in a global and enterprise network environment. * Experience on Implementing and troubleshooting Internal and External DNS, IPAM, DHCP for IP management. * Experience in Implementing and troubleshooting F5 LTM administration, SSL Certificate renewal, iRules creation, Software Upgrade & Patching * Proactive Analysis: Review and analyse the DATA from Network Monitoring Tools to identify the best course of action to avert potential crises. * Test More ❯
IP stack, DHCP and DNS, the 802.11 protocol stack and routing protocols such as OSPF and BGP. Demonstrable troubleshooting experience including packet capture and analysis. Knowledge of IPSec and SSL VPNs on Fortigate and Juniper firewalls. Experience with firewall configuration including UTM and firewall rules. Relevant higher education and professional certifications such as CWAP, Fortigate NEC4, CCNA, JNCIA, JCNIS-ENT. More ❯
administration and web application deployment Strong hands-on experience with PowerShell scripting for automation Proven experience with IIS configuration: setting up websites, application pools, bindings, and implementing security measures (SSL/TLS, access controls) Familiarity with Azure DevOps, CI/CD pipelines, and infrastructure-as-code Experience deploying artefacts to IIS and managing end-to-end automation pipelines An Agile More ❯
metrics. Experience of Release and Deployment Tooling (Azure DevOps). Experience of scripting and automation (Terraform, PowerShell). Experience adhering to security standards and securing systems (ISO27001, PCI-DSS, SSL & encryption, WAF & attack protection). Experience of ITIL operational support working practices. Understanding of QA test and Development coding practices. Benefits As an equal opportunity employer, we are committed to More ❯
metrics. Experience of Release and Deployment Tooling (Azure DevOps). Experience of scripting and automation (Terraform, PowerShell). Experience adhering to security standards and securing systems (ISO27001, PCI-DSS, SSL & encryption, WAF & attack protection). Experience of ITIL operational support working practices. Understanding of QA test and Development coding practices. To find out more As an equal opportunity employer, we More ❯
programming/DNS/IPv4 and v6, etc. Telephony Services & Systems Firewalls & Web Filters Windows Desktops/Microsoft Office Business critical corporate databases management and housekeeping. E.g. SQL server. SSL/Certificate Services How Identified : Application Desirable Criteria Ability to support the following technologies to 2nd line: - Virtual Server Environment Virtual Desktop Environment Thin client deployment Network Storage solutions Safeguarding More ❯
London, England, United Kingdom Hybrid / WFH Options
Eteam Workforce Limited
and Digicert PKI solutions. Strong understanding of PKI concepts, digital certificates, encryption algorithms, and key management practices. Experience in M&A projects. Knowledge of security protocols and standards (eg, SSL, TLS, S/MIME). Excellent problem-solving and troubleshooting skills. Strong communication and collaboration skills. Preferred Qualifications: Experience with cloud-based PKI solutions (ideally Digicert One) Knowledge of Scripting More ❯
South Croydon, London, United Kingdom Hybrid / WFH Options
LA International Computer Consultants Ltd
operating systems, local area networks etc.) and application architectures. Understanding of network protocols, ports, and services Understanding of encryption algorithms AES, RSA etc Knowledge of Public Key Infrastructure (PKI), SSL/TLS certificates Basics of SIEM Basics of OS Patching Due to the nature and urgency of this post, candidates holding or who have held high level security clearance in More ❯
Belfast, County Antrim, Northern Ireland, United Kingdom
LA International Computer Consultants Ltd
operating systems, local area networks etc.) and application architectures. * Understanding of network protocols, ports, and services * Understanding of encryption algorithms AES, RSA etc * Knowledge of Public Key Infrastructure (PKI), SSL/TLS certificates * Basics of SIEM * Basics of OS Patching Due to the nature and urgency of this post, candidates holding or who have held high level security clearance in More ❯
Python, or VBScript for automation and customization In-depth knowledge of file transfer protocols: FTP, SFTP, FTPS, AS2, HTTP/S Familiarity with security concepts including encryption, digital certificates, SSL/TLS, and access controls Experience integrating file transfer systems with enterprise applications, databases, and cloud services (AWS, Azure) Strong troubleshooting and problem-solving skills Excellent communication skills and ability More ❯
experience in network security engineering - Strong expertise in Cisco networking technologies, including Cisco ASA, Firepower, and ISE - Experience with network security protocols and tools, such as VLANs, IPSec, and SSL VPN - Certifications such as CCNA Security, CCNP Security, or CISSP are a plus - Excellent communication and problem-solving skills - Ability to work effectively in a fast-paced, collaborative environment - Strong More ❯
London, England, United Kingdom Hybrid / WFH Options
Verifysoft Technology GmbH
languages: Objective-C, Swift, C++, C Platforms/Runtimes: macOS Technologies: Xcode, XPC Services, Apple Frameworks, C++ standard libraries, SQL, Networking (using both macOS and nix APIs), TLS/SSL, bash JSON/XML Unit testing & automation testing These are an added plus: Objective-C/Swift Framework design & development MDM profiles Faceless background processes (daemons & services) SwiftUI development C++ More ❯
be required when business needs change. Furthermore, whilst not essential, in addition to the Essential skills it would be desirable to have knowledge and experience of the following technologies; SSL certificate management Vulnerability management SIEM experience (Ideally MS Sentinel) Infrastructure As Code (Ideally Terraform and Ansible) Powershell SQL Cisco Umbrella Nutanix Hyperconverged Infrastructure support Netapp Support Knowledge of and/ More ❯
London, England, United Kingdom Hybrid / WFH Options
London & Country Mortgages
be required when business needs change. Furthermore, whilst not essential, in addition to the Essential skills it would be desirable to have knowledge and experience of the following technologies; SSL certificate management Vulnerability management SIEM experience (Ideally MS Sentinel) Infrastructure As Code (Ideally Terraform and Ansible) Powershell SQL Cisco Umbrella Nutanix Hyperconverged Infrastructure support Netapp Support Knowledge of and/ More ❯
Bath, Somerset, South West, United Kingdom Hybrid / WFH Options
London & Country Mortgages
be required when business needs change. Furthermore, whilst not essential, in addition to the Essential skills it would be desirable to have knowledge and experience of the following technologies; SSL certificate management Vulnerability management SIEM experience (Ideally MS Sentinel) Infrastructure As Code (Ideally Terraform and Ansible) Powershell SQL Cisco Umbrella Nutanix Hyperconverged Infrastructure support Netapp Support Knowledge of and/ More ❯
Level Design (LLD) and operational run books based on the level 1 architecture design. Expert level knowledge on Network Protocols, Remote Connectivity, Threat Prevention, Sandbox, DDoS, URL Filtering, and SSL decryption. Participate in troubleshooting design level issues. Assess, monitor, and recommend improvements to the global network security architecture to improve security posture, mitigate risks, and balance costs. Apply skills to More ❯
City of London, England, United Kingdom Hybrid / WFH Options
Arthur J. Gallagher & Co
Level Design (LLD) and operational run books based on the level 1 architecture design. Expert level knowledge on Network Protocols, Remote Connectivity, Threat Prevention, Sandbox, DDoS, URL Filtering, and SSL decryption. Participate in troubleshooting design level issues. Assess, monitor, and recommend improvements to the global network security architecture to improve security posture, mitigate risks, and balance costs. Apply skills to More ❯
services raising YBS IT/vendor support tickets, coordinating troubleshooting calls and remediating in a timely manner. You'll coordinate and deploy/apply version upgrades, patches, hot-fixes, SSL certificates, APIs, product enhancements, connectors etc. and lead on associated UAT. You'll also lead on software deployment and decommissioning activities. You will be required to apply and maintain data … software and licenses (desirable skills/knowledge inc. basic Linux commands, Apache Tomcat, windows scripting i.e. bat files) Application of software version upgrades, product enhancements, connectors, patches, hot-fixes, SSL certificates, APIs etc. Erwin data intelligence and data modeler. SAP business Objects. Deployment of on-prem and cloud based software A good understanding of visualisation tools such as Power BI More ❯
a complex environment. Strong foundation in network security and common attack methodologies Exposure to user behaviour analytical tools is preferable Good understanding of common protocols such as HTTP, SMTP, SSL/TLS, SSH, DNS Must demonstrate strong analytical and problem-solving skills to enable effective security incident and problem resolution Knowledge of latest threat trends and security landscape Pre-requisites More ❯
a complex environment. Strong foundation in network security and common attack methodologies Exposure to user behaviour analytical tools is preferable Good understanding of common protocols such as HTTP, SMTP, SSL/TLS, SSH, DNS Must demonstrate strong analytical and problem-solving skills to enable effective security incident and problem resolution Knowledge of latest threat trends and security landscape Pre-requisites More ❯