Company · 14 open roles
Careers at GCS
GCS has 14 active roles on ResuMinder right now. Score your CV instantly and use the ResuMinder extension to apply in seconds — no manual form-filling.
Refreshed continuously
Across active listings
All open roles
14 positions at GCS
Cyber Security Engineer - London
GCS·St. John Street 145-157, London
<p><b>Salary: £? - ? per year</b></p> <b>Requirements:</b> <ul><li>Strong experience delivering Secure by Design outcomes within complex enterprise environments.</li><li>Experience reviewing solution architectures and identifying pragmatic security controls.</li><li>Hands…
AI Copilot Developer
GCS·St. John Street 145-157, London
<p><b>Salary: £? - ? per year</b></p> <b>Requirements:</b> <ul><li>Experience developing and supporting low-code business applications using Power Platform, Microsoft 365, C#, and JavaScript</li><li>Experience with Microsoft Copilot Studio, Power Apps, and Power Platform<…
Application Support Specialist C# / SQL
GCS·St. John Street 145-157, London
<p><b>Salary: £? - ? per year</b></p> <b>Requirements:</b> <ul><li>Experience in application support for development teams in production environments</li><li>Strong knowledge of T/SQL, C# .NET, and Oracle</li><li>Experience troubleshooting applications and implementing fi…
System Administrator Microsoft
GCS·St. John Street 145-157, London
<p><b>Salary: £? - ? per year</b></p> <b>Requirements:</b> <ul><li>Extensive experience across the Microsoft 365 ecosystem.</li><li>Strong Azure administration and management expertise.</li><li>Hands-on experience with SharePoint, Teams, Intune, Entra ID and Microsoft Def…
Cyber Security Architect
GCS·Basinghall Street 25, Hillingdon
<p><b>Salary: £? - ? per year</b></p> <b>Requirements:</b> <ul><li>We need an experienced Security Architect or Cyber Security Consultant with proven experience in complex enterprise environments.</li><li>We need strong experience in security architecture, risk assessment…
Security Architect - Cyber Resilience
GCS·Tamarisk Avenue 5A, Reading
<p><b>Salary: £? - ? per year</b></p> <b>Requirements:</b> <ul><li>Proven experience as a Solution or Security Architect within cyber security or enterprise infrastructure.</li><li>Strong hands-on experience with one or more of the following technologies: Rubrik, Cohesity…
IT & Telephony Support Analyst
GCS·St. John Street 145-157, London
<p><b>Salary: £? - ? per year</b></p> <b>Requirements:</b> <ul><li>Experience working in an IT support, infrastructure, or telephony-related role.</li><li>Good understanding of PSTN/telephony systems.</li><li>Basic IT networking knowledge, including IP networking, network…
Cyber Security Engineer
GCS·Mayfair Place, Brixton
<p><b>Salary: £? - ? per year</b></p> <b>Requirements:</b> <ul><li>Experience working as a Cyber Security Engineer within an enterprise environment.</li><li>Good knowledge of Microsoft 365 and Azure security.</li><li>Experience with Microsoft Intune and Microsoft Defender…
C# Developer
GCS·St. John Street 145-157, London
<p><b>Salary: £? - ? per year</b></p> <b>Requirements:</b> <ul><li>We require strong experience with C# and desktop application development.</li><li>We require experience with WPF and WinForms.</li><li>We require knowledge of JavaScript, SQL, and Oracle.</li><li>We requir…
Application Architect
GCS·St. John Street 145-157, London
<p><b>Salary: £? - ? per year</b></p> <b>Requirements:</b> <ul><li>In-depth understanding of object-oriented programming concepts and the full Software Development Life Cycle</li><li>Good understanding of MS .NET Framework environments</li><li>Knowledge and experience of …
Data Science Engineer
GCS·Tamarisk Avenue 5A, Reading
<p><b>Salary: £? - ? per year</b></p> <b>Requirements:</b> <ul><li>5+ years of advanced SQL expertise, with a strong track record in querying, cleansing, integrating, and analysing complex datasets at scale, ideally within Databricks environments.</li><li>Strong Python ca…
IT Business Analyst
GCS·St. John Street 145-157, London
<p><b>Salary: £? - ? per year</b></p> <b>Requirements:</b> <ul><li>We need experience in eliciting, analysing, and documenting business requirements.</li><li>We need the ability to translate business needs into process maps, user stories, and functional specifications.</l…
Salesforce Developer
GCS·St. John Street, Livingston
<p><b>Salary: £25,000 - 50,000 per year</b></p> <b>Requirements:</b> <ul><li>Extensive Salesforce development experience across multiple Salesforce clouds, including Sales Cloud, Service Cloud, Experience Cloud, and Communications Cloud.</li><li>Hands-on Salesforce Indust…
Python Developer
GCS·St. John Street 145-157, London
<p><b>Salary: £25,000 - 50,000 per year</b></p> <b>Requirements:</b> <ul><li>Strong Python development experience</li><li>SQL experience, including writing queries, joins, stored procedures, and optimisation</li><li>Cloud exposure with Azure, AWS, or GCP</li><li>Experienc…