineering,
major component handling, drivetrain and nacelle systems, solar mounting and
tracker mechanical works, and BESS thermal and mechanical integration. Effective
coordination with civil, structural, electrical and controls disciplines is a
core requirement of the role. ResponsibilitiesMechanical
Design Authority & Technical Governance•     Act as mechanical design authority
for all mechanical scopes across the wind, solar PV and BESS project portfolio,
including turbine installation, major component handling, balance-of-plant
mechanical systems, solar mounting structures, tracking systems and BESS
enclosure and thermal systems.•     Define, maintain and enforce Owner
mechanical design standards, installation philosophies, acceptance criteria and
quality benchmarks for all mechanical works.•     Review, challenge and approve EPC
contractor and OEM mechanical designs, engineering drawings, installation
procedures, technical specifications and material submittals.•     Evaluate OEM installation manuals,
technical requirements and warranty provisions to ensure construction
methodology compliance across all mechanical scopes.•     Identify constructability
constraints and optimisation opportunities during design and pre-construction
review phases, proposing practical and cost-effective engineering solutions.•     Maintain a structured technical
submittal register, RFI log and NCR tracker across all active mechanical scopes
and projects. Wind Turbine
Installation Engineering•     Lead technical review and approval
of wind turbine erection methodologies covering tower section assembly, nacelle
lift and installation, hub assembly, blade handling and full rotor installation
sequences.•     Review and approve lift plans,
crane selection justifications, rigging arrangements, lifting spreader beam
calculations and dynamic load assessments for all major WTG component lifts.•     Evaluate turbine installation
method statements for compliance with OEM requirements, site-specific
conditions, wind speed limitations, crane pad design and access route
constraints.•     Review drivetrain and nacelle
mechanical interface documentation: main shaft, gearbox, generator, yaw system,
pitch system and auxiliary mechanical components.•     Assess mechanical installation
tolerances, alignment procedures, bolt torque specifications and
pre-commissioning mechanical checks for all WTG systems.•     Coordinate with the turbine OEM on
technical queries, installation deviations, non-conformances and
warranty-critical mechanical requirements throughout erection and
commissioning.•     Review and approve
pre-commissioning inspection records, mechanical completion certificates and
readiness documentation for WTG handover to the commissioning team. Solar PV
Mechanical Systems – Mounting Structures & Trackers•     Lead technical review and approval
of solar PV fixed-tilt and single-axis tracker (SAT) mechanical installation
methodologies, including structural assembly sequences, module installation,
drive unit installation and torque tube alignment.•     Review tracker OEM mechanical
interface requirements: drive mechanism, motor mounting, control linkages, stow
position settings and wind survival criteria.•     Evaluate solar mounting structure
assembly procedures for structural tolerance compliance, bolt torque
requirements, module clamp specifications and anti-corrosion system
requirements.•     Assess mechanical handling
procedures for PV modules including transport, unloading, staging and
installation methods to prevent damage and ensure warranty compliance.•     Review ITP requirements for solar
mounting structure and tracker mechanical works including dimensional checks,
torque verification, alignment surveys and functional testing.•     Coordinate with solar tracker OEMs
on installation queries, deviation management and warranty-critical mechanical
and drive system requirements. BESS Mechanical
Systems & Thermal Management•     Lead technical review and approval
of BESS container and enclosure installation methodologies including transport,
unloading, positioning, levelling, anchoring and inter-container mechanical
connections.•     Review BESS thermal management
system designs and installation specifications including HVAC units, cooling
systems, ventilation arrangements and temperature monitoring integration.•     Evaluate BESS mechanical interface
documentation: container structural connections, cable entry management, fire
suppression system mechanical interfaces and access door and personnel safety
provisions.•     Assess mechanical risks associated
with BESS installation including thermal runaway containment provisions,
pressure relief arrangements and emergency ventilation design.•     Review pre-commissioning
mechanical checks for BESS enclosures: cooling system operational verification,
door sealing integrity, drainage provisions and containment bund inspections.•     Coordinate with BESS integrators
and OEMs on technical installation queries, deviation management and
warranty-critical mechanical requirements. Heavy Lift &
Rigging Engineering•     Review and approve lift plans for
all critical and non-routine lifts across wind, solar and BESS scopes,
including crane selection, ground bearing pressure calculations, lift radius
assessments and rigging configuration reviews.•     Evaluate crane manufacturer
specifications, load charts and site-specific capacity assessments for crawler
cranes, mobile cranes and specialised WTG erection cranes.•     Review rigging equipment
certifications, lifting tackle inspection records and proof load test
documentation for all project lifting equipment.•     Conduct or chair lift risk
assessments (HAZID/HAZOP for critical lifts) and review toolbox talks and
pre-lift briefing documentation.•     Ensure all lifting operations
comply with applicable lifting standards including LOLER, ASME B30, ISO 4306
and relevant local regulatory requirements. Construction
Quality Assurance & Site Support•     Review and approve construction
method statements, inspection and test plans (ITPs) and quality control
procedures for all mechanical works across wind, solar and BESS scopes.•     Conduct technical site visits to
review mechanical installation progress, verify compliance with approved
methods, assess workmanship quality and provide on-site engineering guidance.•     Manage mechanical non-conformance
resolution (NCRs), engineering queries (RFIs) and technical clarifications
during construction and commissioning phases.•     Review equipment certification
documentation: material certificates, factory acceptance test (FAT) records,
dimensional inspection reports and OEM factory test certificates.•     Support pre-commissioning and
commissioning activities for all mechanical systems, ensuring mechanical
completion readiness prior to energization and operational testing. Interface
Coordination & Multi-Discipline Integration•     Coordinate with structural
engineers on mechanical-structural interfaces: WTG foundation embedment ring,
tower base interface, nacelle bed frame connections and BESS container anchor
systems.•     Coordinate with electrical
engineers on mechanical-electrical interfaces: cable gland entries, conduit
routing through mechanical enclosures, earthing connections on rotating
equipment and BESS container electrical interface panels.•     Coordinate with controls and SCADA
teams on mechanical system sensor installations, actuator interfaces and data
communication connections for WTG, tracker drive systems and BESS HVAC.•     Coordinate with procurement on
technical evaluation of mechanical equipment suppliers, OEM tenders, lifting
contractor pre-qualification and mechanical subcontract packages.•     Provide mechanical engineering
input to engineering risk assessments, value engineering reviews and
lessons-learned processes across the project portfolio.RequirementsGeneral Experience Minimum 10–15 years of
professional experience in mechanical engineering within renewable energy,
power generation or heavy industrial projects.Minimum 7 years of direct
experience on utility-scale renewable energy projects, with demonstrated
coverage of wind turbine installation and at least one of solar PV or BESS
mechanical scopes.Proven experience working in a
Head Office or Owner’s Engineer capacity with design review, method approval
and technical authority responsibilities.Experience working under EPC,
multi-contract or Owner-managed delivery models.​Experience working with Owners, IPPs, EPC contractors, WTG OEMs, solar
tracker OEMs, BESS integrators or specialist mechanical consultantsPreferred Requirements•     Professional Engineering
registration (IMechE, ASME or equivalent) or Chartered Engineer status.•     Master’s degree in Mechanical
Engineering or Renewable Energy Systems.•     Experience as Owner’s Engineer or
Mechanical Technical Authority on wind or solar projects.•     Appointed Person (Lifting
Operations) certification or equivalent lifting engineering qualification.•     Experience in GCC utility-scale
renewable energy or industrial construction projects.•     Familiarity with lifting
engineering software (LICCON, Loadmaster or equivalent).•     FIDIC or equivalent international
contract framework working knowledge.

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