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 ❯
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 ❯
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 ❯
interaction with amazing demo skills. Continuous Integration (CI) tools like Jenkins, GitHub Actions, TeamCity, or Azure DevOps. A deeper understanding of networking and security protocols (e.g., TCP/IP, SSL, VPNs, or firewalls). Speaking multiple languages: We are actively looking for French and Spanish speaking candidates Work From Anywhere: Our Remote-First Philosophy BrowserStack is a remote-first company. More ❯
City of London, London, United Kingdom Hybrid / WFH Options
BrowserStack
interaction with amazing demo skills. Continuous Integration (CI) tools like Jenkins, GitHub Actions, TeamCity, or Azure DevOps. A deeper understanding of networking and security protocols (e.g., TCP/IP, SSL, VPNs, or firewalls). Speaking multiple languages: We are actively looking for French and Spanish speaking candidates Work From Anywhere: Our Remote-First Philosophy BrowserStack is a remote-first company. More ❯
South East London, England, United Kingdom Hybrid / WFH Options
BrowserStack
interaction with amazing demo skills. Continuous Integration (CI) tools like Jenkins, GitHub Actions, TeamCity, or Azure DevOps. A deeper understanding of networking and security protocols (e.g., TCP/IP, SSL, VPNs, or firewalls). Speaking multiple languages: We are actively looking for French and Spanish speaking candidates Work From Anywhere: Our Remote-First Philosophy BrowserStack is a remote-first company. 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 ❯
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 ❯
for automation and customization tasks. In-depth knowledge of file transfer protocols like FTP, SFTP, FTPS, AS2, and HTTP/S. Familiarity with security concepts, including encryption, digital certificates, SSL/TLS, and access controls. Experience in integrating file transfer systems with enterprise applications, databases, and cloud services (AWS, Azure). Strong troubleshooting and problem-solving skills to identify and More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Tata Consultancy Services
for automation and customization tasks. In-depth knowledge of file transfer protocols like FTP, SFTP, FTPS, AS2, and HTTP/S. Familiarity with security concepts, including encryption, digital certificates, SSL/TLS, and access controls. Experience in integrating file transfer systems with enterprise applications, databases, and cloud services (AWS, Azure). Strong troubleshooting and problem-solving skills to identify and More ❯
BGP, EIGRP, VLANs, STP, FHRP, DMVPN, VRF, etc. Support LAN/WAN/SD-WAN networks in a global enterprise environment DNS, DHCP, and IPAM implementation and troubleshooting Manage SSL certificate renewals, F5 LTM (load balancing), and related iRules Conduct root cause analysis and proactive monitoring using tools like SolarWinds, CA Spectrum, and others Manage major incidents and vendor relationships More ❯
performance tools, Core commands, security etc. Experience on supporting three tier architecture which includes exposure to databases such IBM DB2, Couchbase, Mongo, Redis etc. Certificate Management automation - Message signing, SSL, etc. Exposure to ITIL processes is preferred On call/24 7 support required Exposure to enterprise platform migration from dedicated to cloud environment is preferred We back you with More ❯
Package, unpackage, and install software, including database setups (MySQL/MariaDB). Backup Management - Understand backup processes and execute via shell scripts or command-line tools. Security & Authentication - Configure SSL, Java Keystores, LDAP, and SSO brokers (e.g., Keycloak). Platform Administration - Oversee the system's health and performance, learning infrastructure processes to ensure operational stability. Troubleshooting & Autonomy - Diagnose and resolve … AWS or Azure cloud environments. Familiarity with database management (MySQL/MariaDB). Understanding of backup strategies and ability to integrate backup processes into scripts. Knowledge of security protocols (SSL, Java Keystores, LDAP, SSO). Proactive problem-solver who can work autonomously and troubleshoot effectively. ServiceNow platform experience (desirable but not essential). This role offers the opportunity to support More ❯
knowledge of supporting a datacentre with branch interconnectivity (LES circuits) -CISCO certification, required CCNA -VPN technologies (IPSEC) -Security certification (advantageous) Technologies Layer 2 Switching, Layer 3 Routing, VPN IPSEC & SSL, TACACS, RADIUS, NAT/PAT, VSS. High availability, including failover technologies and first hop redundancy protocols. Simply this is a 1 st, 2 nd and 3 rd Line Network Support More ❯
knowledge of supporting a datacentre with branch interconnectivity (LES circuits) -CISCO certification, required CCNA -VPN technologies (IPSEC) -Security certification (advantageous) Technologies Layer 2 Switching, Layer 3 Routing, VPN IPSEC & SSL, TACACS, RADIUS, NAT/PAT, VSS. High availability, including failover technologies and first hop redundancy protocols. The Client is based in the City in London close to Liverpool Street. Salary More ❯
understand what kinds of applications may favour one over the other; Can explain the difference between authoritative DNS & recursive DNS? You understand the role of a firewall, why TLS (SSL) plays an increasingly important role on today's Internet, a solid understanding of HTTP and a willingness to dive deeper into the quirks of clients & servers alike; Understanding of how More ❯
to Red Team and social engineering operations. Support junior team members and engage in knowledge sharing. Key Skills & Experience: 3-5 years' penetration testing experience. Strong understanding of OWASP, SSL/TLS, SSH, and HTTP. Comfortable conducting black box, grey box, and white box testing. Familiar with tools like Kali, Burp Suite, Metasploit, Nmap, Nessus, and Qualys. Knowledge of AWS More ❯
City of London, London, Grange, United Kingdom Hybrid / WFH Options
Applause IT Recruitment Ltd
to Red Team and social engineering operations. Support junior team members and engage in knowledge sharing. Key Skills & Experience: 3-5 years' penetration testing experience. Strong understanding of OWASP, SSL/TLS, SSH, and HTTP. Comfortable conducting black box, grey box, and white box testing. Familiar with tools like Kali, Burp Suite, Metasploit, Nmap, Nessus, and Qualys. Knowledge of AWS More ❯
cloud proxy (Netskope) to an on-premise proxy solution. Designing and implementing proxy policies that ensure secure, scalable, and efficient traffic control. Configuring and managing advanced features such as SSL inspection, re-termination, web sockets, and custom policy creation. Ensuring granular control over web traffic and enforcing enterprise security standards. Providing strategic guidance on multi-product proxy environments, identifying potential … premise solutions, especially large-scale migration projects involving critical infrastructure. Strong understanding of multi-product environments in the proxy/security space. Expertise in configuring and managing web sockets, SSL inspection, and policy creation. Hands-on experience with traffic re-termination, deep packet inspection, and encrypted traffic analysis. Familiarity with automation tools and frameworks (e.g., Ansible, Terraform, Python scripting). More ❯
