CNI Infrastructure Wintel & Security Tools Analyst (Active SC Clearance) - 6 Months - Warwick(Hybrid

Hamilton Barnes; Wokingham; Hybrid; GBP 56.000 - 73.000; Vollzeit

Zusammenfassung

CNI Infrastructure is seeking a Wintel & Security Tools Analyst to support Windows infrastructure and cybersecurity tooling. You will administer Windows Server, AD, IAM, and endpoint security platforms, ensuring healthy operations and secure configurations with minimal user disruption.

The initial 6-month contract is hybrid, with 3 days on-site in Wokingham, and requires Active SC clearance. You will coordinate with vendors and support audits while maintaining runbooks and ITSM processes.

Qualifikationen

• Active SC clearance is essential.
• Strong Windows Server administration including AD, GPO, DNS and DHCP.
• Experience with antivirus/endpoint management solutions.
• Familiarity with ITSM incident, request and problem management.
• Ability to tune security tooling while minimizing user disruption.

Aufgaben

• Support and administer Windows Server (2016/2019/2022) and AD, DNS, DHCP, patching and hardening.
• Provide IAM support and manage AD users/groups.
• Provision and maintain VMs and monitor performance and capacity.
• Administer antivirus and endpoint management platforms; monitor health and policy sync.
• Run updates, patches and version upgrades for security software.
• Escalate issues to support desks; resolve agent malfunctions and conflicts.
• Tune detection rules and policies to reduce false positives while maintaining protection.
• Work with vendors to resolve bugs, outages and integration issues.
• Onboard new devices and software into the endpoint ecosystem.
• Handle incidents in ITSM tools and support audits.
• Document configurations, runbooks and troubleshooting steps.

Kenntnisse

Active SC clearance

Windows Server administration

Active Directory

GPO

DNS

DHCP

IAM support

Endpoint management

Antivirus

ITSM

Incident management

Auditing

Tools

Active Directory tools

IAM tools

Endpoint security tools

Monitoring tools

Jobbeschreibung

CNI Infrastructure Wintel & Security Tools Analyst (Active SC Clearance) - 6 months - Warwick(Hybrid) - Inside IR35

We are looking for a Wintel and Security Tools Analyst to provide operational support, administration and troubleshooting for enterprise Windows infrastructure and cybersecurity tools, including endpoint management and antivirus platforms, at a UK critical national infrastructure organisation. You will keep the Windows estate healthy and tune the security tooling to protect the business with minimal disruption to users. The initial contract is 6 months, with extension depending on performance. It is hybrid, with 3 days per week on-site in Wokingham. Active SC clearance is required.

Key Responsibilities:

• Support and administer Windows Server (2016/2019/2022): Active Directory, Group Policy, DNS, DHCP, patching, upgrades and hardening
• Manage AD users and groups and provide IAM support
• Provision and maintain virtual machines, and monitor performance, availability and capacity
• Administer and maintain enterprise antivirus and endpoint management platforms, including agent health, deployment status and policy sync across workstations and Servers
• Run updates, patching and version upgrades for security software
• Act as technical escalation point for support desks on agent malfunctions, install failures and software conflicts
• Tune detection rules, exclusions and policies to cut false positives while keeping protection strong, and optimise AV/IDS performance
• Work with vendors to resolve complex bugs, outages and integration issues
• Onboard new device types, operating systems and software into the endpoint ecosystem
• Handle incidents, requests and problems in ITSM tools, and prepare for and complete audits
• Document configurations, runbooks and troubleshooting procedures

What You Will Ideally Bring:

• Active SC clearance (essential)
• Windows Server administration, including Active Directory, GPO, DNS and DHCP
• Managing and supporting antivirus (AV) solutions
• Supporting cybersecurity and endpoint management tools
• Windows and Linux system administration tools and processes
• ITSM incident, request and problem management
• Understanding of monitoring tools, AV and endpoint security concepts (desirable)

Contract Details:

• Rate: £350 per day (Inside IR35)
• Location: Hybrid in Wokingham (3x a week)
• Contract Length: 6-Month Initial Contract - Inside IR35