Senior Web Application Developer ASP.NET MVC 5, C#, & React Location: Hybrid 3/4 days p/w onsite West London Must have right to work in the UK and located near West London 3 months contract (extension TBC) Start ASAP (Immediate start / within 2 weeks notice) Inside IR35 contract 425pd - ( 538pd rate to umbrella) Equivalent Approx salary Pro rata (Apply online only)k Seeking a Senior Web Application Developer (ecommerce) with Minimum 8 years of Web application development experience consisting of strong C#, ASP.NET MVC 5, and React. Strong knowledge of Object-Oriented Programming, SOLID principles, common design patterns and RESTful API design and integration (experience with SOAP WebServices and XML/XPat) also required. We are looking for a strong portfolio in bespoke eCommerce and enterprise web applications. Other desirable skills include a mix of HTML5, CSS3, JavaScript, jQuery etc. This Snr Web Developer / C#, ASP.NET MVC 5 Developer will to play a key role...

DV Cleared Infrastructure Tester - 6 months+ extensions, 500- 600pd DOE - Full time on site (Hampshire) Looking for a High Level clearance/ DV Cleared Tester with good knowledge of Windows and Linux operating systems, together with the experience of working within a multi-disciplined engineering team. You will leverage your knowledge of integration frameworks to support the continuous integration, deployment, and testing of new features across complex environments. Hands on experience in infrastructure engineering, including the testing, deployment, and maintenance of robust, scalable systems. Direct experience testing and integrating any of the following: Identity and access management (IDAM) systems including role based access control (RBAC) Public key infrastructure (PKI) Server monitoring, audit and patch deployment Key Duties and Responsibilities Running manual tests using the project approved tools. Interpretation of test results and preliminary investigation...

Job title: Technical Architect Job Type: Contract Start date: Immediate Duration: Up to Dec 2026 (Extension possible beyond this) Pay rate: Up to 650 per day, PAYE Location: London / Leiston, Suffolk Hours of work: Monday - Friday Reporting to the Technical Assurance Manager, the Technical Architect is responsible for designing and assuring complex technical solutions. The role provides technical leadership and guidance across projects, ensuring that technology solutions are secure, scalable, reliable, and aligned. The Technical Architect works closely with the Technical Assurance Manager and the Head of Architecture to ensure that technical design and delivery adhere to high standards of quality, security, and operational excellence. This includes working directly with Tier 1 and Tier 2 suppliers, acting as a subject matter expert, and ensuring all technical decisions align with the enterprises architecture and technical assurance frameworks. Applicants...

Job Title: NDH / Commissioning Technician (LV Systems) - National Grid Substation Location: Alyth Substation, Scotland, PH11 8DX Start Date: ASAP Duration: 10 months Rate: 55-60/hour DOE Hours: 45-50 Hours Per Week Contract Type: Contract Looking for a Commissioning Tech to act as a Senior Authorised Person (SAP) / Nominated Designated Holder (NDH) who can take ownership of LV electrical safety on a live National Grid substation project. This is a key position acting as NDH, managing LV systems within a HV environment. This is ideal for someone with strong substation experience and confidence operating at that level. The Role: We are currently seeking an experienced NDH / Commissioning Technician to take responsibility for LV electrical safety systems on a major National Grid substation project. This role sits at the intersection of commissioning and electrical safety, with responsibility for managing LV systems within a live HV environment. It is ideally suited to a...

Operational Technology Systems Administrator/Analyst - 12 Months Contract- Day Rate 450 - 485 (Inside IR35) - Hybrid (1 Day a week South Wales) The Opportunity Yolk Recruitment Public Sector & Not-for-Profit team has partnered with a very unique nonprofit organisation who are undergoing a significant cyber and infrastructure uplift across their operational technology environment. We're looking for a hands-on System Administrator with a strong focus on security, working across critical national infrastructure. What you'll be doing Supporting a large-scale cyber programme aligned to regulatory standards (E-CAF) Managing and securing core infrastructure across: Windows & Linux servers SQL databases Cisco networks WAN and data centre environments Driving patching, vulnerability management and system hardening best practice Supporting rollout and optimisation of security tooling including EDR and intrusion detection Integrating and maintaining...

SQL Database Administrator (DBA) Contract Daily Rate: 450 - 575 (inside IR35 via umbrella) Contract Length: 12 months Location: Hybrid Working - Chester 3 days per week and remote 2 days per week About Us: Our client is a dynamic organisation seeking an experienced SQL Database Administrator to join their team. This role is pivotal in maintaining the security, integrity, and performance of the company's database systems. Key Responsibilities: Administer, maintain, develop, and implement policies and procedures for database security and integrity. Design and implement data models, database designs, and table maintenance codes. Resolve database performance, capacity, replication, and distributed data issues. Manage SQL Server Integrated Services (SSIS), SQL Server Reporting Services (SSRS), and SQL Server Analysis Services (SSAS) effectively. Implement high availability and disaster recovery solutions using clustering, database mirroring, log shipping, and AlwaysOn...