Technical Business Systems Analyst (BSA

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Job Type: Permanent

Location: Letterkenny GDC, Co. Donegal (Hybrid – minimum 3 days onsite per week)

Do you have strong financial services business knowledge?

Do you want to deepen your financial services expertise while working closely with data and technology teams?

Make your mark at TCS as a Technical Business Systems Analyst (BSA)!

Join a global tech leader right here in Donegal. With over 850 employees and a state-of-the-art global delivery centre, we’re proud to offer world-class career opportunities without having to leave the Northwest. Recognised as Workplace of the Year by the Letterkenny Chamber, we foster a culture of continuous learning, innovation, and respect. Our people are at the heart of everything we do – collaborating across teams, geographies, and disciplines to drive real change for clients around the world. Be part of something global, grounded in Donegal.

TCS is a purpose-led transformation company, built on belief. We do not just help businesses to transform through technology. We support them in making a meaningful difference to the people and communities they serve - our clients include some of the biggest brands in the UK and worldwide. For you, it means more to make an impact that matters, through challenging projects which demand ambitious innovation and thought leadership.

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• Join a leading global IT services organisation.
  
• Be part of an exciting team where you will be challenged every day.
  
• Gain exposure to innovative technology.
  

We are seeking an experienced Technical Business Systems Analyst to support a global financial services client environment. This role sits at the intersection of business, data, and technology, and plays a key role in enabling data‑driven decision making, supporting critical platforms, and delivering change across business and technology teams.

The role is heavily focused on BAU data provisioning with end‑to‑end ownership of data onboarding, issue investigation and resolution, and continuous improvement, operating within an Agile delivery model.

The successful candidate will be hands‑on, proactive, and accountable, with strong financial services / capital markets domain knowledge, solid SQL skills, and the ability to decompose complex business logic, understand existing technical implementations, and work closely with business stakeholders and engineering teams to ensure the reliable, high‑quality delivery of data products.

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• Own end‑to‑end delivery and support of financial services data products, from requirement intake through production support, ensuring stability, accuracy, and timeliness.
  
• Act as the primary Technical BSA for BAU and production data issues, taking accountability for root cause analysis, remediation, and prevention of recurring issues.
  
• Partner with business stakeholders to translate financial domain business needs into clear, actionable functional and technical specifications, including data mappings, transformations, and validation rules.
  
• Work closely with data engineering and technology teams to analyze existing data logic, review SQL and code, and validate that implementations align with business intent.
  
• Proactively monitor and assess data quality, identify issues early, and drive resolution through to completion rather than simple escalation.
  
• Support Agile delivery by contributing to backlog refinement, sprint planning, story breakdown, acceptance criteria, and release readiness.
  
• Collaborate with Front Office, Risk, Operations, and downstream consumers to clarify requirements, resolve data questions, and ensure shared understanding of outputs and impacts.
  
• Ensure data solutions meet production‑grade standards, including stability, accuracy, traceability, auditability, and operational resilience.
  
• Continuously improve BAU processes, controls, and documentation, reducing operational risk and improving transparency and efficiency.
  
• Proactively identify opportunities for process optimisation, automation, and improved data controls, incorporating best practices across financial services data delivery.
  

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• Bachelor’s degree in computer science, Information Systems, Data Analytics, Business Information Systems, or a related discipline.
  
• 5+ years proven experience in a Technical Business Analyst, Business Systems Analyst, Data Analyst, or similar role within financial services / capital markets.
  
• Hands‑on experience supporting investment, trading, risk, operations, or regulatory reporting data platforms in a production environment.
  
• Experience working with industry‑standard investment or portfolio management platforms.
  
• Strong understanding of financial services data domains, with the ability to engage confidently with Front Office, Risk, Operations, and Technology stakeholders without heavy translation layers.
  
• Demonstrated experience acting as a primary BA/BSA for BAU and production‑critical issues, with clear ownership from investigation through resolution.
  
• Strong analytical and problem‑solving skills, particularly in the context of complex data, business logic, and operational issues.
  
• Excellent communication skills, with the ability to explain complex data concepts clearly to both technical and non‑technical audiences.
  
• Ability to manage multiple priorities and deliver outcomes in a fast‑paced, Agile delivery environment, with a strong sense of ownership and accountability.
  

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• Strong SQL expertise, including the ability to:
  
• write, review, and optimise complex queries
  
• perform independent data analysis and validation
  
• debug and investigate production data issues
  
• Hands‑on experience working with relational data models and enterprise data platforms (e.g. Microsoft SQL Server).
  
• Ability to read existing code (e.g. SQL, Python, Java) to extract, decompose, and validate underlying business logic.
  
• Solid understanding of core data concepts, including:
  
• Source‑to‑target mappings
  
• Data transformations and enrichment
  
• Historical vs “as‑of” data handling
  
• Data quality, reconciliation, and control frameworks
  
• Good understanding of data flows, system integrations, and application architectures within enterprise environments.
  

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• Exposure to process optimisation, automation, or data governance initiatives within financial services.
  
• Experience working in globally distributed delivery teams.
  

TCS is consistently voted a Top Employer in the UK and globally. Our competitive salary packages feature pension, health care, life assurance, laptop, phone, access to extensive training resources and discounts within the larger Tata network.

We offer health & wellness initiatives and sports events; we are the proud sponsor of the London Marathon.

Tata Consultancy Services UK&I is committed to meeting the accessibility needs of all individuals in accordance with the UK Equality Act 2010 and the UK Human Rights Act 1998.

We welcome and embrace diversity in race, nationality, ethnicity, disability, neurodiversity, gender identity, age, physical ability, gender reassignment, sexual orientation. We are a disability inclusive employer and encourage disabled people to apply for this role.

As a Disability Confident Employer, we offer an interview to applicants with disabilities or long‑term conditions who meet the minimum criteria for the role. Please email us at if you would like to opt in.

If you are an applicant who needs any adjustments to the application process or interview, please contact us at with the subject line: “Adjustment Request”. We welcome requests prior to you completing the application and at any stage of the recruitment process.

This is to notify you that TCS does not ask for any sort of payment or security deposit from candidates at any stage of the recruitment process. The firm never sends out job offers from free internet email services like Gmail, Yahoo Mail, and so on. TCS has not authorised any third-party company to collect money on their behalf. As a vigilant job seeker, beware of fraudulent recruitment activity and protect your interests!

You can write to to report any fraudulent activity.

Due to the high volume of applications, we will be unable to contact each applicant individually on the status of their application. If you have not received a direct response within 30 days, then it should be deemed unsuccessful on this occasion. xcfaprz

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