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IT Infrastructure Architect - Shape the Future of Global Airport Technology

Step into a role where your technical leadership directly influences large‑scale, mission‑critical systems used in airports around the world. As an IT Infrastructure Architect, you'll guide the full lifecycle of infrastructure delivery from early sales engagement to final service handover, ensuring every solution is robust, secure and engineered for long‑term success.

🌍 What You'll Do

Lead Infrastructure Delivery - Own the technical design and delivery of IT infrastructure within complex airport system projects.

Collaborate with Global Teams - Work closely with peer architects, engineers and product specialists across continents.

Design Future‑Ready Solutions - Create detailed network and server architectures based on Windows/Linux, virtualization, containerization and modern security standards.

Drive Technical Innovation - Partner with product development teams to evolve infrastructure products and prepare them for future demands.

Advise and Support - Act as a trusted expert during project execution and support sales teams during the offer phase.

Enable Secure Operations - Integrate remote access, OS hardening, virtualization, and security enablers into every design.

🧠 What You Bring

10+ Years of Experience in industrial IT infrastructure implementation.

Strong Architecture Skills across Windows/Linux, VMware, Kubernetes, Docker, Helm and Azure.

Security Expertise and familiarity with modern standards and best practices.

Hardware Knowledge (HPE, Fortinet, Cisco) is a plus.

Leadership & Communication - You're a natural influencer who can guide teams and communicate complex ideas clearly.

Agile Mindset and a hands‑on, can‑do attitude.

Fluency in English and willingness to travel occasionally (approx. 5%).

🎁 What You'll Get

A role with real impact, working on industry‑leading airport automation projects. You'll join a diverse, international team with a culture that values innovation, collaboration and personal growth.

You'll enjoy:

40 days of annual leave (20 statutory + 20 flexible).

Hybrid working (40% home / 60% office).

Flexible hours and a supportive work-life balance.

Commuting reimbursement, including full public transport coverage.

Home‑working allowance.

Pension scheme and discounted health insurance.

On‑site health centres with gym, physio and occupational therapy.

Access to a dedicated training academy to grow your skills.

Thriving internal communities and networking groups.

A great on‑site restaurant and barista coffee bar.

If you are interested in this position or know someone who might be, please apply on our portal or reach out to me on: [email protected]

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

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Application Security Engineer

ZZP / Freelance

Industry: AAA Gaming Studio
Location: Fully Remote (Netherlands)
Contract Length: 12-18 months

About the Role

A fast‑growing gaming studio is looking for an Application Security Engineer to embed secure development practices into their high‑velocity game and platform engineering teams. You'll help secure game engines, back‑end services, and player‑facing APIs used by millions worldwide.

Key Responsibilities

Conduct secure code reviews and help dev teams fix vulnerabilities.Integrate SAST, SCA, and DAST tools into build pipelines.Perform threat modelling on gameplay features and backend microservices.Respond to application‑level vulnerabilities and guide remediation efforts.Promote a developer‑friendly security culture within the studio.

Skills & Experience

Strong experience with modern languages (C++, C#, Go, Python).Solid understanding of CI/CD security and cloud-native app security.Gaming sector experience is a bonus, not a requirement.

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

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IAM Programme Manager

Contract

Industry: Global Healthcare Group
Location: Remote with travel to Netherlands
Contract Length: 12-18 months

About the Role

A global healthcare provider is launching a far‑reaching identity transformation. They require an experienced IAM Programme Manager to lead multiple workstreams spanning workforce identity, privileged access, lifecycle automation, and compliance uplift.

Key Responsibilities

Own the IAM programme roadmap, scope, budget, and stakeholder governance.Oversee delivery of projects including PAM enhancements, MFA rollout, SSO migration, and onboarding automation.Liaise with clinical, compliance, and IT teams to ensure identity solutions integrate with operational workflows.Manage vendor relationships and technical delivery partners.Provide reporting, risk tracking, and programme governance to senior leadership.

Skills & Experience

Proven track record running multi‑stream IAM programmes.Experience with stacks such as SailPoint, Okta, CyberArk, and Azure AD.Background in regulated environments (healthcare, pharma, government) preferred.

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

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Cyber Threat Intelligence Lead

Contract

Industry: National Transport & Infrastructure
Location: Hybrid (The Hague)
Contract Length: 12 months

About the Role

A major transport infrastructure organisation is expanding its national cyber defence capability and seeks a Cyber Threat Intelligence Lead to build its CTI function from the ground up. You will provide strategic and operational intelligence across both IT and OT environments.

Key Responsibilities

Establish and lead the organisation's threat intelligence programme.Monitor, analyse, and disseminate intelligence on campaigns targeting OT and transport systems.Collaborate with government partners and private sector information‑sharing groups.Feed intelligence into SOC, IR, and vulnerability management functions.Produce high‑quality threat reports for executive and operational teams.

Skills & Experience

Strong experience in CTI roles with OT or critical infrastructure exposure.Proficiency with MITRE ATT&CK, Diamond Model, malware analysis fundamentals, and OSINT.Ability to translate intelligence into actionable defensive measures.

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

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Cloud Security Architect

Contract

Industry: Global FinTech Platform
Location: Hybrid (Amsterdam)
Contract Length: 6-12 months

About the Role

A leading FinTech provider is modernising its global cloud footprint and requires a Cloud Security Architect to design, implement, and govern cloud security standards across multi‑cloud estates. You will be the senior technical authority shaping how secure‑by‑design cloud services are built.

Key Responsibilities

Design secure architectures across AWS and Azure for high‑volume financial services.Define IaC security standards, encryption baselines, and identity patterns.Lead threat modelling, architectural risk assessments, and cloud posture reviews.Support engineering teams with secure build patterns, guardrails, and security automation.Act as a technical SME for cloud security governance and architectural boards.

Skills & Experience

Expert-level knowledge of AWS/Azure native security services.Strong Terraform, Kubernetes, container security, and CI/CD familiarity.Experience in regulated sectors (finance ideal).

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

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Network Security Engineer

Contract

Location: Remote / Hybrid (Amsterdam)

Contract Length: 6-12 months
Start Date: ASAP
Rate: Competitive

About the Role

Our client, a leading gaming company, is seeking an experienced Network Security Engineer Contractor to support a large-scale merger and acquisition integration. The organisation has recently acquired a studio with a significantly different technology estate, and now requires a specialist to help consolidate, secure, and stabilise the combined network infrastructure.

This role is critical in ensuring the security, interoperability, and reliability of both legacy and acquired networks during the integration phase.

Key Responsibilities

Network Security Integration & Hardening

Assess, analyse, and map the acquired company's network and security architecture.Identify vulnerabilities, configuration drift, and conflicting standards across environments.Design and implement secure network integration strategies that align with corporate policies and gaming industry best practices.Strengthen perimeter security, segmentation, and internal traffic controls to ensure a stable post‑M&A environment.

Infrastructure Consolidation & Modernisation

Lead the integration of disparate firewalls, VPNs, proxies, and network monitoring tooling.Support migration of security controls, policies, and configurations into the parent company's environment.Advise on standardisation of network technologies and tooling across both estates.

Operational Security Support

Respond to and investigate network security incidents throughout the integration period.Optimise logging, SIEM visibility, alerting configurations, and incident response workflows.Provide expert-level troubleshooting of complex network and security issues, especially those arising from inter-environment connectivity.

Documentation & Knowledge Transfer

Produce clear, detailed documentation of new network security architectures, configurations, and procedures.Provide knowledge transfer to in‑house infrastructure and security teams.Support creation of new unified network and security standards for the combined organisation.

Technical Skills & Experience

Essential

7+ years' experience in network security engineering within complex, multi‑site environments.Strong hands-on expertise with:Next‑generation firewalls (e.g., Palo Alto, Fortinet, Check Point)VPN technologies (IPSec, SSL VPN, Zero Trust solutions)Network segmentation and micro‑segmentationLoad balancers and web application firewallsIDS/IPS platformsProven experience of M&A network integration or multi‑environment consolidation.Deep understanding of TCP/IP, routing protocols, BGP/OSPF, DNS, DHCP, and network diagnostics.Experience with SIEM, log management, and security monitoring platforms.Comfortable with both traditional on‑prem networks and cloud-connected environments (AWS, Azure, GCP).

Desirable

Experience working in a gaming, media, or high‑performance computing environment.Familiarity with DevSecOps, automation, or infrastructure‑as‑code (Terraform, Ansible).Certifications such as CISSP, CCNP Security, PCNSE, or similar.

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

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Network Security Engineer gezocht - Utrecht

12 maanden contract (Detachering)€65.000 - €70.000Hybride - 2 dagen p/w op kantoor28 vakantiedagen7 officiële feestdagen (Bevrijdingsdag jaarlijks van toepassing)8% vakantiegeld8,33% eindejaarsuitkeringPensioencompensatie

Wat je gaat doen:

Uitvoeren van changes op firewalls, routers, switches en infrastructuurapparatuurAfhandelen van incidenten en uitvoeren van diepgaande onderzoekenToezicht houden op installaties (remote of onsite)Opstellen van HLD's/LLD's + scherp implementatieadvies leverenOntwerpen, configureren & implementeren van routing/switching, firewalls, load balancers, proxies, telefonieBeheren van CMDB-updates, IPAM, netwerkdiagrammen en instructiesOntwikkelen van scripts + het aanjagen van netwerkautomatiseringBeheren van monitoringsystemen, compliance, capaciteit & changes

Wat jij meebrengt:

10+ jaar ervaring met Check Point & Cisco5+ jaar ervaring als Security Specialist binnen een grote enterprise-/overheidsomgevingErvaring met Check Point / Juniper / Cisco ASA, F5, Infoblox, Cisco ISEAantoonbare achtergrond in netwerkautomatisering & scriptingBekendheid met ITIL, Agile, Scrum, DevOpsSpecialistische certificeringen zoals Cisco R&S, Check Point, BIG-IP, Bluecoat? Nog beter.

Sluitingsdatum voor CV's is einde werkdag 26 februari. Solliciteer zo snel mogelijk als je aan de criteria voldoet.

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

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🚀 IT Infrastructure Project Lead | Global Automation Projects | International Environment

What if your next role gave you the opportunity to lead complex IT infrastructure projects powering some of the world's most advanced automated logistics systems?

We're partnering with a global leader in logistics automation, delivering cutting-edge solutions across airports, warehousing, and parcel handling operations worldwide. From design and testing through to on-site commissioning, you'll play a key role in delivering large-scale, future-focused infrastructure projects with real operational impact.

🔹 What you'll be doing:
* Leading end-to-end IT infrastructure delivery within multidisciplinary international projects
* Managing timelines, budgets, risks, quality, and stakeholder expectations
* Collaborating with engineering, product development, and sales teams to deliver seamless customer solutions
* Supporting innovation and process improvement initiatives within the department
* Mentoring and guiding technical leads across the team
* Occasionally travelling internationally to support customer implementations

🔹 What we're looking for:
* 5+ years of experience delivering complex IT infrastructure projects
* Strong project leadership and stakeholder management skills
* Experience working in agile and/or waterfall environments
* A hands-on, solution-oriented mindset with excellent communication skills
* PRINCE2, PMP or equivalent project management experience is a plus
* Fluent English and willingness to work in an international environment

🔹 Why join?
✔ Work on high-impact automation projects used globally
✔ Join a collaborative and innovative international team
✔ Strong career development opportunities within a growing business
✔ Dynamic environment combining technology, infrastructure, and operational excellence

If you're interested in combining project leadership with innovative technology in a truly international setting, please apply on our portal

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

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🚀 IT Infrastructure Project Lead | Global Automation Projects | International Environment

What if your next role gave you the opportunity to lead complex IT infrastructure projects powering some of the world's most advanced automated logistics systems?

We're partnering with a global leader in logistics automation, delivering cutting-edge solutions across airports, warehousing, and parcel handling operations worldwide. From design and testing through to on-site commissioning, you'll play a key role in delivering large-scale, future-focused infrastructure projects with real operational impact.

🔹 What you'll be doing:
* Leading end-to-end IT infrastructure delivery within multidisciplinary international projects
* Managing timelines, budgets, risks, quality, and stakeholder expectations
* Collaborating with engineering, product development, and sales teams to deliver seamless customer solutions
* Supporting innovation and process improvement initiatives within the department
* Mentoring and guiding technical leads across the team
* Occasionally travelling internationally to support customer implementations

🔹 What we're looking for:
* 5+ years of experience delivering complex IT infrastructure projects
* Strong project leadership and stakeholder management skills
* Experience working in agile and/or waterfall environments
* A hands-on, solution-oriented mindset with excellent communication skills
* PRINCE2, PMP or equivalent project management experience is a plus
* Fluent English and willingness to work in an international environment

🔹 Why join?
✔ Work on high-impact automation projects used globally
✔ Join a collaborative and innovative international team
✔ Strong career development opportunities within a growing business
✔ Dynamic environment combining technology, infrastructure, and operational excellence

If you're interested in combining project leadership with innovative technology in a truly international setting, please apply on our portal

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

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Scrum Master - Nederland (Flexibele werkafspraken, afhankelijk van de opdracht)
Wij zijn op zoek naar een ervaren Scrum Master die de oplevering van complexe digitale initiatieven ondersteunt binnen een gestructureerde omgeving met een hoge mate van verantwoordelijkheid. Deze rol is zeer geschikt voor iemand die zich prettig voelt in een omgeving met gevestigde governance, uiteenlopende stakeholders en teams die opereren binnen de publieke sector of overheid.

Verantwoordelijkheden

Faciliteren van Scrum‑ceremonies zoals Sprint Planning, Daily Stand‑ups, Reviews en RetrospectivesCoachen van teams in Agile‑ en Scrum‑best practices en het stimuleren van continue verbeteringSignaleren en wegnemen van impediments om voorspelbare en duurzame waardecreatie mogelijk te makenNauwe samenwerking met Product Owners, delivery leads en stakeholders om alignment te waarborgenOndersteunen van Agile werkwijzen binnen gereguleerde of beleidsgedreven omgevingen

Profiel

Aantoonbare ervaring als Scrum Master binnen Agile delivery teamsErvaring binnen de overheid of publieke sector heeft de voorkeurSterke vaardigheden in faciliteren en stakeholdermanagementComfortabel werken binnen governance‑kaders en gestructureerde delivery‑modellenPragmatiche Agile‑mentaliteit met focus op resultaten in plaats van theorieScrum‑certificering (CSM, PSM of vergelijkbaar) is een pré

Wat wordt geboden

Mogelijkheid om te werken aan betekenisvolle, grootschalige initiatievenSamenwerking binnen multidisciplinaire, cross‑functionele teamsMarktconforme vergoeding passend bij ervaringFlexibele werkafspraken, afhankelijk van de opdracht

Ben jij een Scrum Master met ervaring in het tempo en de complexiteit van de publieke sector en wil je bijdragen aan werk dat echt impact maakt? Dan komen we graag met je in contact.

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

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