O

Optimal Group

Lightweight composite and metallic structures engineering

General Builder - Sub-Contractor

ContractUpdated on 10/17/2026
£45k - £150k
Senior
London, UK
In Person
General Maintenance & RepairBuilding & Property Maintenance

About the job

Requirements
  • A minimum of 7 years of experience in the construction trade.
  • Proficiency in basic electrical, plumbing, carpentry, and joinery skills.
  • A DBS Certificate/check.
  • Skills in diagnosing and conducting on-site repairs, sourcing materials, and maintaining high standards of work.
  • Ability to confidently quote and win work.
  • Proficiency in using a smartphone.
  • Own van, tools, and insurance.
  • Ability to communicate in English.
Responsibilities
  • Complete refurbishment projects, including full kitchen and bathroom refurbishments, full house renovations, roofing works, gardening, and external works.
  • Conduct thorough property inspections to identify maintenance requirements and potential issues, ensuring accurate assessment for quoting.
  • Perform scheduled repairs and refurbishments promptly and efficiently.
  • Diagnose and troubleshoot electrical, plumbing, carpentry, and other maintenance-related problems to provide accurate quotes and minimize material costs.
  • Use specialised tools and equipment to carry out works and installations.
  • Ensure compliance with health and safety regulations and industry standards during maintenance activities.
  • Maintain accurate records of maintenance work, including job details, materials used, and hours worked, to facilitate billing.
  • Provide Optimal with job progress updates through the CRM system and address concerns or questions.

About the company

Optimal Group provides engineering and manufacturing of advanced composite and metallic structures for aerospace, defence, marine, and automotive projects in Portugal. It offers end-to-end services from design and prototyping to serial production and tooling, using materials science, CAD, FEA, and CFD to develop parts. It operates specialized units such as Optimal Space for the space sector (ECSS standards) and Optimal Protection for defence, with a presence in the UK and partnerships with international firms. Its goal is to be a dependable supplier of high-precision, lightweight components and to grow its international collaborations and market reach.

Company Size

11-50

Company Stage

N/A

Total Funding

N/A

Headquarters

Cascais, Portugal

Founded

2008

Get referred to Optimal Group

See people who can refer or advise you

Simplify Jobs

Simplify's Take

What believers are saying

  • 2025-09-17 REPMUS success validates command-and-control software and draws NATO-facing attention.
  • Eurosatory 2026 showcased interceptors, UAS, USV, and ballistic protection, widening addressable defense demand.
  • The 2026 Malbusca launch centre creates a near-term commercialization path for Optimal's space division.

What critics are saying

  • Hunter-02 and spaceport programs depend on defense and government buyers, exposing revenue concentration risk.
  • A failed 2026 Malbusca launch start would damage Optimal's credibility with ANACOM, Navy, and ASC.
  • Competing European composites and drone suppliers can undercut Optimal's niche unless serial production scales fast.

What makes Optimal Group unique

  • 2025-09-12: Optimal Group launched Hunter-02 from a Portuguese Navy vessel, proving maritime launch capability.
  • Optimal Space and Optimal Protection span ECSS space work, defence systems, and composite ballistic protection.
  • Atlantic Spaceport Consortium ties Optimal to Portugal's first licensed spaceport, Malbusca, for 2026 launches.

Help us improve and share your feedback! Did you find this helpful?

Benefits

  • Hybrid Work Options
  • Performance Bonus