About Us

Sophos is a global leader and innovator of advanced security solutions designed to stop cyberattacks. In February 2025, the company acquired Secureworks, bringing together two pioneers that have reshaped the cybersecurity industry through innovative, native AI-optimized services, technologies, and products. Sophos is now the largest pure-play Managed Detection and Response (MDR) provider, supporting more than 28,000 organizations. Alongside MDR and other offerings, Sophos provides a complete portfolio of leading endpoint, network, email, and cloud security solutions that work together and adapt through the Sophos Central platform to defend against threats. Secureworks delivers industry-leading Taegis XDR/MDR, identity threat detection and response (ITDR), next-generation SIEM capabilities, managed risk services, and a wide range of advisory services. Sophos sells these solutions worldwide through reseller partners, Managed Service Providers (MSPs), and Managed Security Service Providers (MSSPs), protecting more than 600,000 organizations from phishing, ransomware, data theft, and other everyday as well as state-sponsored cybercrime. Its solutions are powered by both historical and real-time threat intelligence from Sophos X-Ops and the newly added Counter Threat Unit (CTU). Sophos is headquartered in Oxford, UK. More information is available at www.sophos.com.

ROLE SUMMARY

This role reports to the Global Accounting Compliance Controller and is responsible for maintaining and managing the Onestream system. You will ensure the system’s integrity, performance, and reliability; troubleshoot and resolve system issues; support end users; and drive improvements to meet evolving business needs.

Working closely with Finance and IT, the Onestream Administrator will help continuously strengthen financial control and reporting processes, ensuring data accuracy, compliance, and operational efficiency. This includes using automation and emerging AI capabilities within Onestream and related tools to improve data quality, streamline workflows, and enhance the user experience.

The position is also responsible for producing documentation, creating and delivering user training, and contributing to development of a strategic roadmap to ensure alignment with business objectives and the system’s future direction.

The role has no direct reports, but will be supported by another team member who assists with day-to-day and BAU (business-as-usual) system administration tasks.

What you will do

• System administration:
• Manage metadata
• User management (setup, disablement, access controls, etc.)
• Manage system configuration
• Maintain and support manual and automated interfaces and integrations (e.g., with SAP)
• Data management, including data loading, validation, and reconciliation processes to ensure accuracy across entities and reporting hierarchies
• System monitoring and issue resolution—oversee daily operations, identify issues, troubleshoot, and resolve problems quickly to ensure smooth service
• Identify opportunities to apply automation or AI-driven controls to improve accuracy, strengthen validation, or reduce manual effort where appropriate
• User training and support:
• Be the first point of contact for user questions
• Manage the JIRA ticketing system
• Deliver structured onboarding, training, and ongoing knowledge sessions
• Use AI-enabled tools to improve training materials, user communications, and documentation when beneficial
• Process improvement and roadmap development:
• Find and implement opportunities to optimize system usage and streamline existing processes
• Stay current with new developments and trends in the Onestream Solution Exchange, using the latest functionality to improve Sophos processes
• Partner with stakeholders to define and maintain an Onestream roadmap, ensuring enhancements align with strategic business priorities
• Assess and integrate relevant emerging AI capabilities (e.g., predictive analytics, automated reconciliations, workflow optimization, and intelligent reporting) into the roadmap
• Other:
• Reporting & Analysis—support the design, development, and maintenance of Onestream reports, dashboards, and templates. Contribute to opportunities to include AI-assisted insights where appropriate
• Upgrades & Enhancements—help with system upgrades, testing, and deployment of new features or modules, including those involving automation or AI functionality
• Collaboration—work closely with Finance, IT, and external consultants to ensure the system supports compliance, controls, and operational excellence
• Documentation—create and maintain comprehensive system and process documentation, including user guides, change logs, and configuration records. Use AI tools to improve clarity, version control, and efficiency of documentation workflows
• Keep knowledge of Onestream up to date
• Actively participate in internal AI and digital finance learning programs
• Attend relevant workshops, industry forums, and professional development events to stay informed about best practices and emerging technologies in finance automation
• Holiday restrictions apply at month-end, quarter-end, and financial year-end

What you will bring

• Essential
• Experience administering Onestream
• Strong skills in Excel and other Office 365 applications
• Knowledge of accounting concepts and principles
• Understanding of core financial processes and best practices
• Proven ability to troubleshoot and resolve system issues, with the ability to explain technical concepts to non-technical users
• Experience partnering with the business and managing relationships with multiple stakeholders
• Experience delivering user training and developing system roadmaps
• Experience documenting processes and procedures
• Excellent troubleshooting and problem-solving skills
• Degree level qualification or equivalent
• Desirable
• Exposure to AI- or automation-enabled finance tools
• Exposure to other systems—experience with SAP is a plus
• Experience working in a software company, ideally within a global organization and supporting global finance initiatives as part of a global finance team
• Experience supporting system upgrades, testing cycles, or user acceptance testing (UAT)
• Experience on financial systems projects or implementing financial systems
• Experience with Onestream business rules and building cube views
• Project management experience
• Degree in Accounting, Finance, Information Systems, or a related field
• Professional qualification or partial qualification (e.g., ACCA, CIMA) is a plus

Ready to Join Us?

At Sophos, we believe that diverse perspectives drive innovation. Research shows that candidates sometimes hesitate to apply if they don’t meet every requirement in a job description. We encourage you not to hold back—your unique experiences and skills may be exactly what our team needs.

What’s Great About Sophos?

· Sophos uses a remote-first approach, with remote work as the primary option for most employees. Some roles may require a hybrid arrangement. Even in a remote-first organization, applicants must have legal permission to work in the location where the role is posted, without employer sponsorship.

· We innovate and create, with a strong sense of fun and team spirit

· Employee-led diversity and inclusion networks that build community and provide education and advocacy

· Annual charity and fundraising initiatives, plus volunteer days to support local communities

· Global sustainability initiatives to reduce our environmental impact

· Global fitness and trivia competitions to keep both minds and bodies sharp

· Global wellbeing days to help employees relax and recharge

· Monthly wellbeing webinars and training to support employee health and wellbeing

Our Commitment To You

We are proud to foster a diverse and inclusive environment at Sophos and are committed to equal opportunity. We believe that diversity, combined with excellence, leads to a better Sophos, and we welcome applicants who can add to the diversity of our team. All applicants will be treated fairly and equally in line with the law, regardless of gender, sex, gender reassignment, marital status, race, religion or belief, color, age, military veteran status, disability, pregnancy, maternity, or sexual orientation. We want to help you show your best self, so if there are any adjustments we can make during recruitment and selection to support you, please let us know.

Data Protection

If you choose to explore an opportunity and then share your CV or other personal information with Sophos, Sophos will keep these details for 12 months under our Privacy Policy and use them to contact you about this or other relevant opportunities. If you want Sophos to delete or update your information at any time, please follow the steps in the Privacy Policy that describe your rights. For more information about Sophos’ data protection practices, please review our Privacy Policy: Cybersecurity as a Service Delivered | Sophos