High Availability Jobs in the UK

476 to 500 of 602 High Availability Jobs in the UK

Principal Site Reliability Engineer | Stealth Fintech | London | Up to £180k + Equity

City of London, London, United Kingdom
Maze
compliance (SOC2, ISO 27001) Define IaC foundations (Terraform, GitOps, Helm) What We're Looking For: Expert with Kubernetes and Distributed Systems Experience building production infrastructure at scale (multi-region, high-availability) Extensive experience building both on-Prem & Cloud infrastructure at scale from scratch. Strong SRE mindset: SLOs, SLIs, incident response AI-curious or AI-native: excited to build … Development experience (Bonus points for Go(Golang)) Bonus: background in financial systems, core banking, or regulated infra Why join: Huge ownership: build core infra from scratch. Work with a high-caliber team, fast-paced and product-minded founders who have worked in some of the most recognised tech businesses in the world. Help define an open-source platform from … day one. Clear path to tech unicorn status with fruitful equity included. Recently raised 8 figures in funding. If your skillset matches, apply within. Please note: Due to the high volume of applications we are not always able to respond to all applicants, if you have not had a response within 7 days of your application it is likely More ❯
Posted:

Principal Site Reliability Engineer | Stealth Fintech | London | Up to £180k + Equity

london, south east england, united kingdom
Maze
compliance (SOC2, ISO 27001) Define IaC foundations (Terraform, GitOps, Helm) What We're Looking For: Expert with Kubernetes and Distributed Systems Experience building production infrastructure at scale (multi-region, high-availability) Extensive experience building both on-Prem & Cloud infrastructure at scale from scratch. Strong SRE mindset: SLOs, SLIs, incident response AI-curious or AI-native: excited to build … Development experience (Bonus points for Go(Golang)) Bonus: background in financial systems, core banking, or regulated infra Why join: Huge ownership: build core infra from scratch. Work with a high-caliber team, fast-paced and product-minded founders who have worked in some of the most recognised tech businesses in the world. Help define an open-source platform from … day one. Clear path to tech unicorn status with fruitful equity included. Recently raised 8 figures in funding. If your skillset matches, apply within. Please note: Due to the high volume of applications we are not always able to respond to all applicants, if you have not had a response within 7 days of your application it is likely More ❯
Posted:

Principal Site Reliability Engineer | Stealth Fintech | London | Up to £180k + Equity

slough, south east england, united kingdom
Maze
compliance (SOC2, ISO 27001) Define IaC foundations (Terraform, GitOps, Helm) What We're Looking For: Expert with Kubernetes and Distributed Systems Experience building production infrastructure at scale (multi-region, high-availability) Extensive experience building both on-Prem & Cloud infrastructure at scale from scratch. Strong SRE mindset: SLOs, SLIs, incident response AI-curious or AI-native: excited to build … Development experience (Bonus points for Go(Golang)) Bonus: background in financial systems, core banking, or regulated infra Why join: Huge ownership: build core infra from scratch. Work with a high-caliber team, fast-paced and product-minded founders who have worked in some of the most recognised tech businesses in the world. Help define an open-source platform from … day one. Clear path to tech unicorn status with fruitful equity included. Recently raised 8 figures in funding. If your skillset matches, apply within. Please note: Due to the high volume of applications we are not always able to respond to all applicants, if you have not had a response within 7 days of your application it is likely More ❯
Posted:

Principal Site Reliability Engineer | Stealth Fintech | London | Up to £180k + Equity

london (city of london), south east england, united kingdom
Maze
compliance (SOC2, ISO 27001) Define IaC foundations (Terraform, GitOps, Helm) What We're Looking For: Expert with Kubernetes and Distributed Systems Experience building production infrastructure at scale (multi-region, high-availability) Extensive experience building both on-Prem & Cloud infrastructure at scale from scratch. Strong SRE mindset: SLOs, SLIs, incident response AI-curious or AI-native: excited to build … Development experience (Bonus points for Go(Golang)) Bonus: background in financial systems, core banking, or regulated infra Why join: Huge ownership: build core infra from scratch. Work with a high-caliber team, fast-paced and product-minded founders who have worked in some of the most recognised tech businesses in the world. Help define an open-source platform from … day one. Clear path to tech unicorn status with fruitful equity included. Recently raised 8 figures in funding. If your skillset matches, apply within. Please note: Due to the high volume of applications we are not always able to respond to all applicants, if you have not had a response within 7 days of your application it is likely More ❯
Posted:

Networking Specialist

London, South East, England, United Kingdom
Hybrid / WFH Options
Ncounter
Global Financial Services/Institutional Asset Management Clearance: Right to work in the UK required A globally recognised financial institution is hiring a Core Networking Specialist to join its high-performance infrastructure team. This firm plays a critical role in global markets, offering integrated investment services to institutional clients and managing trillions in assets. Known for its pioneering work … global operations. This role covers enterprise networking across data centres, campuses, and cloud environments - balancing performance, scale, and resilience in demanding financial settings. Key Responsibilities Design and implement scalable, high-availability network solutions (LAN, WAN, Campus, Cloud). Translate requirements into robust, well-documented architectures. Lead network delivery projects; coordinate with vendors and internal teams. Provide L3 escalation … Arista/Cisco; strong troubleshooting tools (Wireshark, netcat, etc.). Familiar with network security, automation (Python, Ansible), and observability stacks (Prometheus, Grafana). Excellent communicator with experience delivering in high-stakes, collaborative settings. STEM degree and CCNP/CCIE preferred. Why Join? Join a trusted global institution where networking is core to performance. You’ll work on critical infrastructure More ❯
Employment Type: Full-Time
Salary: £160,000 - £180,000 per annum
Posted:

Senior Engineer - Network & Connectivity

Birmingham, England, United Kingdom
Addition+
About the Role We are seeking an experienced Senior Networking and Connectivity Engineer to join a highly skilled team. This role is critical in designing, implementing, and maintaining secure, high-performance network infrastructures across multiple environments. The ideal candidate will have deep expertise in Internet Protocol (IP) networking and hands-on experience with Next-Generation Firewalls (NGFW) from multiple … a 24/7 operational environment requiring a 4 on/4 off shift pattern , including night shifts . Key Responsibilities Design, deploy, and manage enterprise network solutions, ensuring high availability and security. Configure, maintain, and troubleshoot NGFW platforms including Fortinet FortiGate, Palo Alto Networks, Juniper, and/or Cisco Firepower . Implement and optimise routing, switching, and More ❯
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Senior Java Software Engineer

City of London, London, United Kingdom
Harrington Starr
Kubernetes (K8s) infrastructure. As a key member of the team, you will: Design and implement components of their new Cash Equity and Electronic Execution Platform. Guarantee the system's high availability for global equity market trading. Craft bespoke trading workflows tailored to the specific needs of demanding clients across multiple trading desks. Engineer and optimize systems for dynamic … in software engineering, with a focus on modern software design, architectural patterns, and performance optimization (throughput, latency, capacity). Expert-level proficiency in Java, particularly in the development of high-performance, low-latency, and microservice-based real-time trading applications. Deep understanding of trading systems, including integration with reference and market data systems, ideally within equity trading using OMS More ❯
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Senior Java Software Engineer

London Area, United Kingdom
Harrington Starr
Kubernetes (K8s) infrastructure. As a key member of the team, you will: Design and implement components of their new Cash Equity and Electronic Execution Platform. Guarantee the system's high availability for global equity market trading. Craft bespoke trading workflows tailored to the specific needs of demanding clients across multiple trading desks. Engineer and optimize systems for dynamic … in software engineering, with a focus on modern software design, architectural patterns, and performance optimization (throughput, latency, capacity). Expert-level proficiency in Java, particularly in the development of high-performance, low-latency, and microservice-based real-time trading applications. Deep understanding of trading systems, including integration with reference and market data systems, ideally within equity trading using OMS More ❯
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Senior Java Software Engineer

slough, south east england, united kingdom
Harrington Starr
Kubernetes (K8s) infrastructure. As a key member of the team, you will: Design and implement components of their new Cash Equity and Electronic Execution Platform. Guarantee the system's high availability for global equity market trading. Craft bespoke trading workflows tailored to the specific needs of demanding clients across multiple trading desks. Engineer and optimize systems for dynamic … in software engineering, with a focus on modern software design, architectural patterns, and performance optimization (throughput, latency, capacity). Expert-level proficiency in Java, particularly in the development of high-performance, low-latency, and microservice-based real-time trading applications. Deep understanding of trading systems, including integration with reference and market data systems, ideally within equity trading using OMS More ❯
Posted:

Senior Java Software Engineer

london, south east england, united kingdom
Harrington Starr
Kubernetes (K8s) infrastructure. As a key member of the team, you will: Design and implement components of their new Cash Equity and Electronic Execution Platform. Guarantee the system's high availability for global equity market trading. Craft bespoke trading workflows tailored to the specific needs of demanding clients across multiple trading desks. Engineer and optimize systems for dynamic … in software engineering, with a focus on modern software design, architectural patterns, and performance optimization (throughput, latency, capacity). Expert-level proficiency in Java, particularly in the development of high-performance, low-latency, and microservice-based real-time trading applications. Deep understanding of trading systems, including integration with reference and market data systems, ideally within equity trading using OMS More ❯
Posted:

Senior Java Software Engineer

london (city of london), south east england, united kingdom
Harrington Starr
Kubernetes (K8s) infrastructure. As a key member of the team, you will: Design and implement components of their new Cash Equity and Electronic Execution Platform. Guarantee the system's high availability for global equity market trading. Craft bespoke trading workflows tailored to the specific needs of demanding clients across multiple trading desks. Engineer and optimize systems for dynamic … in software engineering, with a focus on modern software design, architectural patterns, and performance optimization (throughput, latency, capacity). Expert-level proficiency in Java, particularly in the development of high-performance, low-latency, and microservice-based real-time trading applications. Deep understanding of trading systems, including integration with reference and market data systems, ideally within equity trading using OMS More ❯
Posted:

Software Project Manager

Poole, Dorset, England, United Kingdom
Hybrid / WFH Options
Mexa Solutions LTD
and you know how to keep everyone aligned, informed, and moving forward. This is your opportunity to join a fast-growing software company in Poole, leading the delivery of high-impact projects that directly shape their product portfolio and customer experience. You’ll work across the full SDLC, helping translate ideas into working software all while juggling timelines, risk … and leadership skills Familiar with tools like JIRA, SharePoint, Microsoft Project and cloud-native platforms like AWS Bonus points for experience in software implementations involving integration, change management, or high-availability platforms If you're looking for a role where you can take real ownership of software delivery and work in a collaborative, agile environment where your decisions More ❯
Employment Type: Full-Time
Salary: £55,000 - £60,000 per annum
Posted:

Product Lifecycle Management Consultant

newport, wales, united kingdom
Hybrid / WFH Options
Atos
About Atos Atos is a global leader in digital transformation with c. 78,000 employees and annual revenue of c. € 10 billion. European number one in cybersecurity, cloud and high-performance computing, the Group provides tailored end-to-end solutions for all industries in 68 countries. A pioneer in decarbonization services and products, Atos is committed to a secure … working with Competency Leads to introduce and develop Atos Industry 360 offerings. Requirements: Proven experience in installing, configuring, testing, deploying, supporting and upgrading Siemens Teamcenter solutions in multi-tier, high-availability, clustered, and secure environments. Configuration and administration experience with relevant applications, including Organization, Preference Management, Workflow, Access Manager, Query Builder, PLMXML, and Teamcenter utilities including IPS data More ❯
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Product Lifecycle Management Consultant

Greater Bristol Area, United Kingdom
Hybrid / WFH Options
Atos
About Atos Atos is a global leader in digital transformation with c. 78,000 employees and annual revenue of c. € 10 billion. European number one in cybersecurity, cloud and high-performance computing, the Group provides tailored end-to-end solutions for all industries in 68 countries. A pioneer in decarbonization services and products, Atos is committed to a secure … working with Competency Leads to introduce and develop Atos Industry 360 offerings. Requirements: Proven experience in installing, configuring, testing, deploying, supporting and upgrading Siemens Teamcenter solutions in multi-tier, high-availability, clustered, and secure environments. Configuration and administration experience with relevant applications, including Organization, Preference Management, Workflow, Access Manager, Query Builder, PLMXML, and Teamcenter utilities including IPS data More ❯
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Product Lifecycle Management Consultant

bath, south west england, united kingdom
Hybrid / WFH Options
Atos
About Atos Atos is a global leader in digital transformation with c. 78,000 employees and annual revenue of c. € 10 billion. European number one in cybersecurity, cloud and high-performance computing, the Group provides tailored end-to-end solutions for all industries in 68 countries. A pioneer in decarbonization services and products, Atos is committed to a secure … working with Competency Leads to introduce and develop Atos Industry 360 offerings. Requirements: Proven experience in installing, configuring, testing, deploying, supporting and upgrading Siemens Teamcenter solutions in multi-tier, high-availability, clustered, and secure environments. Configuration and administration experience with relevant applications, including Organization, Preference Management, Workflow, Access Manager, Query Builder, PLMXML, and Teamcenter utilities including IPS data More ❯
Posted:

Product Lifecycle Management Consultant

bradley stoke, south west england, united kingdom
Hybrid / WFH Options
Atos
About Atos Atos is a global leader in digital transformation with c. 78,000 employees and annual revenue of c. € 10 billion. European number one in cybersecurity, cloud and high-performance computing, the Group provides tailored end-to-end solutions for all industries in 68 countries. A pioneer in decarbonization services and products, Atos is committed to a secure … working with Competency Leads to introduce and develop Atos Industry 360 offerings. Requirements: Proven experience in installing, configuring, testing, deploying, supporting and upgrading Siemens Teamcenter solutions in multi-tier, high-availability, clustered, and secure environments. Configuration and administration experience with relevant applications, including Organization, Preference Management, Workflow, Access Manager, Query Builder, PLMXML, and Teamcenter utilities including IPS data More ❯
Posted:

Infrastructure Manager

birmingham, midlands, united kingdom
Gleeson Recruitment Group
premise systems, networking, storage, security and platform operations. The ideal candidate is a hands-on leader with a strategic mindset, capable of aligning diverse technical teams into a cohesive, high-performing unit that supports the organisation's goals with stability, efficiency, and forward-thinking innovation. Key Responsibilities: Team Leadership & Development Lead, mentor, and develop a multidisciplinary infrastructure team of … professionals. Foster a collaborative, accountable, and high-performance culture across infrastructure functions. Set clear objectives, provide ongoing feedback, and conduct performance reviews. Unifying Infrastructure Functions Align and integrate disparate infrastructure teams into a single, cohesive unit. Standardise processes, tools, and best practices across infrastructure domains. Establish a shared vision and direction for infrastructure services within the organisation. Strategic Planning … support organisational growth and technology objectives. Identify and implement opportunities for automation, cost savings, performance improvement, and scalability. Own capacity planning, infrastructure budgeting, and vendor management. Operational Excellence Ensure high availability, performance, and security of all infrastructure services. Oversee incident response and root cause analysis for infrastructure-related issues. Monitor KPIs and SLAs, ensuring service delivery meets or More ❯
Posted:

Infrastructure Manager

United Kingdom
Gleeson Recruitment Group
premise systems, networking, storage, security and platform operations. The ideal candidate is a hands-on leader with a strategic mindset, capable of aligning diverse technical teams into a cohesive, high-performing unit that supports the organisation's goals with stability, efficiency, and forward-thinking innovation. Key Responsibilities: Team Leadership & Development Lead, mentor, and develop a multidisciplinary infrastructure team of … professionals. Foster a collaborative, accountable, and high-performance culture across infrastructure functions. Set clear objectives, provide ongoing feedback, and conduct performance reviews. Unifying Infrastructure Functions Align and integrate disparate infrastructure teams into a single, cohesive unit. Standardise processes, tools, and best practices across infrastructure domains. Establish a shared vision and direction for infrastructure services within the organisation. Strategic Planning … support organisational growth and technology objectives. Identify and implement opportunities for automation, cost savings, performance improvement, and scalability. Own capacity planning, infrastructure budgeting, and vendor management. Operational Excellence Ensure high availability, performance, and security of all infrastructure services. Oversee incident response and root cause analysis for infrastructure-related issues. Monitor KPIs and SLAs, ensuring service delivery meets or More ❯
Employment Type: Permanent
Salary: GBP 75,000 - 80,000 Annual
Posted:

Infrastructure Manager

West Midlands, England, United Kingdom
Gleeson Recruitment Group
premise systems, networking, storage, security and platform operations. The ideal candidate is a hands-on leader with a strategic mindset, capable of aligning diverse technical teams into a cohesive, high-performing unit that supports the organisation's goals with stability, efficiency, and forward-thinking innovation. Key Responsibilities: Team Leadership & Development Lead, mentor, and develop a multidisciplinary infrastructure team of … professionals. Foster a collaborative, accountable, and high-performance culture across infrastructure functions. Set clear objectives, provide ongoing feedback, and conduct performance reviews. Unifying Infrastructure Functions Align and integrate disparate infrastructure teams into a single, cohesive unit. Standardise processes, tools, and best practices across infrastructure domains. Establish a shared vision and direction for infrastructure services within the organisation. Strategic Planning … support organisational growth and technology objectives. Identify and implement opportunities for automation, cost savings, performance improvement, and scalability. Own capacity planning, infrastructure budgeting, and vendor management. Operational Excellence Ensure high availability, performance, and security of all infrastructure services. Oversee incident response and root cause analysis for infrastructure-related issues. Monitor KPIs and SLAs, ensuring service delivery meets or More ❯
Employment Type: Full-Time
Salary: £75,000 - £80,000 per annum
Posted:

Software Engineer - Systems

City of London, London, United Kingdom
Randstad Digital
Systems Software Engineer (Python) Are you a top-tier Software Engineer with a passion for high-performance systems and a knack for solving complex infrastructure challenges? We are seeking an elite developer to join a rapidly growing, highly respected HFT company that operates at the cutting edge of its industry. This isn't a typical infrastructure support role. Our … core member of an infrastructure engineering team, focusing on developing, maintaining, and scaling the critical systems that power operations. Your primary tool will be Python, used to build robust, high-availability solutions that support their technology ecosystem. What We're Looking For: We are specifically targeting engineers who possess a world-class blend of software development and systems …/Tier-2 technology company known for demanding technical standards. Proven ability to tackle and resolve deep, complex infrastructure and OS-level issues. If you have a background in high-speed, data-intensive environments-including highly performant infrastructure in tech, gaming, or financial trading, we want to hear from you. Why Join? This is a chance to step into More ❯
Employment Type: Permanent
Posted:

.NET Developer

Hertford, Hertfordshire, England, United Kingdom
Hybrid / WFH Options
Noir
within the music industry, is seeking .NET Developer to work out of their plush offices in the heart of Hertford, Hertfordshire. 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 ❯
Employment Type: Full-Time
Salary: £45,000 - £70,000 per annum
Posted:

.NET Developer

Bradford, West Yorkshire, England, United Kingdom
Hybrid / WFH Options
Noir
brands within the music industry, is seeking .NET Developer to work out of their plush offices in the heart of Bradford. 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 ❯
Employment Type: Full-Time
Salary: £45,000 - £70,000 per annum
Posted:

.NET Developer

City of London, London, England, United Kingdom
Hybrid / WFH Options
Noir
music industry, is seeking .NET Developer to work out of their plush offices in the heart of London's West End. 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 ❯
Employment Type: Full-Time
Salary: £40,000 - £60,000 per annum
Posted:

.NET Developer

Old Trafford, Manchester, Lancashire, England, United Kingdom
Hybrid / WFH Options
Noir
brands within the music industry, is seeking .NET Developer to work out of their plush offices in the heart of Salford. 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 ❯
Employment Type: Full-Time
Salary: £45,000 - £70,000 per annum
Posted:

Linux Engineer

London, United Kingdom
Hybrid / WFH Options
VIQU IT
and maintain automation scripts using Ansible or Puppet Support system builds, deployments, and configuration changes Contribute to CI/CD pipelines and DevOps workflows Monitor system performance and ensure high availability Troubleshoot and resolve system and application issues Collaborate with cross-functional teams to support infrastructure initiatives The Linux Engineer role is mostly remote with ad hoc travel More ❯
Employment Type: Contract
Rate: GBP 450 - 550 Daily
Posted:
High Availability
10th Percentile
£42,500
25th Percentile
£52,500
Median
£70,000
75th Percentile
£88,875
90th Percentile
£110,000