Senior IT Infrastructure Specialist

DCG is a company that connects business needs with people's ambitions, helping candidates find environments to grow and companies build effective teams. They work closely with people and organizations, listening and responding to what matters to them, creating lasting and valuable relationships.

• Strong experience with Windows Server administration, upgrades, and migrations
• Strong experience with SQL Server administration, database migrations, clustering, and performance tuning
• Proven experience in application and infrastructure lifecycle management
• Hands-on experience delivering large-scale infrastructure migration projects, including operating system and database upgrades
• Experience providing production support in complex enterprise environments
• Strong knowledge of incident, problem, and change management processes
• Experience supporting banking or financial applications
• Experience with security and compliance activities, including vulnerability remediation, patch management, and audit support
• Experience working in integration-heavy environments, including payment, reporting, and regulatory systems
• Strong documentation skills, including preparation of HLD, SDD, and operational documentation
• Experience coordinating testing, release, and deployment activities
• Strong analytical, troubleshooting, and problem-solving skills
• Excellent communication and stakeholder management skills
• Very good command of English, both spoken and written

Nice to have:

• Experience with Oracle, Java, Python, Power BI, or reporting solutions

• Lead and support infrastructure migration and upgrade initiatives across enterprise environments
• Coordinate migration of SQL Server databases from SQL Server 2016 to SQL Server 2022 environments and clusters
• Support upgrade, migration, and decommissioning of Windows Server environments
• Execute and support operating system and application upgrade activities
• Coordinate vendor-led application upgrades and releases
• Collaborate with external vendors on planning, scheduling, testing, issue resolution, and deployment activities
• Support validation, testing, and rollout of vendor-delivered solutions
• Manage application lifecycle activities, including incident management, vulnerability remediation, patch management, monitoring, and operational support
• Maintain operational stability across business-critical applications and infrastructure components
• Participate in infrastructure and application migration projects, including SharePoint migrations, banking and compliance system migrations, and integration-related activities
• Support security and compliance initiatives, including IIQ/SSO onboarding, service account remediation, threat modelling, and security baseline implementation