IT Support Specialist

Reference: 186432_1792675554

We are seeking an experienced IT Support Specialist to provide technical support, infrastructure management, and cloud-based solutions that ensure the security, reliability, and performance of client IT environments. This role will focus on supporting Microsoft technologies, networking, cybersecurity, and end-user systems across multiple client environments.

Key Responsibilities

  • Provide remote and on-site technical support across multiple client environments.
  • Manage service requests, incidents, and technical escalations, ensuring timely resolution.
  • Troubleshoot and maintain Microsoft 365, Azure, Entra ID, Windows Server, and Windows 10/11 environments.
  • Plan and support migrations from on-premises infrastructure to Microsoft Azure.
  • Deploy and manage Azure services, including Virtual Machines, Azure SQL, and VPN connectivity.
  • Implement and administer Microsoft Intune and endpoint management solutions.
  • Configure and support Microsoft Defender and other security technologies.
  • Install, configure, and troubleshoot SonicWall firewalls, VPNs, and networking equipment.
  • Diagnose network, connectivity, security, and infrastructure-related issues.
  • Support SharePoint and Microsoft 365 collaboration platforms.
  • Maintain the security, reliability, and performance of client IT environments.
  • Provide technical guidance to clients and end users while maintaining excellent service standards.
  • Identify recurring issues and recommend improvements to infrastructure, security, and support processes.

Required Skills & Experience

  • Degree in Computer Science, Information Technology, or a related field, or equivalent industry experience.
  • Ideally 3+ years' experience in an IT Support, Infrastructure Support, or MSP environment.
  • Strong knowledge of Microsoft 365, Azure, Entra ID, and Windows Server administration.
  • Experience supporting Windows desktop environments, networks, and business-critical IT infrastructure.
  • Hands-on experience with Microsoft Intune, Defender for Endpoint, and Defender for Office 365.
  • Experience configuring and troubleshooting SonicWall firewalls, VPNs, and network infrastructure.
  • Good understanding of cybersecurity, identity management, endpoint protection, and network security.
  • Strong troubleshooting and problem-solving skills with the ability to own issues through to resolution.
  • Ability to manage multiple priorities and support multiple client environments effectively.
  • Excellent communication skills with the ability to explain technical issues to non-technical users.
  • Fluent English.
  • A full, clean Category B driving licence and access to a car are essential, as the role requires travel to client sites.

Ideal Candidate

A proactive and customer-focused IT professional with strong technical expertise across Microsoft cloud technologies, networking, and cybersecurity. You will be comfortable troubleshooting complex issues, managing competing priorities, and delivering high-quality support while building trusted relationships with clients and stakeholders.

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

COMPETITIVE SALARY
Added 22/10/2026
Reference: 186432_1792675554

Other similar jobs

Application Support Specialist - C# / SQL

Added 24/08/2026

Application Support Specialist - C# / SQL - Tier 1 Bank - 6 months - Hybrid Role - Application Support SpecialistRate - £416 per dayDuration - 6 months with very likely extensionLocation - Hybrid / Canary Wharf - 3 days per week in a Canary Wharf officeTech StackT/SQLC# .NETOracleRoleApplication support responsibilities for development teams in production environments to cover all aspects such as communication with Data Centre/Help Desk staff, analysing/finding failure to reach a root cause, resolving issues by liaising with development teams, liaising with internal and external supports teams and providing explanations to our Business Clients.TasksTroubleshooting Applications in the...

Learn more

Support Specialist

Added 24/08/2026

Support Specialist | Hamburg, Germany6-Month Contract | Extension PossibleJoin a global technology and logistics leader that's redefining how millions of customers receive their orders every day.We're looking for a "Support Specialist" to help drive operational excellence across North and East Germany's last-mile delivery network. In this highly visible role, you'll work with logistics teams, station managers, and delivery partners to identify opportunities, automate processes, and scale innovative solutions that improve safety, quality, cost efficiency, and driver experience.What You'll Do✅ Analyze operational data to uncover improvement opportunities ✅ Lead process optimization and automation initiatives across delivery stations ✅ Collaborate with cross-functional...

Learn more

Presentation Specialist

Added 02/10/2026

Graphic Design, PowerPoint, Content Specialist Role - Hybrid / Canary Wharf - 6 month Contract - Banking Role - Graphic Design, PowerPoint, Content SpecialistIndustry - Banking / Finance Duration - 6 months with very likely extensionLocation - Remote / Canary Wharf - 3 days per week in a Canary Wharf office, LondonRate - £416 per day (Inside IR35)Tasks The candidate will be responsible for creating visually stunning PowerPoint presentations, designing documents, and editing visually appealing videos. Additionally, The candidate will be responsible for writing clear and concise technical documents and creating templates for a Word and PowerPoint presentations.As a Graphic...

Learn more

Presentation Specialist

Added 23/09/2026

Graphic Design, PowerPoint, Content Specialist Role - Hybrid / Canary Wharf - 6 month Contract - Banking Role - Graphic Design, PowerPoint, Content SpecialistIndustry - Banking / Finance Duration - 6 months with very likely extensionLocation - Remote / Canary Wharf - 3 days per week in a Canary Wharf office, LondonRate - £416 per day (Inside IR35)Tasks The candidate will be responsible for creating visually stunning PowerPoint presentations, designing documents, and editing visually appealing videos. Additionally, The candidate will be responsible for writing clear and concise technical documents and creating templates for a Word and PowerPoint presentations.As a Graphic...

Learn more

Field Engineer - OTDR Fiber Specialist

Added 10/09/2026

Job Title: Field Engineer - OTDR Fiber Specialist Job Type: Field Based -Location : Council Bluffs IAContract- 12+ MonthsAbout the Role: We are looking for a highly skilled Field Technician to join our team, specializing in OTDR testing, troubleshooting and Fiber optic splicing. The Field Engineer will be responsible for diagnosing, troubleshooting, and repairing Fiber optic links in large-scale data centre environments. The role involves extensive travel to customer sites, including major clients.Key Responsibilities:Conduct OTDR testing to diagnose defects, breaks, and bends in Fiber optic cables on large Data Centre environments. Identify Fiber count, location, and possible damage using OTDR...

Learn more

PowerPoint Specialist

Added 01/09/2026

Graphic Design, PowerPoint, Content Specialist Role - Hybrid / Canary Wharf - 6 month Contract - Banking Role - Graphic Design, PowerPoint, Content SpecialistIndustry - Banking / Finance Duration - 6 months with very likely extensionLocation - Remote / Canary Wharf - 3 days per week in a Canary Wharf office, LondonRate - £416 per day (Inside IR35)Tasks The candidate will be responsible for creating visually stunning PowerPoint presentations, designing documents, and editing visually appealing videos. Additionally, The candidate will be responsible for writing clear and concise technical documents and creating templates for a Word and PowerPoint presentations.As a Graphic...

Learn more

Graphic, PowerPoint, Content Specialist - Japanese Speaking

Added 24/08/2026

Graphic Design, PowerPoint, Content Specialist Role - Hybrid / Canary Wharf - 6 month Contract - Banking Role - Graphic Design, PowerPoint, Content SpecialistIndustry - Banking / Finance Duration - 6 months with very likely extensionLocation - Remote / Canary Wharf - 3 days per week in a Canary Wharf office, LondonRate - £416 per day (Inside IR35)ESSENTIAL - JAPANESE SPEAKINGTasks The candidate will be responsible for creating visually stunning PowerPoint presentations, designing documents, and editing visually appealing videos. Additionally, The candidate will be responsible for writing clear and concise technical documents and creating templates for a Word and PowerPoint...

Learn more

Information Security & ISMS Specialist

Added 18/08/2026

Information Security & ISMS SpecialistThe RoleWe're looking for a hands-on Information Security & ISMS Specialist to help drive and mature our security, compliance, and risk management practices.Working closely with the Information Security Lead and cross-functional teams including Engineering, DevOps, IT, Data Governance, and AI Governance, you'll play a key role in maintaining and improving our ISO 27001-certified Information Security Management System (ISMS).This is not a traditional tick-box GRC role. We're looking for someone who takes ownership, validates controls firsthand, drives continuous improvement, and helps embed security into the day-to-day operation of the business.This is a fully remote within the UK...

Learn more

Field Technician - Fiber Optic Specialist

Added 28/07/2026

JD - Hiring for Leading broadband and Telecom Companies.Job Title: Field Technician - OTDR Fiber Specialist Job Type: Field Based Location : Cheyenne WYContract- 12+ MonthsAbout the Role: We are looking for a highly skilled Field Technician to join our team, specializing in OTDR testing, troubleshooting and Fiber optic splicing. The Field Engineer will be responsible for diagnosing, troubleshooting, and repairing Fiber optic links in large-scale data centre environments. The role involves extensive travel to customer sites, including major clients.Key Responsibilities:Conduct OTDR testing to diagnose defects, breaks, and bends in Fiber optic cables on large Data Centre environments. Identify Fiber...

Learn more

Field Technician - OTDR Specialist

Added 23/07/2026

Job Title: Field Engineer - OTDR Fiber Specialist Job Type: Field Based - Location : Des Moines Iowa Contract- 12+ MonthsAbout the Role: We are looking for a highly skilled Field Technician to join our team, specializing in OTDR testing, troubleshooting and Fiber optic splicing. The Field Engineer will be responsible for diagnosing, troubleshooting, and repairing Fiber optic links in large-scale data centre environments. The role involves extensive travel to customer sites, including major clients.Key Responsibilities:Conduct OTDR testing to diagnose defects, breaks, and bends in Fiber optic cables on large Data Centre environments. Identify Fiber count, location, and possible damage...

Learn more

Field Technician - Fiber Optic Specialist

Added 23/07/2026

JD - Hiring for Leading broadband and Telecom Companies.Job Title: Field Technician - OTDR Fiber Specialist Job Type: Field Based Location : Cheyenne WYContract- 12+ MonthsAbout the Role: We are looking for a highly skilled Field Technician to join our team, specializing in OTDR testing, troubleshooting and Fiber optic splicing. The Field Engineer will be responsible for diagnosing, troubleshooting, and repairing Fiber optic links in large-scale data centre environments. The role involves extensive travel to customer sites, including major clients.Key Responsibilities:Conduct OTDR testing to diagnose defects, breaks, and bends in Fiber optic cables on large Data Centre environments. Identify Fiber...

Learn more

Technical Lead (IAM Specialist)

Added 22/07/2026

TECHNICAL LEAD - IDENTITY & ACCESS MANAGEMENT (IAM) - CONTRACTSheffield | Hybrid (1-3 Days On-Site)Until 30th November 2026 | High Chance of Extension£600-650 Per Day | Umbrella (Inside IR35)THE PROJECTA global financial services organisation is delivering a large-scale Identity & Access Management (IAM) transformation and is looking for an experienced Technical Lead to help shape and deliver next-generation identity services. This is an opportunity to lead the technical direction of a major enterprise programme, driving secure, scalable IAM solutions across a complex global environment.Lead the technical design and architecture for enterprise IAM solutions.Define and maintain High & Low Level Designs...

Learn more

Technical Lead (IAM Specialist)

Added 21/07/2026

TECHNICAL LEAD - IDENTITY & ACCESS MANAGEMENT (IAM) - CONTRACTSheffield | Hybrid (1-3 Days On-Site)Until 30th November 2026 | High Chance of Extension£600-650 Per Day | Umbrella (Inside IR35)THE PROJECTA global financial services organisation is delivering a large-scale Identity & Access Management (IAM) transformation and is looking for an experienced Technical Lead to help shape and deliver next-generation identity services. This is an opportunity to lead the technical direction of a major enterprise programme, driving secure, scalable IAM solutions across a complex global environment.Lead the technical design and architecture for enterprise IAM solutions.Define and maintain High & Low Level Designs...

Learn more

Site Reliability Specialist

Added 17/07/2026

Site Reliability Engineer (SRE) - Level 3Job SummaryWe are seeking a Site Reliability Engineer (SRE) to build, maintain, and support reliable, scalable, and secure cloud platforms. The ideal candidate will have experience with cloud infrastructure, Kubernetes, automation, monitoring, and production support while working closely with engineering teams to improve platform reliability and operational excellence.Key ResponsibilitiesManage and support cloud infrastructure and Kubernetes environments.Automate infrastructure using Infrastructure as Code (IaC).Monitor, troubleshoot, and optimize production systems.Support CI/CD pipelines and deployment automation.Participate in incident response, root cause analysis, and reliability improvements.Collaborate with engineering teams on platform enhancements.Develop automation using scripting and DevOps best practices.Participate...

Learn more

Title: Fiber Engineer - OTDR Specialist

Added 08/07/2026

Title: Fiber Engineer - OTDR Specialist About the Role:We are looking for a highly skilled Field Engineer to join our team, specializing in OTDR (Optical Time Domain Reflectometer) testing and Fiber Optic Network troubleshooting.The Field Engineer will be responsible for diagnosing, troubleshooting, and repairing Fiber optic links in large-scale data centre environments. The role involves extensive travel to customer sites, including major clients such as Amazon, Comcast, Google, Microsoft, Meta, and others. Key Responsibilities:Conduct OTDR testing to diagnose defects, breaks, and bends in Fiber optic cables on large Data Centre Sites like (Amazon, Comcast, Google, Microsoft, Meta, and others)Identify Fiber...

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.