Defender Administrator

Onyx-Conseil; Warrington; Hybrid; GBP 60,000 - 80,000; Full time

Job summary

A leading cybersecurity consulting firm is seeking a Defender Administrator for a hybrid role, primarily in Warrington or Gloucester. The position involves migrating legacy antivirus solutions to Microsoft Defender on Windows and Linux servers, validating AV policies, and implementing security measures. Candidates must have hands-on experience managing complex migrations and be knowledgeable in Microsoft technologies. Additionally, those with high-level security clearance are encouraged to apply. This is a fantastic opportunity to contribute to a significant cybersecurity project.

Qualifications

• Hands on experience with MS and Linux server onboarding to Microsoft Defender.
• Managed complex migration projects successfully.
• Knowledge in AV exclusion management and Microsoft technologies.

Responsibilities

• Migrate legacy antivirus solutions to Microsoft Windows Defender on servers.
• Validate current AV exclusion policies.
• Implement MDE policies for enhanced security.

Skills

Onboarding MS and Linux servers to Microsoft Defender

Complex migration management

AV exclusion management

Microsoft Defender technologies knowledge

Server Detection and Response (EDR)

Symantec server Protection experience

McAfee/Windows Defender Antivirus Policy

Windows and Linux OS knowledge

Analytical problem-solving skills

End to end Support Coverage for Microsoft Defender

Job description

Defender Administrator 2 Month contract initially. Based: Hybrid, with onsite in Warrington or Gloucester. Rate: £400 - £450 p/d (via Umbrella company).

We have a great opportunity with a world leading organisation where you will be provided with all of the support and development to succeed. A progressive organisation where you can really make a difference. We have a great opportunity for a Defender Administrator to join the team.

Key Responsibilities

• To Migrate Symantec/McAfee Legacy Antivirus Solution to Microsoft Windows Defender (ATP) on Windows and Linux servers.
• To validate the current AV exclusion policy in estate.
• Implement MDE policies.
• AAD devices group creation to implement exclusion and policy deployment.
• Creating migration approach that is best suited for complex nuclear sensitive environment.
• Network connectivity testing between source and destination.
• Defender Installation File creation and distribution.
• Leading discussion with the Image management team for MDE image that would be used for Auto scaling environment.

Key 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.
• End to end Support Coverage for Microsoft Defender.
• Ensure High level of Security controls are deployed on end points as per the best practices.

This is an excellent opportunity on a great project of work. If you are looking for your next exciting opportunity, apply now for your CV to reach me directly, we will respond as soon as possible.

Due to the nature and urgency of this post, candidates holding or who have held high level security clearance in the past are most welcome to apply. Please note successful applicants will be required to be security cleared prior to appointment which can take up to a minimum 10 weeks.