1 to 25 of 209 High Availability Jobs

Cisco Catalyst NOC Engineer

Hiring Organisation
MECS Communications Ltd
Location
Glasgow, Lanarkshire, Scotland, United Kingdom
Employment Type
Contract
Weekends & Bank Holidays) Overview: @mecscomms is recruiting for experienced Cisco Catalyst NOC Engineers/Network Operations Engineers to support critical network infrastructure within a high-availability 24x7 operational environment. This is an excellent opportunity for experienced Network Operations Centre (NOC), TAC or Network Monitoring Centre (NMC) professionals with … Catalyst 9500 platforms. Purpose: To provide 24x7 operational support, monitoring, incident management and technical troubleshooting across critical Cisco network infrastructure, ensuring maximum network availability, performance and service reliability. Technology Stack: * Cisco Catalyst 3850/9300/9500 * Cisco IOS/IOS-XE * Layer 2 & Layer 3 Networking * OSPF/ ...

Cisco Catalyst NOC Engineer

Hiring Organisation
MECS Communications Ltd
Location
Birmingham, West Midlands, United Kingdom
Employment Type
Contract
Weekends & Bank Holidays) Overview: @mecscomms is recruiting for experienced Cisco Catalyst NOC Engineers/Network Operations Engineers to support critical network infrastructure within a high-availability 24x7 operational environment. This is an excellent opportunity for experienced Network Operations Centre (NOC), TAC or Network Monitoring Centre (NMC) professionals with … Catalyst 9500 platforms. Purpose: To provide 24x7 operational support, monitoring, incident management and technical troubleshooting across critical Cisco network infrastructure, ensuring maximum network availability, performance and service reliability. Technology Stack: * Cisco Catalyst 3850/9300/9500 * Cisco IOS/IOS-XE * Layer 2 & Layer 3 Networking * OSPF/ ...

Senior Database Engineer

Hiring Organisation
Zensar Technologies
Location
Burgess Hill, West Sussex, South East, United Kingdom
Employment Type
Permanent
Salary
£60,000
come to the right place! As a Senior Database Engineer you are expected to own and evolve our mission-critical database platforms in a high-availability, 247 production environment. This role sits at the intersection of database engineering, SRE practices, and automation, and will play a key part … build, and operations of large-scale database platforms including MongoDB Enterprise, Percona MongoDB, MongoDB Atlas, along with SQL Server, Cassandra, PostgreSQL, and MySQL. Ensure high availability, fault tolerance, backup, and disaster recovery across multi-region deployments with stringent uptime SLAs. Drive capacity planning, performance optimisation, and lifecycle management ...

Senior Linux/Unix Admin

Hiring Organisation
Morgan McKinley
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
recently implemented core banking platform (live since October). The successful candidate will be expected to hit the ground running, supporting a complex, high-availability environment spanning 50+ servers and 15-20 databases, while also contributing to ongoing optimisation and platform maturity. Key Responsibilities Database & Platform Management Administer … optimise enterprise databases (including SQL Server and Oracle environments) supporting core financial applications Manage and support clustered database environments, including Oracle RAC Ensure high availability, performance tuning, and data integrity across all database platforms Application & Web Layer Support Support and manage front-end application environments, with experience ...

AWS Technical Architect Remote

Hiring Organisation
DXC
Location
London, United Kingdom
Employment Type
Permanent
creating an environment where people can do great work while continuing to grow their careers. The Role As an AWS Technical Architect, youll take high-level customer requirements and turn them into practical, secure, and production-ready AWS solutions. Youll work closely with CloudOps, DevOps, engineering teams, and customer … account communication and outbound traffic to external services. Cost Optimization : Designing cost-effective solutions by selecting appropriate AWS services and implementing cost management strategies. High Availability and Disaster Recovery : Designing architectures for high availability and disaster recovery using AWS services. Performance Optimization : Tuning configurations and leveraging ...

AWS Technical Architect

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £725/day
remote +Outside IR35 + £550 - £650 a day +SC cleared role - current active clearance is essential As an AWS Technical Architect, you'll take high-level customer requirements and turn them into practical, secure, and production-ready AWS solutions. You'll work closely with CloudOps, DevOps, engineering teams … account communication and outbound traffic to external services. Cost Optimization: Designing cost-effective solutions by selecting appropriate AWS services and implementing cost management strategies. High Availability and Disaster Recovery: Designing architectures for high availability and disaster recovery using AWS services. Performance Optimization : Tuning configurations and leveraging ...

Senior DevOps Engineer

Hiring Organisation
COMPANIES HOUSE
Location
Cardiff, South Glamorgan, Wales, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£50,000
whereby commuting to the office location of your team is not reasonable. Job description We are proud to have consistently achieved a 99.5% service availability target over the past five years, and you will be joining a team committed to maintaining and exceeding this standard across both existing … Digital team in a time of great change, an integral role in the way that Companies House systems are developed delivering secure, resilient and high-performing IT services Support and improve services within a cloud-based (e.g. AWS) Linux/Unix environment, using scripting, automation, monitoring and CI/ ...

Senior Database Administrator

Hiring Organisation
Bis Henderson
Location
Cannock, Staffordshire, West Midlands, United Kingdom
Employment Type
Permanent
Salary
£60,000
Summary: Our client is seeking an experienced Senior Database Administrator (DBA) to support and optimise mission-critical SQL Server environments across a fast-paced, high-volume operational business. This hands-on role focuses on database performance, security, scalability, and continuous improvement, ensuring systems remain reliable and efficient in real … scalability improvements, and business continuity initiatives Key Skills/Experience: Strong hands-on experience as a SQL Server DBA in production environments Experience supporting high-volume, real-time transactional systems with high availability requirements Advanced SQL expertise including DML, DDL, stored procedures, CTEs, window functions, indexing ...

SQL Support Engineer

Hiring Organisation
Adria Solutions
Location
Manchester, North West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£55,000
maintaining and improving database and server environments, supporting application deployments, troubleshooting production issues, and working closely with development and infrastructure teams to deliver reliable, high-performing systems. This role suits someone who is proactive, hands-on, and comfortable working across SQL Server, infrastructure, networking, and application support. Key Responsibilities … Administer, support, and maintain Microsoft SQL Server environments, including high availability systems Install, configure, and maintain Windows Server environments Participate in a 24/7 remote on-call rota following training Troubleshoot database, infrastructure, networking, and application issues Perform application installations, upgrades, and configuration changes Support deployment ...

Senior DevOps Engineer (m/f/d)

Hiring Organisation
Alphawave Group
Location
Düsseldorf, Nordrhein-Westfalen, Germany
Employment Type
Permanent
Salary
EUR 80,000 - 100,000 Annual
financial sector, specifically with algorithmic trading or futures markets; knowledge in secure virtual networking, cloud/grid-computing, failover/load-balancing strategies and high-availability concepts. Responsibilities: • CI/CD Architecture & Ownership: Take full responsibility for the architectural design and operational implementation of the continuous integration … enforce best practices for version control and release management. • System Reliability: Monitor and ensure the health and performance of the trading infrastructure, guaranteeing high availability for futures trading. • Automation: Automate configuration management and repetitive operational tasks to enhance team productivity. • Troubleshooting: Diagnose and resolve issues related to build ...

Senior Infrastructure Engineer

Hiring Organisation
Randstad Digital
Location
Newcastle Upon Tyne, Tyne and Wear, North East, United Kingdom
Employment Type
Contract, Work From Home
operations or 'maintenance' role. We need a builder-someone who can jump straight into design and delivery, applying NetDevOps principles to support critical, high-availability services. You'll be bridging the gap between traditional networking and modern cloud-integrated infrastructure. Key Responsibilities Design & Implementation: Build and enhance enterprise … Skills (The 'Must-Haves') To be successful, you need deep, hands-on expertise in: Enterprise Network Engineering Complex OSPF & BGP routing. Design of resilient, high-availability traffic flows. Firewall & Security Extensive experience with Palo Alto firewalls. Network segmentation and Zero Trust architecture. Data Center Architecture VXLAN/EVPN ...

Platform Engineer Principal

Hiring Organisation
Walt Disney Imagineering
Location
Glendale, California, United States
Employment Type
Permanent
Salary
USD Annual
enterprise security standards. Design and implement secure infrastructure architectures, including network segmentation, secure access controls, and hybrid production and enterprise environments. Manage and optimize high-availability infrastructure supporting rendering, content creation, and production workflows across server, storage, and network platforms. Conduct risk assessments, vulnerability analysis, and remediation coordination … architectures. Experience implementing Zero Trust principles, network segmentation, and secure access controls across hybrid production and enterprise environments. Experience with building, testing, and delivering high-availability Windows and Linux systems. Experience with data lifecycle management and storage tiering technologies (e.g., AWS Tiering, NetApp FabricPool). Experience with infrastructure ...

Cloud Database Engineer

Hiring Organisation
Charles Simon Associates Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
platform, automation capability, and database estate across critical production systems operating in a true 24/7 environment. Youll work across modern cloud infrastructure, high-availability database environments, Infrastructure as Code, automation, monitoring, and operational improvement projects with real technical autonomy. Location: Remote Salary … Server and CosmosDB Strong Infrastructure as Code (IaC) and Automation Database monitoring and performance tuning SQL replication Deep Azure background Patching, upgrades and maintenance High availability database environments Highly Desirable Skills: Terraform CI/CD pipelines Azure DevOps Kubernetes Cloud automation tooling Leading or mentoring technical teams DevOps ...

Lead Database Administration

Hiring Organisation
Zensar Technologies
Location
Burgess Hill, West Sussex, South East, United Kingdom
Employment Type
Permanent
Salary
£65,000
modern database technologies, along with the ability to drive automation, resiliency, and operational excellence. The ideal candidate will have extensive experience working in high-availability production environments, supporting multiple database engines across on-premises and cloud platforms, and collaborating closely with DevOps, application, and cloud engineering teams. Duties … operations of enterprise database platforms including PostgreSQL, Microsoft SQL Server, SingleStore, Netezza, and distributed databases such as YugabyteDB. Design, implement, and maintain High Availability (HA) and Disaster Recovery (DR) solutions such as SQL Server Always On, log shipping, failover clustering, PostgreSQL replication, and distributed database clusters. Plan ...

Senior IT Network & Infrastructure Engineer

Hiring Organisation
IntaPeople
Location
Pembrokeshire, Crundale, Dyfed, United Kingdom
Employment Type
Permanent
Salary
£45000 - £48000/annum
ownership of their enterprise network environment. This is a hands‑on, senior technical role where you’ll design, build, and optimise a modern, secure, highavailability network across a large and diverse infrastructure. If you’re an experienced network professional who enjoys solving complex problems, leading improvements … facility. As the Senior IT Network & Infrastructure Engineer, you will: Design, implement, and maintain enterprise‑level network architecture (LAN, WAN, WLAN, VPN) Ensure high availability, performance, and scalability of network services Troubleshoot and resolve complex network issues across multiple environments Configure and manage routers, switches, firewalls, and load ...

Splunk Engineer

Hiring Organisation
Sopra Steria
Location
Hemel Hempstead, Hertfordshire, South East, United Kingdom
Employment Type
Permanent
Salary
25 days holidays, 6% Contributory pension, 4 x life Insurance
ingestion, enrichment and schema standardisation. Develop and tune security detection content, translating threat intelligence and TTPs aligned to MITRE ATT&CK into actionable, high-value alerts. Manage the full detection content lifecycle: design, test, deploy, monitor, tune and retire, using version control and rollback processes. Automate workflows and platform …/CD, SOAR, scripting and Infrastructure as Code tools such as Terraform and Ansible. Ensure platform performance, stability and resilience through capacity planning, high availability, disaster recovery and proactive monitoring. Provide technical leadership and guidance to internal teams and clients on security monitoring strategy and best practice. What ...

Infrastructure Analyst

Hiring Organisation
Reed Technology
Location
Manchester, North West, United Kingdom
Employment Type
Permanent
Salary
£40,000
throughout the project lifecycle, from RFP to BAU Act as a point of escalation for complex infrastructure issues Maintain and improve disaster recovery and high-availability solutions Create and maintain technical documentation, test plans and recovery procedures Proactively share knowledge and help move repeatable tasks to the Service … maintenance Microsoft Azure (including Entra ID and application configuration) Windows Server (2016, 2019, 2022) Active Directory, DNS, DHCP, Sites & Services Disaster Recovery and High Availability concepts Networking fundamentals (routing and troubleshooting; basic switching desirable) Monitoring tools (e.g. SolarWinds, SNMP) Strong troubleshooting skills and structured approach to workload management ...

SQL Server Database Developer

Hiring Organisation
Davies Turner
Location
Dartford, Kent, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
data design, performance), with enough operational awareness to work safely in a production environment. SQL Server Database Developer - Key Responsibilities: - Design, develop and maintain high-quality T-SQL including stored procedures, views, functions, tables, and indexes - Proactively analyse and resolve database performance bottlenecks using execution plans, indexing strategies … query refactoring - Optimise high-volume transactional queries, reporting workloads, and data integration jobs - Design and support scalable database patterns suitable for high-availability environments - Support application and integration development through all stages of delivery - Support and promote controlled database changes across Development, Test, and Production environments - Work ...

Network Engineer

Hiring Organisation
Sanderson Government and Defence
Location
Stoke-On-Trent, Staffordshire, West Midlands, United Kingdom
Employment Type
Permanent
technology team based in Stoke-on-Trent. This is an excellent opportunity to play a key role in designing and delivering secure, resilient, and high-performing network infrastructure supporting business-critical services. You'll work with leading technologies including Cisco, Palo Alto, Fortinet, and Dell, helping to strengthen … complex enterprise environment. The Role As a Network Engineer, you will be responsible for the design, implementation, and support of secure network solutions, ensuring high availability, performance, and security across the organisation. You'll collaborate closely with infrastructure, cloud, and cybersecurity teams, contributing to network strategy and supporting ...

AWS Engineer- Platform Resilience

Hiring Organisation
Opus Recruitment Solutions
Location
Cirencester, Gloucestershire, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £500/day InsideIR35
other enterprise SaaS-based backup products. Key responsibilities: Hands-on experience in AWS engineering, SRE or cloud platform roles Strong knowledge of AWS resilience, availability, backup and recovery services Experience with AWS Resilience Hub, AWS Backup, S3, EBS, EFS, FSx and related storage technologies Experience or active interest … chaos testing, failure injection, operational resilience testing, or cyber resilience Understanding of disaster recovery, RTO/RPO, high availability and workload recovery patterns Exposure to third-party backup SaaS products Financial Services or other high availability sector experience ideal AWS Engineer- Platform resilience & Hardening (SRE) | £(Apply ...

Lead Systems Developer

Hiring Organisation
Rise Technical Recruitment
Location
Redhill, Surrey, United Kingdom
Employment Type
Permanent
build and own mission critical systems used across global communications networks? This is a senior, hands on role within an Enterprise technology team delivering high availability, value added services across satellite, mobile and terrestrial networks. You will take a lead role in system design and development, working with … infrastructure. The Role: Lead system design and development of Linux based software solutions Develop and maintain in house platforms including VoIP, email, security and high availability services Manage CI/CD pipelines, version control and Agile workflows Mentor and support Developers and Graduate Developers Work closely with product ...

Database Administrator

Hiring Organisation
Zensar Technologies
Location
Burgess Hill, West Sussex, South East, United Kingdom
Employment Type
Permanent
Salary
£65,000
large, mission-critical enterprise databases. This role is ideal for a senior database professional who thrives in production environments, enjoys solving complex performance and availability challenges, and works closely with application, infrastructure, and vendor teams. The position involves end-to-end database ownership across production, development, and test environments … with a strong focus on stability, performance, high availability, and continuous improvement. Duties and Responsibilities DB2 Database Administration Administer and support large-scale DB2 UDB (LUW) databases in production and non-production environments (multi-TB databases). Perform installation, upgrades, fix packs, and patching for DB2 instances. Manage ...

Database Administrator (SQL DBA)

Hiring Organisation
Akkodis
Location
Prudhoe, Northumberland, United Kingdom
Employment Type
Permanent
Salary
£40000 - £45000/annum
data. Our client is a tech-driven organisation operating at the heart of the UK digital ecosystem, supporting thousands of businesses through a complex, high-availability platform. Behind the scenes, robust data infrastructure is critical - and that's where you come in. We're looking for an experienced … improvement, this could be a great fit. What you'll be doing Install, configure, and maintain SQL Server (and some MySQL) environments Monitor performance, availability, and capacity Troubleshoot and resolve complex database incidents Remediate legacy SQL environments Maintain backup and recovery strategies Provide 2nd and 3rd line support Collaborate ...

Database Administrator (SQL DBA)

Hiring Organisation
Akkodis
Location
Nelson, Lancashire, United Kingdom
Employment Type
Permanent
Salary
£40000 - £45000/annum
data. Our client is a tech-driven organisation operating at the heart of the UK digital ecosystem, supporting thousands of businesses through a complex, high-availability platform. Behind the scenes, robust data infrastructure is critical - and that's where you come in. We're looking for an experienced … improvement, this could be a great fit. What you'll be doing Install, configure, and maintain SQL Server (and some MySQL) environments Monitor performance, availability, and capacity Troubleshoot and resolve complex database incidents Remediate legacy SQL environments Maintain backup and recovery strategies Provide 2nd and 3rd line support Collaborate ...

Database Administrator (SQL DBA)

Hiring Organisation
Akkodis
Location
Hessle, East Riding of Yorkshire, United Kingdom
Employment Type
Permanent
Salary
£40000 - £45000/annum
data. Our client is a tech-driven organisation operating at the heart of the UK digital ecosystem, supporting thousands of businesses through a complex, high-availability platform. Behind the scenes, robust data infrastructure is critical - and that's where you come in. We're looking for an experienced … improvement, this could be a great fit. What you'll be doing Install, configure, and maintain SQL Server (and some MySQL) environments Monitor performance, availability, and capacity Troubleshoot and resolve complex database incidents Remediate legacy SQL environments Maintain backup and recovery strategies Provide 2nd and 3rd line support Collaborate ...