Redis, Varnish Logstash & Elasticsearch Networking (switching, routing, firewalls, IDS/IPS, VPN, load balancing, DNS, Cisco, F5, Akamai) Multi cloud setup - AWS, Digital Ocean, Rackspace, Linode etc DNS, NTP, SMTP, Jenkins A solid background in Linux System Administration Functions and responsibilities This is a dynamic and varied role, which includes things like: Build, deployment and maintenance of new and existing More ❯
Redis, Varnish • Logstash & Elasticsearch • Networking (switching, routing, firewalls, IDS/IPS, VPN, load balancing, DNS, Cisco, F5, Akamai) • Multi cloud setup - AWS, Digital Ocean, Rackspace, Linode etc • DNS, NTP, SMTP, Jenkins • A solid background in Linux System Administration Functions and responsibilities This is a dynamic and varied role, which includes things like: • Build, deployment and maintenance of new and existing More ❯
Experience, Linux/Windows server environment. PHP, Perl, MySQL skills. Network Knowledge, TCP/IP, Data Transmission, L2/L3 VPN, Multi-Layer Networking. ISP related server application. I.E. SMTP, DNS, HTTP, Radius, SNMP Monitoring & Traffic Management. Experience in monitoring applications such as icinga, nagios, solarwinds and others (opmanager) Facility Management, Network Cabling, Equipment Installation. Knowledge and proficiency in Excel More ❯
Applications. Knowledge of IT Security standard methodologies. Demonstrable understanding of the OSI Reference Model and the network communication protocols, including but not limited to DNS, HTTP/S, SSL, SMTP, FTP/S, LDAP/S. Demonstrable experience with Security Information Event Monitoring Tools and/or Network Packet Capture tools. Hands on experience with IDS/IPS technologies and More ❯
Applications. Knowledge of IT Security standard methodologies. Demonstrable understanding of the OSI Reference Model and the network communication protocols, including but not limited to DNS, HTTP/S, SSL, SMTP, FTP/S, LDAP/S. Demonstrable experience with Security Information Event Monitoring Tools and/or Network Packet Capture tools. Hands on experience with IDS/IPS technologies and More ❯
Applications. Knowledge of IT Security standard methodologies. Demonstrable understanding of the OSI Reference Model and the network communication protocols, including but not limited to DNS, HTTP/S, SSL, SMTP, FTP/S, LDAP/S. Demonstrable experience with Security Information Event Monitoring Tools and/or Network Packet Capture tools. Hands on experience with IDS/IPS technologies and More ❯
SharePoint Online technologies, Microsoft Azure and Entra technologies,configurationand administration, especially for Microsoft Entra ID, Workload ID Management, Permission Management, Working knowledge of TCP/IP, DNS, Active Directory, SMTP, and DHCP technologies Working knowledge of Data Backup concepts, migration topics, adoption and governance strategies Understanding of Microsoft SharePoint architecture, components, and configuration, including the differences between SharePoint versions, hybrid More ❯
languages are a plus. Exposure to at least two of the following skill sets are recommended Enterprise email solutions such as Exchange, O365, G-Suite, Lotus Dominoorworking knowledge of SMTP IT security related areas such as Vulnerability and Risk Management, Security Operations or Incident Response Data Loss Prevention (DLP), compliance and data privacy Cloud security and shadow IT monitoring Cloud More ❯
Network Security, Infrastructure, Operating Systems, and Applications. Proficient in IT Security best practices. Strong understanding of the OSI Reference Model and network communication protocols (DNS, HTTP/S, SSL, SMTP, FTP/S, LDAP/S). Knowledgeable in Defensive Cyber-attack methodologies and frameworks. Understanding of Malware capabilities, attack vectors, propagation, and impact. Excellent communication skills for liaising with More ❯
Employment Type: Contract
Rate: £45.00 - £85.00/hour In IR35 (PAYE & Umbrella) available
Applications Knowledge of IT Security standard methodologies Demonstrable understanding of the OSI Reference Model and the network communication protocols, including but not limited to DNS, HTTP/S, SSL, SMTP, FTP/S, LDAP/S. Demonstrable experience with Security Information Event Monitoring Tools and/or Network Packet Capture tools Hands-on experience with IDS/IPS technologies and More ❯
such as Ansible and Terraform Strong working knowledge of networking, packet tracing, understanding latency and throughput in order to pinpoint or resolve application issues. Thorough knowledge of HTTP(S), SMTP, TLS/SSL, DNS, LDAP, Kubernetes and Docker containers Experience of system/application administration in a distributed, customer-facing, high-availability and large-scale environments Experienced and confident in More ❯
Salisbury, Wiltshire, United Kingdom Hybrid / WFH Options
Adecco
in 3rd line support for Exchange, M365, and endpoint technologies. Familiarity with Active Directory, ADFS, Azure Entra ID (formerly Azure AD), and Entra ID Sync. Experience with third-party SMTP gateway technologies (e.g., Mail Marshal) is advantageous. More ❯
driving licence (essential for travel). Experience of the following technologies: Microsoft 365 Advanced networking knowledge Windows OS Windows Server Microsoft Remote Desktop Services Azure Virtual Desktop Microsoft Exchange & SMTP VOIP systems What is on offer: A modern, well-equipped office space in Liverpool A collaborative, innovative team culture Opportunities for personal and professional growth Exposure to leading-edge tech More ❯
management of company’s European "intranet" server/site. Server Engineer - Requirements: Extensive work experience in LINUX/Windows server environments. ISP related server application knowledge and experience. I.E. SMTP, DNS, HTTP, Radius. Detailed knowledge of monitoring applications such as zabbix, nagios, icinga, SolarWinds, OpManager and others. Detailed knowledge of server and storage hardware. Detailed knowledge of server security hardening. More ❯
Cambridge, Cambridgeshire, United Kingdom Hybrid / WFH Options
Ecm Selection
with database systems (SQL Server/MySQL), e-commerce (Stripe), report generation (SAP Crystal Reports), systems administration (Windows Server, Active Directory, Office 365, PowerShell, DNS), networking (Ubiquiti Unifi), email (SMTP, SPF, DKIM), or learning management systems is welcome but not required. As well as a competitive salary and package, the company is family friendly and supportive of its staff. They More ❯
management of company's European 'intranet' server/site. Server Engineer - Requirements: Extensive work experience in LINUX/Windows server environments. ISP related server application knowledge and experience. I.E. SMTP, DNS, HTTP, Radius. Detailed knowledge of monitoring applications such as zabbix, nagios, icinga, SolarWinds, OpManager and others. Detailed knowledge of server and storage hardware. Detailed knowledge of server security hardening. More ❯
knowledge of Cisco Prime infrastructure and/or Cisco Catalyst Center (DNA) Working knowledge of CastleRock SNMPc or equivalent eg SolarWinds Knowledge of commonly used application protocols e.g. HTTP, SMTP, Telnet, FTP, etc. Disclosure and Barring Service Check This post is subject to the Rehabilitation of Offenders Act (Exceptions Order) 1975 and as such it will be necessary for a More ❯
customers if required & escalation contact (if necessary, outside of working hours) Requirements: Extensive work experience in LINUX/Windows server environments. ISP related server application knowledge and experience. I.E. SMTP, DNS, HTTP, Radius. Detailed knowledge of monitoring applications such as zabbix, nagios, icinga, SolarWinds, OpManager and others. Detailed knowledge of server and storage hardware. Detailed knowledge of server security hardening. More ❯
within 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 More ❯
We are a Global Recruitment specialist that provides support to the clients across EMEA, APAC, US and Canada. We have an excellent job opportunity for you. Role Title: SMTP Architect/SME Location: Remote. Occasional Travel to client site in Warwick. Duration: till 15/09/2025 Role Description: Urgently required to lead/support SMTP Detailed Design (and … The SME is responsible for the low level design and build documents for a Red Hat Postfix satellite MTA and to implement the solution. Key Skills: • Strong understanding of SMTP and Message Transfer Agents • Experience of Dovecot and Postfix • Experienced in Low Level Design and Build documentation. • Experienced in build and configuration on Linux within a Broadcom VCF (VMware virtual More ❯
regular expressions and their practical application in tracking malicious activity Working knowledge of SQL and devising SQL queries Experience with Yara Experience with DNS, IPv4, IPv6, HTTP/HTTPS, SMTP/SMTPS What Makes Cloudflare Special? We're not just a highly ambitious, large-scale technology company. We're a highly ambitious, large-scale technology company with a soul. Fundamental More ❯
Applications Knowledge of IT Security standard methodologies Demonstrable understanding of the OSI Reference Model and the network communication protocols, including but not limited to DNS, HTTP/S, SSL, SMTP, FTP/S, LDAP/S. Demonstrable experience with Security Information Event Monitoring Tools and/or Network Packet Capture tools Hands-on experience with IDS/IPS technologies and More ❯
as Dynamo DB, Postgres Terraform built environments Services built with .NET DevOps tools and methodologies such as: CircleCI pipelines management Docker containerization Git and GitHub for software versioning Beneficial SMTPprotocol, network interfaces Experience working with data and infrastructure at scale We use data to validate our decisions, measuring our progress and success. Data informs our decision making, our goals More ❯
the email threat landscape, their associated TTPs, and a strong curiosity to learn about the infrastructure and methodologies behind phishing and malicious email campaigns. Understanding of core email protocols (SMTP/POP/IMAP) and authentication standards (DKIM, SPF, DMARC). Experience in Python/Lua or other scripting languages, effectively applied to automation, data analysis, and tool development. Advanced More ❯
load user with ID: 987 Job Summary Country: United Kingdom Location: Southampton Sector: Infrastructure & IT Job Type: Permanent Technologies: Network engineering, Routers and Switches, IPV4, TCP/IP, DNS, SMTP This is an outstanding opportunity for a Network Engineer with some experience, looking to join a leading, global business renowned for developing their employees and offering fantastic career paths. A … be maintaining network performance through monitoring, performance tuning, and troubleshooting. The ideal Network Engineer will have experience with key networking technologies such as IPV4, TCP/IP, QoS, DNS, SMTP, SNMP, OSPF, BGP, HSRP, and VRRP. Experience with SolarWinds would be beneficial. Any experience with a global WAN, Datacentres, Cisco/HP switches & routers, Checkpoint (or other Firewall technologies) would More ❯