Cyber Essentials, NIST, ISO 27001. An understanding of network security and compliance in regulated environments. Strong networking knowledge (LAN, WAN, DNS, DHCP, VPN, TCP/IP). Proficiency in firewall and load balancer technologies for secure environments. Hands-on experience with virtualization platforms (VMware, Citrix Xen) and backup solutions (Veeam or similar). Experience with monitoring tools (SolarWinds SentryOne, Zabbix More ❯
and modernise operations across the board, which includes furthering the skills of our colleagues. At DXC, building a better you, builds a better us. We are seeking a skilled Firewall Engineer to be based from our Erskine site to design, implement, manage, and troubleshoot firewall solutions to protect our organizations network infrastructure. The ideal candidate will have in-depth knowledge … of firewall technologies, network security principles, and best practices to ensure robust defense against cyber threats. Key Responsibilities: Design, deploy, configure, and maintain firewall infrastructure (e.g., Cisco ASA, Palo Alto, Fortinet, Check Point). Monitor firewall performance and analyze security logs to detect and respond to security incidents. Implement firewall rules, policies, and access control lists (ACLs) based on organizational … security requirements. Collaborate with network, security, and IT teams to ensure seamless integration of firewall systems. Conduct firewall rule reviews, audits, and compliance checks regularly. Troubleshoot and resolve firewall-related issues promptly to minimize downtime. Stay updated with the latest security threats and firewall technologies to recommend improvements. Document firewall configurations, changes, and procedures for audit and knowledge sharing. Participate More ❯
Huntingdon, Cambridgeshire, East Anglia, United Kingdom Hybrid / WFH Options
Leidos Innovations UK Limited
Experience in the installation, configuration and maintenance of Windows Server Update Services (WSUS). Experience of SQL Server. Experience of network setup and configuration (TCP/IP, DNS, DHCP, Firewall skills). Knowledge of backup technologies. Experience of desktop rollout and configuration. Experience of cloud-based deployment. Experience configuring and maintaining monitoring tools and systems. Defence experience. ITIL Foundation Qualification. More ❯
provisioning, configuring, supporting and maintaining cloud infrastructure and services, with an emphasis on Microsoft 365, Exchange online, SharePoint, Teams, and Intune. Deliver IT projects (e.g. email migrations, Intune deployments, firewall installations, email threat protection implementations as well as internet connectivity and VoIP etc). Managing email and network security. Proactive and reactive monitoring and maintenance of client networks. Ensuring security More ❯
DNS, DHCP, Group Policy • Office 365 – Teams, Sharepoint, Exchange, Intune • Virtualisation Technologies (Hyper-V, VMWare, Nutanix) • Networking – TCP/IP, VLANS, Switching/Routing (Cisco, Cisco Meraki) • Network Security – Firewall Admin, Network Security Technologies (Darktrace, MFA) • Azure/Azure Active Directory If you're a talented IT professional looking to take the next step in your career, we encourage you More ❯
DNS, DHCP, Group Policy • Office 365 – Teams, Sharepoint, Exchange, Intune • Virtualisation Technologies (Hyper-V, VMWare, Nutanix) • Networking – TCP/IP, VLANS, Switching/Routing (Cisco, Cisco Meraki) • Network Security – Firewall Admin, Network Security Technologies (Darktrace, MFA) • Azure/Azure Active Directory If you're a talented IT professional looking to take the next step in your career, we encourage you More ❯
Burgess Hill, West Sussex, England, United Kingdom Hybrid / WFH Options
Clearline Recruitment Ltd
Endpoint Manager, Exchange Online, and SharePoint Online Experience with Windows Server (2012R2-2022) and Windows 10/11 Knowledge of DHCP, DNS, Group Policies, and Active Directory Networking and firewall configuration (e.g. Palo Alto, UDM Pro, Draytek) Experience with VPNs (IPSEC, PPTP, SSL, SSTP, Azure VPN) Knowledge of VOIP, SQL Server, Hyper-V/VMware, and SaaS/PaaS/ More ❯
Burgess Hill, Sussex, United Kingdom Hybrid / WFH Options
Clearline Recruitment Ltd
Endpoint Manager, Exchange Online, and SharePoint Online Experience with Windows Server (2012R2-2022) and Windows 10/11 Knowledge of DHCP, DNS, Group Policies, and Active Directory Networking and firewall configuration (e.g. Palo Alto, UDM Pro, Draytek) Experience with VPNs (IPSEC, PPTP, SSL, SSTP, Azure VPN) Knowledge of VOIP, SQL Server, Hyper-V/VMware, and SaaS/PaaS/ More ❯
administration. Strong knowledge and understanding of Group Policy. Strong general networking skills (CLI, Subnetting, NAT). Good understanding of DNS. Router configuration and support experience (Cisco, HP, Draytek). Firewall configuration and support experience (Watchguard, SonicWALL). HP ProLiant and Dell PowerEdge Server Hardware support experience. VMware and Hyper V support experience (VCP an advantage). Storage technologies (NAS, NetApps More ❯
What You'll Need: Essential Microsoft Server 2016 - present Active Directory Office 365 Exchange VMware Hyper-V Hardware Software Support PC Repairs Network Troubleshooting Router/Switch Support/Firewall support Remote troubleshooting Customer service Good telephone manner Self-starter Preferable MSP Experience SharePoint Draytek Router Switch Support TCPIP Routing DHCP DNS Linux Plesk Microsoft Legacy Operating Systems VPN MySQL More ❯
PC hardware and software setup/configuration – Including OS installation, driver management, and troubleshooting hardware failures. Fundamental understanding of networking – TCP/IP, DNS, DHCP, VPN, VLANs, and basic firewall configurations. ITIL framework awareness – Understanding of incident, problem, and change management processes within an ITIL-based service environment. Security awareness and best practices – Understanding of cybersecurity fundamentals, MFA, endpoint security More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
cer Financial Ltd
experience of Windows Server, Active Directory, Exchange Server, VMware software, File Server; Good knowledge on TCP/IP and networking management, and the ability to configure Cisco Switch, Router, Firewall, wireless device; Excellent verbal and written communication skills in Mandarin and English essential; Experience in problem solving and troubleshooting; Proven ability to collaborate effectively with cross-functional teams; A strong More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
People First
experience of Windows Server, Active Directory, Exchange Server, VMware software, File Server; Good knowledge on TCP/IP and networking management, and the ability to configure Cisco Switch, Router, Firewall, wireless device; Excellent verbal and written communication skills in Mandarin and English essential; Experience in problem solving and troubleshooting; Proven ability to collaborate effectively with cross-functional teams; A strong More ❯
above Windows Desktop OS (Windows 7 and above) Hyper-V setup and administration Microsoft 365 tenant setup and administration SharePoint Online configuration and support Core networking (DNS, routing, switching) Firewall configuration (Meraki/Draytek/Sophos) Familiarity with VoIP platforms, preferably Gamma Experience with Apple device support Previous experience with Managed Service Platforms and RMM tools Desirable: Industry-recognised certifications More ❯
Microsoft Intune) Microsoft Azure Windows Server 2025 and previous versions SQL Server Active Directory PowerShell scripting Basic Windows based networking – TCP/IP, DNS, DHCP etc Basic routing, switching & firewall knowledge As our 3rd Line IT Support Analyst, you will be responsible for: Delivering outstanding customer service and act as a technical escalation point for 1st, 2nd line, and sales More ❯
Stoke Gifford, Gloucestershire, United Kingdom Hybrid / WFH Options
Synoptix
and compliance frameworks Experience in managing, servers, systems and applications Hands on expertise in Linux systems administration Knowledge of Windows server management, Active Directory, DNS, MS Exchange Experience managing firewall configuration and enterprise anti-virus software Experience in managing and maintaining VMware (Hypervisor) Service-oriented with effective communication skills Ability to prioritize workload under minimal supervision Undergraduate degree or equivalent More ❯
Bristol, Stoke Gifford, Gloucestershire, United Kingdom Hybrid / WFH Options
Synoptix
and compliance frameworks Experience in managing, servers, systems and applications Hands on expertise in Linux systems administration Knowledge of Windows server management, Active Directory, DNS, MS Exchange Experience managing firewall configuration and enterprise anti-virus software Experience in managing and maintaining VMware (Hypervisor) Service-oriented with effective communication skills Ability to prioritize workload under minimal supervision Undergraduate degree or equivalent More ❯
Bristol, Avon, South West, United Kingdom Hybrid / WFH Options
Synoptix Limited
and compliance frameworks Experience in managing, servers, systems and applications Hands on expertise in Linux systems administration Knowledge of Windows server management, Active Directory, DNS, MS Exchange Experience managing firewall configuration and enterprise anti-virus software Experience in managing and maintaining VMware (Hypervisor) Service-oriented with effective communication skills Ability to prioritize workload under minimal supervision Undergraduate degree or equivalent More ❯
Overview Become a Global Senior Infrastructure Engineer with us, where you'll spearhead the design and enhancement of hybrid cloud services while championing digital transformation efforts. About the Company Gravity Media deliver an unparalleled range of media services and solutions More ❯
