Platform & Performance Engineer

Reference: 67567_1770828069

Job Title: Platform & Performance Support Engineer

Location: Dublin, Ireland (Hybrid)
Contract Type: 11 Months Contract

Role Overview

We are seeking a Platform & Performance Support Engineer to manage and resolve the most complex technical issues related to system performance, availability, and scalability within an enterprise SaaS environment. This role acts as the final escalation point within technical support and plays a key role in mentoring junior engineers.

This is a customer-facing role, requiring strong communication skills alongside deep technical expertise. The successful candidate will quickly build strong platform knowledge and work closely with high-value customers, administrators, and development teams to ensure system stability and customer satisfaction.

Key Responsibilities

  • Act as the final escalation point for complex performance and availability-related technical issues.
  • Diagnose and resolve issues related to system degradation, scalability, and uptime.
  • Analyse logs, metrics, and database performance to identify root causes and propose long-term fixes.
  • Mentor and guide junior support engineers across troubleshooting techniques and best practices.
  • Work directly with customers to communicate findings, solutions, and preventive recommendations.
  • Collaborate with engineering, infrastructure, and operations teams on critical incidents.
  • Participate in on-call rotations, including evenings and weekends, as required.
  • Maintain high standards of documentation, case hygiene, and knowledge sharing.

Required Skills & Experience

  • 5+ years of hands-on experience in technical or platform support roles.
  • Proven ability to troubleshoot complex, high-impact technical issues.
  • Strong experience with relational databases (e.g., MySQL, Oracle), including query analysis and tuning.
  • Hands-on experience with Java and ability to read/debug object-oriented code.
  • Experience with one or more scripting languages: JavaScript, Python, Perl, UNIX Shell, Windows Shell.
  • Advanced experience administering and troubleshooting Linux/UNIX systems.
  • Solid understanding of web application architecture and components.
  • Experience diagnosing performance degradation (e.g., explain plans, database tuning).
  • Strong understanding of basic networking concepts and system administration.
  • Ability to work independently while collaborating effectively within a team.
  • Excellent time management and prioritisation skills.
  • Strong customer focus with a commitment to quality and service excellence.

GCS is acting as an Employment Business in relation to this vacancy.

COMPETITIVE SALARY

Ireland

Contract

Added 11/02/2026
Reference: 67567_1770828069

Platform & Performance Engineer

Ireland
Contract

Other similar jobs

Senior Software Engineer/Data Platform Engineer (Databricks, Graph, APIs)

Added 30/04/2026

Senior Software Engineer / Data Platform Engineer (Databricks, Graph, APIs)Location: Philadelphia, PA The team sits within the network technology organisation and is responsible for building advanced data platforms that support digital twin capabilities across the access network. The group combines network design data, telemetry, mapping technologies, and graph intelligence to improve troubleshooting, planning, operational efficiency, and market competitiveness.The team works on highly scalable engineering products including large data pipelines, graph databases, APIs, and mapping platforms. Their work enables smarter network decisions, faster fault resolution, and better use of operational resources.This is a technically strong team focused on solving complex real-world...

Learn more

IAM/Platform Engineer/Developer

Added 06/05/2026

Responsibilities will includeExperience automating application build, configuration, and maintenance within a Windows environmentStrong Ansible, PowerShell, Github and REST skillsStrong Windows operating system experience knowledgeStrong troubleshooting skillsProven experience of working in a global scale highly regulated environment with focus on security, resilience, and automationStrong skills in Windows operating systems and support of large infrastructures at a senior levelStrong experience in developing with at least one scripting languageCandidates should be self-motivated, able to work on tasks unsupervised and have strong communication skillsBe a positive team player working as part of a large programmeBe Accountable for deliverables and proven track record of delivering...

Learn more

Rabbit MQ SME/Platform/DevOps Engineer

Added 01/05/2026

Role OverviewYou will be part of a high-impact engineering team working on a global Privileged Access Management (PAM) transformation programme. RabbitMQ plays a critical role in enabling secure, scalable messaging across highly regulated environments.This is a hands-on technical role involving architecture input, engineering, deployment, and collaboration with internal teams and technology stakeholders. Role: Rabbit MQ/Platform/DevOps Duration: Until November this year extendable Location: Sheffield 2days office in a week. Rate: GBP 600 to 620/Day Inside IR35 Key ResponsibilitiesDesign, implement, and support RabbitMQ deployments across non-production and production environmentsConfigure and manage RabbitMQ clusters (multi-site deployments)Contribute to architecture and low-level design documentationWork closely...

Learn more

AI Engineer - Cloud & Platform

Added 14/04/2026

AI Engineer - Cloud & PlatformLocation: Fully Remote (UK) Rate: Competitive (Inside IR35) Duration: 12 Months Start: ASAPA leading global financial services organisation is seeking an experienced AI Engineer to support a range of enterprise-scale AI and platform initiatives. This contract will suit an AI Engineer with strong cloud deployment experience, combined with an understanding of platform, security, and control considerations within AI implementations.Due to the specialist nature of the work, this role is available on a fully remote basis.Key ResponsibilitiesSupport the design, deployment, and operation of AI/ML solutions within cloud-based environmentsReview and assess AI platform implementations, identifying issues in...

Learn more

Senior Data Platform Engineer

Added 01/04/2026

I am looking for a Senior Data Platform with experience in Azure and Databricks for a client of mine based in Amsterdam.6 months contract with the option to extend.Netherlands based candidates only and this is a freelance/zzp role.For further information please apply or reach out to me on [email protected] is acting as an Employment Business in relation to this vacancy.

Learn more

Sr DevOps/Platform Engineer

Added 24/02/2026

We're hiring for a Platform / DevOps Engineer role where the focus is on building Kubernetes platforms (not just day-to-day cluster maintenance).You'll be responsible for designing and running cloud-native infrastructure in AWS/Azure, using Terraform-first delivery. Role: Platform / DevOps EngineerLocation: Dublin (Hybrid)Type: Full Time/PermKey Technical RequirementsMust-HavesStrong AWS/Azure experience.Kubernetes (clusters, deployments).CI/CD - ideally GitHub Actions.Infrastructure-as-Code, especially:TerraformBackground in coding (Java/Go/Python) is advantageousGCS is acting as an Employment Agency in relation to this vacancy.

Learn more

AWS AI Platform Lead- Contract

Added 07/05/2026

AWS Platform Engineering Lead - AI projectMy client is a London based investment manager looking for a AWS AI Platform Engineering Lead to drive the evolution of the path to production using AI-enabled tooling and modern AWS-native platforms.This role will focus on building scalable developer platforms, embedding policy-as-code, and introducing AI-driven automation across the SDLC to improve speed, governance, and developer experience. Key ResponsibilitiesDesign and build AWS-native developer platformsImplement policy-as-code frameworks (OPA, AWS Config)Embed governance into CI/CD (PR gates, compliance checks, pipeline guardrails)Integrate AI tooling for code review, security scanning, and deployment decisionsDefine and enforce golden paths across onboarding, CI/CD,...

Learn more

AVP / VP - Technical Systems Analyst (Risk / ESG Data Platform)

Added 05/05/2026

We are hiring AVP and VP level Technical Systems Analysts for a major ESG and Risk data platform transformation programme with a leading financial services organisation in London.This is a hands-on contract role (Inside IR35) focused on delivering a modern, governed data platform supporting Risk, ESG, and regulatory reporting.What you'll doTranslate Risk & ESG requirements into detailed technical specs (TRDs)Design data models (conceptual, logical, physical) and database structuresDefine data lineage, metadata, and governance frameworksSupport data integration, interfaces, and platform designWork with Risk, ESG, Compliance, Data and Engineering teamsContribute to Agile delivery (user stories, testing, implementation)What we're looking for10+ years' experience...

Learn more

Controls Engineer

Added 03/06/2026

Controls Software Engineer - Structured TextIndustrial Robotics Program | Contract Engagement | Seattle, WA or Boston, MA (On-Site) | Immediate Start About the OpportunityWe are hiring a Controls Software Engineer to join a high-impact engineering team supporting a large-scale industrial robotics program at one of the world's leading e-commerce and logistics companies. The program operates a fleet of over 1,000 robotic pick-and-place workcells across global fulfillment centers today, scaling to 5,000-6,000 machines by 2027.This is a hands-on, technically deep contract engagement with strong likelihood of extension. You will work inside a small, tight-knit team of controls and software engineers responsible...

Learn more

Controls Engineer

Added 03/06/2026

Controls Software Engineer - Structured TextIndustrial Robotics Program | Contract Engagement | Seattle, WA or Boston, MA (On-Site) | Immediate Start About the OpportunityWe are hiring a Controls Software Engineer to join a high-impact engineering team supporting a large-scale industrial robotics program at one of the world's leading e-commerce and logistics companies. The program operates a fleet of over 1,000 robotic pick-and-place workcells across global fulfillment centers today, scaling to 5,000-6,000 machines by 2027.This is a hands-on, technically deep contract engagement with strong likelihood of extension. You will work inside a small, tight-knit team of controls and software engineers responsible...

Learn more

Network Engineer

Added 03/06/2026

Job Title: Network EngineerCompany:Telecom Job Description:We're seeking a skilled Network Engineer to support the nationwide deployment and maintenance of virtual Cable Modem Termination Systems (vCMTS) and Remote PHY (RPHY) turn-ups. This cutting-edge, cloud-based vCMTS technology replaces traditional analog hardware, enabling faster speeds, improved network performance, ensuring reliable activation of next‑generation access network (NGAN) platforms. As part of the NGAN Operations Team, the engineer will be responsible for vCMTS platform stand‑up, including software installation, system validation, network configuration, and ongoing maintenance. By shifting core CMTS functions to edge compute infrastructure, This role demands deep expertise in production operations within a 24x7...

Learn more

Network Engineer

Added 03/06/2026

Job Title: Network EngineerCompany:Telecom Job Description:We're seeking a skilled Network Engineer to support the nationwide deployment and maintenance of virtual Cable Modem Termination Systems (vCMTS) and Remote PHY (RPHY) turn-ups. This cutting-edge, cloud-based vCMTS technology replaces traditional analog hardware, enabling faster speeds, improved network performance, ensuring reliable activation of next‑generation access network (NGAN) platforms. As part of the NGAN Operations Team, the engineer will be responsible for vCMTS platform stand‑up, including software installation, system validation, network configuration, and ongoing maintenance. By shifting core CMTS functions to edge compute infrastructure, This role demands deep expertise in production operations within a 24x7...

Learn more

Cloud Security Engineer - Contract

Added 03/06/2026

Cloud Security EngineerWe are looking for a Cloud Security Engineer to support the security of our clients cloud platforms and modern infrastructure environments. This role will work closely with technology and engineering teams to help identify, assess, and mitigate security risks while promoting security best practices across cloud-native and containerised environments.The successful candidate will bring a strong foundation in information security, a collaborative mindset, and a passion for continuous learning in cloud and infrastructure security. Key ResponsibilitiesSupport the implementation and maintenance of security controls across cloud environments.Collaborate with engineering and operational teams to enhance the security of cloud-based services and...

Learn more

MongoDB Site Reliability Engineer

Added 02/06/2026

MongoDB SRE (AVP) - Knutsford (Hybrid)Are you a MongoDB expert ready to step into a true engineering role? Join a global team modernising a large‑scale database estate and move beyond repetitive DBA work.What You'll DoOwn MongoDB operations end‑to‑end (clusters, sharding, replica sets, backups).Troubleshoot and resolve complex production issues across L1-L3.Build automation using Python, Ansible, TDD, Agile.Improve observability with better monitoring, alerting, and performance insights.Reduce toil by engineering tools and automation that transform the platform.Required SkillsDeep MongoDB administration expertise.Strong experience with Ops Manager and backup tooling.Solid troubleshooting and production support capability.SRE fundamentals and an automation‑first mindset.Hands‑on Python and Ansible experience.Observability experience...

Learn more

Microsoft SQL Database Site Reliability Engineer

Added 02/06/2026

Step into a high‑impact engineering role where you'll shape the future of Microsoft SQL operations at enterprise scale. As a Database SRE, you'll combine deep SQL Server expertise with modern SRE practices to build a more reliable, automated, and observable database platform for one of the world's largest financial institutions. What You'll DoLead SQL Engineering - Solve complex SQL Server 2016-2022 challenges across availability, tuning, performance, and architecture.Shape the MSSQL SRE practice - Influence standards, patterns, SLIs/SLOs, and operational models for the SQL estate.Act as the top technical escalation - Provide expert‑level guidance on incidents, root cause, and long‑term fixes.Drive...

Learn more
At least 8 characters, 1 uppercase, 1 lowercase and 1 special character or number
Your file must be a doc, docx or pdf. No larger than 5MB.