Systems Administrator - 6 months - Remote - Outside IR35 at Hamilton Barnes, Remote, 6 Months, £400-£450 per day

Systems Administrator - Contract - Remote

A fast-growing UK full-fibre broadband provider is looking for a Systems Administrator to join their fast hrowing team. You will lead a comprehensive as-is audit, gap analysis, and remediation programme across both Enterprise IT and Network Operations IT environments, ensuring systems are properly configured, documented, and aligned to best practice.

Key Responsibilities:

• Conduct a full as-is audit of Enterprise IT (Microsoft 365, Azure AD/Entra ID, Intune, endpoint management, SSO/MFA, security baselines) and Network Operations IT (Azure cloud infrastructure, VPN/Firewalls, DNS/DHCP, RADIUS, NTP, Altiplano, MCP)
• Produce a gap analysis identifying configuration drift, security exposures, undocumented systems, and operational risks
• Develop a RAG-based remediation plan with prioritised actions, dependencies, and timeframes
• Document all systems consistently (Visio diagrams, CMDB entries, network topology, admin guides)
• Implement agreed remediations and enforce configuration baselines (Azure policies, group policies, backups, Firewall rulesets, IAM hygiene)
• Build repeatable processes for patching, monitoring, backup, and DR, documenting RPO/RTO by system
• Provide oversight and mentoring to existing NetOps staff, embedding structure, security, and governance
• Work with Information Security and Compliance teams to ensure adherence to GDPR, Telecommunications Security Act, and ISO27001 frameworks
• Produce knowledge transfer materials and handover documentation for in-house teams at contract end

What You Will Ideally Bring:

• Expert-level knowledge of Microsoft 365, Azure AD/Entra ID, Intune, Exchange Online, SharePoint, Teams, and Endpoint Manager
• Deep hands-on experience with Azure Infrastructure (VMs, networking, policies, security groups, monitoring, cost management)
• Proven experience administering VPNs, Firewalls (Fortinet, Palo Alto, or similar), DNS/DHCP/NTP, and RADIUS Servers
• Familiarity with network application stacks such as Altiplano, MCP, and other customer-facing service platforms
• Strong documentation skills (Visio, Draw.io, CMDBs, architecture diagrams)
• Understanding of identity and access management, SSO, MFA, and conditional access policies
• Familiarity with Azure Monitor, Defender for Cloud, Sentinel, or equivalent SIEM/logging tools
• Competent in Scripting and automation (PowerShell, Bash, Python)
• 5+ years in Systems Administration or Infrastructure roles, ideally within telecoms, ISP, or managed service environments

Desirable:

• ITIL v4 process experience (change, incident, problem, configuration)
• Exposure to TM Forum-aligned OSS/BSS integration environments
• Knowledge of ISO 27001, Cyber Essentials, or Telecoms Security Act controls
• Networking awareness (VLANs, BGP, IP routing, Firewalls, VPN tunnels)
• Microsoft or Azure certifications (AZ-104, AZ-500, MS-100, or equivalent)

Contract Details:

• Resource Type: Contract
• Location: Remote (UK)
• Rate - £400 - £450
• Start Date: ASAP