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We are looking for a a Senior Cyber Security Engineer specialising in privileged access management, with CyberArk as the core platform. This is the senior tooling and identity specialist role in the Cyber Security team under our 2026 operating model: you own the design, deployment and health of the security tooling estate across our managed clients, with PAM as your deepest expertise.
Beyond CyberArk, the role carries breadth across the modern security stack: hands-on experience with Zscaler (ZIA/ZPA) and working capability across EDR, SIEM, vulnerability management and the wider cyber product set we operate for clients.
You will report to the Cyber Operations Lead and work closely with the SOC engineers, the Pre-sales Security Consultant and the Platform & Infrastructure teams.

Requirements

Key Responsibilities

CyberArk & privileged access managementOwn CyberArk design, deployment and operation across managed clients: vaulting, session management, secrets management and privileged threat analytics.Design PAM onboarding programmes for new clients: discovery, scoping, policy design and rollout.Integrate PAM with the wider identity stack: Entra ID, conditional access, MFA and just-in-time access patterns.Set privileged access standards and evidence them for client audits (ISO 27001, Cyber Essentials Plus).

Security tooling & engineering

Deploy, configure and maintain the security tooling estate: EDR, SIEM integrations, vulnerability scanning and email security.Support Zscaler (ZIA/ZPA) deployment and policy work alongside the zero trust leads.Own tooling health: version currency, coverage gaps, tuning quality and integration reliability.Automate deployment and operational tasks with scripts and APIs; contribute to the shared automation library.

Service & quality

Act as senior escalation for identity and tooling incidents; support major incident response.Document designs, runbooks and standards to a level the wider team can operate from.Contribute tooling and PAM expertise to service reviews and solution scoping when needed.Adopt AI-assisted workflows for diagnostics, configuration review and documentation.

Experience

5+ years in security engineering with 2+ years of hands-on CyberArk design and administration (PAM Self-Hosted or Privilege Cloud).Experience deploying or operating Zscaler (ZIA/ZPA) and at least two of: EDR platforms, SIEM, vulnerability management, email security.Strong scripting capability (PowerShell or Python) applied to security tooling automation and integration.MSP/MSSP or multi-client environment experience preferred; client audit exposure an advantage.

Certifications

Essential (or equivalent hands-on experience): CyberArk Defender certification; CyberArk Sentry strongly preferred.Desirable: CyberArk Guardian, Zscaler professional-level certification (ZIA/ZPA), Microsoft SC-300, SC-200, AZ-500, or EDR vendor certifications.

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CyberArk Engineer (Contract) | Outside IR35 | Fully Remote (UK)

Day Rate: Negotiable
Location: Fully Remote (UK)
IR35: Outside IR35
Start Date: ASAP

We're looking for an experienced CyberArk Engineer to join a high-performing security team on a fully remote contract basis. This is a hands-on delivery role focused on supporting and maintaining CyberArk environments across multiple enterprise client estates.

You'll be the go-to escalation point for complex CyberArk issues, owning the ticket queue from L2 through to L4 and ensuring privileged access platforms remain secure, stable, and compliant.

What You'll Be Doing

Managing and resolving CyberArk incidents and requests across L2-L4 support.Troubleshooting CyberArk Vault, CPM, PSM and PVWA issues.Investigating integration challenges with Entra ID, MFA, SIEM and other security technologies.Performing upgrades, patching, certificate renewals and DR testing.Managing account onboarding/offboarding, safes, policies and access reviews.Conducting root cause analysis and liaising with CyberArk support where required.Maintaining documentation, runbooks and working within ITIL change processes.

What We're Looking For

3+ years' hands-on CyberArk administration and support experience.Strong experience across Vault, CPM, PSM and PVWA.Proven ability to resolve complex L3/L4 issues in production environments.PowerShell scripting skills for troubleshooting and automation.Experience working within MSP, managed service or multi-client environments is highly desirable.Exposure to Entra ID, EDR, SIEM, Zscaler or related security technologies would be beneficial.

What's On Offer?

✅ Outside IR35
✅ 100% Remote Working
✅ Immediate Start Available
✅ Long-Term Contract Potential
✅ Competitive Day Rate (Open to Discussion)
✅ Work with Multiple Enterprise Environments & Modern Security Technologies

Please note: Applicants must have the right to work in the UK. Unfortunately, visa sponsorship is not available for this position.

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Head of Cybersecurity The Opportunity

We are seeking an experienced Head of Cybersecurity to join a senior leadership team within a large, complex organisation operating in a highly regulated and rapidly evolving digital environment. The successful candidate will work closely with senior stakeholders across a broad range of organisations and industries, helping shape strategic approaches to emerging cybersecurity, technology and resilience requirements.

The Role

The Head of Cybersecurity will lead and develop a multidisciplinary team of experienced engagement and policy professionals. The role will involve significant engagement with senior stakeholders across industry, technology, public and private sector organisations, professional networks and other key stakeholder groups.

A key part of the position will be monitoring and analysing the evolving cybersecurity and resilience landscape, providing strategic advice to senior leadership and contributing to the development and implementation of organisational policies, frameworks and initiatives.

This is an opportunity for an experienced cybersecurity leader to play a key role in shaping how organisations understand and respond to evolving cybersecurity and digital resilience requirements.

Key Responsibilities

Lead and manage stakeholder engagement activities across cybersecurity, technology and resilience programmes.

Develop and maintain strong relationships with senior stakeholders across industry, technology and wider organisational networks.

Represent the organisation at relevant cybersecurity forums, working groups, conferences and strategic engagements.

Lead awareness initiatives, events and communications relating to cybersecurity and digital resilience.

Provide expert analysis and advice on emerging cybersecurity, technology, regulatory and policy developments.

Monitor developments across the cybersecurity and resilience landscape and assess their potential organisational impact.

Desired Experience

Significant senior-level experience within cybersecurity, technology, policy, regulation, risk or a closely related discipline.

Proven experience leading stakeholder engagement, policy development or strategic programmes within a complex organisation.

Strong leadership experience, including managing and developing multidisciplinary teams

Strong understanding of evolving cybersecurity and digital resilience legislation, standards and regulatory requirements.

Experience working within a regulated, highly governed or complex organisational environment.

Experience leading large-scale cybersecurity, technology, regulatory or organisational change initiatives.

Experience developing, managing or responding to consultation and engagement programmes.

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Role- Senior Security Automation Engineer
Type- Contract
Duration- 12+ months
Location- Mt. Laurel, NJ

Overview

Seeking a Senior Security Automation Engineer to build AI-driven security automation solutions within a Cyber Security Operations Center (CSOC). This is a hands-on engineering role focused on developing intelligent agents and automated workflows that improve threat detection, investigations, and incident response.

Key Responsibilities

Design, develop, deploy, and maintain production-grade security automation and AI-powered workflows.Build AI agents capable of accessing security data, using tools, maintaining context, and executing multi-step tasks.Automate processes across:Threat IntelligenceThreat HuntingDetection EngineeringSecurity InvestigationsIncident ResponseSecurity Data AnalysisApply advanced AI techniques including:Tool CallingRetrieval-Augmented Generation (RAG)Structured GenerationPlanning & ReflectionVerificationModel RoutingMulti-Agent CoordinationDesign memory, context management, task recovery, escalation, and human approval mechanisms.Reduce false positives and operational noise while improving response speed and consistency.Develop security controls and guardrails for AI systems.Create testing and evaluation frameworks to measure AI accuracy, reliability, security, and performance.Collaborate with security and engineering teams to translate operational challenges into scalable automation solutions.Take solutions from prototype to production and continuously optimize them.

Required Qualifications

Bachelor's degree in Computer Science, Cybersecurity, Engineering, Information Systems, or related field (or equivalent experience).8+ years of experience in software engineering, security engineering, automation, AI/ML, or related technical roles.Strong hands-on software development experience.Experience building production-grade automation or AI-powered applications.Experience with LLMs, Generative AI, or Agentic AI technologies.Strong programming skills, particularly in Python or other modern languages.Experience integrating APIs, tools, data sources, and external systems.Understanding of AI agent concepts including tool use, retrieval, planning, memory, context management, and verification.Strong analytical, problem-solving, and scalable system design skills.

Preferred Qualifications

Experience building agentic AI systems or autonomous security workflows.Experience with SOAR, SIEM, security automation, threat intelligence, threat hunting, detection engineering, or incident response.Knowledge of RAG, vector databases, embeddings, semantic search, and knowledge retrieval.Experience with multi-agent architectures, AI orchestration frameworks, and AI evaluation/testing frameworks.Familiarity with Kubernetes, cloud platforms, microservices, APIs, and distributed systems.Experience implementing human-in-the-loop controls and approval workflows.Proven ability to take AI solutions from proof of concept (POC) to production deployment.Understanding of enterprise AI security controls and best practices.

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Key ResponsibilitiesDesign, develop, test, deploy, and operate production-grade security automation and AI-driven workflows.Build intelligent agents capable of securely accessing security data, invoking approved tools, maintaining context, and executing multi-step workflows.Develop automation that can assist with:Threat intelligenceThreat huntingDetection engineeringSecurity investigationsIncident responseSecurity data analysisApply modern AI and automation techniques, including:Tool callingRetrieval-augmented generation (RAG)Structured generationPlanningReflectionVerificationModel routingMulti-agent coordinationDesign mechanisms for memory, context management, task recovery, escalation, and human approval.Build automation designed to reduce operational noise and false positives while improving the speed and consistency of security response.Develop appropriate security controls and guardrails around AI agents and automated workflows.Create evaluation and testing strategies to measure the accuracy, reliability, security, and performance of automation.Evaluate emerging AI models, agent frameworks, automation platforms, and orchestration technologies.Prototype new capabilities and transition successful solutions into reliable production environments.Work closely with threat intelligence analysts, threat hunters, detection engineers, incident responders, and security-data engineers to understand operational challenges.Translate security requirements and operational processes into scalable technical solutions.Develop clean, maintainable, scalable, and well-documented code.Troubleshoot, monitor, and continuously improve automation running in production.Participate in architecture, design, code reviews, and technical decision-making.Identify opportunities to automate repetitive or time-sensitive security processes and improve overall SOC efficiency.Required QualificationsBachelor's degree in Computer Science, Engineering, Cybersecurity, Information Systems, or a related field, or equivalent professional experience.8+ years of experience in software engineering, security engineering, automation engineering, AI/ML engineering, or a related technical field.Strong hands-on software development experience.Experience building automation solutions or AI-powered applications for production environments.Experience working with Large Language Models (LLMs), generative AI, or agentic AI technologies.Strong programming skills in Python and/or another modern programming language.Experience integrating applications with APIs, tools, data sources, and external systems.Understanding of AI agent concepts such as tool use, planning, context management, retrieval, memory, and verification.Experience designing and implementing reliable, scalable technical solutions.Strong analytical and problem-solving skills.Ability to work with both software engineers and security professionals to translate operational challenges into technical solutions.Preferred QualificationsExperience building agentic AI systems or autonomous security workflows.Experience with security automation, SOAR, SIEM, or security orchestration platforms.Experience with cybersecurity operations, threat intelligence, threat hunting, detection engineering, or incident response.Experience with RAG, vector databases, embeddings, semantic search, or knowledge retrieval.Experience with multi-agent architectures and AI orchestration frameworks.Experience developing AI evaluation frameworks, testing harnesses, or benchmarking processes.Experience with Kubernetes, cloud platforms, microservices, APIs, and distributed systems.Experience implementing human-in-the-loop controls and approval workflows.Experience taking AI/automation solutions from proof of concept through production deployment.Familiarity with security controls and best practices for deploying AI systems in enterprise environments.

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Senior Software Engineer - Data, Machine Learning & Applications

Job Summary

We are seeking a versatile Senior Software Engineer with experience in application development, databases, data processing, and Machine Learning systems. This role will focus on designing and building robust, scalable technical solutions while ensuring high standards for software quality and performance.

The ideal candidate combines strong software engineering fundamentals with experience working with relational databases, SQL, data solutions, and modern application development technologies.

ResponsibilitiesDesign, develop, test, and maintain scalable software and Machine Learning applications.Write clean, efficient, and well-documented code that meets performance and business requirements.Participate in application architecture, system design, and technical solution development.Design and build relational databases for application and data processing needs.Write and maintain SQL statements for data retrieval, insertion, and processing.Support data acquisition, data warehousing, archival, and recovery strategies.Evaluate data sources and ensure data quality and integration standards are met.Collaborate with customers, business analysts, and technical teams to understand requirements.Develop and execute testing strategies to ensure reliable software delivery.Track defects, test results, and quality metrics.Identify opportunities to improve software processes, application performance, and technical solutions.Participate in code reviews and recommend improvements to existing systems.Support applications throughout the full software development lifecycle.Required QualificationsBachelor's degree in Computer Science, Information Systems, or a related field, or equivalent professional experience.8+ years of experience in software development, systems engineering, testing, data engineering, or related areas.Strong programming experience with technologies such as:Java.NETNode.jsRubyAngularJSStrong SQL and relational database experience.Experience designing, developing, or supporting scalable software applications.Strong object-oriented design skills.Experience with software testing and quality assurance practices.Ability to work across application development, data, and business teams.Excellent analytical and problem-solving skills.Preferred QualificationsExperience building or supporting Machine Learning systems.Experience with data warehousing or large-scale data processing.Experience evaluating and integrating new data sources.Experience with system architecture and application performance optimization.

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Senior Software Engineer - Full Stack & Quality Engineering

Job Summary

We are seeking an experienced Senior Software Engineer to design, develop, test, and support scalable software applications. This role is ideal for a hands-on engineer with a strong background in full-stack development, software quality, databases, and the overall software development lifecycle.

The ideal candidate will be comfortable writing high-quality code while collaborating with cross-functional teams to deliver reliable and scalable technical solutions.

ResponsibilitiesDesign, develop, test, implement, and maintain software applications.Participate in the full software development lifecycle, from requirements gathering through production support.Develop clean, scalable, and well-documented code that meets business and technical requirements.Create and execute test plans, test cases, and automated testing strategies.Collaborate with business analysts, engineers, and stakeholders to translate requirements into technical solutions.Design and maintain relational database solutions and write SQL queries for application integration and data processing.Participate in code reviews and contribute to software engineering best practices.Monitor application performance and recommend improvements.Identify opportunities to reuse existing code and improve system architecture.Troubleshoot technical issues and support the resolution of software defects.Required QualificationsBachelor's degree in Computer Science, Information Systems, or a related field, or equivalent experience.8+ years of experience in software development, engineering, testing, or related technical roles.Strong experience with one or more of the following:Java.NETNode.jsRubyAngularJSExperience with HTML and CSS.Strong SQL and relational database experience.Solid understanding of object-oriented programming and software design principles.Experience with software testing and quality assurance methodologies.Strong analytical, troubleshooting, and problem-solving skills.

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

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

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Threat Intelligence and Vulnerability Manager

6-Month Contract | Inside IR35 | London 1-2 Days Per Week

We're looking for an experienced security leader to take ownership of Threat Intelligence, Vulnerability Management, Threat Modelling, Security Testing and External Threat Hunting capabilities within a complex, high-profile environment.

This is a hands-on leadership role where you'll help identify emerging threats, uncover vulnerabilities, drive assurance activities, and provide the intelligence needed to strengthen enterprise security across IT, OT, physical and people security domains.

Key Experience

✅ Threat Intelligence & Threat Hunting
✅ Vulnerability Management & Risk Prioritisation
✅ Threat Modelling & Security Assurance
✅ Penetration Testing & Control Validation
✅ Security Operations & Incident Readiness
✅ Supplier & Security Testing Provider Management
✅ Executive-level Reporting & Stakeholder Engagement

Ideal Background

Threat Intelligence, Security Testing, Vulnerability Management or Threat Hunting leadership experienceStrong understanding of modern threat actors and attack techniquesExperience within regulated, critical infrastructure, energy, utilities or complex enterprise environmentsAbility to translate technical findings into business risk and action

A fantastic opportunity for an experienced security contractor to make an immediate impact in a highly visible role at the heart of a major security transformation programme.

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

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