Senior Network Administrator jobs in Doncaster

You will move between high-level strategy and operational reality, ensuring our inbound network is scalable, governed, and resilient.

You will be a key technical authority for Terraform across our Azure Data and AI platforms. What You’ll Be Doing In this role, you will: - Own and lead Terraform-based infrastructure design for Azure, ensuring scalability, security, and compliance by default. - Develop and maintain advanced Terraform modules, standards, and patterns used across multiple teams and environments.

You must reside in and have eligibility to work in the UK. Please note, only suitable applicants will be contacted. If your address and contact details are not on your CV, you will not be considered.

You will be required to hold or successfully apply for SC and NPPV3 security clearances. Strong understanding of networking technologies, infrastructure technology and hardware. Experience with network monitoring configuration, deployment and operation. Familiar with Cryptographic handling and controls.

Sewell Wallis is delighted to be partnering with a top 20 accounting firm. Following continued growth, this firm is seeking a Semi Senior Accountant to join its Doncaster, South Yorkshire team. The successful Semi Senior Accountant candidate will ideally be ACA/ACCA part-qualified or actively studying and will have experience preparing year-end accounts. What will you be doing? - Work with a...

You will develop trusted advisor relationships with prospects and customers by educating, presenting, demonstrating, and conducting POCs of Mirantis’ AI Infrastructure platform. This role offers the opportunity to work on ambitious, cutting-edge technology within the fast-evolving AI and cloud-native ecosystems.

An opportunity for an experienced Account Executive to ‘level up’ in all areas – from the proposition and service you’ll offer your clients, through the way you’re rewarded and managed and into the progressive environment you’ll work in. You’ll join a commercial insurance broking business with a compelling story; the firm is innovative and amongst the fastest-growing in the UK – all built on a...

Senior Clinical Psychologist (Remote) - Salary: Negotiable - Location: Remote - Job Type: Permanent Full-time Opportunities - Start Date: ASAP About The Role We’re seeking a Senior Clinical Psychologist to join RTN Mental Health Solutions. This fully remote role offers the opportunity to play a key part in the diagnostic journey for children, young people, and adults with suspected autism and...

Foundever are looking for a new EMEA Senior Pricing Director, reporting to the Leader of Global Pricing. The role combines commercial strategy, analytical skills, financial acumen, team work and a strong ability to support nuanced decision-making in fast-paced deals. He/She/They will be working on high-profile deals with Global and EMEA clients. Supported by Pricing Managers, the Pricing...

You will work closely with developers, IPPs, EPCs, investors, and utilities to bring large-scale solar projects to fruition using our industry-leading ABC technology. Key Responsibilities: - Define and execute the UK utility-scale sales strategy - Identify, develop, and close multi-MW solar project opportunities

BRAND NEW ROLE - Senior Exec Level - Marine Geo Director of Business Development - Geotechnical Engineering & Geoscience Consulting About the Company Our client are a growing offshore geotechnical services and consulting unit, focused on delivering high-quality, technically robust solutions across the offshore, nearshore, and onshore environments. While offshore geotechnical investigations...

Founded in 2003 and headquartered in Singapore, Group-IB is a leading creator of cybersecurity technologies to investigate, prevent, and fight digital crime. Combating cybercrime is in the company’s DNA, shaping its technological capabilities to defend businesses, and citizens, and support law enforcement operations. Group-IB’s Digital Crime Resistance Centers (DCRCs) are located in the Middle...

Senior Sales Executive - Technology & Software Consultancy Cloud, Data & AI Solution for Retail & CPG Location: London, UK Salary: £80,000 - £110,000 base + double OTE (uncapped) My client, a leading global software and technology consultancy, is looking for a Senior Sales Executive to drive growth in the Retail & Consumer Packaged Goods (CPG) sector. This is a high-impact IT/Software sales...

You will be responsible for the safe operation, switching, and maintenance of high-voltage networks, ensuring compliance with all relevant safety rules and regulations. Key Responsibilities: - Carry out HV switching operations up to 33kV under safety rules. - Issue and cancel safety documents (e.g., permits to work, isolation certificates).

📍 Remote | Full-Time 👋 About Us Medify is a mission-driven EdTech company widening access to medicine and healthcare careers. Our platform supports thousands of learners preparing for high-stakes admissions exams, and our engineering team plays a critical role in delivering reliable, scalable, and high-quality learning experiences. Medify Engineering is a team of ten engineers across two...

You will define and execute a go-to-market strategy, lead a remote sales team, and manage the entire sales cycle – from prospecting and solution design to closing high-value deals. You’ll leverage your deep understanding of broadband technologies and the UK altnet market to build lasting, C-level relationships and secure multi-year agreements.

You will be responsible for the entirety of the back end features of the products.

You will be in charge of building scalable backend services and awesome messaging queues.

You will be responsible for developing a Python-based back end platform that's handling 100,000+s of interactions daily.

You will own strategic utility-scale customer relationships, drive BESS project sales from early-stage opportunity through execution, and position LONGi as a trusted partner for large-scale energy storage solutions. Your role is pivotal in building LONGi’s footprint in the fast-growing storage market and enabling energy transition through commercially successful projects.

Senior Data Engineer | Remote (UK or Europe) A leading prop trading firm is hiring a Senior Data Engineer to take ownership of their trading and market data infrastructure. Operating globally with connectivity to dozens of exchanges, the firm executes millions of trades daily with data playing a mission-critical role in every aspect of the business. This is a high-impact, high-autonomy role in...

Senior Python Scraping Engineer Location: Fully remote Salary: £60,000 – £70,000 The Opportunity I'm looking for a Python Scraping Engineer to join a growing AI-focused data team. What You’ll Do - Design, build, and maintain large-scale production web scrapers - Tackle advanced anti-bot and detection systems - Work with browser automation and dynamic, JavaScript-heavy sites - Improve...