Rullion are looking to recruit for the following role: Electronics Engineer Start : 1st May 2026 12 month contract Location : Oxford Inside IR35 PAYE 46 Per hour / 59 Per hour Umbrella. 7.5 hours per day 37.5 hours per week Power Supply & Power Electronics Design Design and develop high-current, high-stability power supplies for superconducting magnets and related systems Design linear and switch-mode power converters (DC/DC, AC/DC, current-regulated supplies) Develop precision current regulation and control loops with excellent stability and low ripple Perform detailed control-loop analysis (Bode plots, phase margin, transient response) Design protection circuits (over-current, over-voltage, ground fault, quench-related protection) Select power semiconductors (IGBTs, MOSFETs, diodes), magnetics, and passive components Magnet System Support Support powering, ramping, and steady-state operation of superconducting magnets Understand magnet load...

Job Title: VMWare Engineering Lead Location: Sheffield OR Birmingham (3 days per week on-site) Salary/Rate: Up to 485 per day Start Date: March 2026 Job Type: 10-month contract (Inside IR35) Company Introduction: We are currently recruiting for an Engineering Lead with experience in large-scale IT infrastructure & distributed systems to join our tier-1 banking client on an exciting long-term contract. Role overview The role is part of the Virtualisation Engineering Team within Distributed Compute in CTO Enterprise Services. A VMware Engineering POD Lead is responsible for guiding the development and delivery of VMware products, ensuring they meet business needs and customer expectations. Responsible for VMware Products Vision and Strategy with a focus on automation, availability, reliability, performance, and scale. Managing complex environmental issues, collaborating with wider teams, such as Operations, Applications, Engineering, Connectivity, and...

Job Title: Product Owner Location: Sheffield OR Birmingham (3 days per week) Salary/Rate: Up to 485 per day Start Date: March 2026 Job Type: 10-month contract (inside IR35) Company Introduction: We are currently recruiting for a Product Owner to join our client in the financial services sector. Job Responsibilities/Objectives: Lead and mentor a team of VMware engineers within the POD structure Responsible for people and performance management of the team Design, deploy, and manage VMware vSphere, VRO, vRLI, and related technologies Oversee day-to-day operations, troubleshooting, and performance tuning of the virtual environment Collaborate with cross-functional teams to deliver infrastructure solutions for business needs Drive automation initiatives using tools such as PowerCLI, Ansible, or vRealize Suite Develop and maintain technical documentation, standards, and best practices Participate in capacity planning, disaster recovery, and business...