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Your Systems Must Sustain. We Make Sure They Do.





We Solve Hard Problems.

Polymath Sustainment Engineering works with organisations whose equipment is complex, critical, and expensive to operate. We don't consult for the sake of consulting. We deliver real outcomes in sustainment engineering, Integrated Logistics Support, and In Service Support — because when your systems fail, the cost isn't a line item. It's a mission.






SECTORS





Your Sector Has Unique Problems.


Polymath Sustainment Engineering works where failure is not an option. ILS, ISS, and lifecycle cost expertise applied to the most operationally demanding environments on the planet. We arrive ready, and we deliver.

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.

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.

Aerospace & Aviation Systems

Military and commercial aviation demand the highest technical rigour. Unscheduled maintenance, spares shortfalls and poor documentation ground aircraft and cancel missions.

We support Air Forces and aviation operators with MRO development, airworthiness management, spares optimisation and OPUS Suite implementation.

Energy, Offshore & Critical Infrastructure

Power generation, oil and gas, water treatment and telecommunications assets are among the 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.

Rail & Mobility Fleets

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.

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.

Operating in One of These Sectors?

Let's discuss how Polymath can support your sustainment objectives.

Built for Those Who Can't Afford to Fail.




FOUNDER

Djibril Sarr — The Man Behind Polymath SE

20+ years. Defence. Aerospace. Transportation. Industrial. Djibril doesn't theorise — he delivers. As a Sustainment Strategist & Supportability specialist, he brings engineering rigour, hard-won business acumen, and deep instructional expertise to every engagement. Your problems get real solutions. Not reports. Not frameworks. Results.

MBA

NEOMA Business School — Nottingham University (UK)

MSc Logistics of Complex Systems

CentraleSupélec

Engineering Degree in Robotics

UTC Compiègne


VALUES

Non-Negotiable.

Every Engagement. Every Time.

Technical Excellence

Rigorous. Evidence-based. No shortcuts. Your decisions deserve better than guesswork, and we won't give you any.

Operator Ownership

We build your capability. We don't create dependency. When we leave, you can do this yourself. That's the point.

Results Orientation

We're measured by availability gains, cost reductions, and capability built — not by deliverables submitted. There's a difference.

Integrity

You'll hear the truth from us — especially when it's uncomfortable. That's what a trusted advisor does.

That's who we are.

WHAT WE DO

Six Engagements. Real Outcomes.

Results. Not Reports.

1
OFFER 01

Fleet Availability Recovery

2
OFFER 02

ILS for Defence Procurement

3
OFFER 06

ILS & Aftermarket Development

4
OFFER 03

Souvereign MRO Capability

5
OFFER 04

Defence Logistics Transformation

6
OFFER 05

Sustainment Leadership Academy

OFFER 01

Fleet Availability Recovery

Your equipment is unavailable. We find out why — and give you a roadmap to fix it. Fast.

Deliverables:

  • Availability baseline assessment
  • Top downtime drivers analysis
  • Maintenance and spares review
  • Skills and documentation assessment
  • Recovery roadmap
OFFER 02

ILS for Defence Procurement

Buying equipment is easy. Sustaining it is hard. We make sure your acquisition teams buy capability — not a liability.

Deliverables:

  • ILS requirements for tenders
  • Lifecycle cost model
  • Maintenance concept
  • Spares and training requirements
  • Supplier supportability scoring
  • Contractual support clauses
OFFER 03

ILS & Aftermarket Development

We help African Industrials companies build the aftermarket and ILS capability to deliver — and contract — full lifecycle support.

Deliverables:

  • Aftermarket strategy and business model design
  • ILS package development (manuals, spares, training, tools)
  • Performance-Based Logistics (PBL) contract framework
  • Through-life support cost modelling
  • In-country support network design
  • Transition roadmap from product sale to capability contract
OFFER 04

Souvereign MRO Capability

Stop sending your platforms abroad. We help you build the local MRO capability to sustain your fleet on your terms.

Deliverables:

  • MRO capability assessment
  • Make-or-buy analysis
  • Workshop, tooling and test equipment needs
  • Skills development roadmap
  • Civil-military MRO cooperation model
  • Capability roadmap
OFFER 05

Defence Logistics Transformation

Maintenance, spares, data, suppliers and skills aren't connected in your organisation. They need to be. We build the system that ties it all together.

Deliverables:

  • Logistics maturity assessment
  • Spares and repair flow mapping
  • Data and KPI architecture
  • Supply-chain resilience review
  • Transformation roadmap
OFFER 06

Sustainment Leadership Academy

Your Organisation Doesn't Need More Technicians. It Needs More Sustainment Leaders.

Formats:

  • Executive briefings
  • 1-day workshops
  • 2-day defence sustainment courses
  • 5-day technical programmes
  • Train-the-trainer
  • Annual academy partnerships
PROVEN RESULTS



We've Done This Before.

In the Field.

Under Pressure.






ARQUUS: Spare Parts Optimization Using the OPUS Suite

Analytical Modeling

Developed analytical models for spare parts optimization to determine optimal inventory levels for required operational performance and availability.

Bid & Proposal Support

Provided technical support for RFP responses and competitive tender preparation.

Business Development

Supported business development activities through technical contributions to competitive proposal responses.



SAFRAN: A400M Engine Supportability

Delivered Integrated Logistics Support (ILS) engineering for the A400M military transport aircraft engine, including Logistics Support Analysis (LSA), maintainability optimization, and maintenance tooling standardization..

MBDA: ASTER Air Defence Missile System

Supported the In-Service Support (ISS) team responsible for sustaining the ASTER air defence missile system throughout its operational lifecycle. Contributed to the coordination of maintenance and sustainment activities to support operational readiness and system availability.


MBDA: ILS for the FDI Frigate Missile Launching System

Led key ILS activities for the missile launching system of the FDI frigate program, including project management, sustainment strategy development, Logistics Support Analysis Record (LSAR) creation, maintenance plan development, Level of Repair Analysis (LORA), and spare parts recommendations.

SOGITEC: ILS for Military Flight Simulators

Delivered ILS engineering for advanced military flight simulators, including the Rafale and NH90 platforms. Developed comprehensive support concepts, maintenance support strategies, training plans, support equipment definitions, spare parts provisioning, industrial stock strategies, and tooling requirements.

THALES: Customer Logistics Support for Radars

Supported the In-Service Support (ISS) of radar systems for multiple country, by developing sustainment and maintenance plans, delivering maintenance training, managing system configuration, updating technical documentation, and coordinating obsolescence management.

THALES: ILS for Civil and Defence ATM Systems

Delivered ILS and Supportability Engineering for civil and defence Air Traffic Management (ATM) systems. Developed the Integrated Logistics Support Plan (ILSP), Maintenance Support Plan (MSP), and Training Plan to establish a comprehensive sustainment framework.

CNIM: ILS for the SPRAT Bridge-Laying System

Delivered comprehensive ILS engineering for the SPRAT Rapid Bridge-Laying System, including Logistics Support Analysis (LSA), Maintenance Plan development, Level of Repair Analysis (LORA), and creation of the Logistics Support Database.

ALSTOM: Maintenance Engineering for Metro Line 1

Performed maintenance engineering and maintainability assessments for Metro Line 1 rolling stock, focusing on onboard electronic systems and passenger interior equipment.





Sustainment

Leadership

Academy

Practical training programmes for organisations building sustainment, ILS, and lifecycle management capabilities — grounded in operational reality, aligned to international best practice.


TRAINING TRACKS

Three Tracks. No Excuses.

Every programme runs in-person, online, or in-house — adapted to your sector, your equipment, and your organisation. Pick your track. Show up ready to work.

TRACK 1

For Defence Leaders

You make decisions that cost billions. You need sustainment literacy that matches that responsibility.

  • Operational availability and mission readiness
  • Defence acquisition and through-life support
  • Lifecycle cost and total cost of ownership
TRACK 2

For Engineers & ILS Practitioners

Your tools are only as powerful as your methodology. Master the discipline — then lead it.

  • ILS fundamentals and management
  • LSA / LORA and RAMT methodology
  • Spare parts optimisation and maintenance planning
TRACK 3

For Maintenance & Logistics Managers

Fleet performance doesn't improve by accident. Build the systems. Own the results.

  • Maintenance organisation design
  • KPI and performance management
  • Fleet recovery planning



DELIVERY FORMATS

Training That Fits Your Reality. Not the Other Way Around.

Executive Briefings

Half a day. The right room. Leaders leave with clarity on what needs to change — and why it matters now.

1-Day Workshops

One day on one problem. Focused, practical, and immediately applicable to your operation.

2-Day Courses

Two days to build the sustainment foundation your team should already have. No fluff. No filler.

5-Day Technical Programmes

Deep, rigorous, and demanding. For practitioners who need to get it right — not just understand it.

Train-the-Trainer

Stop depending on outside expertise. Build the capability inside your organisation. Own it permanently.

1

Testimonials

Participant, French Army

As an IT equipment maintenance officer for the armed forces, the courses delivered by Djibril were extremely useful in helping me grasp the full complexity of my role, and above all allowed me to discover and master highly practical tools for managing and optimising complex equipment fleets.

REACH US

Let's Talk.

Email

contact@polymathse.com

You'll hear back within 48 business hours. No runaround.

Response Time

48 hours. Monday to Friday.

We respect your time. Expect the same in return.

Where We Work

Based in France.

Deployed across Africa, Europe, and the Middle East. Geography is not an excuse.

WHAT'S NEXT

Here's What Happens When You Reach Out

01

We Read Your Message. Carefully.

No intake forms. No automated responses. We assess your situation directly and get back to you within 48 hours.

02

We Talk — 30 Minutes, No Fluff.

A focused conversation about your real challenge. We tell you what we know, what we've seen, and whether we're the right fit.

03

You Get a Proposal Worth Reading.

If there's a fit, you receive a clear, tailored proposal. Defined scope. Concrete deliverables. No ambiguity.

Your Systems Must Sustain. We Make Sure They Do.

Polymath Sustainment Engineering

— Advisory, Supportability Engineering, Contractor Logistics Support, and Training. For the systems that cannot fail.