Job Listings

At OneAdvanced, we’re on a mission to Power the World of Work– and we need sharp minds behind the numbers to make it happen. We’re looking for a motivated, solution focused Financial Accounting Manager to join our dynamic central finance function. You’ll play a pivotal role in ensuring accurate financial reporting, strengthening internal controls, and uncovering insights that drive smarter business decisions. This is more than just month-end – it's your chance to shape processes and influence change.   You’ll join a close-knit team with a genuine culture of openness, support, and honest feedback. You’ll gain hands-on experience that will accelerate your career....

We are looking for a hands-on Software Architect to take ownership of a mission-critical legacy platform built on .NET Framework and SQL Server, while also leading the evolution of this system into a modern, scalable SaaS solution using microservices architecture and cloud-native technologies. This role is a dual-focus opportunity — maintaining and enhancing existing systems while architecting and guiding the strategic transformation toward a modern platform using .NET 8, Vue.js, Azure, and Microservices.

We’re seeking an exceptional Principal Consultant to act as a senior technical authority. This role is ideal for an experienced engineer who thrives at 4th line support, complex project delivery, and cross-platform problem solving in multi-tenant environments typical of a Microsoft-focused MSP.   You’ll operate at the forefront of service excellence—architecting high-impact solutions, resolving deeply technical issues, and contributing to client-facing delivery across strategic and enterprise-level projects.   This is not a line management role but one where leadership is demonstrated through technical depth, collaboration, and...

Our IT Managed Services business enables customers to innovate, transform, and seize new opportunities. The Technical Operations function underpins this mission by delivering enterprise-grade, 24x7x365 technical support to mid-market clients across both public and private sectors. We operate a shared services model aligned with ITIL v4, underpinned by ServiceNow, automation, and generative AI. Our 24x7 Operations squads cover infrastructure, cloud, modern workplace and core services, providing preventative management and incident response.   As a Senior Systems Engineer, you will provide third-line expertise in Windows server and cloud infrastructure technologies. This role is pivotal in...

Our IT Managed Services business enables customers to innovate, transform, and seize new opportunities. The Technical Operations function underpins this mission by delivering enterprise-grade, 24x7x365 technical support to mid-market clients across both public and private sectors. The Technical Operations team is integral to our ITIL v4-aligned service model, which leverages ServiceNow automation and agentic AI. We deliver a centralised, knowledge-driven shared service—engineered for speed, consistency, and technical excellence through systemised quality control and accessible, authoritative knowledge.

Our IT Managed Services business enables customers to innovate, transform, and seize new opportunities. The Technical Operations function underpins this mission by delivering enterprise-grade, 24x7x365 technical support to mid-market clients across both public and private sectors. The Technical Operations team is integral to our ITIL v4-aligned service model, which leverages ServiceNow automation and agentic AI. We deliver a centralised, knowledge-driven shared service—engineered for speed, consistency, and technical excellence through systemised quality control and accessible, authoritative knowledge.

The e-Commerce Consultant is dedicated to empowering customers on our Purchasing Marketplace delivering standout support, driving adoption, and creating strategies that fuel growth and lasting partnerships. This role is based at our York office, with the flexibility and remote working. Team members are typically expected to attend on-site 1–2 times per month.

We are seeking a driven and results-oriented professional to lead our finance team and play a key role in the financial success of our organization. In this critical role, you will oversee all aspects of our financial operations, ensuring accuracy, efficiency, and adherence to best practices. You will be a trusted advisor to senior management, providing financial insights and analysis to support strategic decision-making.

OneAdvanced is a business that embraces innovation, enabling its customers to seize opportunity and transform their business. Life at OneAdvanced begins in an exciting environment in a role that matters. We are looking for an experienced individual to maintain enterprise infrastructure in UK datacentres for high profile, Managed Services customers. You will bring all round traditional hosted infrastructure operational experience (e.g. VMWare, backups, storage and monitoring etc). The role will focus on on-premise, private and hybrid cloud...

Our IT Managed Services business enables customers to innovate, transform, and seize new opportunities. The Technical Operations function underpins this mission by delivering enterprise-grade, 24x7x365 technical support to mid-market clients across both public and private sectors. We operate a shared services model aligned with ITIL v4, underpinned by ServiceNow, automation, and generative AI. Our 24x7 Operations squads cover infrastructure, cloud, modern workplace and core services, providing preventative management and incident response.   As a Senior Systems Engineer, you will provide third-line expertise in Windows server and cloud infrastructure technologies. This role is pivotal in...

Our IT Managed Services business enables customers to innovate, transform, and seize new opportunities. The Technical Operations function underpins this mission by delivering enterprise-grade, 24x7x365 technical support to mid-market clients across both public and private sectors.   We operate a shared services model aligned with ITIL v4, underpinned by ServiceNow, automation, and generative AI. Our 24x7 Operations squads support the health and performance of Microsoft Modern Workplace environments, ensuring proactive management, preventative maintenance, and operational excellence.   As a Senior Systems Engineer, you...

Job Summary: The Collections Analyst is responsible for managing the accounts receivable portfolio and ensuring the timely collection of outstanding customer invoices. This role involves analysing customer accounts, identifying delinquencies, resolving billing discrepancies, and collaborating with internal and external stakeholders to minimize credit risk and improve cash flow

Are you looking for an opportunity to unlock your potential and embark on a dynamic career path in sales?   We are seeking highly motivated, ambitious and success-driven individuals to join our innovative Sales Development team here at OneAdvanced. As a Sales Development Representative, you will play a pivotal role in spearheading the company’s growth through identifying, nurturing, and cultivating relationships with potential customers.  

Our IT Managed Services business enables customers to innovate, transform, and seize new opportunities. The Technical Operations function underpins this mission by delivering enterprise-grade, 24x7x365 technical support to mid-market clients across both public and private sectors. We operate a shared services model aligned with ITIL v4, underpinned by ServiceNow, automation, and generative AI. Our 24x7 Operations squads cover infrastructure, cloud, modern workplace and core services, providing preventative management and incident response.   As a Senior Systems Engineer, you will provide third-line expertise in Windows server and cloud infrastructure technologies. This role is pivotal in...

Our Principal Architects are responsible for leading the architectural vision and strategy for complex projects across the business. This role involves overseeing the design, planning, and execution of architectural solutions, ensuring they align with business objectives and technical requirements. Principal Architects play a crucial role in guiding teams, managing stakeholder expectations, and driving innovation within the organization.

As a Senior Software Engineer, you will be a technical leader and architect, taking full ownership of modernizing and scaling our enterprise-grade product. Within your first year, you will have led major feature rollouts, improved system scalability, and mentored the engineering team, driving technical excellence across the board.

We are a dynamic and forward-thinking business on a mission to simplify how we work, elevate the employee and customer experience, modernise our platforms, and make a real impact on society. 

We're seeking an experienced and skilled Lead Anaplan Developer to drive the continued growth and development of our Anaplan solution. As we're still in the early stages of our Anaplan journey, with key modules such as financial reporting, ARR, and workforce planning going live in H1 2025, we're looking for a candidate that can help us unlock the full potential of Anaplan as our chosen Business Intelligence and planning tool.

- Financial Analysis: Develop and maintain complex financial models that provide actionable insights on cost trends and performance. - Cost Optimization: Identify and implement cost-saving opportunities that drive business growth and profitability. -

We’re looking for a Senior SRE Automation Engineer to lead and drive automation across the operations lifecycle. The ideal candidate will be responsible for identifying and implementing automation opportunities to reduce manual intervention, minimise service tickets, and enable self-service capabilities. You will lead efforts to build self-healing infrastructure, eliminate repetitive tasks, and incorporate AI-based tools for proactive issue resolution and auto-remediation—ultimately enhancing platform stability and customer success.

  About the Role   📣The successful candidate will play a critical role within our Legal & Compliance team, helping to improve and maintain our Privacy by Design and by Default programme, serving as the technical bridge between Legal & Compliance and Security teams by translating privacy by design...

An opportunity has arisen to join our team as a Principal Software Engineer! This is a dynamic role that will produce and deliver scalable software solutions as part of a multidisciplinary Scrum team.   Focused primarily around the design and developmet of Python, Django rest framework based application hosted within AWS, our goal is to harness serverless technologies to provide market-leading solutions. We are looking for an experienced Software Engineer to play a key role in guiding the team towards successfully delivery of the product & technology vision, and to ensure best practices in design and security are followed throughout the development process.

At OneAdvanced we deliver innovative IT solutions and support to a diverse portfolio of clients. Our mission is to empower businesses through technology, and we believe our people are the key to our success. We are seeking a strategic and people-focused People Manager to join our dynamic team and help shape the future of our workforce.   As a People Manager, you will act as a strategic advisor and consultant to business leaders across the organization. You will support the full employee lifecycle, drive HR initiatives, and ensure alignment between business objectives and HR strategies. This role requires a proactive, adaptable, and collaborative professional who thrives in a fast-paced, service-oriented...

Job Description: SRE Engineering Manager - DevOps & Reliability   Overview: We are seeking a highly skilled and experienced SRE Engineering Manager to lead our Site Reliability Engineering (SRE) and DevOps teams. This leader will play a crucial role in overseeing the software development lifecycle, driving automation, reliability, and performance improvements, while ensuring alignment with company objectives. This position requires a combination of technical expertise, leadership, strategic thinking, and the ability to manage a team of engineers. As a key enabler of business success, the SRE Engineering Manager will be instrumental in ensuring the reliability and...