The Role
Lead internal IT operations and manage Microsoft Azure, Microsoft 365, and on-premises infrastructure. Administer Azure services, Microsoft 365 tenant components, Windows Server/AD, networking, backups, endpoint security, and disaster recovery. Provide L2/L3 support, lead client implementations and migrations, mentor junior staff, drive automation with PowerShell, ensure SLA compliance, and maintain IT policies, documentation, and security best practices.
Summary Generated by Built In
Job Description – Senior IT Admin(Azure, Microsoft 365 & Infrastructure)
We are looking for a highly motivated, technically strong, and proactive Senior IT Admin to lead and support the organization's internal IT operations while delivering enterprise-grade infrastructure, Microsoft cloud, and security solutions for both internal stakeholders and clients.
This role requires an individual with an ownership mindset who can independently manage Microsoft Azure, Microsoft 365, infrastructure operations, identity management, endpoint security, and client implementations. The successful candidate will also provide technical leadership, mentor junior team members, participate in architectural discussions, and drive continuous improvement across the IT environment.
Key Responsibilities
Internal IT Leadership
- Lead day-to-day internal IT operations and ensure high availability of business-critical systems.
- Take ownership of IT infrastructure, cloud services, endpoint management, and security operations.
- Provide technical guidance and mentorship to junior IT administrators and support engineers.
- Drive continuous improvement initiatives to enhance IT processes, security, and operational efficiency.
- Develop and maintain IT standards, policies, SOPs, and documentation.
- Ensure compliance with company security policies and industry best practices.
- Manage IT assets, licensing, hardware lifecycle, and software inventory.
- Coordinate with vendors, partners, and service providers.
Microsoft Azure Administration
- Design, deploy, and manage Microsoft Azure environments.
- Administer:
- Azure Virtual Machines
- Virtual Networks (VNets)
- Network Security Groups (NSGs)
- Azure Storage
- Azure Backup
- Azure Recovery Services
- Azure Monitor
- Azure App Services
- Azure Key Vault
- Configure VPN connectivity, networking, routing, and firewall rules.
- Monitor Azure performance, utilization, and cost optimization.
- Implement Azure security best practices.
Microsoft 365 Administration
Manage and support the complete Microsoft 365 ecosystem, including:
- Exchange Online
- Microsoft Teams
- SharePoint Online
- OneDrive for Business
- Microsoft Intune
- Microsoft Defender
- Microsoft Purview
- Azure AD / Microsoft Entra ID
Responsibilities include:
- User administration
- Mailbox management
- Distribution groups
- Shared mailboxes
- Teams administration
- SharePoint permissions
- OneDrive management
- License management
- Security configuration
- Compliance configuration
- Tenant administration
Infrastructure Administration
- Manage Windows Server environments.
- Administer Active Directory.
- Manage Group Policies (GPOs).
- Configure DNS, DHCP, VPN, networking, and storage.
- Monitor server performance and infrastructure health.
- Manage backups and disaster recovery processes.
- Support virtualization platforms where required.
Client Infrastructure & Implementations
- Lead technical implementation projects for clients.
- Conduct technical discovery sessions.
- Participate in solution design and architecture discussions.
- Handle Microsoft 365 migrations and tenant-to-tenant migrations.
- Support Azure migrations.
- Configure hybrid environments.
- Work closely with project managers and implementation teams.
Client Engagement
- Participate confidently in client meetings.
- Understand client business requirements.
- Provide technical recommendations and solution design.
- Conduct technical workshops and demonstrations.
- Resolve complex infrastructure issues independently.
- Build trusted relationships with client stakeholders.
Operations & Service Delivery
- Handle L2 and L3 escalations.
- Ensure SLA compliance.
- Perform root cause analysis.
- Monitor infrastructure health and alerts.
- Coordinate incident response.
- Maintain service documentation.
- Improve operational processes.
Automation & Continuous Improvement
- Identify opportunities for automation.
- Develop PowerShell scripts where applicable.
- Improve operational efficiency through automation.
- Standardize deployment and operational procedures.
- Contribute to process optimization initiatives.
Required Skills & Experience
- 5+ years of hands-on experience in IT Infrastructure and Microsoft technologies.
- Strong expertise in Microsoft Azure administration.
- Strong experience with Microsoft 365 administration.
- Experience managing enterprise IT environments.
- Excellent understanding of:
- Azure Virtual Machines
- Azure Networking
- Azure Storage
- Microsoft Entra ID
- Active Directory
- Windows Server
- DNS
- DHCP
- VPN
- Networking
- Identity & Access Management
- Microsoft Intune
- Endpoint Security
- Experience with backup and disaster recovery.
- Strong troubleshooting and analytical skills.
- Excellent written and verbal communication.
- Ability to work independently and manage multiple priorities.
- Experience working in Managed Services or client-facing environments.
Preferred Qualifications
- Microsoft Certified: Azure Administrator Associate
- Microsoft 365 Administrator Expert
- Microsoft Certified: Security, Compliance & Identity Fundamentals
- Microsoft Certified: Identity and Access Administrator
- ITIL Foundation Certification
- Experience with PowerShell scripting and automation.
- Experience with Microsoft Defender suite.
- Knowledge of cybersecurity frameworks and best practices.
- Familiarity with Azure DevOps or infrastructure automation is an advantage.
Personal Attributes
- Strong ownership mindset.
- Leadership qualities with the ability to mentor others.
- Highly accountable and dependable.
- Customer-focused approach.
- Strong decision-making ability.
- Excellent problem-solving skills.
- Ability to remain calm under pressure.
- Continuous learning mindset.
- Strong organizational and time management skills.
- Professional, confident, and client-focused communication.
Role Expectations
The Senior IT Admin will be expected to:
- Lead internal IT operations with minimal supervision.
- Take complete ownership of assigned infrastructure and client environments.
- Drive operational excellence and continuous improvement.
- Ensure high availability, security, and compliance of IT systems.
- Lead technical discussions with internal and external stakeholders.
- Mentor junior team members and promote knowledge sharing.
- Deliver projects and operational tasks within agreed timelines.
- Maintain exceptional service quality and customer satisfaction.
- Proactively identify risks and recommend improvements.
- Act as a trusted technical advisor for both internal teams and clients.
Skills Required
- 5+ years of hands-on experience in IT Infrastructure and Microsoft technologies.
- Strong expertise in Microsoft Azure administration.
- Strong experience with Microsoft 365 administration (Exchange Online, Teams, SharePoint, OneDrive, Intune, Defender, Purview, Azure AD/Entra ID).
- Experience managing enterprise IT environments and client-facing/managed services engagements.
- Experience with Azure services including VMs, VNets, NSGs, Storage, Backup, Recovery Services, Monitor, App Services, and Key Vault.
- Knowledge and hands-on experience with Active Directory, Windows Server, Group Policy, DNS, DHCP, VPN, and networking.
- Experience with backup and disaster recovery processes and monitoring infrastructure health.
- Strong troubleshooting, analytical, written, and verbal communication skills.
- Leadership and ability to mentor junior IT administrators.
- Ability to work independently, manage multiple priorities, and ensure SLA compliance.
- Experience with PowerShell scripting and automation.
- Microsoft Certified: Azure Administrator Associate.
- Microsoft 365 Administrator Expert.
- Microsoft Certified: Security, Compliance & Identity Fundamentals.
- Microsoft Certified: Identity and Access Administrator.
- ITIL Foundation Certification.
- Experience with Microsoft Defender suite and endpoint security.
- Knowledge of cybersecurity frameworks and best practices.
- Familiarity with Azure DevOps or infrastructure automation.
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The Company
What We Do
Valenta is a global service provider that combines AI-powered intelligent automation with on-demand staffing to help small and mid-sized businesses eliminate manual work, cut costs, and scale operations faster. They specialize in process consulting, digital transformation, and staff augmentation, delivering these as a managed service to help businesses grow through effective staffing solutions and improved operational efficiencies.
