Windows Systems Administrator - L3

Global Relay; City Of London; On-site; GBP 65,000 - 90,000; Full time

Job summary

Global Relay is seeking a Senior Windows Administrator to join the Operations team in London. You will design, manage and support Windows environments with a focus on Exchange, Active Directory, and desktop management (GPO, SCCM, MDT, MSI re-packaging).

You will implement desktop security policies, keep configurations up to date, and drive proactive incident prevention while maintaining high availability and disaster recovery readiness.

Qualifications

• Minimum 3–5 years of direct experience with Exchange and at least 10 years of overall IT administration and advanced computer support.
• Technical infrastructure design, implementation and management including Active Directory, DNS, DHCP, LDAP, MDT, and SCCM.
• Ability to monitor, test and analyze system activities for maximum performance, efficiency and availability.
• Ability to plan for growth or increases in system capacity and to resolve performance issues in a timely manner.
• Extensive knowledge of Microsoft Exchange including mailbox server failover and cluster management.
• Extensive knowledge of Windows Server, AD, DNS, DHCP, DFS, DFS-R, File and Print Services, and GPO validation.

Responsibilities

• Administer corporate Active Directory and Exchange environments; SME for AD & Exchange deployments.
• Develop and manage desktop management policies for securing desktops and deploying software.
• Update documentation and configurations for Exchange and Active Directory.
• Deliver timely incident resolution and post-incident analysis.
• Develop and implement strategies for proactive support to reduce incidents and accelerate deployments.
• Respond to Support and Operations cases related to Exchange, AD or Windows Server issues.
• Ensure Windows systems have high service availability.
• Align corporate services with Business Continuity and Disaster Recovery programs.

Skills

Active Directory

Exchange Server

PowerShell

SCCM

MDT

GPO

DNS

DHCP

Office 365 / Outlook

Windows Server

Education

MCSA / MCSE / MTA certification

Bachelor's degree in IT

Tools

SCCM

MDT

Job description

The Windows Administrator - L3, is a key member of the Operations team and works closely with other System Administrators, Desktop, Security, and Cyber Security Operations Center teams. The Senior Windows Administrator is responsible for the design, management, and support of our Windows environments, with a focus on corporate services for Exchange, Active Directory, and desktop management (GPO, SCCM, MDT, MSI re-packaging).

Your responsibilities:

• Administer corporate Active Directory and Microsoft Exchange environments, act as a SME for other internal and client facing AD & Exchange deployments
• Develop, implement, and manage desktop management policies related to securing desktops, applying group policies, and deploying software
• Update documentation, write new procedures, and detail Exchange and Active Directory configurations
• Deliver timely and high quality incident resolution and post-incident analysis focusing on root cause, prevention, and knowledge transfer
• Develop and implement strategies for providing proactive support resulting in fewer incidents, increased availability, or accelerated deployments
• Respond in a timely manner to Support and Operations cases related to Exchange, AD or other Windows Server issues
• Ensure all Windows systems operate with a high service availability
• Ensure that the corporate services adhere to our Business Continuity and Disaster Recovery Programs

• Minimum 3-5 years of direct experience with Exchange and at least 10 years of overall experience in IT administration and advanced computer support
• Technology infrastructure design, implementation and management including Microsoft Active Directory, DNS, DHCP, LDAP, MDT, and SCCM
• Ability to monitor, test and analyze system activities to ensure maximum performance, efficiency, and availability
• Ability to analyze system usage and plan for growth or increases in system capacity
• Ability to identify and resolve problems affecting systems performance, efficiency, and availability in a timely manner
• Ability to assess the need for any system reconfigurations (minor or significant)
• Extensive knowledge of Microsoft Exchange including experience with mailbox server failover and cluster management
• Extensive knowledge of Windows server, Active Directory, DNS, DHCP, DFS, DFS-R, File and Print Services, and GPO validation, management, and implementation
• Knowledge of Microsoft Exchange PowerShell commands needed to manage Exchange features, roles, mailboxes, performance and troubleshooting
• Comfortable with Microsoft Office applications including Microsoft Project and Visio with knowledge of Office Outlook features, configuration and troubleshooting
• Experience with troubleshooting & resolving complex technical problems, writes reports and creates documentation processes and procedures
• Demonstrated ability to work both collaboratively in a team environment as well as independently in an effective and organized manner in a complex and challenging environment
• Comfortable working under pressure in a fast-paced environment
• Excellent interpersonal and communication skills in both verbal and written English
• Strong organization skill and initiatives
• Resourcefulness in problem solving abilities
• Knowledge of IP phone systems would be considered an asset
• Microsoft MCSA, A+, or MTA certification would be considered an asset

This role will require a minimum of 3 days in the office per week, During your first 3 months of employment you may be required to be in the office more often for training.

Global Relay is unable to offer visa sponsorship for this position. Candidates must have the right to work in the UK at the time of application.

For over 25 years, Global Relay has set the standard in enterprise information archiving with industry-leading cloud archiving, surveillance, eDiscovery, and analytics solutions. We securely capture and preserve the communications data of the world's most highly regulated firms, giving them greater visibility and control over their information and ensuring compliance with stringent regulations.

Though we offer competitive compensation and benefits and all the other perks one would expect from an established company, we are not your typical technology company. Global Relay is a career-building company. A place for big ideas. New challenges. Groundbreaking innovation. It's a place where you can genuinely make an impact - and be recognized for it.

We believe great businesses thrive on diversity, inclusion, and the contributions of all employees. To that end, we recruit candidates from different backgrounds and foster a work environment that encourages employees to collaborate and learn from each other, completely free of barriers., At Global Relay, there's no ceiling to what you can achieve. It's the land of opportunity for the energetic, the intelligent, the driven. You'll receive the mentoring, coaching, and support you need to reach your career goals. You'll be part of a culture that breeds creativity and rewards perseverance and hard work. And you'll be working alongside smart, talented individuals from diverse backgrounds, with complementary knowledge and skills.

Global Relay is an equal-opportunity employer committed to diversity, equity, and inclusion.

We seek to ensure reasonable adjustments, accommodations, and personal time are tailored to meet the unique needs of every individual.

To learn more about our business, culture, and community involvement, visit .