Senior Software Engineer

Senior Software Engineer We’re looking for a Senior Software Engineer to join our team. Reporting to the Operations Manager and working closely with the Project Delivery Team, this role involves contributing to the commissioning of mechanical, electrical, and combined systems primarily within the water industry. What you’ll be doing: Designing, installing, and commissioning PLC/HMI systems (Keyence, Schneider Electric, Allen Bradley, Siemens) Programming using IEC 61131-3 languages, including: Ladder Diagram (LD) Function Block Diagram (FBD) Structured Text (ST) Sequential Function Chart (SFC) Functional Design Specifications Software Design Specifications Hardware Design Specifications PLC hardware configurations and I/O schedules Carrying out PLC, HMI, and control panel FAT & SAT testing Diagnosing and resolving PLC and low‑voltage electrical faults Modifying and installing control systems on existing PLC/HMI setups at operational sites Providing guidance on electrical standards and control systems Interpreting control panel electrical schematics Working in a blended environment, typically around 70% office/home‑based and 30% on customer sites across the UK (with flexibility for 2–3 days of home working when project demands allow) Contributing to continuous improvement of software development processes About you: We welcome applications from people of all backgrounds, experiences, and career paths. If you meet most of the criteria below and are motivated to grow into the role, we encourage you to apply. An industry‑relevant ONC, City & Guilds, NVQ, or equivalent qualification Experience working within the water and/or wastewater sectors, ideally on SEMD frameworks Health & Safety certifications (e.g. IOSH, CITB 5 Day Site Safety Management), along with a CSCS card and First Aid training Working knowledge of Microsoft Office applications Blue Water Hygiene Card (or willingness to obtain) What we can offer in return: With an impressive order book of over £3.8 billion, we are one of the industry’s leading principal contractors, affording you the opportunity to work on some of the UK’s most exciting projects and realise long‑held career goals. We are committed to maintaining the physical and mental wellbeing of all our people through our ‘Be Well’ programme, which offers discounts on certain products, advice and support for a range of issues. We invest in high‑quality training for employees of all levels, from our leadership development framework to our apprenticeship programmes. Through our Career Paths initiative, individuals receive tailored training and support to fulfil their potential. Our Agile Working programme empowers you with flexibility in when, where and how you work, offering a variety of working practices that suit your needs and those of your wider team. Our people‑first culture is reflected in a comprehensive benefits package including competitive salary and: Generous holiday entitlement, increasing with years of service, plus the opportunity to purchase additional holidays A wide range of corporate discounts Cycle to Work schemes Regular Save as You Earn share purchase scheme Private medical scheme options (available to all salaried employees) and a 24/7 employee assistance programme Paid yearly membership to one recognised professional association relevant to your role About us: Our purpose is to improve people’s lives through building the facilities and infrastructure that communities need, providing opportunities for our people to learn, grow and progress, and promoting the very best working practice while caring for the environment in which we work. We hold true to our values, delivering excellence and integrity for our clients and the community. For more information on this role or to enquire about other positions available within our business please contact View email address on click.appcast.io Additional Information: Galliford Try welcomes applications from candidates who would like to work full‑time, reduced hours or flexibly and this will be discussed in more detail as part of the recruitment process. We encourage you to confirm any requirements we can reasonably fulfil to make your application a positive experience. If you don’t meet every requirement of the role, you may still be a good fit—our commitment is to build a diverse, inclusive and authentic workplace. As a Disability Confident employer, we are committed to offering an interview to any candidate with a long‑term health condition or disability that meets the essential criteria for the advertised position. Please contact the Resourcing Partner listed within the job advert if you believe this applies to you. We will discuss any adjustments required for your interview. Job Info Job Identification 3068 Job Category Engineering Posting Date 06/22/2026, 09:21 AM Apply Before 06/27/2026, 11:00 PM Job Schedule Full time Job Shift Day Locations Jarrold Way, Norwich, NR5 9JD, GB #J-18808-Ljbffr