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Join our Mainframe Engineering function as a DB2 System Specialist, where you'll take ownership of installing, configuring, and maintaining IBM DB2 systems that power mission‑critical banking platforms. This is a hands‑on, engineering‑focused role for specialists who thrive on performance, reliability, and automation at scale.

Install and maintain IBM DB2 - Lead installation, upgrades, and maintenance of DB2 and related tooling (DB2 CA, DB2 Connect, Data Studio).

Optimise system performance - Tune, monitor, and troubleshoot DB2 subsystems to ensure high availability and efficiency.

Engineer mainframe automation - Reduce manual effort and operational risk by enhancing automation across the DB2 environment.

Act as a DB2 Systems Programming expert - Serve as a senior technical authority for DB2 internals, RACF integration, and subsystem behaviour.

Support transformation and reliability - Contribute to change, risk, and reliability initiatives across the mainframe estate.

Proven DB2 Systems Programming experience with installation, maintenance, upgrades, and tooling.

Strong mainframe fundamentals including TSO, JCL, REXX, SQL, and z/OS operational knowledge.

Deep understanding of DB2 performance, optimisation, and monitoring techniques.

Hands‑on experience with automation and DevOps tooling such as VS Code, Db2 Developer Extensions, or similar.

Knowledge of z/OSMF, Broadcom/IBM DB2 tools, DB2 internals, and RACF security.

Ability to operate in a risk‑controlled, transformation‑driven environment.

GCS is acting as an Employment Agency in relation to this vacancy.

Are you a MongoDB expert ready to step into a true engineering role? Join a global team modernising a large‑scale database estate and move beyond repetitive DBA work.

Own MongoDB operations end‑to‑end (clusters, sharding, replica sets, backups).

Troubleshoot and resolve complex production issues across L1-L3.

Build automation using Python, Ansible, TDD, Agile.

Improve observability with better monitoring, alerting, and performance insights.

Reduce toil by engineering tools and automation that transform the platform.

Deep MongoDB administration expertise.

Strong experience with Ops Manager and backup tooling.

Solid troubleshooting and production support capability.

SRE fundamentals and an automation‑first mindset.

Hands‑on Python and Ansible experience.

Observability experience (monitoring, alerting, dashboards).

Perfect for Senior DBAs wanting to transition into SRE/Engineering.

~25% of your time spent coding and automating, with more growth ahead.

High‑impact role shaping a global database platform.

GCS is acting as an Employment Agency in relation to this vacancy.

Step into a high‑impact engineering role where you'll shape the future of Microsoft SQL operations at enterprise scale. As a Database SRE, you'll combine deep SQL Server expertise with modern SRE practices to build a more reliable, automated, and observable database platform for one of the world's largest financial institutions.

Lead SQL Engineering - Solve complex SQL Server 2016-2022 challenges across availability, tuning, performance, and architecture.

Shape the MSSQL SRE practice - Influence standards, patterns, SLIs/SLOs, and operational models for the SQL estate.

Act as the top technical escalation - Provide expert‑level guidance on incidents, root cause, and long‑term fixes.

Drive automation and standardisation - Reduce TOIL through scripting, configuration management, and platform engineering.

Enhance observability - Improve monitoring, alerting, telemetry, and reliability insights across the estate.

Collaborate across engineering - Work with product, engineering, and platform teams to deliver resilient, scalable database services.

Deep Microsoft SQL Server expertise (SQL 2016-2022) across performance tuning, HA/DR, internals, and enterprise‑scale architecture.

Strong SRE mindset - SLIs/SLOs, error budgets, automation‑first thinking, and reliability engineering.

Hands‑on automation skills using PowerShell, T‑SQL, and scripting for migrations, deployments, and operational tooling.

Expertise with configuration management tools such as Chef or Ansible for database server builds and standardisation.

Experience reducing TOIL through simplification, automation, and self‑service patterns.

Ability to influence change across risk, controls, transformation, and digital engineering domains.

GCS is acting as an Employment Agency in relation to this vacancy.

Location: Glasgow / Knutsford (Hybrid- 2 days a week in office)

Team: 6 UK / 5 India

Environment: Part of a wider multi‑cloud engineering organisation (Azure, AWS, GCP)

Growth: Significant technical development opportunities across cloud engineering, automation, and platform build

We are looking for a hands‑on Azure SRE who can design, build, and automate enterprise‑grade Azure Landing Zones and cloud governance frameworks. This is not an application development role - it is a platform engineering role focused on controls, policies, guardrails, IaC, and DevOps automation.

You will work as part of a global SRE function, collaborating with engineers in the UK and India to deliver secure, scalable, policy‑driven Azure environments.

Azure Landing Zone engineering - build, enhance, and automate enterprise landing zones

Azure governance & controls - develop Azure Policies, RBAC, blueprints, and compliance guardrails

Infrastructure as Code delivery - author and maintain IaC using Bicep or Terraform

DevOps engineering - implement CI/CD pipelines, Git workflows, and automated deployments

Cloud platform reliability - ensure availability, performance, and operational excellence

Cross‑team collaboration - work with multi‑cloud engineering teams to drive standards and best practices

Azure expertise across policies, governance, networking, compute, identity, and platform services

IaC development using Bicep or Terraform (must be able to write code, not just run templates)

CI/CD pipelines using Azure DevOps or GitHub Actions

Git repositories - strong understanding of branching, PRs, code reviews

DevOps mindset - automation‑first, iterative delivery, shift‑left engineering

Strong scripting or development capability (PowerShell, Python, or similar)

Experience working in distributed teams (UK + offshore)

GCS is acting as an Employment Agency in relation to this vacancy.

Location: Knutsford, Radbroke Hall Function: Service Management - Global Operations Type: Permanent / Full‑time

We're looking for a Microsoft Entra and M365 Messaging Specialist to join our global Operations team supporting mission‑critical collaboration and identity platforms. You'll act as a Subject Matter Expert (SME) across Entra ID, M365, Azure and modern collaboration technologies, ensuring stability, resilience and continuous improvement across a large‑scale, complex enterprise environment.

You'll work alongside an 8‑person team in Radbroke and collaborate with global peers, providing deep technical expertise, operational leadership and hands‑on problem solving for some of the bank's most critical services.

Advanced Entra ID Administration - Lead identity, federation and integration activities across Entra ID and Entra Connect.

M365 Messaging Support - Provide expert‑level support for Exchange Online, M365 tenant services and collaboration platforms.

Platform Stability & Monitoring - Execute preventative maintenance, tune monitoring thresholds and enhance alerting to ensure issues are identified early.

Automation & Efficiency - Identify opportunities to automate support tasks, reduce manual effort and improve operational resilience.

Incident & Problem Management - Analyse logs, error messages and user reports to diagnose and resolve complex issues.

Risk & Control Management - Identify risks, strengthen controls and contribute to policy and governance improvements.

Cross‑Functional Collaboration - Partner with engineering, security, architecture and business‑aligned teams to support strategic initiatives.

On‑Call & After‑Hours Support - Participate in global on‑call rotations and provide after‑hours support when required.

Strong Entra ID Expertise - Deep experience with Entra ID, Entra Connect, federation and identity integrations.

Azure & M365 Platform Knowledge - Strong understanding of Azure AD/M365 architecture, configuration and operational support.

Copilot & AI Tools - Experience with Copilot, Copilot Studio and AI agent capabilities.

Messaging & Collaboration Skills - Hands‑on experience with Exchange Online and M365 tenant administration.

API & Automation - Familiarity with Graph API, scripting or API‑driven automation.

Backup & Resilience - Knowledge of Entra backup solutions (e.g., Rubrik).

Experience working in large, complex, regulated environments with strong stakeholder engagement skills.

GCS is acting as an Employment Agency in relation to this vacancy.

Are you a MongoDB expert ready to step into a true engineering role? Join a global team modernising a large‑scale database estate and move beyond repetitive DBA work.

Own MongoDB operations end‑to‑end (clusters, sharding, replica sets, backups).

Troubleshoot and resolve complex production issues across L1-L3.

Build automation using Python, Ansible, TDD, Agile.

Improve observability with better monitoring, alerting, and performance insights.

Reduce toil by engineering tools and automation that transform the platform.

Deep MongoDB administration expertise.

Strong experience with Ops Manager and backup tooling.

Solid troubleshooting and production support capability.

SRE fundamentals and an automation‑first mindset.

Hands‑on Python and Ansible experience.

Observability experience (monitoring, alerting, dashboards).

Perfect for Senior DBAs wanting to transition into SRE/Engineering.

~25% of your time spent coding and automating, with more growth ahead.

High‑impact role shaping a global database platform.

GCS is acting as an Employment Agency in relation to this vacancy.