Trouvez votre prochaine offre d’emploi ou de mission freelance Juniper

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Freelance

Mission freelanceNetwork Engineer - Juniper or Cisco - DV Cleared

LA International Computer Consultants Ltd
Publiée le

6 mois
£500-550
Bristol, Royaume-Uni
Network Engineer - Juniper or Cisco Must have an Active DV Clearance You will work alongside experienced engineers, interpreting technical documentation and delivering secure network infrastructure that supports critical operational services. The position is ideal for an experienced 3rd Line Network Engineer looking to step into a 4th Line engineering role. Legacy infrastructure training will be provided where required. Network Engineer Responsibilities Build, configure, and support secure network devices. Configure, troubleshoot, and fault-find enterprise network infrastructure. Interpret Low Level Designs (LLDs), Build Guides, and Work Instructions to deliver technical solutions. Support routing, switching, firewall, and network infrastructure deployments. Work with technical teams to deliver secure infrastructure changes. Diagnose and resolve complex networking issues. Support service improvements and infrastructure enhancement activities. Maintain accurate technical documentation and implementation records. Network Engineer Skills and Experience Strong experience providing 3rd Line network support with the desire to progress into a 4th Line engineering role. Experience with Juniper networking technologies. Strong Cisco experience will also be considered. Good knowledge of routing, switching, MPLS, and BGP. Experience supporting enterprise network firewalls. Ability to configure, troubleshoot, and fault-find network devices. Experience interpreting Low Level Designs (LLDs), Build Guides, and Work Instructions. Strong analytical and problem-solving skills. Knowledge of hardware encryption technologies would be advantageous. Training will be provided where required. Excellent communication and team working skills. Ex-Military Signals experience would be advantageous. To apply, please send your CV by pressing the apply button. Due to high volume of applications, only shortlisted CVs will be contacted. Due to the nature and urgency of this post, candidates holding or who have held high level security clearance in the past are most welcome to apply. Please note successful applicants will be required to be security cleared prior to appointment which can take a minimum 18 weeks. LA International is an award-winning partner of choice for many of the world's most influential companies and government organisations. Holding Enhanced Government Security Accreditation, we are recognised as the European market leader in the delivery of Security Cleared talent to organisations that demand the very highest levels of security, compliance and assurance. An award-winning organisation, having secured the prestigious Queens Award for Enterprise: International Trade over multiple years. We are committed to fostering an inclusive, equitable and accessible workplace where everyone feels valued and supported. We welcome applications from all individuals, regardless of background or identity, and we encourage candidates who may not meet every listed requirement to still apply. If you require any adjustments or support during the recruitment process, please let us know and we will work with you to ensure a fair and accessible experience. Please Note: If a high volume of applications is received, only candidates shortlisted will be contacted.
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Freelance

Mission freelance3rd Line System Administrator - Juniper or Cisco - DV Cleared

LA International Computer Consultants Ltd
Publiée le

6 mois
£500
Bristol, Royaume-Uni
3rd Line System Administrator - Juniper or Cisco Must have an Active DV Clearance You will be responsible for incident resolution, system monitoring, infrastructure support, and technical troubleshooting across a broad range of enterprise technologies. The position is ideal for an experienced 2nd or 3rd Line Systems Administrator looking to develop their skills further. Candidates willing to work in Corsham are particularly encouraged to apply, and flexibility on technical experience will be considered. Legacy infrastructure training will be provided where required. 3rd Line System Administrator Responsibilities Provide 2nd and 3rd Line support for secure infrastructure and user services. Monitor systems and respond to incidents through the service management toolset. Configure, troubleshoot, and resolve infrastructure and network faults. Support Windows Server, Active Directory, VMware, Exchange, and core infrastructure technologies. Perform user administration, system maintenance, and operational support activities. Analyse Windows log files and diagnose technical issues. Support network technologies including routing, switching, firewalls, MPLS, and BGP. Deliver existing implementation solutions and contribute to service improvements. Participate in shift work where required. 3rd Line System Administrator Skills and Experience Experience providing 2nd or 3rd Line infrastructure support. Strong knowledge of Windows Server 2012/2022 and VMware technologies. Experience with Active Directory, GPO, DNS, DFS, User Account Management, and Exchange. Strong troubleshooting and analytical skills. Experience configuring and fault-finding network devices. Knowledge of routing, switching, MPLS, BGP, and enterprise firewalls. Experience with Juniper networking technologies is desirable. Strong Cisco experience will also be considered. Knowledge of HSM, PKI, or hardware encryption would be advantageous. Training will be provided where required. Excellent customer service and communication skills. Ex-Military Signals experience would be advantageous. To apply, please send your CV by pressing the apply button. Due to high volume of applications, only shortlisted CVs will be contacted. Due to the nature and urgency of this post, candidates holding or who have held high level security clearance in the past are most welcome to apply. Please note successful applicants will be required to be security cleared prior to appointment which can take a minimum 18 weeks. LA International is an award-winning partner of choice for many of the world's most influential companies and government organisations. Holding Enhanced Government Security Accreditation, we are recognised as the European market leader in the delivery of Security Cleared talent to organisations that demand the very highest levels of security, compliance and assurance. An award-winning organisation, having secured the prestigious Queens Award for Enterprise: International Trade over multiple years. We are committed to fostering an inclusive, equitable and accessible workplace where everyone feels valued and supported. We welcome applications from all individuals, regardless of background or identity, and we encourage candidates who may not meet every listed requirement to still apply. If you require any adjustments or support during the recruitment process, please let us know and we will work with you to ensure a fair and accessible experience. Please Note: If a high volume of applications is received, only candidates shortlisted will be contacted.
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Freelance

Mission freelanceAdministrateur Cyber et Réseau H/F

Insitoo Freelances
Publiée le
Administration linux
Fortinet
Juniper

2 ans
300-390 €
Sophia Antipolis, Provence-Alpes-Côte d'Azur
Contexte : Vous rejoignez une équipe dédiée à l'exploitation et à l'évolution des infrastructures Réseau & Sécurité pour le compte d'un client telecom. Vous intervenez depuis le centre de services externalisé, au sein d'un dispositif d'infogérance regroupant plusieurs experts réseaux, systèmes et sécurité. Dans ce contexte, vous participez au maintien en conditions opérationnelles et aux évolutions d'infrastructures critiques, avec une dominante forte sur les technologies Fortinet. Au sein de l'équipe Réseau & Sécurité, vous êtes un acteur clé de l'exploitation et de l'amélioration continue des infrastructures. Les missions attendues par le Administrateur Cyber et Réseau H/F : - Administrer et maintenir les équipements Fortinet (FortiGate, FortiManager) ; - Assurer le traitement des incidents et problèmes de niveau 2 et 3 ; - Réaliser les opérations de changement et les mises en production ; - Participer à l'analyse et à la résolution d'incidents complexes ; - Garantir la disponibilité, la performance et la sécurité des infrastructures ; - Contribuer à l'automatisation et à l'industrialisation des activités d'exploitation ; - Participer à la rédaction et à l'amélioration de la documentation technique. Livrables : - Exploitation et administration des infrastructures de sécurité ; - Traitement des incidents et demandes de changement ; - Documentation et procédures d'exploitation ; - Rapports d'analyse et comptes-rendus d'intervention ; - Contribution aux projets d'évolution et d'amélioration continue ; - Mise en œuvre des bonnes pratiques de sécurité. Compétences Indispensables : - Administration et exploitation des environnements Juniper (MX / EX Series) ; - Administration des équipements de répartition de charge F5 BIG-IP ; - Administration et sécurisation des infrastructures Fortinet (FortiGate, FortiManager) ; - Solides connaissances des protocoles réseaux : TCP/IP VLAN Routage statique et dynamique (OSPF, BGP) Switching Appréciées : - Environnements Cisco ; - Administration Linux (RedHat, CentOS, Rocky Linux, Ubuntu) ; - Automatisation via Ansible, Shell ou Python ; - Outils de supervision et monitoring (Centreon, Grafana, Zabbix). Compétences clés : Obligatoire : RES LAN Important : RES CISCO admin linux
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Freelance
CDI

Offre d'emploiIngénieur Réseaux Sécurité Automatisation F/H

LED'RH
Publiée le
Administration réseaux
Ansible
Aruba

6 mois
48k-55k €
460-550 €
Lille, Hauts-de-France
Envie de rejoindre une société de services à taille humaine, avec de beaux projets techniques ? Ce qui suit pourrait vous intéresser… Je suis Laetitia de LED'RH, spécialisée dans le recrutement IT, et accompagne mon client dans sa recherche d'un Ingénieur Réseaux et Sécurité expérimenté F/H. En bref : · Mon client : ESN à taille humaine, spécialisée Réseaux et Cybersécurité · Le poste : CDI ; potentielles missions de longue durée · Les secteurs d'activité : Retail, Industrie, Banque, … · Localisation : Métropole lilloise (59) · Télétravail : à convenir selon les besoins du client · La rémunération : à partir de 48 K€ fixe, variable selon profil + Avantages : PEE + primes + Mutuelle 100% prise en charge + Tickets Restaurant LE POSTE : En tant qu'Ingénieur Réseaux et Sécurité, vous intervenez chez les clients de l'ESN, sur des sujets variés, selon leurs besoins : · La conception des architectures réseau et de sécurité, leur dimensionnement, le cadrage des projets de migration · Le déploiement et la configuration des équipements réseau selon les environnements client, la gestion des projets de migration · La sécurité des infrastructures (segmentation, VPN, filtrage, …) · Le RUN et l'expertise technique (support N3), en vue d'accompagner le client jusqu'au bout
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CDI

Offre d'emploiIngénieur Firewalling Sécurité H/F

CONSORT GROUP
Publiée le
Fortinet
Juniper
Palo Alto

52k-54k €
75017, Paris, Île-de-France
Chaque moment compte. Surtout ceux que vous vivez à fond. Bienvenue chez Consort Group. Consort Group, accompagne depuis plus de 30 ans les entreprises dans la valorisation de leurs données et infrastructures. Elle s'appuie sur deux leaders, Consortis et Consortia, et place l'humain et la responsabilité sociétale au cœur de ses valeurs. C'est votre future équipe Les équipes de Consortis, sont au cœur des enjeux actuels de Cybersécurité, Virtualisation & Cloud, Systèmes, Réseaux et Télécom, ainsi que sur les environnements Digital Workplace. Les compétences RPA et DevOps viennent renforcer ces offres pour accélérer l'agilité et l'efficacité opérationnelle des services délivrés. Ingénieur Firewalling Sécurité H/F C'est votre missionVous êtes passionné·e par la sécurité des réseaux et les environnements critiques ? Ce poste est fait pour vous. En tant qu'Ingénieur Réseaux & Sécurité Firewall, vous êtes responsable de l'administration, de l'évolution et du maintien en conditions opérationnelles des infrastructures de sécurité de notre écosystème. Missions : Assurer les activités RUN liées aux infrastructures Firewall : analyse des demandes, troubleshooting et gestion des incidents. Mettre en œuvre et faire évoluer les politiques de filtrage conformément aux exigences métiers et aux règles de sécurité. Participer aux projets BUILD en implémentant les matrices de flux définies dans le cadre des nouveaux projets. Déployer et maintenir les règles de filtrage sur les firewalls dans le respect des procédures d'exploitation et de la politique de sécurité interne. Réaliser des diagnostics techniques afin d'identifier les causes de dysfonctionnements et proposer des actions correctives ou des solutions de contournement. Définir et appliquer les bonnes pratiques d'exploitation, de gestion et de sécurisation des infrastructures Firewall. Contribuer à l'amélioration continue des activités RUN en proposant des optimisations techniques et opérationnelles. C'est votre parcoursVous avez au moins 5 ans d'expérience dans l'administration d'infrastructures Réseaux & Sécurité. Vous appréciez les environnements techniques exigeants, où la disponibilité des services et la sécurité sont des enjeux majeurs. Vous aimez résoudre des problématiques complexes tout en contribuant à l'amélioration continue des infrastructures. C'est votre expertise :Administration et exploitation de Firewall Palo Alto Administration et exploitation de Firewall Fortinet Virtualisation réseau VMware NSX Gestion des politiques de filtrage et matrices de flux Analyse des incidents, troubleshooting et support de niveau avancé Connaissance des bonnes pratiques de sécurité des réseaux Anglais professionnel C'est votre manière de faire équipe :Esprit d'analyse et capacité à résoudre des incidents complexes Rigueur et sens de l'organisation Autonomie et capacité à prioriser les demandes Esprit d'équipe et sens du service Force de proposition dans l'amélioration continue Bonnes capacités de communication avec les équipes techniques et projets C'est notre engagementChez Consort Group, vous êtes un·e expert·e qu'on accompagne pour que chaque mission devienne une étape qui compte. Un onboarding attentif et humain Une vraie proximité managériale Des formations accessibles en continu Des engagements concrets : inclusion, égalité, solidarité Un package RH complet : mutuelle, carte TR, CSE, prévoyance Une culture du feedback et des projets qui font sens C'est clairLe process de recrutement : Un premier échange téléphonique avec notre team recrutement Un entretien RH ainsi qu'un échange métier avec un.e ingénieur.e d'affaires Un test ou un échange technique avec un.e de nos Un dernier point avec votre futur.e manager ou responsable de mission Et si on se reconnaît : on démarre ensemble C'est bon à savoirLieu : Paris 13 Contrat : CDI Télétravail : Hybride selon la mission Salaire : 52K-54K Famille métier : Réseaux & Sécurité Ce que vous ferez ici, vous ne le ferez nulle part ailleurs. Ce moment, c'est le vôtre.
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Freelance

Mission freelanceNetwork Engineer - Juniper or Cisco - DV Cleared

LA International Computer Consultants Ltd
Publiée le

6 mois
£550
RG29 1BY, Hart, England, United Kingdom
Network Engineer - Juniper or Cisco Must have an Active DV Clearance You will work alongside experienced engineers, interpreting technical documentation and delivering secure network infrastructure that supports critical operational services. The position is ideal for an experienced 3rd Line Network Engineer looking to step into a 4th Line engineering role. Legacy infrastructure training will be provided where required. Network Engineer Responsibilities Build, configure, and support secure network devices. Configure, troubleshoot, and fault-find enterprise network infrastructure. Interpret Low Level Designs (LLDs), Build Guides, and Work Instructions to deliver technical solutions. Support routing, switching, firewall, and network infrastructure deployments. Work with technical teams to deliver secure infrastructure changes. Diagnose and resolve complex networking issues. Support service improvements and infrastructure enhancement activities. Maintain accurate technical documentation and implementation records. Network Engineer Skills and Experience Strong experience providing 3rd Line network support with the desire to progress into a 4th Line engineering role. Experience with Juniper networking technologies. Strong Cisco experience will also be considered. Good knowledge of routing, switching, MPLS, and BGP. Experience supporting enterprise network firewalls. Ability to configure, troubleshoot, and fault-find network devices. Experience interpreting Low Level Designs (LLDs), Build Guides, and Work Instructions. Strong analytical and problem-solving skills. Knowledge of hardware encryption technologies would be advantageous. Training will be provided where required. Excellent communication and team working skills. Ex-Military Signals experience would be advantageous. To apply, please send your CV by pressing the apply button. Due to high volume of applications, only shortlisted CVs will be contacted. Due to the nature and urgency of this post, candidates holding or who have held high level security clearance in the past are most welcome to apply. Please note successful applicants will be required to be security cleared prior to appointment which can take a minimum 18 weeks. LA International is an award-winning partner of choice for many of the world's most influential companies and government organisations. Holding Enhanced Government Security Accreditation, we are recognised as the European market leader in the delivery of Security Cleared talent to organisations that demand the very highest levels of security, compliance and assurance. An award-winning organisation, having secured the prestigious Queens Award for Enterprise: International Trade over multiple years. We are committed to fostering an inclusive, equitable and accessible workplace where everyone feels valued and supported. We welcome applications from all individuals, regardless of background or identity, and we encourage candidates who may not meet every listed requirement to still apply. If you require any adjustments or support during the recruitment process, please let us know and we will work with you to ensure a fair and accessible experience. Please Note: If a high volume of applications is received, only candidates shortlisted will be contacted.
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Freelance

Mission freelance3rd Line System Administrator - Juniper or Cisco - DV Cleared

LA International Computer Consultants Ltd
Publiée le

6 mois
Bristol, Royaume-Uni
3rd Line System Administrator - Juniper or Cisco Must have an Active DV Clearance You will be responsible for incident resolution, system monitoring, infrastructure support, and technical troubleshooting across a broad range of enterprise technologies. The position is ideal for an experienced 2nd or 3rd Line Systems Administrator looking to develop their skills further. Candidates willing to work in Corsham are particularly encouraged to apply, and flexibility on technical experience will be considered. Legacy infrastructure training will be provided where required. 3rd Line System Administrator Responsibilities Provide 2nd and 3rd Line support for secure infrastructure and user services. Monitor systems and respond to incidents through the service management toolset. Configure, troubleshoot, and resolve infrastructure and network faults. Support Windows Server, Active Directory, VMware, Exchange, and core infrastructure technologies. Perform user administration, system maintenance, and operational support activities. Analyse Windows log files and diagnose technical issues. Support network technologies including routing, switching, firewalls, MPLS, and BGP. Deliver existing implementation solutions and contribute to service improvements. Participate in shift work where required. 3rd Line System Administrator Skills and Experience Experience providing 2nd or 3rd Line infrastructure support. Strong knowledge of Windows Server 2012/2022 and VMware technologies. Experience with Active Directory, GPO, DNS, DFS, User Account Management, and Exchange. Strong troubleshooting and analytical skills. Experience configuring and fault-finding network devices. Knowledge of routing, switching, MPLS, BGP, and enterprise firewalls. Experience with Juniper networking technologies is desirable. Strong Cisco experience will also be considered. Knowledge of HSM, PKI, or hardware encryption would be advantageous. Training will be provided where required. Excellent customer service and communication skills. Ex-Military Signals experience would be advantageous. To apply, please send your CV by pressing the apply button. Due to high volume of applications, only shortlisted CVs will be contacted. Due to the nature and urgency of this post, candidates holding or who have held high level security clearance in the past are most welcome to apply. Please note successful applicants will be required to be security cleared prior to appointment which can take a minimum 18 weeks. LA International is an award-winning partner of choice for many of the world's most influential companies and government organisations. Holding Enhanced Government Security Accreditation, we are recognised as the European market leader in the delivery of Security Cleared talent to organisations that demand the very highest levels of security, compliance and assurance. An award-winning organisation, having secured the prestigious Queens Award for Enterprise: International Trade over multiple years. We are committed to fostering an inclusive, equitable and accessible workplace where everyone feels valued and supported. We welcome applications from all individuals, regardless of background or identity, and we encourage candidates who may not meet every listed requirement to still apply. If you require any adjustments or support during the recruitment process, please let us know and we will work with you to ensure a fair and accessible experience. Please Note: If a high volume of applications is received, only candidates shortlisted will be contacted.
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Freelance

Mission freelanceExpert Réseaux & Sécurité Senior

Octopus Group
Publiée le
Cisco
F5
Fortinet

24 mois
550-760 €
Paris, France
Consultant Expert Réseaux & Sécurité SeniorContexte de la mission Dans le cadre du renforcement d'une équipe Infrastructure, nous recherchons un Expert Réseaux & Sécurité Senior capable d'intervenir sur des environnements complexes et critiques. Le consultant participera aux activités d'exploitation, d'évolution et de sécurisation des infrastructures réseau tout en accompagnant les projets techniques de l'organisation. Missions principalesAssurer l'administration et l'exploitation des infrastructures Réseaux & Sécurité. Participer aux projets d'évolution et de transformation des architectures. Réaliser les études techniques et proposer des solutions adaptées aux besoins métiers. Assurer le maintien en conditions opérationnelles et de sécurité des plateformes. Traiter les incidents complexes et assurer le support de niveau 3. Produire la documentation technique et les procédures d'exploitation. Participer aux réunions techniques et assurer le reporting des activités. Contribuer à l'amélioration continue des infrastructures et des processus. Environnement techniqueRéseauRoutage et commutation IP DNS, DHCP, NTP Radius, 802.1X Cisco ISE IPAM ProtocolesOSPF BGP MPLS QoS NAT VRF VPN L2/L3 Technologies et équipementsCisco IOS Cisco ACI Juniper MX / SRX Palo Alto Fortinet F5 Load Balancer Cisco IronPort ESA Pulse Secure / Ivanti Trellix (McAfee) CyberArk Conjur
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CDI

Offre d'emploiIT Systems Engineer

Rise Technical Recruitment Ltd
Publiée le

Reigate and Banstead, Royaume-Uni
IT Systems Engineer (Eligible for DV Clearance) Competitive Salary + Annual Bonus + Private Healthcare + Pension + Progression + Gym Membership + Full Training London We are looking for an IT Systems Engineer who is looking to work with sophisticated technology and to be a part of a business who is at the forefront of their industry. With more than five decades of experience in government and maritime mobility, the company delivers high-quality maritime technology and satellite solutions across both Geostationary and Low Earth Orbit networks, working closely with leading satellite operators and a broad ecosystem of manufacturing partners. In this role, you will work within MOD teams to ensure systems operate reliably and remain stable, with minimal direct customer interaction as most customer-facing activity is managed through the NOC across first-, second-, and third-line support. System queries and incidents are initially handled by the NOC, with your involvement focused on providing deep technical support for complex issues such as software defects, network faults, or major service incidents. You will also contribute technical expertise to projects and bid activities and support the contracts team by providing technical guidance to ensure requirements are clearly understood and accurately addressed. The ideal candidate will have strong hands-on experience with Cisco networking technologies, with additional experience in Juniper or Fortinet environments (Juniper preferred), and the ability to provide deep technical support for complex network and system issues. Eligibility for DV (Developed Vetting) security clearance is essential. Previous experience working within MOD or government environments is beneficial but not mandatory, and the role suits someone comfortable working with minimal customer interaction while collaborating closely with NOC, project, and contracts teams. We value engineers who are hands-on, detail-oriented, and comfortable working with a range of technologies and protocols across both Cisco and Juniper or Fortinet platforms. The role: IT Systems Engineer Work within MOD teams to ensure systems operate reliably, remain stable, and perform as expected Provide deep technical support for complex system issues, including software defects and network related faults Assist the contracts team by providing technical clarification to ensure contractual requirements are clearly understood and met Contribute technical expertise to projects and bid activities, supporting design and delivery Support high-severity incidents escalated from the NOC where system degradation or outrages occur The person: Strong hands on experience working with Cisco Hands-on knowledge of Fortinet or Juniper (Juniper is preferred) Cisco CCNA or equivalent experience or Juniper at a similar level Eligible for DV Clearance Reference Number: BBBH - 267464 To apply for this role or to be considered for further roles, please click "Apply Now" or contact Rise Technical Recruitment. Rise Technical Recruitment Ltd acts an employment agency for permanent roles and an employment business for temporary roles. The salary advertised is the bracket available for this position. The actual salary paid will be dependent on your level of experience, qualifications and skill set. We are an equal opportunities employer and welcome applications from all suitable candidates. Rise Technical Recruitment Ltd acts an employment agency for permanent roles and an employment business for temporary roles. The salary advertised is the bracket available for this position. The actual salary paid will be dependent on your level of experience, qualifications and skill set and will be decided by our client, the employer. Rise are not responsible or liable for any hiring decisions made by the end client. We are an equal opportunities company and welcome applications from all suitable candidates.
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