Aerospace and Defence
Systems Engineering Consultancy
19+ years · Military & Civil Aerospace · SC Cleared · Leeds, UK
Senior Engineering Consultant
SJB Systems Ltd provides senior aerospace engineering consultancy through Sam Brook — a highly experienced systems engineer with over 16 years working across the full development lifecycle on military and civil aircraft and submarine programmes.
SJB Systems brings deep technical expertise in systems engineering, modelling and simulation, and data analytics to client programmes at any phase — from early concept and requirements capture through to certification and in-service support.
Recent work includes Model Based Systems Engineering on the Royal Navy’s Dreadnought SSBN programme at BAE Systems, and lead the systems engineering on the Vertical Aerospace VX4 eVTOL blade pitch system, taken from concept definition through to CAA Permit to Fly.
Current UK Security Clearance — suitable for defence and government programmes
Qualifications & Membership
19+ years in aerospace engineering spanning SJB Systems Ltd, BAE Systems, and Goodrich Engine Controls — covering military fast jets, civil airliners, eVTOL, and submarine programmes from early concept through to certification and in-service support.
Technical Skills & Capabilities
Systems Engineering
- ARP4754A & DEF STAN-970
- Functional Analysis & FMA
- Requirements Management (JAMA)
- Verification & Validation
- Supplier Management / ICDs
- Certification Documentation
Modelling & Simulation
- MATLAB (advanced)
- Simulink / MBSE
- Flowmaster (1D fluid networks)
- VBA / Excel automation
- GUI development in MATLAB
Data Analytics & PHM
- Prognostic Health Management
- Fleet-wide big data analysis
- Time-series sensor data processing
- SQL (MySQL, Oracle)
- Algorithm development & validation
Tools & Process
- JIRA (Agile / Scrum)
- Git & version control
- Bamboo CI pipelines
- JAMA Requirements Management
- MS Office / Project
- AI-assisted workflows (Claude, ChatGPT, Microsoft Copilot)
Domain Knowledge
- Aircraft Fuel Systems
- Electrical Power Generation
- Landing Gear Systems
- eVTOL / Urban Air Mobility
- Submarine MBSE
- Flight Systems
- FDM 3D printing (in-house SJB Systems Ltd capability)
Regulatory & Standards
- ARP4754A (Civil Airworthiness)
- DO-160G (Environmental)
- FAR 25 / CS-25
- DEF STAN-970 (Military)
- MIL-STD-810E
- ITAR-regulated projects
Selected Engagements
Key programmes and contracts across 19+ years. Details described in general terms where NDA or ITAR restrictions apply.
Royal Navy Dreadnought
BAE Systems · Oct 2025 – PresentModel Based Systems Engineering on the UK’s next-generation strategic ballistic missile submarine programme.
- MBSE using Simulink and MATLAB
- Git-based version control and CI pipeline management with Bamboo
- Systems modelling and integration activities
Vertical Aerospace VX4
Via Novel Engineering Consultants · Jun 2022 – Mar 2025Lead Systems Engineer on the Forward Propulsion Blade Pitch System for the UK’s flagship electric air taxi programme, taken from concept to CAA Permit to Fly.
- System definition: Functional Analysis, FMA, Requirements Capture (JAMA)
- Supplier management: Equipment Requirements, ICDs, PDRs, CDRs
- System verification: planning, conducting and reporting test activities
F-35 Fleet PHM
BAE Systems Samlesbury · Nov 2016 – Nov 2019Big data analytics and rapid development of Prognostic Health Management algorithms from fleet-wide sensor data on this ITAR-regulated programme.
- Fleet-wide time-series sensor data analysis using MATLAB
- SQL database interrogation (MySQL and Oracle)
- PHM algorithms for fuel, life support, and landing gear systems
Eurofighter Typhoon
BAE Systems Preston · Jun 2008 – May 2013Lead engineer for fuel system physical modelling and electrical power generation systems support across development and in-service phases.
- Fuel system physical modelling in Flowmaster; integration with VBA functional control models
- MATLAB tools for rapid test data analysis, reducing time to flight clearance
- Electrical power generation systems test planning, development and equipment qualification
Airbus A350 & A220
Via Novel Engineering Consultants · May 2021 – Mar 2022Fuel system modelling and certification analysis across multiple Airbus platforms, including full system models and modification clearance.
- Full A220 Flowmaster fuel system model; version migration V7.9.4 to V201932b
- A350 wing tank pump modification analysis and clearance
- A350 APU mod model and numerous fuel system modification investigations
BAE Systems Hawk
BAE Systems Brough · Jan 2014 – Nov 2016Certification documentation, flight safety assessment, and environment studies supporting a landing gear life extension programme.
- Environment study supporting landing gear life extension
- System-level EDRs and Statements of Design across all aircraft flight systems
- Assessment of flight safety, hazard mitigation evidence and DEF STAN-970 compliance
Dassault Falcon 6X
Via Novel Engineering Consultants · Dec 2019 – Jul 2020Fuel system equipment qualification for Dassault’s flagship ultra-long-range business jet programme.
- Clearance of Safran Aerosystems fuel system valves to FAR 25 and DO-160G
- Qualification documentation: analysis & similarity reports, ATPs, compliance matrices
- Worked to RTCA DO-160G, FAR 25, and MIL-STD-810E standards
Let’s Work Together
Available for aerospace engineering contracting engagements UK-wide. Whether you have an upcoming programme requirement or want to discuss suitability, get in touch.
info@sjbsystems.com