the on-premises and multi-cloud environments. The ideal candidate will have deep expertise with Cisco Appliances, AWS and/or GCP networking, and a strong proficiency with Infoblox DNS, Palo Alto Firewalls, VeloCloud SD-WAN, Zero Trust solutions like Zscaler, and Azure networking. The role requires a strategic thinker that can translate business needs into secure, scalable, and resilient … globally distributed teams. YOU'RE GOOD AT Architecture and Design Develop end-to-end network architectures that integrate AWS, GCP, Azure, and Cisco IOS platforms Design Core Network Protocol (DNS, NTP, DHCP) deployments with tools like Infoblox Design secure perimeter and segmentation strategies with Palo Alto Firewalls Lead SD-WAN design and deployment using VeloCloud to optimize global connectivity Implementation … API integrations, Git Actions and/or Terraform Cloud Security Implement next-generation firewall policies, web application firewall rules, threat prevention on Palo Alto and cloud native Firewalls Apply DNS security best practices using Infoblox Ensure compliance with standards such as ISO 27001, SOC2, and GDPR Collaboration and Leadership Partner with cloud, security, network, and DevOps teams to deliver integrated More ❯
documenting tasks for handoff to the Network Operations team. Manage, communicate, and implement infrastructure changes, upgrades, and migrations on network infrastructure, including L1/L2/L3 switches, firewalls, DNS/DHCP, and cloud networking components. Build strong relationships with a highly technical client base, including operations, low-latency developers, and systematic trading experts. Automate processes to reduce manual work … with knowledge of fundamental configuration, troubleshooting, and monitoring. Excellent knowledge of low-latency network products. Experience with networking vendors such as Arista, Cisco, Palo Alto, etc. and DHCP/DNS products like Infoblox. Exposure to cloud networking configurations and tools - AWS, Azure, GCP. An understanding of Market Data and/or third-party feed handlers. Ability to multi-task and More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Randstad Technologies
Platform/DevOps Engineer Contract: 6-Month Contract (Remote) Industry: Financial Services Technology About the Role We're seeking a skilled Platform/DevOps Engineer to help manage and evolve the infrastructure that powers a broad suite of proprietary and More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Randstad Technologies Recruitment
Platform/DevOps Engineer Contract: 6-Month Contract (Remote) Industry: Financial Services Technology About the Role We're seeking a skilled Platform/DevOps Engineer to help manage and evolve the infrastructure that powers a broad suite of proprietary and More ❯
Docker, Jenkins, Jasper Reports, and Cassandra. Familiarity with UI design, modelling tools, and CIM standards. Strong grasp of distribution and transmission electrical grids. Working knowledge of TCP/IP, DNS, Active Directory, networking protocols, and firewalls. Familiarity with NERC CIP standards. Tools & Technologies Used: ADMS/DMS/OMS SCADA Systems Oracle SQL, Linux, Windows Docker, Jenkins, Python Networking Protocols … TCP/IP, DNS, AD) Please send your CV for consideration More ❯
you a versatile contributor in a fast-paced, collaborative environment supporting cutting-edge technology. Role and Responsibilities Administer, operate, and maintain enterprise network infrastructure, including LAN/WLAN, VPNs, DNS/DHCP/IPAM, firewalls, and cloud networking (AWS, GCP). Proactively monitor and troubleshoot performance, availability, and connectivity issues, taking ownership of incident resolution end-to-end. Support systems … outside regular business hours. Skills and Experience Experience in enterprise network operations and troubleshooting. Proven ability to configure and support LAN/WLAN environments, routing/switching, VLANs, and DNS/DHCP. Knowledge of routing protocols and networking technologies such as BGP, VRRP/HSRP, TCP/UDP, LACP. Strong diagnostic skills using packet capture and other troubleshooting tools. Excellent More ❯
internet works". For example: Know the differences between TCP & UDP, and 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 … of clients & servers alike; Understanding of how customers make buying decisions, how to explain ROI. A knowledge of the competitive landscape for one or more of: DDoS, CDN, Performance, DNS, Developer platform or Zero-Trust/SASE service providers. You're OK with some in-region travel ( days per quarter): eg. Being next to our clients means that we need … local government election websites in 33 states. 1.1.1.1 : We released 1.1.1.1 to help fix the foundation of the Internet by building a faster, more secure and privacy-centric public DNS resolver. This is available publicly for everyone to use - it is the first consumer-focused service Cloudflare has ever released. Here's the deal - we don't store client IP More ❯
pilot, rollouts) Support and evolve infrastructure design, ensuring best practices are followed Collaborate with cybersecurity, network, storage, and application teams on cross-domain initiatives Implement or maintain Active Directory, DNS, DHCP, Group Policy, DFSR, WDS, etc. Automate deployment, configuration, and infrastructure provisioning (Infrastructure as Code) Work with virtualisation (VMware/vSphere, etc.) Configure/manage SAN/storage, Fibre Channel … either current or active within the last 12 months (non-negotiable) Strong track record with Windows 11 deployment (imaging, upgrade, Autopilot, Intune, SCCM, etc.) Solid experience with Active Directory, DNS, DHCP, Group Policy Experience in a 3rd line/senior infrastructure role Familiarity with both BAU support and project-based change Virtualisation experience (VMware, vSphere) Working knowledge of SAN/ More ❯
pilot, rollouts) Support and evolve infrastructure design, ensuring best practices are followed Collaborate with cybersecurity, network, storage, and application teams on cross-domain initiatives Implement or maintain Active Directory, DNS, DHCP, Group Policy, DFSR, WDS, etc. Automate deployment, configuration, and infrastructure provisioning (Infrastructure as Code) Work with virtualisation (VMware/vSphere, etc.) Configure/manage SAN/storage, Fibre Channel … either current or active within the last 12 months (non-negotiable) Strong track record with Windows?11 deployment (imaging, upgrade, Autopilot, Intune, SCCM, etc.) Solid experience with Active Directory, DNS, DHCP, Group Policy Experience in a 3rd line/senior infrastructure role Familiarity with both BAU support and project-based change Virtualisation experience (VMware, vSphere) Working knowledge of SAN/ More ❯
pilot, rollouts) Support and evolve infrastructure design, ensuring best practices are followed Collaborate with cybersecurity, network, storage, and application teams on cross-domain initiatives Implement or maintain Active Directory, DNS, DHCP, Group Policy, DFSR, WDS, etc. Automate deployment, configuration, and infrastructure provisioning (Infrastructure as Code) Work with virtualisation (VMware/vSphere, etc.) Configure/manage SAN/storage, Fibre Channel … either current or active within the last 12 months (non-negotiable) Strong track record with Windows 11 deployment (imaging, upgrade, Autopilot, Intune, SCCM, etc.) Solid experience with Active Directory, DNS, DHCP, Group Policy Experience in a 3rd line/senior infrastructure role Familiarity with both BAU support and project-based change Virtualisation experience (VMware, vSphere) Working knowledge of SAN/ More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Proactive Appointments
shaping and managing the firm’s hybrid identity environment, ensuring secure, efficient, and scalable access to critical enterprise systems. If you’re a specialist in Active Directory, Entra ID, DNS/DHCP/IPAM, and IAM strategy, this is an opportunity to lead impactful initiatives within a highly regulated, enterprise-scale financial services environment. The Role As Senior IAM Engineer … in a complex hybrid environment What We’re Looking For 10+ years’ experience in enterprise-scale IAM and directory services engineering Deep technical expertise in Active Directory, Entra ID, DNS/DHCP/IPAM (Infoblox experience highly desirable) Strong knowledge of PKI, certificates, authentication flows, access automation, and compliance requirements Advanced PowerShell scripting and automation skills Experience with IAM governance More ❯
the deployment of cutting-edge technical solutions while adhering to architectural governance, standards, and policies. Key Skills: proven experience as a Load Balancing Network Engineer. Extensive experience with F5 DNS (GTM) and various F5 Modules: LTM, GTM, APM, ASM, SSLO. Knowledge of virtual Load Balancers and FIPS modules. Proficiency in building and configuring Load Balancers to meet given standards. Experience … s Next Gen Load Balancer (AVI Networks). Automation scripting skills. Strong DMZ architecture and engineering experience. In-depth knowledge of network protocols and security principles. Working knowledge of DNS and IP Address Management. Excellent communication and technical analytical skills. A strong commitment to network security and compliance. Proven troubleshooting abilities for complex network issues. A collaborative spirit, but also More ❯
the deployment of cutting-edge technical solutions while adhering to architectural governance, standards, and policies. Key Skills: proven experience as a Load Balancing Network Engineer. Extensive experience with F5 DNS (GTM) and various F5 Modules: LTM, GTM, APM, ASM, SSLO. Knowledge of virtual Load Balancers and FIPS modules. Proficiency in building and configuring Load Balancers to meet given standards. Experience … s Next Gen Load Balancer (AVI Networks). Automation scripting skills. Strong DMZ architecture and engineering experience. In-depth knowledge of network protocols and security principles. Working knowledge of DNS and IP Address Management. Excellent communication and technical analytical skills. A strong commitment to network security and compliance. Proven troubleshooting abilities for complex network issues. A collaborative spirit, but also More ❯