2nd Line Engineer- Hybrid (Outside IR35)

Added 20/04/2026

Essential RequirementsReliability and infrastructure services. Focus on patching of vulnerabilities with our digital Windows and WMWare environment within our data centers and Cloud environments. Service Scope and DeliverablesSystem and application patching on the following technologies:Citrix.Hardware.VMWare.Windows Server.M365.Core data centre services such as AD, Group Policy, DNS, VPN, AV, MFA, WSUS, SCCM, monitoring tools etc.SAN storage and backup.Multi Factor Authentication.MS AzureVulnerability assessment and patch identification.Patch prioritisation and risk scoringPatching using technologies WSUS and Tanium.Testing and deploying patching to ensure they do not impact productionConfirmation and validation of successful patch deploymentCreation and input into RFC process as part of ITSMGCS is acting as...

Fractional CISO - FinTech (Contract / Outside IR35)

Added 07/04/2026

Fractional CISO - FinTech (Contract / Outside IR35)Location: London (Fully Remote) Engagement: Fractional (2-3 days per week) Duration: 6-12 Months Rate: £1000pd+ (Outside IR35)The OpportunityGCS Cyber are partnering with a rapidly growing PE backed FinTech firm as they scale their security capability and mature their overall cyber posture.This is a Fractional CISO engagement, ideal for a senior security leader who can provide strategic direction while remaining hands-on where needed.You'll be working closely with the executive team, helping shape security strategy in line with business growth, regulatory expectations, and investor confidence.Key ResponsibilitiesDefine and lead the cyber security strategy and roadmapEngage with...

OT Cyber Security Engineer (Outside IR35)

Added 07/04/2026

OT Cyber Security Engineer - Contract (Outside IR35)Location: UK (Remote with occasional travel) Duration: 12 Months Rate: Competitive (Outside IR35)The OpportunityWe're supporting a major programme within the OT / Industrial Cyber Security space, delivering security improvements across critical environments.This is a project focused contract, ideal for an experienced OT Cyber Security Engineer who has worked within live industrial environments and understands the challenges of securing legacy and operational systems.Key ResponsibilitiesDeliver OT security improvements across industrial environmentsSupport security assessments, risk identification, and remediation activitiesWork closely with engineering and operational teams to implement controlsContribute to network segmentation, asset visibility, and monitoring initiativesSupport...

Lead Software Engineer- outside IR35

Added 18/03/2026

Lead Software Engineer (Backend) JavaScript/TypeScript, AWS, Kafka Outside IR35 ContractMy London based client is urgently looking for an experienced Lead Software Engineer with a strong back-end focus to lead the build and evolution of scalable, cloud-native services. You'll set technical direction, mentor engineers, and stay hands-on delivering production code.What you'll do:Lead backend design and development (Node.js, TypeScript/JavaScript)Build and operate event-driven microservices using KafkaOwn AWS-based delivery (scalability, performance, reliability, security)Drive engineering standards: code reviews, testing strategy, CI/CD, observabilityPartner with Product/Architecture to translate requirements into robust solutionsKey skills:Strong commercial backend experience with JavaScript/TypeScript (Node.js)Kafka experience (event-driven systems, distributed messaging)Strong AWS experience across...

Software Engineering Lead- Javascript, AWS- outside IR35

Added 17/03/2026

Software Engineering Lead - Backend (JavaScript / TypeScript, Node.js, AWS, Kafka)Outside IR35Remote with 2 days a month in the office in LondonWe're looking for an experienced Software Engineering Lead with a strong backend development background to lead the delivery of scalable, cloud‑native systems.Key skills:Strong commercial experience with JavaScript, TypeScript, and Node.jsProven experience building event‑driven systems using KafkaStrong AWS experience across modern cloud servicesBackground designing and operating microservices / distributed systemsHands‑on technical leader with experience mentoring engineers and leading deliveryRole overview:Lead backend architecture and development while remaining hands‑onDrive best practices through code reviews and technical leadershipWork closely with Product, DevOps, and...

Staff Engineer- Backend JavaScript -outside IR35

Added 28/02/2026

Staff Engineer- Backend JavaScript (Node.js / TypeScript) Contract - Outside IR35Location: London / Hybrid (once every two weeks) Contract: Outside IR35 Duration: 6 months initial (extension likely) Our client, an innovative and forward‑thinking technology business, is looking for a Backend JavaScript Staff Engineer to join a high‑performing engineering team. This is a fantastic opportunity for a highly experienced, hands‑on backend engineer who enjoys solving complex technical problems, building scalable systems, and providing technical leadership across teams.You will play a key role in shaping backend architecture, improving platform reliability and performance, and raising engineering standards while remaining deeply involved in hands‑on...

Project Manager (Outside Ir35)

Added 17/02/2026

My Utilities client are looking for an experience Project Manager to join their team on an initial 6 month outside ir35 contract roleThe role will require you to be on site 2/3 days a week in their Guildford Office Key responsibilities/Experience Experience delivering complex projects, specialising in financial processes, requirements gathering, and end-to-end delivery.Strong background partnering with Finance and Commercial teams to manage sales ledgers, oversee invoicing, develop robust financial business cases, and report to Senior Leadership teams.Proven experience engaging Sales teams and customers to capture new requirements, produce competitive bids, negotiate commercial terms, and consistently achieve revenue and delivery...

Technical Product Analyst / Business Analyst (AI Delivery)

Added 31/03/2026

Technical Product Analyst / Business Analyst (AI Delivery)Role: Technical Product Analyst / Business Analyst - AI & Data Location: Sheffield (Hybrid - 3 days/week) Contract: 12 months | Inside IR35 Start: ASAPWe're hiring for a Technical Product Analyst / Business Analyst to join a leading organisation's Responsible AI & Engineering function, supporting the rebuild and enhancement of an internal AI Lifecycle Management Tool.This role blends technical business analysis, systems thinking and AI delivery, working closely with software engineers, data teams and AI leads.Key ResponsibilitiesSupport the rebuild of an internal AI Lifecycle & Governance tool, defining workflows, logic and system behaviourWork...

Senior Backend JavaScript Developer Outisde IR35

Added 22/02/2026

Senior Backend JavaScript Developer Outisde IR35 Remote and once in the London office every 2 weeksOur client, an innovative and forward-thinking technology business, is looking for a Senior Backend JavaScript Developer to join their growing engineering team.This is a fantastic opportunity for a seasoned developer who thrives on solving complex problems, building scalable systems, and mentoring others in a collaborative, agile environment.You will play a pivotal role in shaping the Back End architecture, delivering high-quality code, and ensuring the platform continues to perform at scale as the business expands globally.Key skills Strong proficiency in JavaScript/TypeScript with proven Back End development...

Business Analyst I

Added 29/05/2026

Job Title: Business Analyst / Project Manager Location: Remote (EST)We are supporting a key initiative focused on improving vulnerability management and infrastructure data accuracy within a high-volume environment processing ~1 million vulnerabilities per week.This role combines Business Analysis and Project Management, with a strong emphasis on data validation, systems improvement, and supporting end-to-end delivery. You'll work with large datasets, helping to ensure accuracy, identify inconsistencies, and enhance reporting and processes.Key Responsibilities:Validate and analyse high-volume vulnerability dataSupport infrastructure and system improvement initiativesWork with databases to improve data quality and reliabilityIdentify gaps, inconsistencies, and optimisation opportunitiesTranslate business requirements into system and process...

Business Analyst I

Added 29/05/2026

Job Title: Business Analyst/Project ManagerWe are supporting a key initiative focused on improving vulnerability management and infrastructure data accuracy within a high-volume environment processing ~1 million vulnerabilities per week.This role combines Business Analysis and Project Management, with a strong emphasis on data validation, systems improvement, and supporting end-to-end delivery. You'll work with large datasets, helping to ensure accuracy, identify inconsistencies, and enhance reporting and processes.Key Responsibilities:Validate and analyse high-volume vulnerability dataSupport infrastructure and system improvement initiativesWork with databases to improve data quality and reliabilityIdentify gaps, inconsistencies, and optimisation opportunitiesTranslate business requirements into system and process improvementsKey Requirements:Experience across both Business...

Business Analyst I

Added 29/05/2026

Job Title: Business Analyst / Project ManagerProject OverviewWe are supporting a new solution initiative focused on enhancing vulnerability management and improving infrastructure data accuracy across multiple systems. This is a high-volume, fast-paced environment processing approximately 1 million vulnerabilities per week, requiring strong attention to detail and proactive oversight.The RoleThis position blends Business Analysis and Project Management responsibilities, working across technical and operational teams to ensure data integrity, system effectiveness, and successful project delivery. You will play a key role in analysing requirements, validating large datasets, and supporting solution implementation in a complex environment.Key ResponsibilitiesSupport vulnerability management and infrastructure initiativesReview and...

Business Analyst

Added 29/05/2026

Support a high-volume vulnerability management initiative (~1M records/week), ensuring data accuracy and driving improvements across systems and infrastructure.Key ResponsibilitiesValidate and analyze large-scale vulnerability dataImprove database quality, reporting, and data reliabilityTranslate business needs into system requirements & specificationsSupport system design, testing, and implementationIdentify data gaps, inconsistencies, and improvement areasCreate documentation (process flows, specs, training material)Work independently while coordinating with stakeholdersRequirements2+ years in Business Analysis / Project supportStrong data analysis skills (large datasets, databases)Good technical understanding (security/vulnerability data preferred)Experience with requirements gathering & documentationProficient in Excel, Word, PowerPoint, Visio/UMLDetail-oriented and able to work independentlyPreferredDegree in CS, MIS, Business, or similarScripting / data...

Business Analyst

Added 29/05/2026

Support a high-volume vulnerability management initiative (~1M records/week), ensuring data accuracy and driving improvements across systems and infrastructure.Key ResponsibilitiesValidate and analyze large-scale vulnerability dataImprove database quality, reporting, and data reliabilityTranslate business needs into system requirements & specificationsSupport system design, testing, and implementationIdentify data gaps, inconsistencies, and improvement areasCreate documentation (process flows, specs, training material)Work independently while coordinating with stakeholdersRequirements2+ years in Business Analysis / Project supportStrong data analysis skills (large datasets, databases)Good technical understanding (security/vulnerability data preferred)Experience with requirements gathering & documentationProficient in Excel, Word, PowerPoint, Visio/UMLDetail-oriented and able to work independentlyPreferredDegree in CS, MIS, Business, or similarScripting / data...

Business Analyst I

Added 29/05/2026

Job Title: Business Analyst/Project Manager Location: Remote (EST)Project OverviewWe are supporting a new solution initiative focused on enhancing vulnerability management and improving infrastructure data accuracy across multiple systems. This is a high-volume, fast-paced environment processing approximately 1 million vulnerabilities per week, requiring strong attention to detail and proactive oversight.The RoleThis position blends Business Analysis and Project Management responsibilities, working across technical and operational teams to ensure data integrity, system effectiveness, and successful project delivery. You will play a key role in analysing requirements, validating large datasets, and supporting solution implementation in a complex environment.Key ResponsibilitiesSupport vulnerability management and infrastructure initiativesReview...