01
Electrical systems & power
HV, MV and LV engineering, supply coordination, panels, installation, testing, energisation and lifecycle support for mine and process-plant infrastructure.
View capabilityDRC mining & industrial engineering
Engineering the systems that keep mining operations moving.
One integrated partner for electrical power, instrumentation, automation, electro-mechanical construction, digital mine solutions and lifecycle support.
6integrated capability pillars
7controlled delivery stages
LocalDRC coordination & field response
EPCfrom requirement to handover
Integrated capability
One delivery system. Every critical interface.
CEMS coordinates engineering, supply, fabrication, field execution, testing, commissioning, training and handover through defined package boundaries and disciplined technical control.
02
Instrumentation & measurement
Process measurement from instrument selection and datasheets through installation, calibration, loop testing and commissioning.
View capability
03
Control systems & automation
PLC, SCADA, DCS, HMI, historian, industrial-network and reporting solutions for new installations, migrations and brownfield upgrades.
View capability
04
Electro-mechanical & construction
Integrated mechanical, structural, piping, fabrication and E&I field packages for copper mines, concentrators, hydrometallurgical plants, utilities, water and tailings.
View capability
05
Industry 4.0, IIoT & IT/OT
Practical digitalisation that connects trusted plant-floor data to historian, analytics, predictive insights and decision-support workflows.
View capability
06
Site engineering & lifecycle support
DRC-based coordination, skilled field resources, shutdown support, commissioning, maintenance and practical access to regional engineering and supply routes.
View capabilityBuilt for operating plants
Technical depth with practical site delivery.
Our work is developed around process duty, production constraints, maintainability, approved standards and safe integration into operating assets.
- Multi-discipline interfaces Electrical, I&C, mechanical, structural, OEM and operations stakeholders coordinated together.
- Evidence-led completion Drawings, inspections, tests, redlines, punch closure and handover records.
- Lifecycle thinking Operability, spares, training, condition data and long-term reliability considered from the outset.
Controlled project lifecycle
Clear gates from alignment to handover.
Gate reviews prevent premature commitments and confirm that equipment, documents and interfaces are mature before each release.
- 01Align
- 02Engineer
- 03Procure
- 04Fabricate & FAT
- 05Install
- 06Commission
- 07Handover
Every release has an owner, purpose, approval basis and evidence requirement.
Electrical, I&C, mechanical, structural, OEM and operations boundaries remain visible.
Tests, redlines, punch closure and dossiers progressively prove readiness.
Copper-cobalt applications
Capability across the complete process value chain.
From mining and materials handling through milling, flotation, leaching, SX/EW, water and tailings, each solution is mapped to the process area and its electrical, instrumentation, control and mechanical interfaces.
Mining & extractionCrushing & conveyingMilling & flotationLeachingSX/EWWater & tailings
Explore mining applications
Client value
Local response. Technical control. Lifecycle value.
DRC-based response
Kolwezi coordination, field capability and practical access to regional engineering and supply routes.
One accountable interface
Disciplined requirements, deliverables, interface registers, testing and documented handover.
Technology that fits the duty
Equipment and platforms selected for specification, environment, lifecycle, supportability and total installed cost.
Discuss your requirement
Start a conversationBring us the process area, equipment or system.
Tell us the site, available drawings, required scope, target date and shutdown or compliance constraints. We will structure the next technical step.
Engineering capability
Integrated disciplines. Controlled interfaces.
From concept studies and FEED to detailed engineering, supply, installation, commissioning and maintenance, CEMS brings the technical workstreams together around the plant requirement.
Core disciplines
Capability mapped to how industrial projects are actually delivered.
Every work package is developed against confirmed battery limits, site conditions, approved engineering and agreed acceptance criteria.
01
Electrical systems & power
HV, MV and LV engineering, supply coordination, panels, installation, testing, energisation and lifecycle support for mine and process-plant infrastructure.
Scope
- Load studies, design criteria, SLDs, protection, earthing and power-quality review
- HV/MV/LV switchgear, transformers, substations, UPS/DC and auxiliary power
- MCCs, PCCs, VSDs, soft starters, motor protection and local control stations
- Panel building, cable laying, termination, earthing, testing and energisation
Controlled outputs
- Calculations, SLDs, datasheets and equipment schedules
- GA drawings, schematics, protection settings and inspection plans
- FAT/SAT records, redlines, punch closure and handover dossiers
02
Instrumentation & measurement
Process measurement from instrument selection and datasheets through installation, calibration, loop testing and commissioning.
Scope
- Flow, pressure, level, temperature, density, vibration, speed and position
- pH, ORP, conductivity, turbidity, water quality and analyser interfaces
- Control valves, actuators, positioners, solenoids and pneumatic accessories
- Bench and field calibration, ASi/IO-Link, loop and safety-interface testing
Controlled outputs
- Instrument index, I/O list, datasheets and requisitions
- Loop diagrams, hook-ups, cable and junction-box schedules
- Calibration certificates, SAT sheets, loop packs and as-built records
03
Control systems & automation
PLC, SCADA, DCS, HMI, historian, industrial-network and reporting solutions for new installations, migrations and brownfield upgrades.
Scope
- PLC/DCS architecture, software design, sequences, interlocks and redundancy
- SCADA, high-performance HMI, alarm management, historian and reporting
- Industrial Ethernet, fibre, ASi, IO-Link, gateways and diagnostics
- Obsolescence studies, simulation, FAT, changeover planning, SAT and training
Controlled outputs
- Architecture, I/O mapping, software specifications and backups
- HMI philosophy, alarm lists, historian tags and operational reports
- Network drawings, port schedules, FAT/SAT scripts and change records
04
Electro-mechanical & construction
Integrated mechanical, structural, piping, fabrication and E&I field packages for copper mines, concentrators, hydrometallurgical plants, utilities, water and tailings.
Scope
- Pumps, motors, gearboxes, agitators, crushers, mills, conveyors and drives
- MS/SS tanks, chutes, launders, hoppers, platforms and structural steel
- Carbon-steel, stainless-steel and HDPE process and utility piping
- Mechanical erection, welding, hydraulics, pneumatics and E&I interfaces
Controlled outputs
- Base, grout, alignment, torque, vibration and operational-test records
- Weld maps, NDT, pressure/leak tests, coating and lining records
- Lift plans, ITPs, redlines, as-builts and completion packs
05
Industry 4.0, IIoT & IT/OT
Practical digitalisation that connects trusted plant-floor data to historian, analytics, predictive insights and decision-support workflows.
Scope
- Smart sensing, edge gateways, vibration and power condition monitoring
- AVEVA PI / historian integration, SCADA reporting and tag governance
- Predictive analytics, anomaly alerts, asset health and digital-twin support
- Industrial connectivity, servers, virtualisation, backups and cyber hardening
Controlled outputs
- Production, energy, condition and ESG dashboards
- Asset-health models, alarm rules and maintenance workflows
- Secure architectures, recovery plans and governed remote-support routes
06
Site engineering & lifecycle support
DRC-based coordination, skilled field resources, shutdown support, commissioning, maintenance and practical access to regional engineering and supply routes.
Scope
- Site surveys, supervision, installation, testing and commissioning
- Shutdown planning, work packs, LOTO interfaces and return-to-service control
- Preventive, predictive and corrective maintenance with spares support
- Operator coaching, technician training, SOPs and knowledge transfer
Controlled outputs
- Site reports, completion records, punch management and redlines
- Maintenance priorities, spares recommendations and PM inputs
- Training records, O&M data and final handover dossier
Extended electro-mechanical works
Mechanical capability for copper plants, utilities and brownfield work.
Work fronts are planned around isolation, lifting, access, material compatibility, inspection, testing and controlled return to service.
Conveyors & materials handling
Belt conveyors, feeders, pulleys, idlers, scrapers, drives, chutes, hoppers, belt protection, alignment, tracking and controlled operating trials.
Structural steel & erection
Conveyor galleries, pipe racks, access platforms, equipment supports, lifting coordination, temporary stability, alignment and bolt verification.
Fabrication, tanks & platework
MS/SS tanks, hoppers, chutes, launders, skids, nozzles, supports and platework with controlled fit-up, welding, inspection and protection.
Piping, HDPE & welding
CS, SS and HDPE systems, spools, valves, supports, tie-ins, weld or fusion control, testing, flushing, reinstatement and as-built records.
Rotating equipment & reliability
Pumps, motors, gearboxes and drives: base inspection, soft-foot correction, precision alignment, lubrication, vibration baselines and monitored start-up.
Shutdowns, rehabilitation & heavy erection
Brownfield tie-ins, tank and chute rehabilitation, heavy lifts, outage work packs, LOTO interfaces, controlled dismantling, reinstatement and safe return-to-service verification.
Engineering basis
Standards applied to the agreed scope.
The final design and acceptance basis is confirmed project by project against legislation, client standards, duty, environment and risk.
IEC 60364IEC 61439IEC 62271IEC 60947IEC 60204-1IEC 60079IEC 61511 / 61508IEC 62443 principlesISA-5.1Client specifications
Discuss your requirement
Start a conversationNeed a defined work package or a complete EPC boundary?
Share the process duty, equipment data, drawings and site constraints. CEMS can develop the engineering, supply, construction and acceptance route around your requirement.
Copper-cobalt value chain
Engineered around the process duty.
CEMS supports mine owners, EPC contractors, OEMs and plant operators across mining, processing, materials handling, utilities, water and tailings—with each scope mapped to production constraints and approved standards.
Integrated process support
From ore movement to recovery and responsible water management.
The same process area often combines high-power drives, critical measurements, automation, rotating equipment and mechanical infrastructure. CEMS manages those interfaces as one engineered work package.
Survey the processConfirm the dutyDefine measurement & controlVerify interfacesEngineer for maintainability
Application map
Electrical, measurement and digital capability by process stage.
Typical scope is shown below; the final package is confirmed against the client requirement and site information.
| Process stage | Electrical & power | Instrumentation | Control & digital |
|---|---|---|---|
| 01Mining & extraction | Reticulation, substations, dewatering and mobile power | Grade, environmental, stability and equipment sensors | Fleet, ventilation, safety and connectivity interfaces |
| 02Crushing & conveying | Crusher motors, feeders, conveyors, MCCs and VSDs | Belt scales, speed, position, vibration and metal detection | Sequencing, interlocks, alarms and SCADA visibility |
| 03Milling & flotation | Large drives, protection, auxiliaries and power quality | Density, pressure, flow, level, air and froth measurement | Advanced control, historian trends and performance reporting |
| 04Leaching & reagents | Pumps, agitators, blowers and acid-resistant installations | pH, ORP, flow, level, dosing and analytical systems | Dosing control, permissives, alarms and batch records |
| 05SX/EW & recovery | Rectifiers, busbars, mixers, pumps and tankhouse utilities | Interface level, temperature, flow and cell-voltage monitoring | Short-circuit detection, SCADA and cathode reporting |
| 06Water & tailings | Pump stations, reclaim systems and treatment-plant power | Flow, level, pressure, water quality and geotechnical sensing | Telemetry, remote nodes, historian and compliance dashboards |
Cross-cutting support
The enabling systems around the process.
Production performance depends on more than the primary process equipment. CEMS also supports the infrastructure that makes the value chain operable and maintainable.
Water & utilities
Pump stations, treatment systems, utilities, telemetry, quality instrumentation and power distribution.
Materials handling
Conveyors, transfer stations, protection devices, drives, chutes, access steel and reliability support.
Plant reliability
Condition baselines, precision alignment, predictive inputs, spares planning and controlled maintenance.
Digital operations
Historian, SCADA reporting, dashboards, condition workflows, connectivity and secure OT infrastructure.
Discuss your requirement
Start a conversationHave a process bottleneck, brownfield upgrade or shutdown work front?
We can structure the requirement around duty, interfaces, access, production windows, acceptance criteria and the evidence needed for safe handover.
EPC-grade delivery
Controlled from requirement to operational handover.
CEMS links technical definition, procurement, fabrication, field execution and handover through stage gates, interface control and clear release evidence.
Delivery lifecycle
Seven gates. One controlled baseline.
Each stage has a defined technical purpose and release basis, reducing late interfaces, rework and premature commitments.
- 01Align
- 02Engineer
- 03Procure
- 04Fabricate & FAT
- 05Install
- 06Commission
- 07Handover
-
Gate 01
Align
Confirm process duty, battery limits, shutdown constraints, stakeholders, HSE risks and the execution baseline.
Release evidenceApproved scope basis and execution strategy -
Gate 02
Engineer
Verify the field, complete calculations and multi-discipline design, resolve interfaces and release the IFC package.
Release evidenceIFC package and procurement data released -
Gate 03
Procure
Issue requisitions, evaluate bids, approve vendor data, inspect manufacture, expedite and coordinate logistics.
Release evidenceVendor data approved and release-to-ship authorised -
Gate 04
Fabricate & FAT
Build panels, software, steelwork and pipework; complete inspection, NDT, FAT and controlled punch closure.
Release evidenceFAT accepted and site shipment authorised -
Gate 05
Install
Execute structural, mechanical and E&I work under permits and LOTO, with inspections, redlines and completion packs.
Release evidenceMechanical completion and system turnover -
Gate 06
Commission
Complete energisation, loops, SAT, interlocks, wet tests, performance proving and operator training.
Release evidenceReady-for-operation and performance acceptance -
Gate 07
Handover
Close as-builts, backups, O&M data, spares, warranties and the final dossier, then establish lifecycle support.
Release evidenceAccepted dossier and reliability-support baseline
Project controls
One reporting rhythm across every discipline.
The project manager coordinates discipline leads, suppliers, field resources and client stakeholders through integrated scope, programme, cost, procurement, risk, quality and document control.
Scope & interfaces
WBS, battery limits, responsibility matrix, assumptions and interface registers
Programme & progress
Baseline schedules, milestones, look-ahead planning, progress measurement and recovery actions
Cost & change
Commitments, forecast, change registers, variation substantiation and approval thresholds
Procurement
RFQ plans, technical bid evaluation, vendor data, expediting, logistics and delivery tracking
Risk & decisions
Risk workshops, treatment owners, decision logs, action tracking and escalation routes
Documents & handover
Numbering, revision control, transmittals, MDR/SDRL, as-builts and final dossier index
Quality, HSE & sustainability
Safe work. Compliant installation. Verifiable completion.
Quality and HSE are embedded in engineering and execution planning, with project-specific assurance documents, risk controls, inspection points and evidence packs.
Build quality into the work pack
Quality plans, ITPs, supplier surveillance, material traceability, NCR control, corrective action and lessons learned.
Control the energy and the workfront
HIRA, method statements, permits, LOTO, lifting, work at height, line breaks, incident reporting and emergency readiness.
Deliver responsibly
Waste and spill controls, energy efficiency, water monitoring, responsible sourcing, local employment, skills transfer and sustainable handover.
Flexible engagement
Support the complete package—or the stage where you need depth.
The engagement model is selected around scope maturity, delivery strategy, risk allocation, schedule, shutdown constraints and procurement requirements.
EPC / turnkey package
Integrated engineering, procurement, construction, testing, commissioning and handover with defined battery limits.
Engineering & design support
Concept studies, FEED, audits, surveys, design verification, detailed design and tender packages.
Supply, panel build & installation
OEM equipment, MCC/PCC/VSD, PLC/SCADA/marshalling panels, instruments and field installation.
System integration
PLC, SCADA, DCS, networks, historian, migration, FAT, SAT, training and support.
Site engineering & shutdowns
Surveys, supervision, installation, testing, commissioning, troubleshooting and start-up assistance.
Lifecycle & maintenance
Preventive, predictive and corrective maintenance, RCM, calibration, spares and remote/on-site support.
Starting an engagement
A clear route from requirement to executable scope.
- 01Share the requirement, available drawings, equipment data, site, timing and expected boundary.
- 02CEMS reviews scope maturity, interfaces, compliance needs, site conditions and information gaps.
- 03A focused clarification list, site-survey plan or proposal basis is agreed.
- 04The technical and commercial submission defines inclusions, exclusions, assumptions, schedule and acceptance criteria.
- 05Following award, execution is controlled through reviews, approvals, reporting and handover.
Discuss your requirement
Start a conversationTurn a complex requirement into a controlled delivery plan.
Send the available scope and constraints. CEMS will identify the key interfaces, technical information gaps and the next practical release step.
Technology & OEM experience
Fit-for-duty technology. Traceable supply. Lifecycle value.
Platforms and product families are selected against the project specification, environmental duty, lifecycle status, maintainability, spares strategy, local support and total installed cost.
Platform experience
Industrial technology mapped to the application.
CEMS works across established product families and integrates them into controlled electrical, automation, instrumentation, data and mechanical packages.
PLC / DCS / SCADA
Siemens SIMATIC, PCS 7 / PCS neo and WinCC; Rockwell ControlLogix / FactoryTalk; Schneider / AVEVA / Wonderware; ABB and Emerson DCS; CEMS SCADA Suite.
Typical application
Plant control, migration, high-performance HMI, historian, redundancy, remote I/O and reporting.
Drives & power
Siemens SINAMICS; ABB ACS; Schneider Altivar; Rockwell PowerFlex; Nidec drives and motors; LV/MV distribution and protection equipment.
Typical application
Pumps, conveyors, crushers, mills, agitators, fans and process auxiliaries.
Process instruments
Endress+Hauser, Emerson, VEGA, WIKA, Krohne, ifm, Fisher and equivalent approved technologies.
Typical application
Flow, level, pressure, temperature, analytics, control valves and condition monitoring.
Data & OT infrastructure
AVEVA PI System, CEMS SCADA reporting, industrial servers, Dell infrastructure, virtualisation, backup and cybersecurity technologies.
Typical application
Historian, dashboards, predictive analytics, engineering systems and OT resilience.
Mechanical packages
Motors, pumps, valves, actuators, Fisher control valves, hydraulics, pneumatics and packaged equipment from approved OEMs.
Typical application
Process, water, tailings, utilities and maintenance applications.
Digital mine & Industry 4.0
Connect. Contextualise. Analyse. Act.
Digital value starts with trustworthy measurement, disciplined tag structures, secure architecture and clearly defined operating actions—not dashboards alone.
IIoT & condition monitoring
Smart sensors, edge gateways, vibration and power monitoring, alarm rules and maintenance workflows.
Historian & dashboards
AVEVA PI integration, CEMS SCADA reporting, contextualisation and production, energy, condition and ESG views.
Predictive analytics
Data-quality assessment, asset-health models, anomaly alerts, scenario analysis and digital-twin support.
Industrial connectivity
Fibre, industrial Ethernet, ASi, IO-Link, gateways, secure remote support and private-LTE interfaces.
OT infrastructure
Industrial servers, engineering workstations, virtualisation, backup, recovery, cyber hardening and managed support routes.
Selection discipline
Manufacturer and model are frozen through engineering control.
Final selections are released only after the technical and commercial basis has been reviewed and deviations have been closed.
- Specification compliance and suitability for process duty
- Environmental rating and hazardous-area requirements
- Integration compatibility and cybersecurity alignment
- Lifecycle availability, spares and maintainability
- Support route, delivery risk, warranty and total installed cost
- Approved datasheets, technical evaluation and client/engineer release
Discuss your requirement
Start a conversationPlanning a migration, SCADA upgrade or digital-mine initiative?
We can assess the installed base, data quality, architecture, lifecycle risk and the practical path from field devices to secure operational insight.
About CEMS SARL
A practical local engineering partner across the mining value chain.
Congo Engineering & Mining Services SARL is a DRC-registered, full-spectrum engineering and solutions provider supporting mines, mineral processing, materials handling, utilities and industrial infrastructure.
Our positioning
Engineering discipline with the agility of a local partner.
CEMS integrates electrical, instrumentation, control systems, electro-mechanical and IT/OT capability from concept and FEED through detailed design, sourcing, installation, testing, commissioning, training and lifecycle optimisation.
Legal nameCongo Engineering & Mining Services SARL
RegistrationRCCM: CD/KWZ/RCCM/26-B-00080
National ID14-F4200-N91682F
LocationKolwezi, Province du Lualaba, DR Congo
Empower DR Congo's industrial sector.
Deliver safe, reliable engineering and technology integration that improves maintainability, productivity and digital readiness.
Be the preferred engineering partner.
Be recognised across DR Congo's mining industry for technical excellence, local capability development and sustainable, productive operations.
How we work.
SafetyIntegrityAccountabilityTechnical excellenceCollaborationContinuous improvement
Why CEMS
Local response without compromising technical control.
The delivery model combines DRC-based coordination and field capability with structured engineering, controlled documents and practical access to regional supply networks.
- One accountable coordination point across electrical, I&C, mechanical and digital packages
- Fit-for-purpose technology and OEM coordination through traceable supply channels
- Panel fabrication, equipped field teams, shutdown support and practical site response
- Training, knowledge transfer, spares support and lifecycle optimisation
Operating principles
The commitments behind every work package.
Confirm the boundary
Scope, responsibilities, assumptions and interfaces are explicit before commitment.
Engineer for the duty
Process, environment, maintainability, compliance and operational constraints drive the solution.
Protect the workfront
Safety, isolation, lifting, access, quality and production-return controls are planned into execution.
Prove completion
Inspection, test evidence, punch closure, training and as-built records support the handover.
Discuss your requirement
Start a conversationLooking for a DRC-based engineering partner?
CEMS can support a focused technical scope, a full work package or the lifecycle stage where you need additional depth and local response.
Careers at CEMS SARL
Engineer the systems that keep Lualaba running.
Electrical, instrumentation, control, automation and electro-mechanical roles supporting copper-cobalt operations across the Democratic Republic of Congo. Every current vacancy is published and maintained on the CEMS HR portal.
Current vacancies
Roles open right now.
This list is read live from the CEMS HR portal, so it always matches exactly what our HR team has published — nothing here is out of date.
Our current vacancies are published on the CEMS HR portal at hr.cemssarl.com.
How postings work
One list, maintained by our HR team.
Positions are created, updated and closed on hr.cemssarl.com. A role appears above the moment it is opened and disappears the moment it is filled or its closing date passes. Each posting states the discipline, site or office base, contract type, required qualifications and the closing date.
Kolwezi officeSite-based rolesProject & shutdown assignmentsArtisan & technician intakeGraduate engineers
Back to the vacancy listWhere we recruit
Disciplines we build teams around.
Openings vary by project and shutdown cycle. These are the areas we recruit into most consistently, at engineer, technician and artisan level.
Electrical & power
MV/LV distribution, MCC and PCC works, protection and earthing, cable engineering, installation supervision and testing.
Instrumentation & control
Field instrumentation, loop checking, calibration, analysers, control valves and commissioning support.
Automation & systems integration
PLC and SCADA configuration, DCS work, industrial networks, historian and migration projects, FAT and SAT.
Electro-mechanical
Rotating equipment, drives and motors, materials handling, mechanical installation and maintenance.
Project & site delivery
Project engineering, planning, QA/QC, document control, site supervision, shutdown coordination and HSE.
Digital & IIoT
Industrial networking, edge and IIoT deployment, condition monitoring, data and reporting platforms.
How we hire
A clear, documented process from application to mobilisation.
Applications are received and tracked on the CEMS HR portal. Shortlisted candidates are contacted directly by our HR team with the next step, the assessment format and the documents required.
No suitable role listed?
Register your profile for future openings.
If nothing on the portal matches your discipline today, send your CV and we will keep it on file against upcoming project, shutdown and permanent requirements.
Please note
CEMS SARL never asks for payment at any stage of recruitment. All genuine vacancies are published on hr.cemssarl.com and all correspondence comes from a cemssarl.com address. Report anything else to [email protected].
Join the team
View current openingsTechnical work, in the field, on real plant.
Copper-cobalt processing, power distribution and control systems across the Lualaba province — with the standards, documentation and safety discipline of an international engineering practice.
Contact CEMS SARL
Start the technical conversation.
Tell us the site, process area, equipment or system, required scope, available drawings, target date and shutdown or compliance constraints.
Congo Engineering & Mining Services SARL
Kolwezi-based coordination for DRC mining and industry.
No. 60, Avenue Lufuna, Quartier Mutoshi, Cellule Latin, Commune de Manika, Ville de Kolwezi, Province du Lualaba, Democratic Republic of Congo
RCCM: CD/KWZ/RCCM/26-B-00080 · ID NAT: 14-F4200-N91682F
How we proceed
A practical next step, based on scope maturity.
We review the information received and recommend the most useful route—clarification, site survey, concept/FEED support, budgetary proposal or firm technical and commercial submission.