Senior Data Engineer

About Us

Sophos is a cybersecurity leader defending 600,000 organizations globally with an AI-driven platform and expert-led services. Sophos meets organizations wherever they are in their security maturity and grows with them to defeat cyberattacks. Its solutions combine machine learning, automation, and real-time threat intelligence with frontline human expertise from Sophos X-Ops to deliver advanced, 24/7 threat monitoring, detection, and response.

Sophos offers industry-leading managed detection and response (MDR) alongside a comprehensive portfolio of cybersecurity technologies — including endpoint, network, email, and cloud security, extended detection and response (XDR), identity threat detection and response (ITDR), and next-gen SIEM. Together with expert advisory services, these capabilities help organizations proactively reduce risk and respond faster, with the visibility and scalability needed to stay ahead of evolving threats.

Sophos goes to market with a global partner ecosystem, including Managed Service Providers (MSPs), Managed Security Service Providers (MSSPs), resellers and distributors, marketplace integrations, and cyber risk partners, giving organizations the flexibility to choose trusted relationships when securing their business. Sophos is headquartered in Oxford, U.K. More information is available at www.sophos.com .

Role Summary

As a Senior Data Engineer, you will drive the design, delivery, support, and continuous improvement of enterprise data integrations and data warehouse solutions. You will act as a technical subject matter expert for the data engineering area, independently lead delivery for significant epics, and mentor other engineers. You will translate business and data requirements into scalable, supportable solutions while ensuring engineering quality, testing, documentation, operational readiness, and adherence to development standards.

What you will do

• Own the technical design and end-to-end delivery of complex data engineering epics, from requirements analysis and solution design through implementation, testing, release, and production support.

• Act as a technical subject matter expert for the data platforms, integrations, and warehouse areas owned by the team.

• Design scalable ETL/ELT solutions and produce supporting technical documentation, including data flows, dimensional models, interface specifications, operational runbooks, and support procedures.

• Develop and optimize Matillion ETL components and orchestrations, complex SQL, stored procedures, and reusable data transformation frameworks.

• Own and continuously improve the data engineering codebase, development practices, coding standards, observability, quality controls, and maintainability.

• Lead technical analysis, build-design sessions, code reviews, and solution reviews with Business Analysts, Technical Architects, business stakeholders, and cross-functional engineering teams.

• Assess dependencies across connected systems and perform impact, scalability, operational, security, and delivery risk analysis for proposed changes.

• Ensure testing coverage is appropriate across unit, system, regression, integration, performance, and user acceptance testing; identify gaps and drive corrective actions.

• Provide advanced troubleshooting and root-cause analysis for complex data pipeline, warehouse, integration, data quality, and performance issues.

• Coordinate releases across development, sandbox, test, and production environments in partnership with DevOps and relevant application teams.

• Use monitoring and alerting capabilities to ensure pipelines complete accurately and within required service expectations; drive preventative improvements based on operational trends.

• Represent Data Engineering in cross-functional enhancements and projects, coordinating technical dependencies and supporting issue resolution.

• Communicate technical approaches, trade-offs, risks, and outcomes clearly to engineering teams, business stakeholders, and cross-functional forums.

• Conduct technical presentations and knowledge-sharing sessions on delivered solutions, standards, and engineering practices.

• Mentor and coach engineers, strengthening the team’s technical capability and promoting consistent engineering practices.

• Provide out-of-hours support as requested for critical incidents and contribute to incident reviews and permanent remediation.

What you will bring

Essential

• Strong professional experience designing, building, and supporting enterprise ETL/ELT and data warehouse solutions.

• Advanced SQL skills, including complex transformations, performance tuning, stored procedures, and troubleshooting.

• Hands-on experience with at least one enterprise ETL/ELT platform such as Matillion, Informatica, SSIS, Talend, or a comparable technology.

• Experience with cloud or enterprise data warehouse platforms such as Snowflake, Amazon Redshift, or SQL-based warehouse technologies.

• Strong knowledge of relational and dimensional data modelling, including the ability to communicate designs through ER diagrams, data flow diagrams, process models, and dimensional models.

• Demonstrated ability to design scalable, extensible solutions without introducing avoidable technical debt.

• Experience leading the technical delivery of significant features or epics and coordinating work across multiple systems or teams.

• Experience establishing or improving engineering standards for code quality, testing, deployment, monitoring, documentation, and supportability.

• Advanced troubleshooting and root-cause analysis skills across pipelines, databases, integrations, and production environments.

• Ability to assess solution impacts, dependencies, risks, and trade-offs across connected systems.

• Experience partnering directly with business stakeholders, Business Analysts, Technical Architects, DevOps, QA, and other engineering teams.

• Ability to mentor engineers and provide clear, constructive technical guidance through design and code reviews.

• Excellent written and verbal English communication skills, including the ability to present technical topics to different audiences.

• Ability to independently plan and prioritize work, manage competing commitments, and deliver to agreed quality and timelines.

Desirable

• Advanced experience with Snowflake and Matillion.

• Experience with Python and developing or integrating REST APIs.

• Experience with Power BI, Tableau, or other analytics and reporting platforms.

• Experience with CI/CD, source control, automated testing, infrastructure or configuration automation, and modern DevOps practices.

• Experience implementing data quality, metadata management, master data management, data governance, security, or access-control patterns.

• Experience designing end-to-end reporting and analytics solutions from source mapping through curated data products and consumption layers.

• Experience supporting highly visible business domains such as sales, finance, customer, product, or operational analytics.

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Ready to Join Us?

At Sophos, we believe in the power of diverse perspectives to fuel innovation. Research shows that candidates sometimes hesitate to apply if they don't check every box in a job description. We challenge that notion. Your unique experiences and skills might be exactly what we need to enhance our team. Don't let a checklist hold you back – we encourage you to apply.

What's Great About Sophos?

· Sophos operates a remote-first working model, making remote work the primary option for most employees. However, some roles may necessitate a hybrid approach. While we are a remote first organization, applicants must have legal authorization to work in the jurisdiction where the position is posted, without requiring employer sponsorship.

· Our people – we innovate and create, all of which are accompanied by a great 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 and volunteer days for employees to support local communities

· Global employee sustainability initiatives to reduce our environmental footprint

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

· Global wellbeing days for employees to relax and recharge

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

Our Commitment To You

We’re proud of the diverse and inclusive environment we have at Sophos, and we’re committed to ensuring equality of opportunity. We believe that diversity, combined with excellence, builds a better Sophos, so we encourage applicants who can contribute to the diversity of our team. All applicants will be treated in a fair and equal manner and in accordance 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 give you every opportunity to show us your best self, so if there are any adjustments we could make to the recruitment and selection process to support you, please let us know.

Data Protection

If you choose to explore an opportunity, and subsequently share your CV or other personal details with Sophos, these details will be held by Sophos for 12 months in accordance with our Privacy Policy and used by our recruitment team to contact you regarding this or other relevant opportunities at Sophos. If you would like Sophos to delete or update your details at any time, please follow the steps set out in the Privacy Policy describing your individual rights. For more information on Sophos’ data protection practices, please consult our Privacy Policy Cybersecurity as a Service Delivered | Sophos

What does remote mean at Sophos? Sophos supports flexible ways of working, with many roles offered remotely and others working in a hybrid model. For remote roles, you may work remotely within the location specified in the job posting. Candidates must reside in and be authorized to work in that location. Our teams collaborate across locations and time zones, using technology to stay connected and deliver results.

Our Commitment To You

Sophos welcomes applicants with diverse experiences, perspectives, and backgrounds. We believe great ideas come from different ways of thinking, and we are committed to building a workplace where people can contribute, grow, and succeed.

We evaluate all candidates based on job-related skills, qualifications, and experience, and are committed to providing equal employment opportunities consistent with applicable laws and regulations.

If you require a reasonable accommodation during any stage of the recruitment process, please contact hiring@sophos.com. Any information shared will be used only for the purpose of evaluating and providing the requested accommodation.