Operational Capability for Critical Systems
About Polymath Sustainment Engineering
Polymath Sustainment Engineering is a consulting and training firm specialising in sustainment engineering, Integrated Logistics Support and In Service Support for organisations whose equipment is complex, critical and costly to operate.
Sectors We Serve
Polymath Sustainment Engineering brings specialist ILS, ISS and lifecycle cost expertise to the most operationally demanding sectors. Each sector has its own availability challenges, regulatory environment and capability gaps — and we understand all of them.
Defence & Security Forces
When sustainment systems lag behind acquisition, it results to low fleet availability, high operating costs and growing dependency on foreign OEM support. We help defence ministries and armed forces build the ILS frameworks, maintenance concepts and logistics systems that turn procurement into operational capability.
Availability Challenge
Ageing fleets, absent maintenance concepts, unplanned spares
Sustainment Risk
Operational unreadiness, mission failure, strategic vulnerability
Polymath Value
Fleet diagnostics, ILS programme management, MCO design, logistics transformation
Aerospace & Aviation Systems
Military aviation and commercial aerospace demand the highest standards of technical rigour. Unscheduled maintenance, poor spares availability and inadequate technical documentation drive aircraft on-ground time and mission cancellations. We support Air Forces and aviation operators with MRO capability development, airworthiness management, spare parts optimisation and OPUS Suite implementation.
Availability Challenge
Aircraft on-ground, unscheduled maintenance, spares shortfalls
Sustainment Risk
Mission cancellations, airworthiness non-compliance, OEM dependency
Polymath Value
MRO capability development, ILS for procurement, OPUS Suite, training
Energy, Offshore & Critical Infrastructure
Power generation, oil and gas, water treatment and telecommunications assets are among Africa's most critical infrastructure. Unplanned downtime has cascading economic and social consequences. We help energy and infrastructure operators implement structured maintenance programmes, optimise spare parts holdings and reduce total lifecycle cost.
Availability Challenge
Unplanned downtime, ageing assets, spares complexity
Sustainment Risk
Economic disruption, safety incidents, regulatory non-compliance
Polymath Value
Maintenance concept, lifecycle cost modelling, OPUS Suite, spares optimisation
Rail & Mobility Fleets
Africa's rail and transport infrastructure is expanding rapidly. Rolling stock, locomotives and urban transit systems require structured maintenance programmes to deliver the availability and reliability that economic development demands. We bring ILS, maintainability analysis and lifecycle cost expertise to transport operators across the continent.
Availability Challenge
Maintenance backlogs, spares complexity, ageing fleets
Sustainment Risk
Service disruption, economic impact, high lifecycle cost
Polymath Value
Maintainability analysis, MCO, lifecycle cost modelling, training
Naval & Coast Guard Assets
Naval platforms are among the most complex and costly systems to sustain. Corrosion, operational tempo and limited local MRO capability create persistent availability challenges for navies and coast guards. We provide ILS, maintenance concept development and spares optimisation for naval surface vessels, patrol craft and maritime surveillance systems.
Availability Challenge
Corrosion, complex systems, limited local MRO
Sustainment Risk
Maritime security gaps, high OEM dependency, cost overruns
Polymath Value
Naval ILS, maintenance planning, spares strategy, MRO development
Land Systems & Armoured Vehicles
Land systems — from armoured personnel carriers to artillery and engineering vehicles — require structured maintenance concepts, reliable spares supply chains and trained crews and technicians. We support armies with fleet availability diagnostics, maintenance concept optimisation and logistics transformation for their land vehicle fleets.
Availability Challenge
Maintenance backlogs, spares shortfalls, crew training gaps
Sustainment Risk
Reduced combat readiness, high repair costs, extended downtime
Polymath Value
Fleet diagnostics, MCO, LORA, spares optimisation, training
Radars, C4ISR & Surveillance Systems
Radar, command and control, intelligence and surveillance systems are critical national assets. Their sustainment requires specialist ILS expertise, rigorous technical documentation and carefully planned obsolescence management. We provide ILS, maintenance support planning and technical documentation services for civil and defence radar and C4ISR systems.
Availability Challenge
Obsolescence, specialist skills shortage, complex documentation
Sustainment Risk
Surveillance gaps, national security exposure, high OEM costs
Polymath Value
ILS, maintenance support plans, technical documentation, obsolescence management
Operating in One of These Sectors?
Let's discuss how Polymath can support your sustainment objectives.
The Principles That Guide Everything We Do
Technical Excellence
We apply rigorous, evidence-based methodologies to every engagement. We do not cut corners.
Operators Ownership
We are committed to building capability, not creating dependency. Knowledge transfer is central to every engagement.
Results Orientation
We measure our success by the outcomes we deliver — availability improvements, cost reductions, capability gains.
Integrity
We give honest advice, even when it is not what clients want to hear. Our reputation depends on it.
Founded on a Conviction That End Users Deserves Better Sustainment
Polymath was founded by sustainment engineering practitioners who had spent careers working on complex equipment programmes across Europe and internationally. We saw the same patterns repeated: equipment procured without adequate sustainment planning, maintenance systems that failed to deliver availability, lifecycle costs that spiralled beyond projections, and a persistent dependency on foreign expertise. We founded Polymath to change this — to bring world-class sustainment engineering capability to African operators, and to build the local skills and systems that will make African defence and industry genuinely self-reliant.
Djibril Sarr — Founder & Principal Advisor
Djibril Sarr is a Sustainment Engineering and Integrated Logistics Support specialist with more than 15 years of international experience supporting complex programmes in defence, aerospace, transportation and industrial sectors. He combines engineering expertise, business understanding and educational experience to deliver sustainment advisory and training services that are both technically rigorous and strategically relevant.
MBA
NEOMA Business School
MSc Management of Complex Systems
CentraleSupélec
Engineering Degree in Robotics
UTC Compiègne
Djibril has worked across defence, aerospace, transportation and industrial sectors, supporting clients in Europe, Africa and the Middle East on ILS, ISS, lifecycle cost and sustainment transformation programmes.
Services Structured Around Your Operational Outcomes
Every Polymath engagement begins with a clear problem statement and ends with a measurable result. We do not deliver generic consulting. We deliver structured, expert-led engagements that produce practical outputs your teams can implement.
Restore Availability
We help operators understand why aircraft, vehicles, vessels or critical systems are unavailable and build a practical recovery roadmap. Our Fleet Availability Recovery Diagnostic identifies root causes — not symptoms — and delivers a prioritised 30/60/90-day action plan.
Buy Sustainably
We help acquisition teams integrate lifecycle cost, maintainability, training, spares, documentation and support constraints before contract signature. Our ILS for Defence Procurement service ensures that what you buy can be sustained affordably over its full lifecycle.
Build Local MRO Capability
We support the development of local maintenance and repair capabilities to reduce dependency and improve operational autonomy. From MRO capability assessment to 3-year development roadmaps,
Transform Defence Logistics
We help organisations align maintenance, supply chains, data, contracts and skills to improve mission readiness. Our Defence Logistics Transformation service connects the dots between maintenance planning, spares management, supplier performance and operational KPIs.
Train Sustainment Leaders
We train officers, engineers, logisticians, procurement teams and executives to connect complex equipment acquisition with operational performance. Through the Sustainment Leadership Academy, we develop the strategic and technical skills that organisations need to lead their own sustainment transformation.
OPUS Suite Implementation & Lifecycle Cost Modelling
As experienced OPUS Suite practitioners, we provide implementation, configuration, training and ongoing support for the full OPUS Suite — including OPUS Ten for lifecycle cost analysis, RAM Commander for reliability and availability modelling, and SIMLOX for logistics simulation. We help African operators build the analytical capability to make evidence-based sustainment decisions.
OPUS 10
Lifecycle cost modelling and LCC analysis for complex equipment programmes.
SIMLOX
Logistics simulation and spare parts optimisation.
Sustainment Leadership Academy
We design and deliver practical training programmes for organisations that need to build sustainment, ILS, In Service Support (ISS) and lifecycle management capabilities. Our programmes are grounded in real-world operational contexts and aligned to international best practice.
Operators Need Sustainment Leaders, Not Just Technicians
Technical skills alone are not enough. Complex systems sustainment challenge requires professionals who can think strategically about lifecycle cost, design maintenance systems, lead organisational change and engage with senior decision-makers. The Sustainment Leadership Academy was created to develop exactly these capabilities — grounded in our clients operational realities and aligned to international best practice.
Strategic Thinking
Understand the full lifecycle cost picture and make evidence-based sustainment decisions
Technical Mastery
Apply ILS, MCO, RAM and OPUS Suite methodologies with confidence
Leadership Impact
Lead sustainment transformation within your organisation and sector
Three Learning Tracks. One Academy.
All programmes are available in-person, online and as customised in-house delivery. Content is adapted to your sector, equipment type and organisational context.
For Defence Leaders
Strategic sustainment literacy for senior officers, acquisition officials and defence ministry executives.
- Operational availability and mission readiness
- Defence acquisition and through-life support
- MCO strategy and maintenance governance
- Lifecycle cost and total cost of ownership
- Local industrial capability and offset strategies
- Performance-based support and contracting
For Engineers & ILS Practitioners
Technical depth for ILS managers, supportability engineers and logistics analysts.
- ILS fundamentals and management
- LSA / LORA methodology
- RAMT analysis
- Maintenance planning and task analysis
- Spare parts optimisation
- Technical documentation management
- Obsolescence and configuration management
For Maintenance & Logistics Managers
Operational excellence for maintenance managers, supply chain professionals and fleet managers.
- Maintenance organisation design
- Spares and repair loops management
- KPI and performance management
- Supply-chain resilience
- Digital maintenance systems
- Fleet recovery planning
Flexible Delivery to Suit Your Organisation
Executive Briefings
Half-day strategic sessions for senior leaders and decision-makers
1-Day Workshops
Focused, practical sessions on specific sustainment topics
2-Day Courses
Structured programmes covering defence sustainment fundamentals
5-Day Technical Programmes
Comprehensive technical training with practical exercises
Train-the-Trainer
Build internal training capability within your organisation
Ready to Build Your Sustainment Capability?
Speak with our training team to discuss the right programme for your organisation.
Africa Sustainment & Defence Advisory
African organisations are investing in increasingly complex defence, aerospace, transport and infrastructure systems. The challenge is no longer acquisition. The challenge is sustaining availability, controlling lifecycle costs, developing local maintenance capability and building the skills required to operate independently.
Five Structured Offers. Measurable Results.
Each engagement is scoped, time-bound and designed to deliver a clear output — not a report that sits on a shelf.
Fleet Availability Recovery Diagnostic
Identify the root causes of equipment unavailability and build a practical recovery roadmap.
Deliverables:
- Availability baseline assessment
- Top downtime drivers analysis
- Maintenance and spares review
- Skills and documentation assessment
- 30/60/90-day recovery roadmap
ILS for Defence Procurement
Help acquisition teams buy sustainable capabilities, not just equipment.
Deliverables:
- ILS requirements for tenders
- Lifecycle cost model
- Maintenance concept
- Spares and training requirements
- Supplier supportability scoring
- Contractual support clauses
African MRO Capability Development
Support the development of local maintenance, repair and overhaul capabilities.
Deliverables:
- MRO capability assessment
- Make-or-buy analysis
- Workshop, tooling and test equipment needs
- Skills development roadmap
- Civil-military MRO cooperation model
- 3-year capability roadmap
Defence Logistics Transformation
Connect maintenance, spares, data, suppliers and skills into a coherent operational readiness system.
Deliverables:
- Logistics maturity assessment
- Spares and repair flow mapping
- Data and KPI architecture
- Supply-chain resilience review
- 24-month transformation roadmap
Sustainment Leadership Academy Africa
Train defence leaders, engineers, logisticians and maintenance managers to connect acquisition, MCO and operational readiness.
Formats:
- Executive briefings
- 1-day workshops
- 2-day defence sustainment courses
- 5-day technical programmes
- Train-the-trainer
- Annual academy partnerships
We Are Committed to Africa's Sustainment Sovereignty
We believe that African nations should not be permanently dependent on foreign expertise to sustain their own equipment. Every engagement we undertake is designed not just to solve the immediate problem, but to leave the client more capable than we found them. We invest in local partnerships, deliver training in local languages where required, and design our programmes to be sustained by African professionals long after our engagement ends.
"Our goal is not to be indispensable. Our goal is to make our clients indispensable to themselves." — Polymath Founding Principle
Not Sure Which Offer Fits Your Challenge?
Our advisors will help you identify the right starting point. Most engagements begin with a 30-minute discovery call — no obligation.
Selected Experience
From air forces to naval commands, land systems operators and critical infrastructure managers — our engagements address the hardest sustainment challenges. Client identities are protected by confidentiality. What we can share are the problems we solved, the methods we applied and the results we delivered.
Land Systems Sustainment
We have supported land systems operators and defence ministries with fleet availability diagnostics, maintenance planning and spares optimisation for armoured and wheeled vehicle fleets.
Armoured Vehicle Support Studies
Sustainment engineering studies for armoured vehicle fleets, including availability analysis, maintenance concept review and spares assessment.
Maintenance Planning, LORA & Spares Optimisation
Level of repair analysis, maintenance task analysis and spares optimisation for land vehicle fleets, delivering a structured maintenance concept and provisioning strategy.
Naval Combat Supportability
We have provided ILS and supportability engineering services for naval weapon systems and maritime platforms, supporting both acquisition and in-service sustainment phases.
Naval Weapon System ILS & Support Strategy
Integrated Logistics Support and support strategy development for a naval weapon system, including maintenance concept, spares strategy and support documentation.
Maintenance Plan, Spares & Documentation
Development of maintenance plans, spare parts provisioning strategy and technical documentation for naval combat systems.
Air Power Readiness
Supporting air forces and aviation operators across Europe and internationally, delivering sustainment engineering, ILS and MRO capability for fixed-wing and rotary-wing platforms.
A400M Supportability
Supportability and maintainability analysis for the A400M, including maintenance task analysis, LORA and spares provisioning.
Simulation Systems Support
ILS and support planning for simulation and training systems, covering maintenance support plans, technical documentation and training needs.
Radar Sustainment Support
Sustainment engineering for airborne and ground-based radar systems, including obsolescence management and spares optimisation.
Air Traffic & Surveillance Systems
We have delivered ILS and maintenance support planning for civil and defence air traffic management and surveillance systems, including training plans and technical documentation.
Civil & Defence ATM System ILS
Integrated Logistics Support for air traffic management systems, including maintenance concept, spares strategy and supplier management framework.
Training Plans, Maintenance Support Plans & Technical Documentation
Development of comprehensive training plans, maintenance support plans and technical documentation packages for ATM and surveillance systems.
Transport Fleet Availability
We have applied sustainment engineering and maintainability analysis to transport fleet programmes, helping operators improve availability and reduce lifecycle cost.
Rail Maintainability & Maintenance Optimisation
Maintainability analysis and maintenance optimisation for rolling stock, including maintenance task analysis, spares provisioning and lifecycle cost modelling.
Want to Discuss Our Experience in More Detail?
We are happy to discuss our track record under NDA. Contact us to arrange a confidential briefing.
Get in Touch
contact@polymathse.com
We respond within 48 business hours
Response Time
Within 48 business hours
Monday to Friday
Based In
France
Operating internationally across Africa, Europe and the Middle East
What to Expect After You Contact Us
We Review Your Request
We read every message carefully and assess how we can best help within 48 business hours.
We Schedule a Discovery Call
We propose a 30-minute call to understand your challenge, share relevant experience and discuss how we can help.
We Propose an Engagement
If there is a fit, we develop a tailored proposal with clear scope, deliverables and timeline.
Let's Build Sustainable Operational Capability Together.
Polymath Sustainment Engineering
— Advisory, Supportability Engineering, Contractor Logistics Support, and Training for your most Critical Systems.
Building Sustainable