76 to 100 of 101 High Availability Jobs in the South East

a complex Legacy enterprise estate with a secure, automated, multi-tenant private cloud. This initiative calls for strong system-level expertise, particularly in environments with strict data segregation and high assurance controls. We're looking for a capable Systems Administrator who can help define, automate, and secure infrastructure processes - with a particular focus on cross-domain technologies and the … infrastructure operations Bonus experience: Exposure to data diode or assured control products Familiarity with secure-by-default design methodologies Working knowledge of file/object storage , backup strategies, and high-availability setups More ❯

BAU support, monitoring, and maintenance of live production systems Essential: Skilled in supporting infrastructure and applications built on Microsoft Server systems (e.g. Remote Desktop, Active Directory, DNS) Familiar with high-availability environments handling thousands of daily users and requiring zero downtime Proficient in maintaining and updating Windows-based systems, including regular Windows Updates and patching Strong knowledge of More ❯

brands within the music industry, is seeking .NET Developer to work out of their plush offices in the heart of Leatherhead. You will be working on the development of high-availability and highly-transactional .NET/C# applications which will be critical to the launch of their new online music shopping channel. We are seeking .NET Developer candidates More ❯

and configurations. * Good understanding on Exchange Gateway product like Bright mail, IMSS etc. * Good understanding about MS Cluster on Exchange 2003 * Good understanding about and Hands on experience regarding High Availability Features (CCR, SCC, SCR & LCR). * Good knowledge on Collaborating Applications (Black Berry, OCS, UM etc.) * Extensively worked on Windows core infrastructure services like Active Directory, DNS … Trouble-shooter Analyzer * MPS Report * Demonstrated experience in ITIL best practices methodologies APPLY NOW! Due to the nature and urgency of this post, candidates holding or who have held high level security clearance in the past are most welcome to apply. Please note successful applicants will be required to be security cleared prior to appointment which can take up More ❯

sole British National) About the Role We are looking for an experienced Network Architect to join a collaborative project team delivering medium to large-scale network solutions for a high-profile customer. You will be responsible for designing secure, scalable network architectures and supporting their implementation alongside engineers and project managers. Key Responsibilities • Design and deliver robust network solutions … Programme and Project Managers to meet solution delivery goals • Work closely with the Lead Architect/Deputy CTO to align designs with business and technical requirements • Create and maintain high-level and low-level designs (HLD/LLD) for areas such as: Cisco FMC, SSM, FTD, Gigamon HC1 and GigaVUE FM, Juniper WAN/LAN, Endace, NTP, Data Centre … Knowledge of a broad range of network and security technologies (e.g., Cisco, Juniper, Gigamon) • Proficient in network routing protocols, VPNs, virtual routing instances, QoS, security zones/policies, and high availability design • Demonstrable ability to design, configure, and troubleshoot IP addressing schemes • Hands-on experience with Juniper (SRX, EX), Cisco, and Gigamon network products • Proficiency with requirements management More ❯

can make arealdifference and become a giant slayer.As the world around us continues to change, we look for people who grab that change with optimism and excitement.Theseare thepassionate and high performingpeoplewho enjoy and thrive onthinking outside the box. Our current employees are the giant slayers who have made Littlefish who we are today, and you will be the future … and customer engagement. Ability to manage conflicting priorities and maintain service quality under pressure. Desirable Experience working in a managed service provider (MSP) environment. Familiarity with regulated industries or high-availability environments. ITIL Foundation certification or equivalent. Apple experience would be advantageous. What can we offer you? Through our one of a kind training programme, the Littlefish Academy … are as a business, what we stand for and how we work. Hiring people with our values at heart, is very important as we see Littlefish grow. I am High Performing- I like to raise the bar, we look at creating opportunities to increase quality and improve efficiency, we strive for service excellence. I am Passionate- We build team More ❯

/Desktop, Redhat Linux (RHEL) Server/Desktop Administration, CITRIX VDI, Active Directory, Group Policy, VMware. Core responsibilities: Implement, maintain and enhance the platforms physical and virtual infrastructure Ensure high availability and performance of network services Carries out virtual and physical infrastructure/network/storage builds and rebuilds Assists in the preparation of detailed technical delivery plans More ❯

the technology organisation to ensure alignment and co-deliver overall business workflows. Requirements The candidate should have the following skills and qualities: Experience leading the design and development of high-availability, distributed platforms in the Front Office Pricing domain. Experience managing and directing small teams of technical experts. Experience of providing technical expertise and guidance to developers and More ❯

internal teams are equipped post-migration Essential: Proven expertise with FortiGate firewalls across multiple versions and models VPNs (IPSec, SSL-VPN) Security profiles (IPS, Antivirus, App Control, Web Filtering) High availability (HA), routing (BGP, OSPF), policy optimisation Experience with FortiManager and FortiAnalyzer Strong foundational networking knowledge (TCP/IP, VLANs, routing protocols, network architecture) History of delivering firewall More ❯

Database Administration (SQL Proficient). Database Security. Database Performance Tuning. Backup & Recovery. Clearance: SC minimum/DV (or willing to undergo). It would be great if you had: High Availability and Disaster Recovery. Database Security Auditing. Security Best Practices. Ability to troubleshoot and problem-solve database related errors and issues. Experience of other database platforms such as More ❯

Experience with DAST systems such as OpenZAP, Qualys DAST (preferred) ideally with HTTP APIs Ability to manage large scale software estates from a operational perspective (build, release, monitoring, rollbacks, high availability, etc) Hands on experience building automated security test suites JOB DESCRIPTION Analysing new feature code to identify security risks and working with engineers to mitigate Delivering improvements More ❯

you will be part of the Trust's IT Infrastructure Team, maintaining the service capability of the Trust's IT infrastructure, specifically in the area of data centre's, high availability & resiliency, hypervisors, cloud and on premise environments, physical & virtual servers, domain controllers and backups etc. Our values are B old, E very Person Counts, S haring and More ❯

critical infrastructure that powers the UK's enterprise tech landscape? My client is looking for a Data Centre Technician to join a fast-growing, forward-thinking tech team delivering high-impact services across multiple UK data centre sites. This is a fantastic opportunity for someone with early experience in data centre operations or IT support, who's looking for … genuine progression, in-depth training, and the chance to work with advanced technologies in a real-world environment. What You'll Do Supporting the deployment and ongoing operation of high-availability infrastructure Managing and maintaining customer racks, structured cabling, and power allocation Handling hardware installs, moves, replacements, and decommissions ("lift and shift") Logging and tracking work through ticketing More ❯

critical infrastructure that powers the UK's enterprise tech landscape? My client is looking for a Data Centre Technician to join a fast-growing, forward-thinking tech team delivering high-impact services across multiple UK data centre sites. This is a fantastic opportunity for someone with early experience in data centre operations or IT support, who's looking for … genuine progression, in-depth training, and the chance to work with advanced technologies in a real-world environment. What You'll Do Supporting the deployment and ongoing operation of high-availability infrastructure Managing and maintaining customer racks, structured cabling, and power allocation Handling hardware installs, moves, replacements, and decommissions ("lift and shift") Logging and tracking work through ticketing More ❯

seeking an experienced Cross Domain Engineer to support a large transformation programme, delivering a multi-tenant private cloud platform to replace complex legacy infrastructure. This role will involve a high level of automation, secure design patterns, and rapid deployment of customer business solutions. Key Responsibilities: * Define and automate data flows for the IMPEX process * Configure Assured Control Devices (ACDs … assured controls and data diodes (Desirable) * Understanding of Security Best Practices/Secure by Design principles (Desirable) * Experience with object/file storage deployments, backup/restore processes, and High Availability configurations (Desirable) * Active SC clearance If you're a skilled Systems Administrator with expertise in cross domain security solutions , we'd love to hear from you. More ❯

seeking an experienced Cross Domain Engineer to support a large transformation programme, delivering a multi-tenant private cloud platform to replace complex legacy infrastructure. This role will involve a high level of automation, secure design patterns, and rapid deployment of customer business solutions. Key Responsibilities: * Define and automate data flows for the IMPEX process * Configure Assured Control Devices (ACDs … assured controls and data diodes (Desirable) * Understanding of Security Best Practices/Secure by Design principles (Desirable) * Experience with object/file storage deployments, backup/restore processes, and High Availability configurations (Desirable) * Active SC clearance If you're a skilled Systems Administrator with expertise in cross domain security solutions , we'd love to hear from you. JBRP1 More ❯

responsibilities - Manage and support Windows Server environments including patching, upgrades, and troubleshooting. Administer and maintain VMware vSphere infrastructure and virtualized environments. Support and manage Dell EMC VxRail systems, ensuring high availability and performance. Collaborate with infrastructure, network, and application teams on ongoing projects. Provide documentation and knowledge transfer to internal teams. This role is an Umbrella only contract More ❯

a PLC engineering environment Design and integration of large-scale PLC Control Systems based on Siemens S7-300/400 (Step 7 Professional Classic). Experience of Fault Tolerant, High Availability and Safety Integrated PLC Solutions Experience of Industrial Communication protocols and networking standards such as; Profibus, Profinet, EtherNet/IP, ModBus, TCP/IP, UDP and ASCII More ❯

Additional Package: £6K Car Allowance, 15% Bonus & Extensive Benefits Package Location: Basingstoke Are you a Network Architect ready to take on a new challenge where your ideas directly influence high-impact solutions? This is a brilliant opportunity to join a project-focused environment where collaboration, innovation, and technical excellence are at the heart of everything. You'll be part … deliver medium-to-large scale network solutions across multiple programmes and services. Provide day-to-day architectural input and design support to project and programme managers. Create and maintain high-level and low-level design documents (HLDs/LLDs) across technologies including Cisco, Juniper, and Gigamon. Guide and support network engineers in both design and operational delivery. Ensure all … Extensive experience designing enterprise-level networks with technologies such as Cisco FMC, SSM, FTD, Juniper WAN/LAN, and Gigamon. Strong technical expertise across routing protocols, VPNs, QoS, and high availability setups - ideally backed by vendor certifications. Comfortable with IP addressing, troubleshooting, and lifecycle configuration for secure networks. Experienced in overseas infrastructure work and stakeholder reporting. Eligible for More ❯

month contract Location: Wokingham (Reading). Hybrid, 60% remote and 40% onsite Clearance required: Active SC is essential Key Skills/requirements Detect and mitigate system issues to ensure high availability click apply for full job details More ❯

said design. Demonstrable troubleshooting skills and approach to defect resolution. Strong technical networking knowledge (with vendor certifications) of routing protocols, virtual routing instances, VPNs, Security zones and policies, QoS, high availability Experienced in configuring Juniper (SRX, EX), Cisco and Gigamon network products Solid understanding of customer end to end life-cycle Excellent communications skills (with different teams), willing More ❯

said design. Demonstrable troubleshooting skills and approach to defect resolution. Strong technical networking knowledge (with vendor certifications) of routing protocols, virtual routing instances, VPNs, Security zones and policies, QoS, high availability Experienced in configuring Juniper (SRX, EX), Cisco and Gigamon network products Solid understanding of customer end to end life-cycle Excellent communications skills (with different teams), willing More ❯

said design. Demonstrable troubleshooting skills and approach to defect resolution. Strong technical networking knowledge (with vendor certifications) of routing protocols, virtual routing instances, VPNs, Security zones and policies, QoS, high availability Experienced in configuring Juniper (SRX, EX), Cisco and Gigamon network products Solid understanding of customer end to end life-cycle Excellent communications skills (with different teams), willing More ❯

month contract Location: Wokingham (Reading). Hybrid, 60% remote and 40% onsite Clearance required: Active SC is essential Key Skills/requirements Detect and mitigate system issues to ensure high availability. Automate operational tasks to improve efficiency and reduce manual intervention. Prepare disaster recovery plans and ensure business continuity. Monitor system health and optimize performance. Collaborate with development teams … passion for building scalable, secure solutions. Excellent communication skills to collaborate with cross-functional teams. All profiles will be reviewed against the required skills and experience. Due to the high number of applications we will only be able to respond to successful applicants in the first instance. We thank you for your interest and the time taken to apply More ❯

month contract Location: Wokingham (Reading). Hybrid, 60% remote and 40% onsite Clearance required: Active SC is essential Key Skills/requirements Detect and mitigate system issues to ensure high availability. Automate operational tasks to improve efficiency and reduce manual intervention. Prepare disaster recovery plans and ensure business continuity. Monitor system health and optimize performance. Collaborate with development teams … passion for building scalable, secure solutions. Excellent communication skills to collaborate with cross-functional teams. All profiles will be reviewed against the required skills and experience. Due to the high number of applications we will only be able to respond to successful applicants in the first instance. We thank you for your interest and the time taken to apply More ❯