principal .net engineer jobs in Rotherham

We are seeking a highly skilled Principal Data Engineer to design, construct, and maintain scalable data architecture platforms. The core focus involves developing robust ETL/ELT pipelines using modern orchestration tools to ensure high data quality and accessibility. Responsibilities include optimizing complex SQL queries, implementing efficient data warehousing solutions, and collaborating with...

We are seeking a highly motivated engineering manager to lead high-performing cross-functional teams. This role requires defining technical roadmaps, ensuring architectural integrity, and driving strategic execution of complex projects. Key responsibilities include managing team performance, fostering a culture of innovation, and collaborating effectively with product management and senior...

A leading technology firm in the UK is seeking a Senior Software Engineer to work on Research and Development projects in tactical communication. This role involves designing, implementing, and testing software subsystems. Candidates must have strong Windows development experience and C# skills, with familiarity in containerisation. Salary ranges from £45,600 to £60,000 plus benefits, with hybrid...

1 day ago Be among the first 25 applicants Company Description General Dynamics Mission Systems engineers a diverse portfolio of high technology solutions, products and services that enable customers to successfully execute missions across all domains of operation. With a global team of more than 13,000 top professionals, we partner with the best in industry to expand the bounds of innovation in...

Overview Job Title: Principal Design Engineer Mechanical Location: Portsmouth Naval Base. We offer a range of hybrid and flexible working arrangements – please speak to your recruiter about the options for this particular role Salary: Up to £54,000 depending on skills and experience + bonus What you'll be doing Participating fully in Design Reviews either presenting information to the review...

… You’ll get all the benefits of being employed by us, while working on a variety of projects for our clients. Joining Waterman Aspen as a Senior / Principal Structural Engineer will see you as a key member of the South West and Wales team and you can expect: A varied client base where you can apply and develop your skills Buy-in from clients to assist in your technical progression Further...

You will lead on International Waste Shipments regulation, ensuring businesses meet legal requirements. You ll also assess compliance and take proportionate enforcement action to maintain high standards.

You will be contracted to the nearest NRW office to your home and a suitable hybrid working pattern will be agreed on appointment.

Your new company Our client is an Environmental Consultancy based in Manchester and Leeds who were established in 2007. They offer a range of specialist environmental services to public and private sector organisations across the UK. They are looking for someone to support them with their mission to improve sustainability in the UK. Supporting various clients to develop their sustainability...

Specialist Security Project Manager Secure / Custodial Projects Location: South Wales / Bristol / M4M5 Corridor (UK-wide projects) Salary: Competitive market rate DOE + company vehicle Im recruiting on behalf of a highly established and forward-thinking electronic security contractor that operates at the highest end of the secure and custodial sector. Due to sustained growth and multiple new...

Blue Arrow is urgently recruiting for a Software Engineer (Graduate) to join our clients growing Automotive Manufacturing team based in the Llanelli area. Contract: PermanentSalary: Up to £30,000p.aHours of work: 37 hours per week: Mon-Thurs 8:30-17:00 & Fridays 9:00-15:00 Travel expected: Cannock in West Midlands and Germany (infrequently) Job Summary:Our client is seeking an experienced...

Our client is a highly respected, global engineering organisation specialising in advanced mechanical solutions for critical industrial applications. With a strong focus on innovation, sustainability, and long-term customer partnerships, the business operates across multiple international markets and is recognised as a leader within its sector. Driven by continuous improvement and investment in...

Role: Application Operations Engineer (full or part time: at least 60% FTE) Division: Assessment & Qualifications Delivery Location: Rotherham, UK Salary: £35-39k plus on target bonus of 8% About Pearson Our purpose: At Pearson we ‘add life to a lifetime of learning’ so everyone can realise the life they imagine. We do this by creating vibrant and enriching learning experiences designed for...

You will be joining diverse teams working at a high professional level with exceptional levels of commitment. With an ambitious strategy, we’re poised for further growth and success, so if you’re committed, talented and enthusiastic, Galliford Try is the right place for you.

You will lead the design and delivery of civil engineering projects, manage client relationships, and mentor junior engineers. The ideal candidate will have a degree in Civil Engineering, significant consultancy experience, and expertise in drainage and highway design standards.

You must possess expert knowledge in mechanical design, a relevant HNC, and experience using industry-standard tools like AutoCAD and SAP. Enjoy flexible working arrangements, robust benefits, and the opportunity to contribute to UK defense. Closing date for applications is 4th February 2026.

You will be joining diverse teams working at a high professional level with exceptional levels of commitment. With an ambitious strategy, we’re poised for further growth and success, so if you’re committed, talented and enthusiastic, Galliford Try is the right place for you.

You will drive innovation, ensure technical excellence, and deliver integrated solutions that meet demanding operational requirements.

You will support in response efforts, mentoring junior team members, and collaborating with contractors and partners to ensure successful project delivery. Your work will directly contribute to improving infrastructure resilience and achieving our sustainable management goals.

You will be contracted to the NRW office at the above location/ place base.

Company Description General Dynamics Mission Systems engineers a diverse portfolio of high technology solutions, products and services that enable customers to successfully execute missions across all domains of operation. With a global team of more than 13,000 top professionals, we partner with the best in industry to expand the bounds of innovation in the defence and scientific arenas. In the...

Principal & Senior Systems Engineers (Multiple Roles) General Dynamics UK Limited is looking for experienced Principal and Senior Systems Engineers to join our Mission Systems team. These roles involve development and delivery programs, customer research, and internal R&D projects. Typical Day To Day Activities Analysis of user and system level documentation (URD, SRD, CONOPs, Use Cases,...