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Cybersecurity involves protecting systems, networks, and programs from digital attacks. It is essential for safeguarding sensitive information and ensuring the integrity, confidentiality, and availability of data.

38 results
Fixed term

Job VacancySenior IT Infrastructure & Systems Lead

Nexus Jobs Limited
Published on

£70k-75k
London, England, United Kingdom
Senior IT Infrastructure & Systems Lead Our Client a bank, in Central London are looking for an experienced IT Infrastructure professional who is ideally looking for their next challenge in a dynamic and regulated financial services environment. We are seeking a highly skilled Senior IT Infrastructure Officer to lead the management, security, and continuous improvement of our enterprise IT infrastructure. The Senior IT Infrastructure Officer will be playing a key role in ensuring the availability, resilience, and performance of critical systems while supporting technologies across servers, networks, cloud services, cybersecurity, and business-critical financial applications. The candidate must have strong technical expertise in Windows/Linux, VMware, Microsoft 365, networking, cybersecurity, and infrastructure management who also enjoys solving complex challenges and driving operational excellence. Must have 7 years' experience in enterprise infrastructure, ideally within banking or financial services, and be passionate about delivering secure, reliable IT services.. The role will be Monday to Friday, 9:30am to 5:30pm and reporting into the Head of IT & Data. Due to the nature of the role, the individual is expected to work in our offices, 5 days per week, during their probationary period Infrastructure & Systems Management Administer, maintain, and optimize Windows and Linux server environments. Manage VMware virtualized infrastructure (vSphere 8 and above). Oversee enterprise backup and disaster recovery solutions using Veeam Backup & Replication. Manage Veeam ONE monitoring and Veeam Recovery Orchestrator (VRO) environments. Administer endpoint security and encryption solutions, including Symantec Endpoint Protection (SEP) and Symantec Endpoint Encryption (SEE). Support endpoint DLP, SIEM, and security monitoring tools (e.g., Splunk, Tenable). Manage patching processes using ManageEngine Patch Manager Plus. Support Microsoft 365 services and related cloud technologies. In depth understanding of Cyber security Monitor system performance, capacity, availability, and infrastructure health. Ensure compliance with IT governance, security policies, and operational standards. End-User Computing & Branch Support Provide advanced desktop, laptop, printer, Mobile device (iOS) and branch office IT support. Deliver AV support for meeting rooms, conferencing, presentations, and collaboration systems. Manage OS deployment, imaging, image creation, maintenance, and software packaging. Administer Active Directory (AD), Group Policy Objects (GPOs) and user provisioning and NTFS permissions. Support Microsoft 365 applications including Outlook, Teams, OneDrive, and SharePoint. Resolve technical incidents and service requests in line with agreed SLAs. Enterprise Applications & Financial Systems Support Support and administer business-critical applications, including: Bloomberg FXT and Refinitiv Eikon, Murex Treasury System, SWIFT Alliance Access (SAA), 1AML, SIBS, GFMS, COP Support enterprise file synchronization and replication solutions (e.g., Syncovery, other SFTP). Networking • Configure and support Cisco switches and routers. • Administer FortiGate firewall environments. • Strong network fundamentals: DNS, DHCP, TCP/IP, LAN/WAN, Routing and connectivity troubleshooting. Monitor network performance, availability, and security posture. Security & Endpoint Management Support vulnerability management using tools such as Tenable. Manage security monitoring and log analysis tools (e.g., Splunk). Perform SSL/TLS certificate lifecycle management using OpenSSL. Create and manage CSRs, certificate chains, and private keys. Ensure adherence to cybersecurity policies, standards, and regulatory requirements. Support physical access control systems (e.g., Paxton) Operating Systems Windows 11 Windows Server 2019/2022 (or equivalent enterprise environments) Red Hat Linux Infrastructure & Virtualization VMware vSphere / vCenter (v8.0.3 and above) Veeam Backup & Replication Veeam ONE, VRO Microsoft Office 365 ManageEngine Patch Manager Plus SAAS solutions SQL Server Security Symantec Endpoint Protection (SEP) Symantec Endpoint Encryption (SEE) SentinelOne – EDR/ XDR Endpoint DLP solutions Firewall administration Vulnerability management tools (e.g., Tenable) SIEM tools (e.g., Splunk) Networking Cisco Switches and Routers FortiGate Firewalls LAN/WAN networking and routing Hardware & Storage Dell PowerEdge Servers Dell PowerVault SAN Storage Education Bachelor or Master's degree or professional qualification in relevant discipline (IT/Information Systems/Computer Science/Technology/Programming/Information Science/System Engineering/Computing) The role is based in Central London and initially will be be 5 days per week in the office. This is a 12 month FTC position. The salary for the role will be circa £70K - £75K. Do send your CV to us in Word format along with your salary and availability.
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Permanent

Job VacancySenior IT Infrastructure Officer

Nexus Jobs Limited
Published on

£70k-75k
London, England, United Kingdom
Senior IT Infrastructure Officer Our Client a bank, in Central London are looking for an experienced IT Infrastructure professional who is ideally looking for their next challenge in a dynamic and regulated financial services environment. We are seeking a highly skilled Senior IT Infrastructure Officer to lead the management, security, and continuous improvement of our enterprise IT infrastructure. The Senior IT Infrastructure Officer will be playing a key role in ensuring the availability, resilience, and performance of critical systems while supporting technologies across servers, networks, cloud services, cybersecurity, and business-critical financial applications. The candidate must have strong technical expertise in Windows/Linux, VMware, Microsoft 365, networking, cybersecurity, and infrastructure management who also enjoys solving complex challenges and driving operational excellence. Must have 7 years' experience in enterprise infrastructure, ideally within banking or financial services, and be passionate about delivering secure, reliable IT services.. The role will be Monday to Friday, 9:30am to 5:30pm and reporting into the Head of IT & Data. Due to the nature of the role, the individual is expected to work in our offices, 5 days per week, during their probationary period Infrastructure & Systems Management Administer, maintain, and optimize Windows and Linux server environments. Manage VMware virtualized infrastructure (vSphere 8 and above). Oversee enterprise backup and disaster recovery solutions using Veeam Backup & Replication. Manage Veeam ONE monitoring and Veeam Recovery Orchestrator (VRO) environments. Administer endpoint security and encryption solutions, including Symantec Endpoint Protection (SEP) and Symantec Endpoint Encryption (SEE). Support endpoint DLP, SIEM, and security monitoring tools (e.g., Splunk, Tenable). Manage patching processes using ManageEngine Patch Manager Plus. Support Microsoft 365 services and related cloud technologies. In depth understanding of Cyber security Monitor system performance, capacity, availability, and infrastructure health. Ensure compliance with IT governance, security policies, and operational standards. End-User Computing & Branch Support Provide advanced desktop, laptop, printer, Mobile device (iOS) and branch office IT support. Deliver AV support for meeting rooms, conferencing, presentations, and collaboration systems. Manage OS deployment, imaging, image creation, maintenance, and software packaging. Administer Active Directory (AD), Group Policy Objects (GPOs) and user provisioning and NTFS permissions. Support Microsoft 365 applications including Outlook, Teams, OneDrive, and SharePoint. Resolve technical incidents and service requests in line with agreed SLAs. 3. Enterprise Applications & Financial Systems Support Support and administer business-critical applications, including: Bloomberg FXT and Refinitiv Eikon, Murex Treasury System, SWIFT Alliance Access (SAA), 1AML, SIBS, GFMS, COP Support enterprise file synchronization and replication solutions (e.g., Syncovery, other SFTP). 4. Networking • Configure and support Cisco switches and routers. • Administer FortiGate firewall environments. • Strong network fundamentals: DNS, DHCP, TCP/IP, LAN/WAN, Routing and connectivity troubleshooting. Monitor network performance, availability, and security posture. Security & Endpoint Management Support vulnerability management using tools such as Tenable. Manage security monitoring and log analysis tools (e.g., Splunk). Perform SSL/TLS certificate lifecycle management using OpenSSL. Create and manage CSRs, certificate chains, and private keys. Ensure adherence to cybersecurity policies, standards, and regulatory requirements. Support physical access control systems (e.g., Paxton) Operating Systems Windows 11 Windows Server 2019/2022 (or equivalent enterprise environments) Red Hat Linux Infrastructure & Virtualization VMware vSphere / vCenter (v8.0.3 and above) Veeam Backup & Replication Veeam ONE, VRO Microsoft Office 365 ManageEngine Patch Manager Plus SAAS solutions SQL Server Security Symantec Endpoint Protection (SEP) Symantec Endpoint Encryption (SEE) SentinelOne – EDR/ XDR Endpoint DLP solutions Firewall administration Vulnerability management tools (e.g., Tenable) SIEM tools (e.g., Splunk) Networking Cisco Switches and Routers FortiGate Firewalls LAN/WAN networking and routing Hardware & Storage Dell PowerEdge Servers Dell PowerVault SAN Storage Education Bachelor or Master's degree or professional qualification in relevant discipline (IT/Information Systems/Computer Science/Technology/Programming/Information Science/System Engineering/Computing) The role is based in Central London and initally will be be 5 days per week in the office. This is a 12 month FTC position. The salary for the role will be circa £70K - £75K. Do send your CV to us in Word format along with your salary and availability.
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Contractor

Contractor job[LFR] Assistance RSSI L3 à Massy - 2023

ISUPPLIER
Published on

10 months
300-475 €
Massy, Normandy
La mission s'inscrit dans un contexte d'évaluation de la sécurité des solutions et des fonctionnalités afin d'identifier les risques cyber associés et de contribuer à leur maîtrise. Le consultant interviendra sur l'analyse des risques de sécurité et la formulation de recommandations auprès des différents interlocuteurs. Missions : - Évaluer le niveau de sécurité des solutions et des fonctionnalités - Identifier les risques de sécurité associés aux solutions évaluées - Analyser et estimer les risques cyber - Produire des rapports d'analyse et des synthèses de sécurité - Préparer des présentations permettant de restituer les analyses réalisées - Présenter oralement les résultats et les recommandations - Défendre et argumenter les positions relatives à la sécurité - Identifier les points de blocage et assurer leur escalade si nécessaire Profil attendu : Consultant en cybersécurité de niveau confirmé à senior, spécialisé dans l'analyse des risques et l'évaluation de la sécurité des solutions. Il dispose d'une bonne culture générale en cybersécurité, connaît les techniques d'attaque courantes et les principales menaces cyber, et maîtrise les bonnes pratiques de l'ANSSI. Il possède des connaissances en sécurité des applications et des bases de données ainsi qu'en analyse des risques. Des connaissances en développement sécurisé, en normes ISO 2700x et en NIST Cybersecurity Framework sont appréciées. Il sait synthétiser et présenter ses analyses, argumenter ses positions et communiquer avec des interlocuteurs variés.
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Contractor

Contractor jobIngénieur Network Security Policy Management – AlgoSec

Signe +
Published on
AlgoSec

12 months
490-760 €
Paris, France
Contexte de la missionDans le cadre de la sécurisation et de l'optimisation des infrastructures réseau, nous recherchons un Ingénieur Network Security spécialisé en gestion des politiques de sécurité avec AlgoSec. Le consultant interviendra notamment sur la gestion, l'analyse et l'optimisation des règles de sécurité réseau et des politiques firewall. Missions principalesAdministrer et exploiter la solution AlgoSec. Gérer et analyser les politiques de sécurité réseau. Analyser les règles et matrices de flux firewall. Participer aux demandes d'ouverture, modification et suppression de flux. Identifier les règles obsolètes, inutilisées, redondantes ou trop permissives. Contribuer à l'optimisation des politiques de sécurité. Analyser les impacts liés aux changements de règles réseau. Participer au troubleshooting des problématiques de connectivité et de filtrage. Travailler avec les équipes Network, Firewall, Infrastructure et Cybersecurity. Maintenir la documentation technique et les procédures d'exploitation. Compétences techniques indispensablesAlgoSec Network Security / Firewall Security Policy Management Compétences complémentaires appréciéesPalo Alto Networks Fortinet / FortiGate Check Point Cisco TCP/IP, routage et filtrage réseau Analyse de flux Automatisation / scripting Environnements Cloud et Datacenter Profil recherchéExpérience significative en sécurité réseau. Expérience opérationnelle sur AlgoSec. Bonne compréhension des architectures firewall et des flux réseau. Maîtrise des problématiques de gestion du cycle de vie des règles de sécurité. Capacité à analyser les impacts d'une modification de politique firewall. Autonomie en environnement de production.
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