1 to 25 of 372 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/ ...

Java Software Engineer

Hiring Organisation
Primis
Location
United Kingdom
excellent fit. The Role As a Software Engineer, you will design and develop backend services, APIs, and portal systems that operate within high-availability payment processing platforms. Working within a dynamic development centre, you’ll engage with modern frameworks, tools, and engineering practices including: Behaviour-Driven Development … larger squad, always empowered to concentrate on solving technical problems rather than navigating inefficient processes. Key Responsibilities Translate merchant and partner needs into high-quality, scalable backend solutions Design and build robust Java-based systems and RESTful APIs Improve development processes through automation, simplification, and applied engineering experience Collaborate ...

Global Banking & Markets - Software Engineer - Vice President - London

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
idioms, while meeting the diverse and often complex business requirements of a global 24×7 trading operation, while balancing stringent non‐functional demands for availability, latency, and resilience. Critically, you will lean heavily into AI‐driven development. Using Goldman Sachs' AI tooling and agentic coding assistants, you will govern … magnitude higher volumes at lower operational costs, directly contributing to the firm's competitive and commercial edge. Build for the future : Design and implement highavailability, multi‐region, event‐driven services on a modern cloud‐native platform, setting the architectural standard for years to come. What You Will ...

Global Banking & Markets - Software Engineer - Vice President - London

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
production idioms, while meeting the diverse and often complex business requirements of a global 24x7 trading operation, while balancing stringent non‐functional demands for availability, latency, and resilience. Critically, you will lean heavily into AI‐driven development. Using Goldman Sachs' AI tooling and agentic coding assistants, you will govern … magnitude higher volumes at lower operational costs, directly contributing to the firm's competitive and commercial edge. Build for the future : Design and implement highavailability, multi‐region, event‐driven services on a modern cloud‐native platform, setting the architectural standard for years to come. What You Will ...

Senior Database Engineer

Hiring Organisation
Zensar Technologies
Location
Burgess Hill, West Sussex, South East, United Kingdom
Employment Type
Permanent
Salary
£65,000
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 ...

Unix Engineer

Hiring Organisation
TXP Technology x People
Location
Cumbria, England, United Kingdom
Employment Type
Contractor
Contract Rate
£0 per annum
candidate will support and enhance enterprise level UNIX infrastructure, with a strong focus on Oracle Solaris platforms, LDOM virtualisation, and the delivery of resilient, high availability systems. The role will involve system administration, platform optimisation, and migration activities, working closely with infrastructure and application teams to maintain performance … manage, and support LDOMs (Logical Domains) within a virtualised infrastructure Deliver UNIX system migrations and upgrades, ensuring minimal disruption and risk Design and implement high-availability and resilience solutions, including clustering and failover Monitor system performance, identify issues, and carry out advanced troubleshooting Collaborate with infrastructure, network ...

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 ...

RabbitMQ Messaging Specialist

Hiring Organisation
Talent Smart Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 650 Daily
distributed systems Configure and manage RabbitMQ clusters, exchanges, queues, bindings, and policies Troubleshoot complex messaging issues including performance bottlenecks, message loss, and latency Implement high availability, failover, and disaster recovery strategies for RabbitMQ environments Develop automation scripts and tooling using PowerShell and Python to support deployment, monitoring … RabbitMQ in enterprise-scale environments Strong understanding of messaging patterns (pub/sub, work queues, routing, RPC) Solid experience managing RabbitMQ in clustered and high-availability configurations Strong Scripting and automation skills in PowerShell Strong development capability in Python for tooling, automation, and integration Experience with REST APIs ...

DevOps Engineer

Hiring Organisation
Enso Recruitment
Location
Belfast, Northern Ireland, United Kingdom
releases Work with Docker and Kubernetes to manage and scale containerised applications Monitor system performance using tools such as CloudWatch, Prometheus, or similar , ensuring high availability and reliability Identify and resolve infrastructure issues, performance bottlenecks, and deployment challenges Support testing automation , working with engineering teams to integrate tests … teams to support build, release, and infrastructure requirements Contribute to infrastructure optimisation , scalability, and cost efficiency across cloud environments Support best practices across security, high availability, and disaster recovery About You Experience in a DevOps or Cloud Engineering role Strong experience with CI/CD tools and practices ...

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 ...

Java Software Engineer

Hiring Organisation
Randstad Digital
Location
Burgess Hill, England, United Kingdom
Location: Burgess Hill (Hybrid: 3 days per week onsite MUST ) Level: Mid-Senior (Up to 5 years experience) Are you passionate about building high-availability, distributed systems? We are looking for a Java Backend Engineer to join our GNST POD in Burgess Hill. … development standards. You will contribute to the design, debugging, and deployment of robust systems using modern distributed frameworks. Key Responsibilities: Build & Scale: Develop high-quality software using Java 11/17 and Spring Boot. Quality First: Participate in code reviews, TDD, and automated testing (Cucumber/JMeter). DevOps ...

Network Engineer

Hiring Organisation
Aubay UK
Location
Liverpool, England, United Kingdom
networks - to focus on managing, optimising, and securing campus network infrastructure in Liverpool, covering LAN, WiFi, and firewall environments. The successful candidate will ensure high availability, strong performance, and robust security while driving continuous improvement, innovation, and operational excellence across network services. This is a remote position, requiring … improvement & proactive problem-solving. Experience validating operational plans & managing infrastructure lifecycle activities. Roles and Responsibilities: Oversee & manage campus LAN/WiFi infrastructure to ensure high availability, scalability, & security. Design, deploy, & maintain LAN/WiFi networks & firewall solutions. Monitor & optimise network performance, ensuring seamless connectivity for users. Implement tools ...

Senior IT Support Engineer

Hiring Organisation
Vertech Group (UK) Ltd
Location
Euston, Norfolk, United Kingdom
Employment Type
Permanent
Salary
GBP 55,000 - 65,000 Annual
+ Bonus + Benefits A growing Top Tech Company is looking to add Senior IT Support Engineers to its operations team supporting large-scale, high-availability production platforms used globally This is a hands-on infrastructure role supporting high-availability Windows Server and cloud environments within ...

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 ...

SC Cleared Wintel Engineer

Hiring Organisation
fortice
Location
Barrow-in-furness, Cumbria, United Kingdom
Employment Type
Contract
Contract Rate
GBP 485 Daily
that's based Barrow-in-Furness. Role Description: The Wintel Engineer will be responsible for managing and supporting enterprise Windows and VMware environments, ensuring high availability, resilience, and performance. This role involves advanced virtualization, storage replication, and network integration. Key Responsibilities Administer and maintain VMware ESXi hosts, clusters … SRDF Metro and storage replication technologies. Familiarity with Cisco ACI and network virtualization concepts. Expertise in Windows Server administration and clustering. Understanding of high availability and disaster recovery strategies. Experience in large-scale enterprise environments. Security Clearance Must hold SC clearance Must be UK British National (not dual ...

Director of Technology Infrastructure and Cybersecurity

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
IFRS Foundation's global technology environment, ensuring alignment with corporate objectives. Supporting 350 staff across six countries, the role ensures resilient, secure, and high‐performing services in a 24x7 operational model. Combining strategic oversight with operational accountability, the Director is responsible for infrastructure, end‐user computing, AV, cybersecurity … digital workplace and security operations, providing technical leadership to optimise the performance and cost base of the services. Operational Excellence (24x7 Global Environment) Ensure high availability and performance of all core systems supporting a 24x7 international operation. Establish and monitor SLAs, KPIs, and operational metrics to maintain service ...

Senior Linux/Oracle DBA

Hiring Organisation
Proactive Appointments
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 70,000 - 80,000 Annual
Linux/AIX systems , ideally gained within a banking or financial services environment . You'll be responsible for ensuring the stability, performance, and availability of business-critical banking and finance applications, working closely with senior IT stakeholders and wider application teams. Key Responsibilities Administer, maintain, and optimise Oracle … Linux (RHEL/Oracle Linux) and AIX environments hosted on IBM Power 10 infrastructure Perform system upgrades, patching, performance tuning, and capacity planning Support high availability and disaster recovery solutions using Oracle RAC, ASM, RMAN, and Data Guard Collaborate with application and infrastructure teams to resolve complex production ...

SIEM 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
Location
Manchester, Lancashire, England, United Kingdom
Employment Type
Full-Time
Salary
£35,000 - £40,000 per annum, Negotiable
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 … Technologies: VMware management and maintenance Microsoft Azure (including Entra ID and application configuration) Windows Server () 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 ...

SQL Server & Infrastructure Engineer

Hiring Organisation
The Recruitment Bureau (Kent) Ltd
Location
Northampton, Northamptonshire, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
Server and Infrastructure Engineer Northampton (Rural High-Tech Site) | Full Time | Permanent | Office Based The Opportunity My client is a UK based innovator in advanced security and intelligence technology, designing and manufacturing products that are trusted by law enforcement and government agencies around the world. From Technical Surveillance Counter … very top of their field. They are now looking for a Database and Infrastructure Engineer to join their team at their rural high-tech headquarters near Northampton. This is a unique role that bridges Database Administration and Systems Engineering, built for someone who thrives on variety, ownership and real ...

Oracle Database Administrator

Hiring Organisation
Talent Locker
Location
Reading, Berkshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £650 per day
appointment. Overview Are you an experienced Oracle Database Administrator (DBA) looking to support, manage, and optimise mission-critical Oracle database environments within a high-security public sector organisation? This role requires strong technical capability and experience working in secure and regulated environments. Key Responsibilities Install, configure, patch, upgrade … RMAN, including disaster recovery processes Monitor database performance and deliver tuning and optimisation activities Administer users, roles, privileges, auditing, and database security controls Support high availability solutions including Oracle RAC and Data Guard Troubleshoot incidents and provide on-call support where required Ensure compliance with security standards ...

SQL Server Database Developer

Hiring Organisation
Davies Turner
Location
Dartford, Kent, South East, United Kingdom
Employment Type
Permanent, Work From Home
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 ...

PostgreSQL DBA

Hiring Organisation
Levy Global
Location
City of London, London, United Kingdom
contractor to join a highly technical infrastructure team supporting complex production environments. Key responsibilities: PostgreSQL database administration and production support Performance tuning and optimisation High availability, replication, backup & disaster recovery Monitoring and troubleshooting database issues Supporting migrations/upgrades and platform improvements Working closely with infrastructure and engineering … automation tooling exposure beneficial Looking for: Strong hands-on PostgreSQL DBA experience, Ideally over 7 years of experience Experience supporting large-scale or high-availability environments Good understanding of query performance and PostgreSQL internals Comfortable working in fast-paced engineering-driven environments Great Communication skills ...