routing, switching, TCP/IP and OSI) · Router maintenance - wireless configuration, installation and setups. · PowerShell to a competent level (backup/azure/EMC). · VPN Administration and Deployment. · DNS ?" administration of DNS internal and external. Experience of supporting Market Data and Bloomberg would be a great plus. The salary for this position with be circa £40K - £50K. This is More ❯
that, and preferably written the migration playbook along the way. You'll also need to be rock-solid across the Wintel stack -we're talking Windows Server, Active Directory, DNS, Group Policy-the full Windows infrastructure backbone. Key Responsibilities: Lead and execute the migration of Exchange from on-premise to Exchange Online (O365). Troubleshoot and resolve issues across both … and updated to reflect new architecture and processes. What You'll Need: Proven hands-on experience migrating Exchange on-prem to Exchange Online. Strong Wintel background - Windows Server, AD, DNS, DHCP, Group Policy. PowerShell scripting know-how to automate tasks and streamline deployment. Solid understanding of hybrid Exchange environments and Azure AD Connect. Bonus Points For: Experience in highly regulated More ❯
Responsibilities: Act as first point of call for incoming tickets/phone calls Support and troubleshooting of Windows 11-10 OS queries O365 Administration (SharePoint, OneDrive, Exchange) Group Policy (DNS/DHCP) Occasional on-site client visits when required Requirements: ESSENTIAL Previous experience in a Managed Service Provider (MSP) environment Strong knowledge of Active Directory Office 365 Admin & troubleshooting (security … user creation) Basic networking knowledge Experience with Group Policy, DNS, DHCP Full UK driving licence What's on Offer: Competitive salary: £26,000-£30,000 (depending on experience) Discretionary annual bonus 31 days holiday (including Bank Holidays and Christmas shutdown) Private medical insurance Contributory pension scheme Ongoing training and development Exposure to cloud projects and career progression opportunities This is More ❯
and SDWAN concepts (including wireless LAN) with experience in supporting enterprise class routers, switches 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 analyze the DATA from Network … Routing & Switching (Cisco/Juniper - OEM's) - DC * DC-Core Network Protocol BGP/OSPF concepts * Checkpoint Firewall - Network Security & VPN concepts * Cisco Wireless & SD WAN concepts * F5 LTM * DNS/DHCP, IPAM * CCNP, CCSA, F5 Certificate * Good to Have * Cisco Meraki * AWS Networking, * Cisco ISE & Security * NMS: BIG IQ, SolarWinds, CA Spectrum, Thousand eyes, NetBrain, Firewall Monitoring Tools (Checkpoint More ❯
environments across Windows Server, AD, RDS, Exchange & Hyper-V Handling a wide range of support queries (1st-3rd line) via phone, email, and ticketing Troubleshooting complex network issues (Firewalls, DNS, VPNs, VLANs, etc.) Maintaining backup and disaster recovery solutions Working on customer projects and systems upgrades Occasionally visiting UK data centres and participating in out-of-hours work (paid overtime More ❯
South East London, London, England, United Kingdom
Oscar Technology
year preferred). Strong working knowledge of: Windows 10/11 Microsoft 365 (Outlook, Teams, SharePoint, OneDrive) Active Directory and basic Group Policy tasks Basic networking knowledge (IP, DNS, DHCP, VPN). Experience with remote support tools (e.g., TeamViewer, AnyDesk, RDP). Excellent communication and customer service skills. A proactive, problem-solving mindset and ability to work independently. Willingness to More ❯
and Open Source technologies. Positive, constructive, and open-minded attitude. Self-motivated and able to work autonomously. Understanding of Routing and Switching protocols such as TCP/IP, BGP, DNS, DHCP, VRRP. Experience supporting multi-vendor routing/switching environments (Arista, Juniper, Cisco, Palo Alto, Fortinet). Knowledge of Firewall operations, configuration, and management, primarily Palo Alto and Fortigate. Experience More ❯
Cloud Networking - AWS, Azure, Terraform and Cloud Formation Templates Automation & scripting - Python, Ansible, IaC Packet Broker - Gigamon Firewalls - Palo Alto, Cisco F5 - Big IP, LTM, GTM, ASM, AFM Infoblox - DNS, DHCP, NTP Linux OS understanding About Columbia Threadneedle Investments Working at Columbia Threadneedle Investments you'll find growth and career opportunities across all of our businesses. We're intentionally built More ❯
City of London, London, England, United Kingdom Hybrid / WFH Options
AWD online
/2nd Line Technical IT Helpdesk supporting users Microsoft Terminal services/RDS Microsoft Windows 10/11 Microsoft 365 including Intune and Autopilot Active Directory Azure Active Directory DNS and DHCP Excellent customer service, communication and interpersonal skills Excellent English written and oral communication skills DESIRABLE (Nice to Have) ITIL v3/v4 Foundation Certification Experience of working in More ❯
Desk moves, office setups and decommissions) Windows 10/11 Active Directory (Basic knowledge & Awareness) Group Policy (Basic knowledge & Awareness) Solid understanding of networking concepts and services such as DNS, DHCP in a TCP/IP environment Asset and license tracking (via CMDB) Assist with conference room meetings including WebEx, Zoom kits, Ring Central, Microsoft Teams and similar video conferencing More ❯
including technical refresh of large numbers of devices; Strong experience of monitoring and management tooling including SolarWinds. Have good general knowledge of Windows Server Environments, (including OS build, AD, DNS, DHCP and GPO) and Linux (RHEL) data centre server infrastructures. Have excellent analysis and problem solving skills, taking ownership of complex incidents ensuring these are resolved to the satisfaction of More ❯
Required: Tenable Nessus Engineers IR35 Status: Inside Duration: 12 month initial contract Location: 1-2 days onsite in either Central London or Knutsford Role 1 As an experienced Vulnerability Assessment Engineer responsible for maintaining the Vulnerability Assessment toolsets and products. More ❯
of routine tasks. Familiarity with troubleshooting system issues, analysing logs, and performing root cause analysis for outages or performance degradation. Working knowledge of networking concepts (e.g., TCP/IP, DNS, firewalls) in a Linux environment. Experience with security hardening, user authentication, and compliance configurations for secure systems operation. Exposure to cloud environments (e.g., AWS, Azure, GCP) or virtualised infrastructure (e.g. More ❯
MS Office 2003 - 2010, Remote Access Tools, VPN. Experience with SharePoint, Windows OS 2003/2008 R2/2012, SAP, Citrix, XEN Server, VMWare, Symantec Backup Exec. Active Directory (DNS, DHCP, Groups). Ability to write, update, and maintain network schematics, work instructions, and procedures for the network infrastructure. Manage and maintain the order management process and keep all related More ❯
and network-related issues. Collaborate on projects to ensure high-quality deliverables and customer satisfaction. Required Skills/Qualifications: Strong understanding of network protocols: TCP/IP, VLANs, QoS, DNS, DHCP. Experience with routing and switching using wireless vendors such as Mikrotik, Ubiquiti, Radwin, Siklu, Ceragon, Cambium, Mimosa etc. Familiarity with VoIP and SIP. Proficiency in using network troubleshooting tools More ❯
Python, Golang, Bash, PowerShell, JavaScript, Java, C#), within an SCM environment (e.g. Bitbucket, GitHub). You have good networking skills, including knowledge of routing & switching protocols as well as DNS, firewalling, load-balancing and global traffic management. You are familiar with, and able to install, configure and manage various persistence technologies, including database technologies (NoSQL/SQL) and broker/ More ❯
t achieve. BASIC QUALIFICATIONS - Advanced knowledge in system administration (Linux and/or Windows) - Experience of systems automation using (Bash, Python, Perl, PowerShell, Batch) - Practical understanding of network fundamentals (DNS, DHCP, TCP/IP, routing, switching, HTTP) - Good troubleshooting skills at all levels, from application to network to host PREFERRED QUALIFICATIONS - Understanding of cloud computing concepts and design considerations - Knowledge More ❯
and SDWAN concepts (including wireless LAN) with experience in supporting enterprise class routers, switches 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 … Routing & Switching (Cisco/Juniper - OEM's) - DC * DC-Core Network Protocol BGP/OSPF concepts * Checkpoint Firewall - Network Security & VPN concepts * Cisco Wireless & SD WAN concepts * F5 LTM * DNS/DHCP, IPAM * CCNP, CCSA, F5 Certificate * Good to Have * Cisco Meraki * AWS Networking, * Cisco ISE & Security * NMS: BIG IQ, SolarWinds, CA Spectrum, Thousand eyes, NetBrain, Firewall Monitoring Tools (Checkpoint More ❯
specializing in AWS Cloud Technologies. Experience in building and managing data platforms with expertise in data storage, processing, and governance. Proven experience with networking technologies, including configuring VPNs, managing DNS, and optimizing network performance. AWS certifications, such as AWS Certified Solutions Architect (Professional) or AWS Advanced Networking Specialty, are highly desirable. Proficiency in networking protocols (e.g., TCP/IP, BGP … DNS) and security principles. Expertise in infrastructure as code tools (e.g., Terraform, CloudFormation). Strong problem-solving skills with the ability to analyze complex systems and design efficient solutions. Technical Skills AWS Certification (e.g., AWS Certified Solutions Architect - Associate/Professional) is a plus. AWS Cloud Services: EC2, S3, Lambda, RDS, CloudWatch, CloudTrail, etc. Networking Tools: AWS Direct Connect, Transit More ❯
and IOS-XR. Knowledge of industry-standard network design and implementation. Understanding of security and communication networks; knowledge of PC environments is a plus. Preferred experience with TACACS+, RADIUS, DNS, DHCPv4, DHCPv6, or IPAM/DDI. Strong problem-solving, communication, and interpersonal skills, including conflict resolution, confidentiality, and effective listening. More ❯
Citrix XenApps ?" Administration, Maintenance and Support of existing Citrix XenApps server farm Windows Server Environment 2012/2016 - design, deployment, maintenance and support. Networking - design/troubleshoot/installation (DNS ?" DHCP ?" VLAN ?" Proxy Understanding - TCP/IP and OSI) to a moderate to advance level PowerShell to a moderate level VPN troubleshooting and Support understanding necessary. Router maintenance - wireless configuration More ❯
delivery concept and 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 More ❯
other network devices. In-depth understanding of communication protocols (mainly TCP/IP). In-depth experience of the following Layer 2, Layer 3 technologies: BGP, OSPF, EIGRP, VRF, DNS, DHCP, NAT, Spanning-Tree. In-depth experience in management of Advanced Threat Protection features like Antivirus, IPS, Antispyware, Vulnerability protection, URL filtering, and file blocking in addition to firewall rules. More ❯
