1 to 25 of 88 Network Security Engineer Jobs

Role: Network & Security Engineer Rate: Inside IR35 Location: Full time onsite in Harmondsworth, West Drayton Duration: 6-months initially The Role We are looking for Network L2 and L3 admins for one of the major airlines in the UK. This role is customer-facing and requires strong technical hands-on and good communication skills as outlined … OSI layers 1-7, with the ability to apply analytical and troubleshooting skill sets to solve complex problems across all networking disciplines * Monitor the performance and capability of the network using diversified tools. Identify the malfunctioning of hardware, software, and alerts events. * Triage or troubleshoot the issues & incident, within the defined areas. Follow Standard Operating Manuals and coordinate with … resolutions. * Develop strong relationships with the customer and all other support departments. * Experience in supporting the Cisco WLAN Controllers, SSID and Access Points * Experience on Implementing and troubleshooting Firewalls Security, VPN's, NAT policy, Software Patch management * Configuring and troubleshooting routing & switching protocols: Set up and troubleshoot protocols like OSPF, BGP, EIGRP, VLANs, STPs, VRF, MC-LAG, FHRP, DMVPN More ❯

experience with virtualization technologies such as VMware. • Experience with Red Hat. • Hands on experience with InfoVista. • Must have experience in working with two or more of the following vender network technologies: Cisco, Juniper, Palo Alto, Dell, or AppGate. • Demonstrated experience using ServiceNow. • Demonstrated experience with networking concepts and protocols: LAN, WAN, BGP, TCP/UDP, IPSec, VPN, Routing(L2 …/L3), and Firewalls. • Demonstrate experience in one or more of the following enterprise network management tools such as Palo Alto Panorama, Cisco Prime, Cisco DNA, or Junos Space. • Experience with the following protocols: SFTP, SSH, SCP, SNMP, NTP. • Must be able to work as part of a team to lead troubleshooting and resolve complex network issues. • Excellent … written and verbal communication skills. • Certified Cisco Network Professional (CCNP) or equivalent. • Demonstrated experience in Linux shell scripting. • Experience with GitLab source control and CI/CD pipeline development. • Experience using JIRA and Confluence. • Experience managing trouble tickets and escalations. • Experience with NetSecOps technologies including salt, git, Ansible, Terraform, Puppet and network element managers. • Network Performance Management More ❯

In your role you will support complex network architectures by developing, designing, configuring, and implementing detailed network engineering strategies/solutions that meet and/or exceed capability, flexibility, scalability, performance, and reliability objectives for a variety of large projects, across multiple technologies, within technical area of expertise. You will also provide technical leadership to team/vendor …/contractor resources, ensuring viability of designs, flawless execution, and seamless transition into the production environment. Responsibilities: Independently perform highly complex assignments. Network design, architecture, management, and deployment of new and existing routing and switching within campus, cloud and data center networks. Lead proper execution of network changes & updates in accordance with corporate security policies to meet … business requirements. Responsible for network performance, as well as conformance to security hardening standards and assessment of CVEs. Ability to troubleshoot network-related issues in a logical manner and complete problem resolution management. Research, recommend, and establish innovative solutions for proper capacity planning that scale with the business growth. Where possible, introduce automation for daily routine administrative More ❯

Freelance - Network Security Engineer - Brussels A client of Koda Staff's is actively looking for a Network Security Engineer to join a long term freelance project. The client would require you on site 2/3 days per week and 2/3 days remote. The key responsibilities of this project will be focused … around developing and maintaining secure network architectures (firewalls, VPNs, IDS/IPS, etc.) and also identifying and mitigating vulnerabilities through regular assessments and testing. Skills & Experience: 5+ years of experience in network or cybersecurity roles Strong expertise in network protocols, security controls, and firewall technologies (e.g., Palo Alto, Cisco ASA, Fortinet, Check Point) Familiar with SIEM … tools (e.g., Splunk, QRadar) and endpoint protection systems Understanding of secure architecture in cloud environments (AWS, Azure or GCP) Relevant certifications (e.g., CISSP, CISM, CEH, CCNP Security) are a strong asset Independent, analytical mindset with solid communication skills Languages : English & French or Dutch is an advantage If you are interested to know more, please apply or alternatively reach out More ❯

We are seeking an experienced Network and Information Security Engineer to join our team. In this role, you will be responsible for managing and configuration of network equipment (Cisco, Juniper,etc.) , and ensuring the smooth operation of our ZSTACK cloud environment. Key Responsibilities: (1) Strictly abide by the local laws, regulations and company rules and regulations … of the country or region to do the relative network maintenance or information security jobs; 1-3 years of experience in network maintenance, configuration, cyber security and information; Hardworking and quick learning. (2) Experience with the details and practical application of current data protection legislation, and possess an in-depth understanding of the GDPR. (3) Following … the guidance of CTG HQ network and information security department to do the relative jobs, reports, support internal and external networks, including VPN setup, DNS management, AP management, firewall configuration, WAF (e.g. Akaimai),SIEM(e.g. IBM QRada),etc. (4) Familiar with IP network, familiar with Cisco and Juniper, etc. equipment’s maintenance and configuration. (5) Experience with More ❯

We are seeking an experienced Network and Information Security Engineer to join our team. In this role, you will be responsible for managing and configuration of network equipment (Cisco, Juniper,etc.) , and ensuring the smooth operation of our ZSTACK cloud environment. Key Responsibilities: (1) Strictly abide by the local laws, regulations and company rules and regulations … of the country or region to do the relative network maintenance or information security jobs; 1-3 years of experience in network maintenance, configuration, cyber security and information; Hardworking and quick learning. (2) Experience with the details and practical application of current data protection legislation, and possess an in-depth understanding of the GDPR. (3) Following … the guidance of CTG HQ network and information security department to do the relative jobs, reports, support internal and external networks, including VPN setup, DNS management, AP management, firewall configuration, WAF (e.g. Akaimai),SIEM(e.g. IBM QRada),etc. (4) Familiar with IP network, familiar with Cisco and Juniper, etc. equipment’s maintenance and configuration. (5) Experience with More ❯

Job Overview: As a Network Security Engineering team member, the Senior Network Security Engineer will specialise in firewalls and routing. The ideal candidate is a flexible, self-motivated individual who excels at multitasking and thrives in a fast-paced, challenging environment. This self-starter will bring ingenuity and expertise to design, implement, and maintain secure … scalable, high-performing network solutions that connect on-premises and public cloud environments. The role emphasizes driving automation through Infrastructure-as-Code (IaC) and GitOps methodologies, ensuring optimal network performance, and integrating robust security measures. Responsibilities: Network Design and Implementation: Design and implement secure, scalable, and high-performing network solutions bridging on-premises and public … cloud environments. Leverage routing and switching expertise (e.g., BGP, OSPF, MPLS) to ensure network performance and reliability across diverse environments. Analyze operational needs and proactively develop creative network solutions to address security challenges. Security and Firewall Management: Manage firewall configurations for the CyberEnergianetwork based on operational requirements. Develop and implement network security tools, produce More ❯

Our client is looking for a Network Security Engineer to work fully on site in Mons on an initial 12 month contract with a view for further extensions. Please note this is a freelance/contract position and a valid UK SC/NATO clearance is required before starting the position. Key responsibilities: Manage the client solution … presence at the client location between 8 am and 6 pm from Monday to Friday; during nights and weekend, participate in an on-call duty rotation (every 3 weeks) engineer should be living in or close to Mons) Provide Level 2 support on the incident and problems as per agreed Service Level Agreement Liaise with Level 3 support teams … client's professionals and Level 3 support of various suppliers Prepare & manage service related documentation. Advice, Build, Troubleshoot and Maintain solutions using Citrix NetScaler technology Troubleshoot and Maintain basic network infrastructure based on Cisco technology Qualifications/skills NATO Security Clearance A valid work and residence permit for the EU A can-do attitude, must be eager to More ❯

needs and an appropriate technology strategy to support business goals. - Analyse technical needs and requirements from the business to provide technical expertise. - Constant review of existing state of the network's infrastructure and propose new designs/solution for business continuity. Integrate those solutions after being approved by the business. - Aid with the resolution of incidents and problems including … VPN (IPSec, IKE) technologies. Strong understanding and hands-on experience on firewall vendors, ideally Check Point and Fortinet. Knowledge about Load Balancing, ideally F5 vendor. Familiar with any other Security Solutions e.g. IPS, Web Proxies, EDR Strong troubleshooting skills. Be able to work in high-pressure, fast-paced and multi-tech environments. Experience designing network and security solutions. Familiar with HLD (High Level Design) and LLD (Low Level Design) workflows. Documentation. Familiar with Network Monitoring Systems (NMS). Besides the above, candidate would need: Good communication skills. Willingness to learn new technologies. Willingness to travel abroad if the business requires it (sporadically) Availability for on-call Self-managing and self-directing Team player Experience in More ❯

Job Title: Firewall Engineer - Network Security Specialist Location: Leeds Type: Full-Time | Reports To: Network Operations Manager/Head of Managed Services Salary: £45,000 Shift Pattern: Rotating shifts or business hours (based on operational needs) About Us We are a leading cybersecurity reseller and MSP delivering end-to-end security solutions. Our expert team … powers proactive monitoring, management, and incident response to safeguard clients' networks, apps, and infrastructure. As our managed firewall and NOC services expand, we need a skilled NOC/Firewall Engineer with hands-on expertise in Check Point, Fortinet, or Palo Alto Networks to ensure secure, seamless network connectivity. The Role You will be the frontline technical expert in … our 24/7 Network Operations Center, owning the daily monitoring, configuration, troubleshooting, and incident resolution of client firewalls and network security infrastructure. This hands-on position demands sharp technical skills and the ability to thrive in a fast-paced, client-focused environment. What You'll Do Manage & Monitor: Operate client firewalls, VPNs, and network devices More ❯

We are searching for an experienced IT Network Engineer to be responsible for ensuring IT networks and communications are well designed, secure, optimal and function consistently across all internal and external operations. The role is offered on a hybrid basis, 3-days in the office and 2-days from home, once probation has been successfully passed. You will … and efficient IT networks and application systems to promote the use of technology throughout the business. In this role you will be responsible for the following: Designing and deploying network services in line with design and security policies. Monitoring and administering the installation and integration of corporate network communications, including routers, switches, firewalls, DMZ, servers, telephony and … the IP space across the organisation ensuring VLANs, IP Subnet, DNS, DHCP, VPNs, and VoIP traffic is well designed, secure and optimised. Ensuring best practices are used for protecting network security. Planning lifecycle renewals, 'hotswap' procedures and emergency hardware failure protocols. Providing regular service status updates to line management and agree and monitor service availability targets. Ensuring the active More ❯

Job Title: Senior Network Engineer Delivery & Migrations Location: England (Home based with client visits across England). Salary: Up to £55,000 basic salary plus great benefits package Sector: Consultancy/Solution Provider The Company Our client is a professional services consultancy who specialise in providing businesses with software defined solutions, network assurance, network automation and … interesting projects in both the public and private sectors. Technology Partners Cisco/Meraki VM Ware Palo Alto Fortinet Juniper Aruba/HPE Microsoft AWS Role Snapshot As Senior Network Security Engineer you be an integral member of the delivery and migrations team. The role will entail assisting with migrations, day-to-day delivery tasks and providing … looking to take a step up from a BAU role, with the ambition to widen their remit in projects and delivery. Key Responsibilities Assisting with delivery and migration of network, data centre and security solutions. Provide exceptional customer services. Contribute to knowledge centre and keep documentation up to date. Be willing to work in a vendor agnostic environment More ❯

We are searching for an experienced IT Network Engineer to be responsible for ensuring IT networks and communications are well designed, secure, optimal and function consistently across all internal and external operations. The role is offered on a hybrid basis, 3-days in the office and 2-days from home, once probation has been successfully passed. You will … and efficient IT networks and application systems to promote the use of technology throughout the business. In this role you will be responsible for the following: Designing and deploying network services in line with design and security policies. Monitoring and administering the installation and integration of corporate network communications, including routers, switches, firewalls, DMZ, servers, telephony and … the IP space across the organisation ensuring VLANs, IP Subnet, DNS, DHCP, VPNs, and VoIP traffic is well designed, secure and optimised. Ensuring best practices are used for protecting network security. Planning lifecycle renewals, "hotswap" procedures and emergency hardware failure protocols. Providing regular service status updates to line management and agree and monitor service availability targets. Ensuring the active More ❯

and resilient technology solutions. Our team builds and maintains robust infrastructure that safeguards OpenAI's data and systems while ensuring employees are well-equipped and seamlessly connected. By prioritizing security, reliability, and user-centric solutions, we empower OpenAI employees to drive impactful AI research, corporate operations, and product innovation. About the Role As a Network Security Engineer at OpenAI, you will play a critical role in architecting and maintaining both campus and cloud network infrastructure. You will design and implement secure, scalable, and high-performing network solutions that bridge on-premises environments with public cloud environments. Your expertise in routing and switching will ensure optimal network performance and reliability across diverse environments. You … will drive automation initiatives through Infrastructure-as-Code (IaC) and GitOps methodologies, streamlining network provisioning, enforcing configuration consistency, and optimizing IT workflows. Your responsibilities will also include developing CI/CD pipelines tailored for IT infrastructure, enhancing deployment efficiency, and integrating robust network security measures. You will establish comprehensive observability and proactive issue resolution strategies. We are More ❯

Nexeo is currently looking for a Network Security Engineer Nexeo Belgium is a consultancy company supporting clients in banking, finance, and insurance through transformation projects, from business consulting to IT implementation. As a consultant, you will be part of Nexeo: International environment (Offices in France, Belgium, Luxembourg, Switzerland & Canada) 450+ employees Over 20% growth each year Network Security Engineer - Main Responsibilities: Manage security infrastructure, including Firewalls, Load Balancers, VPNs, and Reverse Proxy systems. Collaborate with stakeholders to define security requirements and ensure system readiness. Perform impact analyses and refine technical, business, and regulatory requirements. Lead security-related projects, such as the deployment of a new Proxy Infrastructure. Work closely with the … IT team, documenting solutions and participating in Agile processes. Provide third-line support for security issues and ensure timely resolution. Write and manage RFPs for security hardware solutions. Profile: Civil/Industrial Engineer or Master's degree. 5+ years of experience in security network engineering, with expertise in F5 WAF, Load Balancers, and Reverse Proxy. More ❯

Network Security Engineer Location: London (Moorgate) | 4 Days Onsite Salary: Competitive + Excellent Benefits A global energy and commodities business is seeking a Network Security Engineer to join their London-based team. This is an exciting opportunity to work in a technically complex, security-driven environment supporting a wide range of infrastructure and … network technologies. Key Responsibilities: Manage and maintain Checkpoint firewalls and Cisco network infrastructure Support Cisco ISE solutions Manage Data Centre colocation and vendor relationships Contribute to IT security prevention and awareness initiatives Essential Experience: Deep technical knowledge of Checkpoint firewalls, Cisco routers/switches, and Cisco ISE Experience with Zscaler (ZIA/ZPA), Splunk Strong understanding of … IT security practices Cisco CCNA/CCNP certification or equivalent Desirable Experience: Background in supporting Windows Server, Linux, Active Directory, and Exchange Familiarity with VMware, VxRail, Rubrik, and backup/recovery processes Exposure to CUCM, LogicMonitor, Mimecast, Okta, and other security tools Benefits Package Includes: Competitive salary (up to £72,000 depending on experience) 10% employer pension contribution More ❯

Mid-Level Network Security Engineer Location: London (Moorgate) | 4 Days Onsite Per Week Salary: Competitive + Excellent Benefits A global energy and commodities business is seeking a Network Security Engineer to join their London-based team. This is an exciting opportunity to work in a technically complex, security-driven environment supporting a wide … range of infrastructure and network technologies. Key Responsibilities: Manage and maintain Checkpoint firewalls and Cisco network infrastructure Support Cisco ISE and Zscaler Internet/Private Access solutions Manage Data Centre colocation and vendor relationships Contribute to IT security prevention and awareness initiatives Essential Experience: Deep technical knowledge of Checkpoint firewalls, Cisco routers/switches, and Cisco ISE … Experience with Zscaler (ZIA/ZPA), Splunk Strong understanding of IT security practices Cisco CCNA/CCNP certification or equivalent Desirable Experience: Background in supporting Windows Server, Linux, Active Directory, and Exchange Familiarity with VMware, VxRail, Rubrik, and backup/recovery processes Exposure to CUCM, LogicMonitor, Mimecast, Okta, and other security tools Benefits Package Includes: Competitive salary (up More ❯

A leading independent logistics provider is seeking a Network Security Engineer with expertise in Cisco DNA and Cisco Firepower to join its team. This role is 80% focused on network security, encompassing both project work and business-as-usual (BAU) operations to maintain a secure and efficient network infrastructure. Hybrid work model - work from … home with 2 days per month in Dartford. Ready to take on a key role in securing a dynamic network environment? Apply now and be part of a team driving innovation in logistics technology! Responsibilities Deploy, maintain, and optimize network and security platforms, including routers, switches, firewalls, IDS/IPS, and cloud technologies. Manage Cisco-based network security, including firewalls, VPNs, and NAC. Monitor network traffic, troubleshoot issues, and improve efficiency. Implement and manage secure remote access and VPN solutions. Oversee PKI management, certificate issuance, and revocation. Recommend and deploy network/security enhancements. Develop technical specifications, rollout plans, and provide BAU support. Collaborate with IT and cybersecurity teams and work with More ❯

successes like the Raspberry Pi. Additionally, we host a Sony customer service and solutions centre, a business incubation centre, and more. Role Overview: We are looking to strengthen our network team with a focus on security. The Network Security Engineer will be essential in safeguarding and improving our factory's network infrastructure. Responsibilities include designing … implementing, and maintaining secure, efficient networks to meet operational needs, ensuring system reliability, optimizing performance, and proactively addressing vulnerabilities. The role involves collaboration with internal teams to ensure the network is robust, secure, and compliant with high security standards, implementing best practices and advanced security protocols to protect critical network systems. Key Responsibilities: Network Security: Implement and maintain security policies for our network infrastructure. Network Monitoring and Maintenance: Monitor performance, resolve issues, conduct audits, and update Cisco equipment. Network Optimisation: Plan and deploy capacity upgrades supporting business growth and performance. Research and Development: Recommend and integrate new network technologies to enhance security and efficiency. Collaboration and Communication: Work More ❯

NETWORK SECURITY ENGINEER: Expert Level Location: Chantilly, VA US Security Clearance Requirement: TS/SCI with Full Scope Polygraph Clearance Status: Must be Current JOB DESCRIPTION: If you are looking for a position that is different from your normal network/cyber security position, please keep reading. We are looking for Network Security Engineers who are familiar with both network defense and offensive techniques to support ongoing operations and secure our customers' networks. You will be assisting Penetration Testers with analysis of edge network devices to include vulnerability analysis and exploitation. We are looking for Network Security Engineers with a blend of network infrastructure management and familiarity … with network penetration testing and offensive security. Candidates should have a minimum of 7+ years of experience as a Network Engineer, System Engineer or in the Cyber Security field as a hands-on penetration tester. Candidates with fewer years of experience will be considered on a case-by-case basis, depending on technical skill level. More ❯

Job Title: Network & Security Engineer (12-Month Contract) Location: Stockley Park (Hybrid) Contract Length: 12 Months Positions Available: Between 10 and 20 Client: Leading Retail Company Alchemy Recruitment is proud to partner with a renowned retail organisation undergoing significant digital transformation. As part of this initiative, we are seeking 10-20 experienced Network & Security Engineers … to join their team on a 12-month contract basis . Role Overview: As a Network & Security Engineer, you will play a critical role in maintaining and enhancing the security and reliability of the organisation’s network infrastructure. You’ll be working in a fast-paced environment, supporting large-scale retail operations and contributing to … strategic technology initiatives. Key Responsibilities: Design, implement, and maintain secure network solutions (LAN/WAN, VPNs, firewalls, etc.) Monitor network performance and security systems to detect and respond to threats Support incident response efforts and troubleshoot complex network/security issues Collaborate with IT teams to ensure compliance with security policies and standards Contribute More ❯

Job Title: Network & Security Engineer (12-Month Contract) Location: Stockley Park (Hybrid) Contract Length: 12 Months Positions Available: Between 10 and 20 Client: Leading Retail Company Alchemy Recruitment is proud to partner with a renowned retail organisation undergoing significant digital transformation. As part of this initiative, we are seeking 10-20 experienced Network & Security Engineers … to join their team on a 12-month contract basis. Role Overview: As a Network & Security Engineer, you will play a critical role in maintaining and enhancing the security and reliability of the organisation’s network infrastructure. You’ll be working in a fast-paced environment, supporting large-scale retail operations and contributing to strategic … technology initiatives. Key Responsibilities: Design, implement, and maintain secure network solutions (LAN/WAN, VPNs, firewalls, etc.) Monitor network performance and security systems to detect and respond to threats Support incident response efforts and troubleshoot complex network/security issues Collaborate with IT teams to ensure compliance with security policies and standards Contribute to More ❯

Senior Network Engineer with Security and Cisco - City London Our Client urgently requires a Senior Network Engineer with heavy background in Network Security on Cisco and Microsoft. The security and support of the company's network is paramount. Predominately a support role (BAU) with design of scalable solutions deliverable through projects. … solutions from perimeter to DMZ roles -Support IPS deployment for Europeanbranches -Develop, maintain and deliver global standards to all networking devices -Remediate Penetration Test results -Ensure seamless migration of network estate to newly adopted security framework General Skills -Experience working within mission-critical environments -Experience in operational deployments -Datacentre cabling and racking of equipment Technical Skills you need … multi-layer switches and routers, including 6500s -CISCO certification, ideally CCNP -CISCO CSM -VLAN segregation -McAfee HIPS, Trend Micro -Centralised authentication service (AAA) -SafeNet Ethernet Encryptor -RADIUS/RSA -Security certification (advantageous) You will also need to an understanding of the following technologies: VLAN segregation. DMZ. VSS. Failover. OSPF. High availability. CISCO. Palo Alto. Juniper. McAfee IPS. SafeNet. Tripwire. More ❯

range of innovative dual clutch hybrid and conventional transmissions, designed to be affordable and deliver superior driving performance, fuel efficiency, and reduced CO2 emissions. We are currently seeking motivated Network & Security Engineer (m/f) to join our team. By joining us, you'll be part of a leading company that is shaping the future of hybrid … transmission technology. Job description As a Network & Security Engineer within the IT Infrastructure & Support Department, you will play a crucial role in ensuring the stability, security, and performance of our network and IT ecosystem. You will work closely with a team of System and Support Engineers. This role is responsible for managing multiple production plants … operating 24/7.Additionally, you will actively contribute to the network security strategies and roadmap in collaboration with the IT Security Officer and help achieve the required business certifications. Responsibilities Network Management & Security : Responsible for the configuration, management, and security of networks across multiple production plants using technologies such as Checkpoint Firewalls , Juniper and More ❯

IT Network Security Engineer Location: Exeter Work Arrangement: In office during probation, 3 days per week in office thereafter Salary: £36.5k I am working with a manufacturing and commerce client based in Exeter. They are looking for a network security engineer to join their IT team. Ideally, you will have some or all of … and systems. You will be responsible for ensuring that networks and communications are optimized and that they function consistently, both internally and externally. Responsibilities: Design and deploy company's network services securely. Monitoring and administration of installations, integration of network communications including routers, switches, firewalls, DMZ, servers, telephony, LAN/WAN. Manage IP subnet, VLANs, DNS, DHCP, VPNs … VoIP traffic. Protect network security. Ensure failure protocols are in place. Stakeholder communication. Ensure connectivity is balanced and sufficient with a failover plan in place. General activities such as administration, asset management, documentation, hardware builds and deployment, technical support of hardware infrastructure. Train end users in safe use of IT infrastructure, and update relevant technical documentation. Skills and Experience More ❯