

Queen Square Recruitment
Defender Administrator (SC Cleared)
⭐ - Featured Role | Apply direct with Data Freelance Hub
This role is for a Defender Administrator (SC Cleared) for 3+ months, paying "rate". Located in Gloucester/Warrington/Remote, it requires experience in migrating to Microsoft Defender, AV exclusion management, and knowledge of Microsoft technologies and Linux servers.
🌎 - Country
United Kingdom
💱 - Currency
£ GBP
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💰 - Day rate
Unknown
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🗓️ - Date
June 25, 2026
🕒 - Duration
3 to 6 months
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🏝️ - Location
Remote
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📄 - Contract
Fixed Term
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🔒 - Security
Yes
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📍 - Location detailed
Gloucester, England, United Kingdom
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🧠 - Skills detailed
#Documentation #Deployment #Defender #Monitoring #Migration #Cloud #Linux #Security #Automatic Speech Recognition (ASR) #Vulnerability Management
Role description
New Exciting opportunity for the role of Defender Administrator (SC cleared)
Location: Gloucester/ Warrington/ Remote
Contract Duration:3 Months+
IR35 Status: Inside IR35
The Role
To Migrate Symantec/McAfee Legacy Antivirus Solution to Microsoft Windows Defender (ATP) on Windows and Linux servers.
Your Profile
· Essential skills/experience:
Hands on Experience onboarding MS and Linux server to Microsoft Defender
· Must have managed complex migration
· Must have AV exclusion management skills
· Have knowledge and experience with Microsoft technologies such as but not limited to: Microsoft Defender for server, Microsoft Defender for O365, Microsoft Defender for Identity, Microsoft 365 Defender and Microsoft Cloud App Security
· Good knowledge around server Detection and Response (EDR), Threat & Vulnerability Management (TVM), Attack Surface Reduction (ASR), and Auto Investigation and Remediation (AIR)
· Experience with Symantec server Protection (SEPM)
· Experience in McAfee/ Windows Defender Antivirus Policy, Group and Task Configuration
· In depth knowledge of Windows operating systems including Client (7/8/10) and Server OS (2008/2012/2016) and Linux – RHEL
· Documenting the deployment approach
· Documenting and creating MDE policy
· Investigative and analytical problem-solving skills across Windows Infrastructure
· Developing, coordinating, and maintaining organizational security procedures, processes, and practices and supporting security documentation activities.
· Remove legacy Antivirus solution from Servers
· Hands on Experience in deploying ATP Package through GPO, SCCM or through Intune
· Good Understanding of Threat analysis, Threat Hunting, and remediating security issues on End Points
· Hands on Experience on Creation of Policy, file Exclusions, Monitoring Dashboard, Reporting. etc
· End to end Support Coverage for Microsoft Defender
· Ensure High level of Security controls are deployed on end points as per the best practices
Other working conditions:· Candidates must be SC cleared only, the SC should be in Active state that is transferable.
· Candidates will need to complete SC transfer / SC checks and post successful transfer the contract would be awarded.
· Minimum of 3 months of validity is needed for SC to be transferred.
New Exciting opportunity for the role of Defender Administrator (SC cleared)
Location: Gloucester/ Warrington/ Remote
Contract Duration:3 Months+
IR35 Status: Inside IR35
The Role
To Migrate Symantec/McAfee Legacy Antivirus Solution to Microsoft Windows Defender (ATP) on Windows and Linux servers.
Your Profile
· Essential skills/experience:
Hands on Experience onboarding MS and Linux server to Microsoft Defender
· Must have managed complex migration
· Must have AV exclusion management skills
· Have knowledge and experience with Microsoft technologies such as but not limited to: Microsoft Defender for server, Microsoft Defender for O365, Microsoft Defender for Identity, Microsoft 365 Defender and Microsoft Cloud App Security
· Good knowledge around server Detection and Response (EDR), Threat & Vulnerability Management (TVM), Attack Surface Reduction (ASR), and Auto Investigation and Remediation (AIR)
· Experience with Symantec server Protection (SEPM)
· Experience in McAfee/ Windows Defender Antivirus Policy, Group and Task Configuration
· In depth knowledge of Windows operating systems including Client (7/8/10) and Server OS (2008/2012/2016) and Linux – RHEL
· Documenting the deployment approach
· Documenting and creating MDE policy
· Investigative and analytical problem-solving skills across Windows Infrastructure
· Developing, coordinating, and maintaining organizational security procedures, processes, and practices and supporting security documentation activities.
· Remove legacy Antivirus solution from Servers
· Hands on Experience in deploying ATP Package through GPO, SCCM or through Intune
· Good Understanding of Threat analysis, Threat Hunting, and remediating security issues on End Points
· Hands on Experience on Creation of Policy, file Exclusions, Monitoring Dashboard, Reporting. etc
· End to end Support Coverage for Microsoft Defender
· Ensure High level of Security controls are deployed on end points as per the best practices
Other working conditions:· Candidates must be SC cleared only, the SC should be in Active state that is transferable.
· Candidates will need to complete SC transfer / SC checks and post successful transfer the contract would be awarded.
· Minimum of 3 months of validity is needed for SC to be transferred.






