Freelance Writer

Outlier AI; Frimley Green; On-site; GBP 45,000 - 60,000; Full time

Job summary

A technology company based in the United Kingdom is seeking a skilled IT professional for a 3rd Line support role. You'll be responsible for managing and optimizing critical enterprise platforms including Windows Server, Linux environments, and cloud services such as AWS and Azure. You will implement and maintain security platforms while delivering infrastructure projects. Ideal candidates should have strong experience with both Windows and Linux systems, cloud technologies, and security solutions. This role offers the opportunity to significantly enhance the security posture and maintain operational excellence.

Qualifications

• Strong experience in Windows Server, Active Directory, SQL Server.
• Good hands-on experience with Linux environments.
• Good knowledge of cloud platforms such as AWS or Azure.
• Strong understanding of security/SaaS solutions.

Responsibilities

• Provide 3rd Line support across IT services.
• Manage Windows Server and SQL Server platforms.
• Administer Linux environments alongside Windows services.
• Support and enhance cloud services.
• Implement and manage security platforms.
• Deliver infrastructure projects, including upgrades and migrations.

Skills

Windows Server

Active Directory

SQL Server

Linux (Red Hat, Satellite)

AWS

Azure

Tenable

CyberArk

Splunk

Scripting skills (PowerShell, Bash, Python)

Tools

WhatsUp Gold

Fortinet technologies

VMware

Cisco

Dell Servers

Job description

About the Role

This role is integral to maintaining and enhancing the security posture of our enterprise IT environment. Candidate will provide expert 3rd line support, working across Windows, Linux, cloud infrastructures, and a range of security platforms to ensure resilience, compliance, and operational excellence.

Key Responsibilities

• Provide 3rd Line support across Windows, Linux, cloud, and security services.
• Manage and optimize Windows Server, Active Directory, and SQL Server as the core enterprise platforms.
• Administer and maintain Linux environments (Red Hat, Satellite) alongside Windows services.
• Support and enhance cloud services (AWS, Azure, or similar) across compute, networking, storage, IAM, and automation.
• Implement and manage security/SaaS platforms including Tenable, CyberArk, Imperva/Akamai WAF, Okta, CrowdStrike, Proofpoint, Safe Breach, Zscaler, and Splunk.
• Deliver infrastructure projects including upgrades, migrations, and new deployments.
• Proactively monitor systems, identify vulnerabilities, and implement preventative measures.
• Support business continuity and disaster recovery initiatives.
• Provide input into solution designs, change control processes, and operational standards.
• Collaborate with stakeholders to define requirements and deliver operational improvements.

Core Skills & Experience

• Strong experience with Windows Server, Active Directory, and SQL Server.
• Good hands‑on experience with Linux (Red Hat, Satellite).
• Good knowledge of cloud platforms (AWS, Azure, or similar).
• Good level of understanding and administration in security/SaaS solutions: Tenable, CyberArk, Imperva/Akamai WAF, Okta, CrowdStrike, Proofpoint, SafeBreach, Zscaler, Splunk.
• Strong knowledge of Fortinet security technologies (Firewalls, FortiManager, FortiAnalyzer).
• Strong understanding of networking fundamentals (TCP/IP, VLANs, routing, firewalls).
• Hands‑on experience with infrastructure monitoring platforms, particularly WhatsUp Gold.
• Scripting and automation skills (PowerShell, Bash, Python).
• Proven ability to troubleshoot and resolve complex issues in hybrid environments.

Desirable Skills

• Familiarity with VMware, Cisco, and Dell Servers.
• Experience working in regulated or change‑controlled environments.
• Knowledge of high availability and disaster recovery solutions.
• Exposure to DevOps, CI/CD, and automation frameworks.
• Experience with Kubernetes and containerized environments.