Security Architect (AppSec and Network Security) - B2B

Added 06/04/2026

Role: Security Architect (AppSec and Network Security) - B2BDuration: 6-month rolling contractWorking 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...

Network Security Engineer

Added 12/05/2026

Network Security EngineerContractLocation: Remote / Hybrid (Amsterdam)Contract Length: 6-12 months Start Date: ASAP Rate: CompetitiveAbout the RoleOur 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 ResponsibilitiesNetwork Security Integration & HardeningAssess, analyse, and map the acquired company's network and security...

Network Security Engineer

Added 12/05/2026

Network Security Engineer gezocht - Utrecht12 maanden contract (Detachering)€65.000 - €70.000Hybride - 2 dagen p/w op kantoor28 vakantiedagen7 officiële feestdagen (Bevrijdingsdag jaarlijks van toepassing)8% vakantiegeld8,33% eindejaarsuitkeringPensioencompensatieWat 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 & changesWat jij meebrengt:10+ jaar ervaring met Check Point & Cisco5+ jaar ervaring als Security Specialist binnen...

Network Security Engineer

Added 07/04/2026

Network Security EngineerContract Location: Remote / Hybrid (Amsterdam)Contract Length: 6-12 months Start Date: ASAP Rate: CompetitiveAbout the RoleOur 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 ResponsibilitiesNetwork Security Integration & HardeningAssess, analyse, and map the acquired company's network and...

Network Security Engineer (Tax-Free)

Added 09/02/2026

Network Security Engineer - Abu Dhabi (Tax‑Free)Location: Abu Dhabi, UAE NET Take‑Home: £100,000 - £150,000 (tax‑free) Full Relocation Package for You & Your FamilyContract: 18‑month fixed term Visa Processing: 3-5 days (family included) Accommodation: Provided (partial housing allowance) Flights: Included for you and your family Healthcare: Full private medical for you and your family Notice Period: 1 monthWe are seeking an experienced Network Security Engineer to join a major organisation in Abu Dhabi, working on a large‑scale, cloud‑first security transformation. This is a hands‑on engineering role focused on SASE, Zscaler (ZIA/ZPA), FortiGate firewalls, and enterprise Wi‑Fi security.You'll be responsible for...

Network Security Consultant

Added 27/05/2026

Senior Network Security Consultant (DORA Programme) - ContractLocation: Fully Remote (Europe)Preferred Location: PolandContract Duration: 12 months initial (strong likelihood of extension)Start Date: ASAP OverviewWe are supporting a major European financial services organisation on a large-scale DORA compliance programme and are looking to onboard multiple Senior Network Security Consultants on a contract basis.This is a high-impact engagement focused on delivering third-party infrastructure and security assessments at scale. You will join an established Cloud & Network Security function, contributing to critical regulatory compliance activities. The RoleAs a Senior Consultant, you will operate at a strategic and advisory level, focusing on assessment, architecture...

Network Engineer

Added 03/06/2026

Job Title: Network EngineerCompany:Telecom Job Description:We're seeking a skilled Network Engineer to support the nationwide deployment and maintenance of virtual Cable Modem Termination Systems (vCMTS) and Remote PHY (RPHY) turn-ups. This cutting-edge, cloud-based vCMTS technology replaces traditional analog hardware, enabling faster speeds, improved network performance, ensuring reliable activation of next‑generation access network (NGAN) platforms. As part of the NGAN Operations Team, the engineer will be responsible for vCMTS platform stand‑up, including software installation, system validation, network configuration, and ongoing maintenance. By shifting core CMTS functions to edge compute infrastructure, This role demands deep expertise in production operations within a 24x7...

Network Engineer

Added 03/06/2026

Job Title: Network EngineerCompany:Telecom Job Description:We're seeking a skilled Network Engineer to support the nationwide deployment and maintenance of virtual Cable Modem Termination Systems (vCMTS) and Remote PHY (RPHY) turn-ups. This cutting-edge, cloud-based vCMTS technology replaces traditional analog hardware, enabling faster speeds, improved network performance, ensuring reliable activation of next‑generation access network (NGAN) platforms. As part of the NGAN Operations Team, the engineer will be responsible for vCMTS platform stand‑up, including software installation, system validation, network configuration, and ongoing maintenance. By shifting core CMTS functions to edge compute infrastructure, This role demands deep expertise in production operations within a 24x7...

Network Design Engineer

Added 19/05/2026

Role: Network Design Engineer Position OverviewWe are seeking an experienced Design Engineer III to support carrier-grade Ethernet and metro network services within a large telecom environment. This is a highly technical network design role focused on designing commercial Ethernet services for enterprise customers across West Division markets.The ideal candidate will have strong experience with:Carrier Ethernet / Metro Ethernet servicesLayer 2 and Layer 3 telecom networkingFiber transport technologiesTelecom network design and service deliveryCarrier-grade routing and switching environmentsThis is not an enterprise IT/network administrator role. Candidates must come from a telecom, carrier, ISP, or service provider background rather than campus or internal...

Network Design Engineer

Added 19/05/2026

Role: Network Design Engineer Position OverviewWe are seeking an experienced Design Engineer III to support carrier-grade Ethernet and metro network services within a large telecom environment. This is a highly technical network design role focused on designing commercial Ethernet services for enterprise customers across West Division markets.The ideal candidate will have strong experience with:Carrier Ethernet / Metro Ethernet servicesLayer 2 and Layer 3 telecom networkingFiber transport technologiesTelecom network design and service deliveryCarrier-grade routing and switching environmentsThis is not an enterprise IT/network administrator role. Candidates must come from a telecom, carrier, ISP, or service provider background rather than campus or internal...

Network Design Engineer

Added 19/05/2026

Role: Network Design Engineer Position OverviewWe are seeking an experienced Design Engineer III to support carrier-grade Ethernet and metro network services within a large telecom environment. This is a highly technical network design role focused on designing commercial Ethernet services for enterprise customers across West Division markets.The ideal candidate will have strong experience with:Carrier Ethernet / Metro Ethernet servicesLayer 2 and Layer 3 telecom networkingFiber transport technologiesTelecom network design and service deliveryCarrier-grade routing and switching environmentsThis is not an enterprise IT/network administrator role. Candidates must come from a telecom, carrier, ISP, or service provider background rather than campus or internal...

Network Design Engineer

Added 19/05/2026

Role: Network Design Engineer Position OverviewWe are seeking an experienced Design Engineer III to support carrier-grade Ethernet and metro network services within a large telecom environment. This is a highly technical network design role focused on designing commercial Ethernet services for enterprise customers across West Division markets.The ideal candidate will have strong experience with:Carrier Ethernet / Metro Ethernet servicesLayer 2 and Layer 3 telecom networkingFiber transport technologiesTelecom network design and service deliveryCarrier-grade routing and switching environmentsThis is not an enterprise IT/network administrator role. Candidates must come from a telecom, carrier, ISP, or service provider background rather than campus or internal...

Network Design Engineer

Added 19/05/2026

Role: Network Design Engineer Position OverviewWe are seeking an experienced Design Engineer III to support carrier-grade Ethernet and metro network services within a large telecom environment. This is a highly technical network design role focused on designing commercial Ethernet services for enterprise customers across West Division markets.The ideal candidate will have strong experience with:Carrier Ethernet / Metro Ethernet servicesLayer 2 and Layer 3 telecom networkingFiber transport technologiesTelecom network design and service deliveryCarrier-grade routing and switching environmentsThis is not an enterprise IT/network administrator role. Candidates must come from a telecom, carrier, ISP, or service provider background rather than campus or internal...

Design Engineer - Carrier Ethernet / Telecom Network

Added 19/05/2026

Position SummaryWe are seeking an experienced Design Engineer III - Carrier Ethernet / Telecom Network Design to join a high-performing telecom engineering team focused on carrier-grade Ethernet service delivery, fiber transport design, and metro network infrastructure solutions. The ideal candidate will possess strong experience in carrier/service provider networking environments, Layer 2/Layer 3 Ethernet technologies, and fiber-based network design.This role requires an engineer who is comfortable working in a fast-paced, queue-driven operational environment, designing scalable and resilient Ethernet services for enterprise customers while supporting large-scale telecom infrastructure deployments.Key ResponsibilitiesDesign and develop carrier-grade Ethernet network services for enterprise and commercial customersCreate detailed...

Network Engineer

Added 09/04/2026

Job Title: Senior Network & Systems Operations Engineer Location: Hybrid (3-4 days onsite) Duration: Contract (12+ months) with potential for full-time conversionOverviewWe are seeking a Senior Network & Systems Operations Engineer to support the deployment, maintenance, and reliability of critical infrastructure in a high-availability, 24/7 production environment. This role combines hands-on network engineering with Linux systems support to ensure performance, stability, and uptime across services.Key ResponsibilitiesTroubleshoot and resolve production issues across network and Linux systemsDeploy and maintain network infrastructure (routers, switches, servers)Participate in on-call rotation and handle incidentsSupport rollout of new technologies with engineering teamsBuild/maintain monitoring and improve system reliabilityDocument...