Alexandre Manuel Macosa
Luanda
Overview
30
30
years of professional experience
4
4
years of post-secondary education
Work History
Operations Coordinator
Cavisa Oil Lda
01.2025 - Current
- Coordinate cementing operations for oil & gas wells -
- Ensure proper planning of equipment, materials, and personnel.
- Verify pre-job readiness (logistics, safety checks, mixing plans).
- Schedule and track movement of cement units, bulk trucks, and personnel.
- Coordinate with clients and internal departments for job timelines.
- Ensure proper maintenance and availability of cementing units and tools.
- Monitor equipment usage and report any issues or malfunctions.
- Enforce safety protocols and conduct risk assessments.
- Lead or participate in safety meetings and job safety analysis (JSA).
- Maintain accurate records of jobs, equipment usage, and materials.
- Report daily operations, job outcomes, and any incidents.
- Liaise between field crews, supervisors, and technical teams.
- Provide guidance and logistical support to field teams.
- Knowledge of cementing equipment and procedures.
Seahawk cement Unit operator and mechanic
Cavisa Oil
11.2021 - Current
- Operate the unit for pressure tests and pumping fluids, repair and maintenance the unit and help a cementer during a cement job.
Assembly maintenance and overhaul maintenance mechanical technician / Nitrogen pump and cement unit operator
Baker Hughes
Luanda
11.2013 - 01.2020
- Operate cement and nitrogen unit for pressure tests and pumping fluids.
- Overseeing the activities of maintenance team, scheduling and prioritising job schedules.
- Job planning on predictive and preventive maintenance.
- Hands on jobs several equipment’s, Cementing, coil tubing, frac pumps, centrifugal pumps, stimulation pumps, engines, transmissions, power ends, fluid ends and liquid Nitrogen equipment, stimulation vessels [Boats].
- Unit installations, overhauling of engines and unit refurbishments.
- Expert on computerized maintenance management system tracking and equipment maintenance system tracking.
- Ensuring that health and safety standards and practices are implemented and maintained.
Heavy Duty Equipment Mechanic
Trans fuel
01.2011 - 12.2012
- Working on heavy duty tracks engines, perform maintenance and repair activities on various pieces of heavy-duty equipment, include heavy-duty tracks and semi tractors.
- Performs routine maintenance checks and adjustments on such things as fluid levels, hoses, belts, brakes, tires, and clutches; changes filters and oil, and lubricates vehicles and motor driven equipment.
- Clean, lubricate, and perform other routine maintenance work on equipment and vehicles.
- Test mechanical products and equipment after repair or assembly to ensure proper performance and compliance with manufacturers' specifications.
- Repair and replace damaged or worn parts.
- Operate and inspect machines or heavy equipment in order to diagnose defects, diagnose faults or malfunctions to determine required repairs, using engine diagnostic equipment such as computerized test equipment and calibration devices.
- Dismantle and reassemble heavy equipment using hoists and hand tools.
- Ensuring that health and safety standards and practices are implemented and maintained in the workshop facilities Compliance with HS&E policies and procedures.
Maintenance Technician Mechanic
Sodiam/LKI
01.2005 - 05.2010
- Repair and Maintenance all mechanical equipment.
Maintenance Technician mechanic MT2
Schlumberger
02.2000 - 10.2004
- General maintenance planning, quality maintenance services, training of peers and maintenance organizations.
- Identifying problems before they escalate to become SQ issues.
- General equipment’s maintenance on miscellaneous offshore and onshore pump equipment’s, coil tubing equipment’s, stimulation equipment’s, hydraulics pneumatics and mechanical engines.
- Maintenance on N2 plants and advance coil tubing equipment’s with new breed electro mechanical system.
- Detail predictive and proactive maintenance culture implementation for healthy equipment has to optimize.
- Ensuring that health and safety standards and practices are implemented and maintained.
Maintenance Technician Mechanic/ Elect Generators
Lazare Kaplan International
02.1998 - 01.2000
- Performing scheduled routine maintenance such as observing refueling of generators as well as changing oil and filters.
- Responsible for providing lists of alternators, spare parts for diesel engines, control panels and required tools and equipment.
- Perform emergency repairs of generators.
- Handle responsibilities of monitoring tools, equipment and spare parts inventory.
- Responsible for ensuring use of spare parts in most effective and productive manner.
- Performing any other related duties as assigned from time to time assist mechanic in repairing and maintaining generators.
- Handle tasks of modifying, rebuilding and designing various tools and equipment.
- Responsible for determining new experiment under the supervision and instructions of senior technicians.
- Handle responsibilities of maintaining logs, records and various files related to technical information.
- Responsible for maintaining preventive measures on the diesel power generators as well as associated components like cooling, lubrication and fuel systems.
- Responsible for changing damaged electrical motors.
- Perform tasks of inspecting and installing racking for storage.
- Ensuring that health and safety standards and practices are implemented and maintained.
Generator Mechanic
UN Mission in Angola/ UNAVEMIII/ MONUA
01.1996 - 10.1998
- Hands on manufacture, maintenance, installation, service and repair to a varied range of diesel driven generating sets, diesel generator control systems and associated equipment including interpret and analyze characteristics of oil samples.
- Identify wet stacking problems in gasoline and diesel engines.
- Record and track the transporting of materials.
- Rig and handle heavy objects.
- Operate cranes and forklifts.
Education
Maintenance Technician M/E -
Kellyville SLB training center
Oklahoma, USAIndustrial Hydraulics -
Kellyville SLB training center
Oklahoma, USASTEM II -
Kellyville SLB training center
Oklahoma, USASTEM III -
Kellyville SLB training center
Oklahoma, USAHydraulics for Coil Tubing -
Hydra Rig Company
Dallas, USAAdvanced Maintenance Training -
Baker Hughes training center
DubaiFoam cement operations -
Baker Hughes
Luanda, AngolaHigh School Diploma -
Instituto Nacional De Pescas
Namibe Angola 09.1993 - 07.1997
Skills
- Coordinate
- Cement
- Stimulation
- N2 Pump Operator
- Mechanical Technician
Training
- Maintenance Technician M/E, Kellyville SLB Training Center, Oklahoma, USA
- Industrial Hydraulics, Kellyville SLB Training Center, Oklahoma, USA
- STEM II (Periodic) and STEM III (Annual) Maintenance Inspection Process, Kellyville SLB Training Center, Oklahoma, USA
- Hydraulics for Coil Tubing, Hydra Rig Company, Dallas, USA
- Seahawk Cementing Unit Advanced Maintenance Training, Baker Hughes Training Center, Dubai
- Foam Cement Operations, Baker Hughes, Luanda, Angola
Languages
- Portuguese
- English
Timeline
Operations Coordinator
Cavisa Oil Lda
01.2025 - Current
Seahawk cement Unit operator and mechanic
Cavisa Oil
11.2021 - Current
Assembly maintenance and overhaul maintenance mechanical technician / Nitrogen pump and cement unit operator
Baker Hughes
11.2013 - 01.2020
Heavy Duty Equipment Mechanic
Trans fuel
01.2011 - 12.2012
Maintenance Technician Mechanic
Sodiam/LKI
01.2005 - 05.2010
Maintenance Technician mechanic MT2
Schlumberger
02.2000 - 10.2004
Maintenance Technician Mechanic/ Elect Generators
Lazare Kaplan International
02.1998 - 01.2000
Generator Mechanic
UN Mission in Angola/ UNAVEMIII/ MONUA
01.1996 - 10.1998
High School Diploma -
Instituto Nacional De Pescas
09.1993 - 07.1997
Maintenance Technician M/E -
Kellyville SLB training center
Industrial Hydraulics -
Kellyville SLB training center
STEM II -
Kellyville SLB training center
STEM III -
Kellyville SLB training center
Hydraulics for Coil Tubing -
Hydra Rig Company
Advanced Maintenance Training -
Baker Hughes training center
Foam cement operations -
Baker Hughes