security clearance jobs in Cardiff

You will shape and drive strategic transformation across the department, ensuring cyber security is embedded into organisational design, delivery, and culture.

You will report into the business unit’s head of market for Defence and will play a crucial role in the planning and execution of projects with a cyber security focus within our Defence portfolio. Specific responsibilities are as follows: Overseeing technical responses for large and complex cyber system tenders

EMP Project Lead Arcadis is the world's leading company delivering sustainable design, engineering, and consultancy solutions for natural and built assets. We are more than 36,000 people, in over 70 countries, dedicated to improving quality of life. Everyone has an important role to play. With the power of many curious minds, together we can solve the world's most complex challenges and deliver...

Security Officer Sub Division: Facilities Management Location: Cardiff, CF10 3NQ Contract Type: Permanent Hours: Full Time - 48 hours - Variable Shift Pattern Creating and maintaining great places to live and work delivered by excellent people who care… Purpose of Role Job Role: Security Officer Working Hours: 48 hours per week, permanent contract Monday – Sunday Variable (Days &...

BMC Remedy Consultant Increase your chances of an interview by reading the following overview of this role before making an application. £Up to £85,000 GBP Competitive Bonus Hybrid WORKING Location: Cardiff; Bath, Bristol, South West - United Kingdom Type: Permanent BMC Remedy Consultant (SC) Location: Hybrid (UK-based - office, client site, and home working) Security Clearance: Must be eligible...

Job Description OTE: £42,900 – £50,050 (including overtime and standby) Basic Salary: £39,000 – £45,500 (including basic and paid travel time, dependent on experience) Benefits include - Profit-related bonus - 30 days holiday (22 days + 8 bank holidays) - Door-to-door paid travel - Subsidised healthcare scheme - Company pension scheme (auto-enrolment) - Regular pay reviews & training...

Job Description DV Cleared Infrastructure Architect Are you a seasoned Infrastructure Architect with active DV clearance seeking a pivotal role within a dynamic environment? Join us to lead the design and management of cutting-edge IT infrastructure for critical defence projects. You'll be at the forefront of shaping secure, scalable, and innovative classified networks, ensuring operational...

MorsonEdge are looking to recruit a motivated Architect / Architectural Technologist to join a busy Cardiff studio for the architectural design of a Railway Station. This appointment will be on a 1 year contract basis, starting 1 Feb 2026. The business is an exciting and inspirational place to work, and they are a top 5 AJ 100 practice with a global depth of talent and reach. They passionately...

You will be developing and maintaining communication and correspondence related to IDV compliance and enforcement and ensuring that guidance and information is informing customers about compliance and consequences of non-compliance,

You will be aligned to our Cardiff office, where you will be expected to attend on a regular basis.

Job Description Director, Product Portfolio & Planning 13899 Security Clearance: BPSS Contract Length: 3-6 months TBC Location: United Kingdom (Remote) Preferred skills: Experience in PE (Private Equity) - backed or high-growth software environments with multi-product portfolios. Background in product management, corporate strategy, or FP&A (FinancialPlanningandAnalysis) within B2B SaaS...

You will support Engineering Change Requests (ECRs), complete site inspections, undertake design reviews, and advise on compliance with JSP 453, JSP 440, AP 600 and key British Standards. Working closely with RAF site teams, Air SCIDA Engineers and your Telent Area Manager, you will help maintain continuity of operational services while ensuring safe, compliant and secure ICT installations.

You will also be responsible for managing risks, technical documents, and ensuring compliance with schedules, costs, and scope requirements Some of the main responsibilities of the Electrical and Instrumentation Engineer will include: - Be the main point of contact for clients and suppliers on matters related to instrumentation and safety equipment.

Role: Principal Electrical Engineer Location: Devonport(Hybrid role requiring onsite presence 2 days/month) Duration: 2 years Inside IR35: Umbrella About our Client: Our client in Devonport is a leading engineering and maritime organisation specialising in the maintenance, repair, and overhaul of naval vessels. The site operates with a skilled workforce across mechanical, electrical, and...

An exciting opportunity has arisen for a C# Software Developer to join a specialist simulation and experimentation team working on complex, real-time defence systems. This role sits within a highly technical environment, developing software that supports simulation, experimentation, verification, validation and training activities across advanced engineering programmes. The opportunity: -...

Electronics Engineer Locations: Weymouth (Relocation package available) We’re searching for a hands-on Electronics Engineer to join a high-calibre, collaborative engineering team designing cutting-edge defence technology. In this role, you’ll turn complex system requirements into smart, robust electronic solutions — delivering designs that hit the mark for performance, manufacturability, and...

Job Title: Submarine Documentation Engineer Location: Barrow-in-Furness Role Type: Permanent Salary: £50,000 - £61,500 per annum depending on experience Our client, an established aerospace & defence manufacturing firm in Barrow-in-Furness, require an experienced Submarine Documentation Engineer to join their multi-disciplined team. An ideal role for Royal Navy Submarine Service leavers with...

Application Packaging & Deployment Engineer Location: Remote UK - will need to travel occasionally for customer meetings Clearance Requirement: UK Security Clearance (SC) – Mandatory Role Purpose The Application Packaging & Deployment Engineers will be responsible for packaging, testing, and deploying applications using SCCM and Intune. The role ensures software delivery is efficient,...

BMC Remedy Consultant £Up to £85,000 GBP Competitive Bonus Hybrid WORKING Location: Cardiff; Bath, Bristol, South West - United Kingdom Type: Permanent BMC Remedy Consultant (SC) Location: Hybrid (UK-based - office, client site, and home working) Security Clearance: Must be eligible for SC clearance Join an award-winning organisation recognised for excellence in employee wellbeing, innovation,...

Job Description Basic Salary Hourly Rate £16 - £18.25 (including basic and paid travel time, dependent on experience) Benefits include - 30 days holiday (22 days + 8 bank holidays) - Door-to-door paid travel - Subsidised healthcare scheme - Company pension scheme (auto-enrolment) - Regular pay reviews & training opportunities - Option to use company vehicle for personal use - Enhanced overtime...

Defence & Security Structures Technical Lead Arcadis is the world's leading company delivering sustainable design, engineering, and consultancy solutions for natural and built assets. We are more than 36,000 people, in over 70 countries, dedicated to improving quality of life. Everyone has an important role to play. With the power of many curious minds, together we can solve the world's most...