Jonathan Grey
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Jonathan Grey Email & Phone Number

Engineering Manager at Wrentech at Wrentech
Location: Ireland 10 work roles 3 schools
1 work email found @scarlettsfuel.com LinkedIn matched
✓ Verified Jul 2026 4 data sources Profile completeness 100%

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Current company
Role
Engineering Manager at Wrentech
Location
Ireland
Company size

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Jonathan Grey is listed as Engineering Manager at Wrentech at Wrentech, a with 4 employees, based in Ireland. AeroLeads shows a work email signal at scarlettsfuel.com and a matched LinkedIn profile for Jonathan Grey.

Jonathan Grey previously worked as Engineering Manager at Wrentech and Commissioning Engineer at Pfizer. Jonathan Grey holds Class 1 Unlimited Chief Engineers Coc from Cork Institute Of Technology.

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Email format at Wrentech

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{first}.{last}@scarlettsfuel.com
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Profile bio

About Jonathan Grey

Marine/Plant engineer & company director with over 20 years experience both ashore & at sea.Honest, trustworthy, hardworking & conscientious. Pride myself with excellent people skills while working with various nationalities worldwide.

Listed skills include Marine Engineering, Maritime Operations, Maritime, Petroleum, and 13 others.

Current workplace

Jonathan Grey's current company

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Wrentech
Wrentech
Engineering Manager at Wrentech
cork, munster, ireland
Website
Employees
4
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10 roles · 28 years

Jonathan Grey work experience

A career timeline built from the work history available for this profile.

Engineering Manager

Current

Carrigaline, County Cork, Ireland

- Managing, motivating & guiding a team of 5 in pharmaceutical equipment sales, technical service & spare parts.- Working across pharma, life science, food, beverage & dairy sectors. - Supply of various equipment inc GMP goods lifts, parts washers, high containment valves, powder blending/transferring, mixing, spray drying, roll compactors, tablet Coaters, fluid beds, big bag handling, conveying, filling applications, isolators, bio safety cabinets, bio-waste decontamination, CIP, various process valves & various end of line packing solutions. - Working with leading Pharma organisations and engineering firms from concept stage to detailed design, vendor selection, build, FAT, delivery & SAT. - Survey of sites with clients, FED / feasible studies, selection of equipment inc trials. - Visiting vendor sites with end customer. - Developing service contracts, inc preventive & predictive maintenance schedules, spare parts & breakdown support. - Work with end customers procurement & project management software platforms.

Dec 2021 - Present

Commissioning Engineer

Ringaskiddy Api Plant

• Liaising with project managers and project stakeholders• Generation, execution and completion of Project Verification Documents for new and modified equipment. • Liaise with project managers, automation, mechanical & electrical engineering, quality control & quality assurance. • Plan and execution of commissioning activities in adherence to GMP regulations & site safety procedures. • Hands on testing and troubleshooting of equipment & instruments. • Generate Project Deviations and Non-Conformances. • Generate of System Acceptance Release Reports (SARR)• Coordinating with plant personnel regarding schedule and equipment handovers. • Assist with post project change control approval. • Proficient in the use of DocuSign and Delta V.

Mar 2021 - Dec 2021

Project Engineer

Irving Oil Whitegate Refinery

Reviewing user requirement specification (URS) prior to project kick-off. (Where a URS was not available working with the end users to develop the URS).- Developing the project execution plan (PEP) to ensure that the project’s objectives and phases are clearly defined.- Ensuring that project quality plans (PQP) and inspection and test plans (ITPs) are in place.- Chairing project kick-off and progress meetings.- Keeping detailed written records of meetings and project communications.- Developing project estimates and time lines for the capital application and approval process.- Researching and presenting alternatives as part of the project approval process.- Co-ordinating a multi-discipline design team and specialist designers.- Ensuring that where possible risks are removed in the design stage and that any residual risks are identified and communicated in the design risk assessments and preliminary health and safety plan.- Where applicable inputting into constructability reviews.- Breaking the project into work packages and requesting quotations from vendors and contractors.- Raising requisitions and getting the necessary purchase orders in place prior to any works commencing.- Drafting and monitoring detailed, resource loaded schedules (Level 3) for the design, procurement, execution and handover of the project.- Working with the construction management team (CMT) and contractors to ensure that safety, schedule, cost and quality are monitored and controlled throughout the process.- Writing and issuing regular project and cost reports.- Reviewing and compiling the project handover file at the end of the project.

Feb 2020 - Mar 2021

Marine Engineer

Brazil, Guyanna, Malaysia, South Africa & Europe

2nd Engineer my responsibilities include:• Monitoring the power plants controls and power distribution; ensure that power is available at all times. • Visual inspections of equipment & diagnosis of actual & potential malfunctions, ensuring potential hazards and abnormal operating conditions are addressed quickly and that any deteriorating conditions are reported. Dealing with all aspects of fuels & oils.• Implementation of the Preventive Maintenance System (PMS). Maintaining PMS records, ensuring the quality and timeliness of preventive maintenance. Equipment reviews and spare parts inventories and identifying & improving critical parts list. • Upholding safety and environmental compliance requirements. Complying with Oil & Gas HSE legislation. Working and continuous improvement of the HSE Management System. Carried out inspections and audits in accordance with the HSE Management System requirements.• Developing and implements Job Safety Analysis and prepares hazard assessments as required. • Vessels operating manual and regulatory codes.

Oct 2014 - Dec 2019

Marine Engineer

Marine Engineer

Europe & Mediterranean

Relief Second & Third EngineeringP&O RO-RO PAX: August 2014 to September 2014.• As second & third engineer (ERO) on board the P&O Causeway, directly reporting to the Chief Engineer. I was responsible for the operation four main engines (Wartsila 12V38), two generators (Daihatsu 6DICM28F) and two shaft alternators and associated system components.• I was directly responsible for the operation and maintenance of all machinery while on watch. The plant consists of low pressure boiler which can run on HFO & MGO, purifiers running on HFO & MGO, air compressors & receivers, fuel tanks, pumps (inc all filters & strainers), hydraulics systems for bow, stern, shell doors & winches, sewage treatment plants & galley food macerators, refrigeration and air conditioning, bow thrusters, stabilizers, galley equipment, CPP hydraulic system, bilge system, stern tube sealing and steering system.• Manage daily operation of the engine room & technical team. Supervise work is carried out safely, correctly and on time. This includes all HSE management. • Operating preventive maintenance system. Inventory of all the ships mechanical parts. 90M Super Yacht• As third engineer on board a 90M Super Yacht, directly reporting to the Chief Engineer. I was responsible for the operation of 690V diesel electric plant. Consisting of 8 X MWM/Deutz TBD 616 V16 generators supplying power to two ABB Azipods motors with DP capability.• Operation system: Kongsberg with the ability to operate in U.M.S.• Operating and improving the Preventive Maintenance System inc all electrical & mechanical parts inventory. The system was linked to the main Kongsberg system and was updated constantly.

Apr 2014 - Sep 2014

Founder / Technical Director

G-Energy / G Fuel & Marine

Ireland

• The company provided services included Marine Engineering & Petrochemical solutions to marine & land based companies. These companies included pharmaceutical, ports, shipping companies, hospitals, data centers, government bodies & more. • This service also included marine engine work along with Petrochemical work such as, sampling and testing of fuel & Oil quality, mobile filtrating of the fuel & Oil, alterations to storage tanks including the installation of fixed separation equipment such as GEA/Westfalia separators & other separators systems, tank gauging systems and more. We have also services and maintained fixed emergency/back-up generators.• We have also provided services & “turn-key” solutions to the Irish Naval Service. This included internal & external cleaning of their main fuel storage tanks with a total capacity of 8 million liters. It also included surveying and NDT testing of the tank walls and floor plates, replacement of valves and large gaskets on main tank inspection doors.

Jan 2010 - Jun 2014

Co-Founder / Director

Complete Marine Solutions Ltd

Ireland

• Our services included various marine work inc Project Management of shipping projects.Projects included dry dockings of large ferry’s & cruise ships, oil rig standby vessels & tugs in France, Spain & Ireland.• We completed a contract for Maersk in Normandy which took approx. two months. This work involved running outfitting contracts for the ship owners. We managed the contractors and worked with DNV giving the ship owner (our client) a full turn-key service. • This work included pipework installation (fresh water, grey, black etc...), fire alarm systems cabling and detector heads, all electric cabling, lighting, ventilation/AC systems and ducting.

Feb 2007 - Jan 2010

Marine Engineer / Hotel Engineer

Cape Canaveral Florida / Bahamas

2nd Engineer• As second engineer on board the Disney Wonder, directly reporting to the Chief Engineer. I was responsible for the operation of 6.6KV, 50MW diesel electric plant. Consisting of 5 X MAN V48/60CR and two GE 6.6KV motors driving two propellers. While on watch I was responsible for all plant including, flash evaporators, reverse osmosis plants, Separators, air compressors, hydraulics, sewage treatment plants, fresh water monitoring and dosing, refrigeration and air conditioning.• This ship had a GT of 83,000 and multiple engine rooms.

Jan 2006 - Jun 2006

Marine Engineer

Dublin, Ireland & Uk.

2nd Engineer• As the Second Engineer officer on-board the Irish Ferries HSC (High Speed Craft) “Jonathan Swift” I was responsible for the ongoing maintenance and operation of all the technical requirements for the vessel. This also included the bunkering of fuel & oils.• Technical details: 4 x CAT3618 V 18 high speed engines, generating total of 28,000 KW @ 1050 rpm. The engines propelled 4 x KaMeWa 112 SII water jets through 4 x Reintjes VLJ 6831 gear boxes. The KaMeWa jets pumped a total of 60m3 of sea water a second giving it a service speed of 40knts. • Overseeing the vessels planned maintenance and purchasing system (AMOS-Windows), along with breakdown repair.• Responsibility for instruction and training of staff in areas such as Engine room procedures and Fire party / Emergency response team.

Oct 2003 - Nov 2005

Marine Engineer

Sun Cruises

Europe, Mediterranean & Caribbean

Cadet to 2nd Engineer• Cruise ships built by Wartsilia at the Helsinki Shipyard in Finland. Main engines were 9 cylinder Two Stroke Wartsila-Sulzer Type 9ZH 40/48 - total output 14.560 kW at 450 rpm. Propulsion provided by two KaMeWa Controllable pitch propellers. • Completed major overhaul of fire tube boiler. Inc removal of the front door and associated equipment inc all pipework, and burner overhaul.• Dry dock projects. Completing pipework surveys & writing specs before the dry dock commenced. Hotel Maintenance Engineer / Third Engineer Officer, Sun Cruises Airtours plc: April 2002 to July 2003.• Managing the vessels Hotel Engineering Service Department, with the objective of safe and reliable operation of all equipment / machinery used by both passengers and crew, such as the vessels plumbing and sanitary systems, maintenance of all Galley equipment, sewage treatment and processing plant’s waste food pulp units, Dry waste and incineration.• Leading a team of 3 technical personnel supervising the day-to-day running / maintenance of all Hotel Engineering service related equipment.• Working with Preventive Maintenance System. Ensuring required spare parts inventory levels, and requisitioning for equipment.• Reporting on staff, assessing capabilities and offering instruction, training and guidance when necessary.• Maintenance of water makers, both flash evaporators & reverse osmosis types. Water treatment inc calibration of probes and chemical dosing pumps.Fourth Engineer Officer, Sun Cruises Airtours plc: December 2000 to April 2002.• Junior watch keeper of all mechanical & electrical plant. • Responsible for air compressors, oil & fuel purifiers, bulkhead isolation valves, remote operated bilge valves, watertight doors and engine room dampers. • Another responsibility of mine was looking after the lifeboats engines.• Working with Preventive Maintenance System.

1999 - Oct 2003
Team & coworkers

Colleagues at Wrentech

Other employees you can reach at wrentech.ie. View company contacts for 4 employees →

3 education records

Jonathan Grey education

FAQ

Frequently asked questions about Jonathan Grey

Quick answers generated from the profile data available on this page.

What company does Jonathan Grey work for?

Jonathan Grey works for Wrentech.

What is Jonathan Grey's role at Wrentech?

Jonathan Grey is listed as Engineering Manager at Wrentech at Wrentech.

What is Jonathan Grey's email address?

AeroLeads has found 1 work email signal at @scarlettsfuel.com for Jonathan Grey at Wrentech.

Where is Jonathan Grey based?

Jonathan Grey is based in Ireland while working with Wrentech.

What companies has Jonathan Grey worked for?

Jonathan Grey has worked for Wrentech, Pfizer, Worley, Noble Drilling, and Marine Engineer.

Who are Jonathan Grey's colleagues at Wrentech?

Jonathan Grey's colleagues at Wrentech include Jonathan Wren, Javier Mateo Pérez Artiles, and Majella Mccarthy.

How can I contact Jonathan Grey?

You can use AeroLeads to view verified contact signals for Jonathan Grey at Wrentech, including work email, phone, and LinkedIn data when available.

What schools did Jonathan Grey attend?

Jonathan Grey holds Class 1 Unlimited Chief Engineers Coc from Cork Institute Of Technology.

What skills is Jonathan Grey known for?

Jonathan Grey is listed with skills including Marine Engineering, Maritime Operations, Maritime, Petroleum, Management, Safety Management Systems, Engineering, and Shipbuilding.

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