DV Cleared Senior Software Engineer Aldermaston - Onsite 12-month contract | Outside IR35 Are you a DV cleared Software Engineer who can take full ownership of software delivery on site? Do you enjoy building Siemens PLC solutions from scratch in secure, regulated environments? Looking for a long-term contract with a strong on-site engineering focus? What's in it for you £650 to £750 per day Outside IR35 12-month contract 4-5 days onsite per week Work on high-security, technically challenging projects What will you be doing? Designing, developing and programming Siemens PLC systems from scratch Leading all software activities on an assigned project Configuring Siemens PLCs, HMIs and associated networks Producing on-site test documentation and supporting FATs and SATs Carrying out on-site testing and commissioning of PLC systems Acting as the technical interface with the client during delivery Providing technical leadership, mentoring and support to other engineers Ensuring software delivery meets programme, budget and quality requirements Where you'll be doing it You'll be based on site in Aldermaston, working within a highly secure defence environment on mission-critical control system projects. What you'll need Active DV clearance (essential) Strong experience programming Siemens PLCs from scratch Background in on-site commissioning and testing of PLC systems Experience working in secure or regulated environments Ability to technically lead software activities and support junior engineers Confident communicator, comfortable working directly with clients Degree-level qualification in a relevant engineering discipline (or equivalent experience) We appreciate your CV may not be up to date. No problem, just apply and we can deal with that later. Important Information: We endeavour to process your personal data in a fair and transparent manner. In applying for this role, Russell Taylor will be acting within your interest and will contact you in relation to the role, either by email, phone or text message. For more information see our Privacy Policy on our website. It is important you are aware of your individual rights and the provisions the company has put in place to protect your data. If you would like further information on the policy or GDPR please get in touch with us here.