Role: Cyber Security AnalystDuration: 6-month rolling contractWorking Pattern: Krakow, Hybrid - Handful of days per monthGCS Cyber are... Read more
Role: Cyber Security Analyst
Duration: 6-month rolling contract
Working Pattern: Krakow, Hybrid - Handful of days per month
GCS Cyber are partnered with a global financial services organisation undergoing multiple large-scale transformation programmes across their Cyber Security division, including scaling their cloud security capability. We're hiring a Cyber Security Analyst to help drive the maturity of our cloud security posture and play a key role in developing and enhancing our CNAPP tooling.
What you'll be doing:
Enhancing and developing CNAPP capabilities, including automation, governance, dashboards, and reportingWorking closely with cloud engineers, architects, and cyber teams to align with mandatory controls and best practiceDriving continuous improvement and adoption of cloud security standards across multi‑cloud environmentsMust have:
Solid understanding of cloud security principles and frameworks (CIS, NIST)Experience across AWS, Azure, or GCPFinancial Services experience is an advantage.To find out more, please apply now or send a copy of your CV to [email protected]
GCS is acting as an Employment Business in relation to this vacancy.
Read lessRole: Cyber Threat and Controls Consultant - B2BDuration: 6-month rolling contractWorking Pattern: Krakow, Hybrid (handful of days per... Read more
Role: Cyber Threat and Controls Consultant - B2B
Duration: 6-month rolling contract
Working Pattern: Krakow, Hybrid (handful of days per month)
GCS Cyber are partnered with a global financial services organisation undergoing multiple large-scale transformation programmes across their Cyber Security division.
In this role you will perform threat and control assessments across the business, you'll partner with architects, developers and cloud specialists across the business to review designs, challenge assumptions, and ensure services are built with strong security foundations. You'll also contribute to improving the threat‑assessment process, sharing your expertise across a global community and helping uplift security practices across the organisation.
Must have:
Strong understanding of modern security principles and the ability to break down how systems really work under the hoodHands‑on background in identifying weaknesses, misconfigurations or attack paths across applications, infrastructure or integrated servicesFamiliarity with recognised analysis frameworks (e.g., threat identification or attack‑pattern libraries) and able to translate findings into clear, meaningful risk languageTo find out more, please apply now or send a copy of your CV to [email protected]
GCS is acting as an Employment Business in relation to this vacancy.
Read lessRole: Security Operations EngineerDuration: 6-month rolling contractWorking Pattern: Hybrid - multiple UK locationsGCS Cyber are partnered with a... Read more
Role: Security Operations Engineer
Duration: 6-month rolling contract
Working Pattern: Hybrid - multiple UK locations
GCS Cyber are partnered with a global organisation enhancing their Cyber Security Operations capability as part of a wider security transformation. They are now seeking a Security Operations Engineer with deep hands‑on experience across SecOps tooling, detection engineering and incident response enablement.
Key Responsibilities
Engineer and optimise SIEM, EDR/XDR, SOAR, PAM and vulnerability platforms.Develop and tune detections (KQL/Sigma) to improve visibility and reduce false positives.Support SOC teams with investigations, tooling improvements and root cause analysis.Build automation workflows and SOAR playbooks to streamline response.Improve logging, telemetry and threat‑hunting capabilities.Ensure platform health, performance and operational resilience.Required Experience
Strong background in SecOps, SOC engineering or technical cybersecurity roles.Hands‑on experience with SIEM (Splunk or Sentinel), EDR/XDR, SOAR and PAM tools.Proven ability to build/tune detections and optimise alerting.Familiar with incident response processes and threat detection methodologies.Solid technical knowledge across networks, endpoints, cloud, and security tooling.To find out more, please apply now or send a copy of your CV to [email protected]
GCS is acting as an Employment Business in relation to this vacancy.
Read lessRole: Cloud Security Assessment Specialist - B2BDuration: 6-month rolling contractWorking Pattern: Krakow, Hybrid (handful of days per month)GCS... Read more
Role: Cloud Security Assessment Specialist - B2B
Duration: 6-month rolling contract
Working Pattern: Krakow, Hybrid (handful of days per month)
GCS Cyber are partnered with a global financial services organisation as they continue to strengthen their Cloud Security Assessment function. This role focuses on ensuring cloud‑hosted services meet mandatory security controls before moving into production. You'll act as a senior cloud security specialist, providing assurance, consultancy, and oversight across complex multi‑cloud environments.
What you'll be doing:
Executing Cloud Security Assessment reviews for cloud‑hosted services and managing reviews raisedProviding cloud security consultancy to engineering and application teams, supporting secure design and smooth transition into production.Assessing and applying cloud security controls, ensuring alignment with HSBC standards and regulatory expectations.Driving continuous improvement across assessment processes, including automation, data‑driven insights, and capability uplift.Must have:
Strong hands‑on experience with Google Cloud Platform AWS, plus exposure to at least one additional cloud platform (Azure or Alibaba Cloud).Solid understanding of cloud security controls, risk, and control frameworks.Working knowledge of scripting and tooling such as Python, Bash, PowerShell, SQL etc…Excellent stakeholder management and communication skills, with the ability to influence across global technology and business teams.To find out more, please apply now or send a copy of your CV to [email protected]
GCS is acting as an Employment Business in relation to this vacancy.
Read lessRole: Security Architect (AppSec and Network Security) - B2BDuration: 6-month rolling contractWorking Pattern: Krakow, Hybrid (handful of days... Read more
Role: Security Architect (AppSec and Network Security) - B2B
Duration: 6-month rolling contract
Working Pattern: Krakow, Hybrid (handful of days per month)
GCS Cyber are partnered with a global financial services organisation undergoing multiple large-scale transformation programmes across their Cyber Security division. They are now looking for a Security Architect who has extensive experience managing end-to-end solution designs within large-scale transformation programmes with a heavy focus on Network Security and Application Security
Proven experience producing high-level solution designs in line with business requirements.Proven ability to conduct security assessments and threat modelling to inform design decisions.Strong background in cybersecurity, with deep expertise in network security and segmentation across data centers, cloud environments, and containerised platforms.Hands-on experience with technologies such as physical and virtual firewalls and MPLS/eVPNFamiliarity with macro- and micro-segmentation strategiesFinancial Services experience is an advantageTo find out more, please apply now or drop an email with a copy of your CV to [email protected]
GCS is acting as an Employment Agency in relation to this vacancy.
Read lessRole: Cloud Security Consultant - B2BDuration: 6-month rolling contractWorking Pattern: Krakow, Hybrid (handful of days per month)GCS Cyber... Read more
Role: Cloud Security Consultant - B2B
Duration: 6-month rolling contract
Working Pattern: Krakow, Hybrid (handful of days per month)
GCS Cyber are working with a global financial services organisation as they continue to strengthen and optimise their Cloud Cyber Security capability. This role focuses on driving cloud security maturity, automation, and governance, with a strong emphasis on Python‑based development alongside hands‑on cyber security expertise.
What you'll be doing:
Designing, developing, and enhancing cloud security solutions and automation using Python web frameworks (e.g. Flask, Django, FastAPI).Assessing and improving cloud security posture and maturity, including cloud security controls, baseline governance, and security scoring initiatives.Must have:
Strong hands‑on experience securing cloud environments across one or more major cloud providers.Solid background in cyber security governance, including security controls, configuration baselines, and vulnerability assessment (e.g. CVSS).Proven track record delivering well written, well-structured web applications using (but not limited to) Flask, Django, FastAPITo find out more, please apply now or send a copy of your CV to [email protected]
GCS is acting as an Employment Business in relation to this vacancy.
Read lessRole: Security Architect (AppSec and Network Security) - B2BDuration: 6-month rolling contractWorking Pattern: Krakow, Hybrid (handful of days... Read more
Role: Security Architect (AppSec and Network Security) - B2B
Duration: 6-month rolling contract
Working Pattern: Krakow, Hybrid (handful of days per month)
GCS Cyber are partnered with a global financial services organisation undergoing multiple large-scale transformation programmes across their Cyber Security division. They are now looking for a Security Architect who has extensive experience managing end-to-end solution designs within large-scale transformation programmes with a heavy focus on Network Security and Application Security
Proven experience producing high-level solution designs in line with business requirements.Proven ability to conduct security assessments and threat modelling to inform design decisions.Strong background in cybersecurity, with deep expertise in network security and segmentation across data centers, cloud environments, and containerised platforms.Hands-on experience with technologies such as physical and virtual firewalls and MPLS/eVPNFamiliarity with macro- and micro-segmentation strategiesFinancial Services experience is an advantageTo find out more, please apply now or drop an email with a copy of your CV to [email protected]
GCS is acting as an Employment Business in relation to this vacancy.
Read lessRole: Cloud Security Assessment Specialist - B2BDuration: 6-month rolling contractWorking Pattern: Krakow, Hybrid (handful of days per month)GCS... Read more
Role: Cloud Security Assessment Specialist - B2B
Duration: 6-month rolling contract
Working Pattern: Krakow, Hybrid (handful of days per month)
GCS Cyber are partnered with a global financial services organisation as they continue to strengthen their Cloud Security Assessment function. This role focuses on ensuring cloud‑hosted services meet mandatory security controls before moving into production. You'll act as a senior cloud security specialist, providing assurance, consultancy, and oversight across complex multi‑cloud environments.
What you'll be doing:
Executing Cloud Security Assessment reviews for cloud‑hosted services and managing reviews raisedProviding cloud security consultancy to engineering and application teams, supporting secure design and smooth transition into production.Assessing and applying cloud security controls, ensuring alignment with HSBC standards and regulatory expectations.Driving continuous improvement across assessment processes, including automation, data‑driven insights, and capability uplift.Must have:
Strong hands‑on experience with Google Cloud Platform AWS, plus exposure to at least one additional cloud platform (Azure or Alibaba Cloud).Solid understanding of cloud security controls, risk, and control frameworks.Working knowledge of scripting and tooling such as Python, Bash, PowerShell, SQL etc…Excellent stakeholder management and communication skills, with the ability to influence across global technology and business teams.To find out more, please apply now or send a copy of your CV to [email protected]
GCS is acting as an Employment Business in relation to this vacancy.
Read lessRole: Cloud Security Consultant - B2BDuration: 6-month rolling contractWorking Pattern: Krakow, Hybrid (handful of days per month)GCS Cyber... Read more
Role: Cloud Security Consultant - B2B
Duration: 6-month rolling contract
Working Pattern: Krakow, Hybrid (handful of days per month)
GCS Cyber are working with a global financial services organisation as they continue to strengthen and optimise their Cloud Cyber Security capability. This role focuses on driving cloud security maturity, automation, and governance, with a strong emphasis on Python‑based development alongside hands‑on cyber security expertise.
What you'll be doing:
Designing, developing, and enhancing cloud security solutions and automation using Python web frameworks (e.g. Flask, Django, FastAPI).Assessing and improving cloud security posture and maturity, including cloud security controls, baseline governance, and security scoring initiatives.Must have:
Strong hands‑on experience securing cloud environments across one or more major cloud providers.Solid background in cyber security governance, including security controls, configuration baselines, and vulnerability assessment (e.g. CVSS).Proven track record delivering well written, well-structured web applications using (but not limited to) Flask, Django, FastAPITo find out more, please apply now or send a copy of your CV to [email protected]
GCS is acting as an Employment Business in relation to this vacancy.
Read lessRole: Cyber Threat and Controls Consultant - B2BDuration: 6-month rolling contractWorking Pattern: Krakow, Hybrid (handful of days per... Read more
Role: Cyber Threat and Controls Consultant - B2B
Duration: 6-month rolling contract
Working Pattern: Krakow, Hybrid (handful of days per month)
GCS Cyber are partnered with a global financial services organisation undergoing multiple large-scale transformation programmes across their Cyber Security division.
In this role you will perform threat and control assessments across the business, you'll partner with architects, developers and cloud specialists across the business to review designs, challenge assumptions, and ensure services are built with strong security foundations. You'll also contribute to improving the threat‑assessment process, sharing your expertise across a global community and helping uplift security practices across the organisation.
Must have:
Strong understanding of modern security principles and the ability to break down how systems really work under the hoodHands‑on background in identifying weaknesses, misconfigurations or attack paths across applications, infrastructure or integrated servicesFamiliarity with recognised analysis frameworks (e.g., threat identification or attack‑pattern libraries) and able to translate findings into clear, meaningful risk languageTo find out more, please apply now or send a copy of your CV to [email protected]
GCS is acting as an Employment Business in relation to this vacancy.
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