VPNs etc…). Experience with both Windows Server systems administration (Active Directory, RADIUS, PowerShell); and Linux systems administration (Ubuntu, Apache2, OpenSSL). Experience with different email configurations and management (DMARC, SPF, SMTP, IMAP). Additional experience with database administration (SQL Server, Oracle); MS 365 administration; virtual machine hosting; and Azure would be beneficial. The role is particularly people-facing, so More ❯
Sheffield, South Yorkshire, England, United Kingdom
Get Staffed Online Recruitment Limited
desk for at least 12 months. Good understanding of Cyber Security tools such as email filtering, content restrictions, multi-factor authentication, conditional access, anddomain security (DKIM, DMARC, SFP). Good understanding and working knowledge of MS365 admin (Entra ID, SharePoint, Teams, Intune, Exchange). Considerations If you have any experience, technical training/certifications etc. which you More ❯
Exchange Server 2016/2019/SE , including configuration, administration, troubleshooting, and version upgrades. Practical experience managing email security and continuity platforms Working knowledge of DNS, SPF, DKIM, andDMARC configuration and management, ideally using tools such as Valimail . Strong understanding of Intune for BYOD and corporate device management , Demonstrated ability to identify, design, and implement automation to improve More ❯
Exchange Server 2016/2019/SE , including configuration, administration, troubleshooting, and version upgrades. Practical experience managing email security and continuity platforms Working knowledge of DNS, SPF, DKIM, andDMARC configuration and management, ideally using tools such as Valimail . Strong understanding of Intune for BYOD and corporate device management , Demonstrated ability to identify, design, and implement automation to improve More ❯
firewalls, and VPN technologies. * Encryption: PKI and data encryption for both data at rest and in transit. * Email Security: Mimecast and Exchange Online, Tessian plus SPF/DKIM/DMARC configuration. * Backup and Recovery Systems: On-premise and Cloud backup solutions * Experience of project management disciplines (eg: Prince2, Agile) are desirable. Information Security Manager In accordance with the Employment Agencies More ❯
Birmingham, England, United Kingdom Hybrid/Remote Options
Undisclosed
in enterprise environments. Strong understanding of SMTP protocols, email routing, and mail security. Proficiency in Linux system administration (RHEL, CentOS, Ubuntu). Experience with TLS, SPF/DKIM/DMARC, and SASL protocols. Ability to integrate Postfix into enterprise systems (VCF, HPE, SIEM, LDAP/AD). Strong troubleshooting and problem-solving skills. Scripting experience for automation and monitoring (Bash More ❯