Senior Systems Engineer - Advanced SQL/Tier 2 Support
Senior Systems Engineer - Advanced SQL/Tier 2 Support

Senior Systems Engineer - Advanced SQL/Tier 2 Support

Full-Time 55000 - 65000 ÂŁ / year (est.) No home office possible
CSC

At a Glance

  • Tasks: Provide Tier 2 support for critical applications and resolve complex incidents.
  • Company: Join a leading financial solutions provider with a focus on innovation.
  • Benefits: Enjoy competitive salary, hybrid work model, and opportunities for professional growth.
  • Other info: Collaborative culture with excellent career advancement opportunities.
  • Why this job: Make a real impact in a dynamic environment while enhancing your technical skills.
  • Qualifications: 5+ years in application support with advanced SQL Server expertise.

The predicted salary is between 55000 - 65000 ÂŁ per year.

The Senior Systems Engineer is a Tier 2 support role responsible for the stability, performance, and continuous improvement of business‑critical applications supporting the Global Financial Solutions (GFS) business unit. The role acts as the technical escalation point for Tier 1 incidents, provides deep application and systems expertise, and partners closely with development, infrastructure, and business stakeholders to resolve incidents, prevent recurrence and improve service quality.

Key Responsibilities

  • Provide Tier 2 support for GFS applications, including investigation, diagnosis, and resolution of complex incidents not resolved at Tier 1.
  • Act as an escalation point for application‑related issues, ensuring timely resolution in line with SLAs and business priorities.
  • Investigate incidents across application, database, and infrastructure layers.
  • Manage incidents through to resolution, ensuring accurate documentation and stakeholder communication.
  • Participate in major incident bridges, providing clear technical leadership and communication.
  • Provide advanced support for MS SQL Server, including writing and analyzing SQL queries, investigating data integrity and data quality issues, supporting application reporting and extracts, and troubleshooting performance and blocking issues.
  • Analyze SQL logs, queries, indexes, and execution plans to diagnose issues.
  • Work closely with DBAs and development teams on database‑related incidents and improvements.
  • Monitor application health, performance and availability using enterprise monitoring tools, identify trends and proactively address potential issues before they impact the business.
  • Partner with infrastructure and platform teams to ensure systems are resilient, scalable and secure.
  • Support application releases, patches and configuration changes, including validation and post‑deployment monitoring.
  • Review and assess changes for risk and operational readiness.
  • Collaborate closely with GFS business users to understand application usage, pain points and operational needs.
  • Provide clear, concise communication to both technical and non‑technical stakeholders.
  • Create and maintain technical documentation, runbooks and support procedures.
  • Contribute to knowledge articles to improve Tier 1 resolution rates and reduce incident volumes.
  • Identify opportunities to improve application reliability, supportability and operational efficiency.
  • Support automation efforts for monitoring, alerting and routine operational tasks.
  • Promote best practices in application support, security and compliance.

Required Skills & Experience

  • Strong experience supporting enterprise applications in a production environment.
  • Advanced Microsoft SQL Server skills, including complex SQL querying and data analysis, understanding of indexing, query optimisation and performance tuning, and experience supporting reporting and data extracts.
  • Solid understanding of application architecture and integrations, operating systems (Windows), APIs, batch processing and job scheduling.
  • Experience with monitoring, logging and alerting tools.
  • Ability to troubleshoot across application, infrastructure and integration layers.
  • Typically 5+ years in application support, or a similar role.
  • Proven experience in a Tier 2 or Tier 3 support function.
  • Experience supporting systems in a financial services or regulated environment is strongly preferred.
  • Strong analytical and problem‑solving skills.
  • Calm, methodical approach when working under pressure.
  • Excellent written and verbal communication skills.
  • Ability to manage multiple priorities and incidents concurrently.
  • Strong sense of ownership and accountability.
  • Bachelor’s degree in Computer Science, Information Systems or a related field, or equivalent experience.
  • ITIL Foundation or higher.
  • Relevant technical certifications (cloud, database, OS or application platforms) are a plus.

Senior Systems Engineer - Advanced SQL/Tier 2 Support employer: CSC

As a Senior Systems Engineer at our London office, you will thrive in a dynamic and collaborative work environment that prioritises employee growth and innovation. We offer a hybrid working model, competitive benefits, and opportunities for professional development, ensuring you can enhance your skills while contributing to the stability and performance of critical financial applications. Join us to be part of a forward-thinking team that values your expertise and fosters a culture of continuous improvement.
CSC

Contact Detail:

CSC Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Senior Systems Engineer - Advanced SQL/Tier 2 Support

✨Tip Number 1

Network like a pro! Reach out to your connections in the industry, attend meetups, and join relevant online forums. You never know who might have the inside scoop on job openings or can refer you directly.

✨Tip Number 2

Nail that interview prep! Research the company and its culture, and be ready to discuss how your skills in SQL and application support can make a difference. Practise common interview questions and prepare some of your own to show you're genuinely interested.

✨Tip Number 3

Show off your problem-solving skills! During interviews, share specific examples of how you've tackled complex incidents in the past. Highlight your analytical approach and how you’ve collaborated with teams to improve service quality.

✨Tip Number 4

Apply through our website! We love seeing candidates who take the initiative. Make sure your application reflects your experience in Tier 2 support and your passion for continuous improvement in application performance.

We think you need these skills to ace Senior Systems Engineer - Advanced SQL/Tier 2 Support

Tier 2 Support
MS SQL Server
SQL Querying
Data Analysis
Performance Tuning
Application Architecture
Monitoring Tools
Troubleshooting
Communication Skills
Incident Management
ITIL Foundation
Analytical Skills
Problem-Solving Skills
Collaboration
Technical Documentation

Some tips for your application 🫡

Tailor Your CV: Make sure your CV is tailored to the Senior Systems Engineer role. Highlight your experience with SQL Server and any Tier 2 support roles you've had. We want to see how your skills match what we're looking for!

Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to explain why you're passionate about this role and how your background makes you a perfect fit. Don't forget to mention your problem-solving skills and experience in financial services.

Showcase Your Technical Skills: In your application, be sure to showcase your technical expertise, especially around SQL querying and application support. We love seeing specific examples of how you've tackled complex incidents in the past!

Apply Through Our Website: We encourage you to apply through our website for a smoother process. It helps us keep track of your application and ensures you don’t miss out on any important updates from us!

How to prepare for a job interview at CSC

✨Know Your SQL Inside Out

Make sure you brush up on your advanced SQL skills before the interview. Be prepared to discuss complex queries, indexing, and performance tuning. Practising real-world scenarios can help you articulate your thought process when troubleshooting.

✨Understand the Business Context

Familiarise yourself with the Global Financial Solutions (GFS) business unit and its applications. Knowing how your role as a Senior Systems Engineer fits into their operations will show that you're not just technically savvy but also understand the bigger picture.

✨Prepare for Incident Management Questions

Expect questions about how you handle incidents and manage priorities under pressure. Think of specific examples from your past experience where you successfully resolved complex issues, especially in a Tier 2 or Tier 3 support context.

✨Communicate Clearly and Confidently

Since you'll be liaising with both technical and non-technical stakeholders, practice explaining technical concepts in simple terms. Clear communication is key, so consider how you would convey complex information to someone without a technical background.

Senior Systems Engineer - Advanced SQL/Tier 2 Support
CSC

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