Role Summary:
We are looking for an experienced Exchange & Cloud Architect to manage, secure, and optimize a hybrid messaging environment comprising Exchange Server 2019 on-premises and Microsoft 365 Exchange Online. The role will lead Exchange 2019 to Office 365 migration initiatives and support broader cloud, server, virtualization, security, and backup operations.
Key Responsibilities:
- Administer and maintain the hybrid Exchange environment, ensuring seamless integration between on-premises Exchange 2019 and Exchange Online
- Lead end-to-end planning and execution of Exchange 2019 to Microsoft 365 migration projects
- Manage identity and directory services, including Microsoft Entra ID, Azure AD Connect, and Active Directory
- Oversee Windows Server, Linux Server, and Hyper-V virtualization environments
- Implement and maintain email security, SSL/TLS, WAF, and backup/disaster recovery protocols
- Monitor system performance, troubleshoot issues, and maintain accurate technical documentation
- Support broader cloud initiatives across Microsoft Azure, with working knowledge of AWS and Oracle Cloud Infrastructure
- Collaborate with stakeholders to align infrastructure decisions with business and security requirements
Required Technical Skills:
Messaging & Microsoft 365
- Exchange Server 2019, Exchange Online, Hybrid Exchange, Microsoft 365 Administration
Identity & Directory
- Microsoft Entra ID, Azure AD Connect, Active Directory, Group Policy, DNS, DHCP
Cloud Platforms
- Strong knowledge of Microsoft Azure; awareness of AWS and Oracle Cloud Infrastructure
Servers & Virtualization
- Windows Server, Linux Server Administration, Hyper-V
Security & Continuity
- WAF, email security, SSL/TLS, backup and recovery, disaster recovery planning
Migration & Operations
- Cloud migration planning, mailbox migration, troubleshooting, monitoring, documentation
Required Experience:
- 5–7 years of experience in Microsoft messaging, infrastructure, and cloud technologies
- Hands-on experience with Exchange Server 2019 administration and Exchange Hybrid deployments
- Proven experience leading Exchange 2019 to Microsoft 365 / Office 365 migration projects
Preferred Certifications:
Microsoft 365 & Exchange
- Microsoft 365 Certified: Administrator Expert (MS-102)
- Exchange Online Administrator or equivalent messaging certification
Microsoft Azure
- Microsoft Certified: Azure Administrator Associate (AZ-104)
- Azure Solutions Architect Expert (AZ-305)
Windows / Hybrid Infrastructure
- Windows Server Hybrid Administrator Associate (AZ-800/AZ-801)
- Hyper-V Administration certification (preferred)
Cloud Platforms
- AWS Certified Cloud Practitioner or Solutions Architect Associate
- Oracle Cloud Infrastructure Foundations Associate
Education:
- Bachelor's degree in Computer Science, Information Technology, or a related field
- Relevant Microsoft, cloud, infrastructure, and security certifications will be considered an added advantage
Key Competencies:
- Exchange architecture and operations
- Microsoft 365 and cloud migration expertise
- Hybrid infrastructure and security management
- Troubleshooting and incident resolution
- Technical documentation and stakeholder communication
Skills Required
- 5-7 years of experience in Microsoft messaging, infrastructure, and cloud technologies
- Hands-on experience administering Exchange Server 2019
- Hands-on experience with Exchange Hybrid deployments
- Proven experience leading Exchange Server 2019 to Microsoft 365 or Office 365 migration projects
- Bachelor's degree in Computer Science, Information Technology, or a related field
- Microsoft 365 Certified Administrator Expert certification MS-102
- Exchange Online Administrator or equivalent messaging certification
- Microsoft Certified Azure Administrator Associate certification AZ-104
- Azure Solutions Architect Expert certification AZ-305
- Windows Server Hybrid Administrator Associate certifications AZ-800 and AZ-801
- Hyper-V administration certification
- AWS Certified Cloud Practitioner or Solutions Architect Associate certification
- Oracle Cloud Infrastructure Foundations Associate certification
What We Do
Founded in 1994 and built on a strong geoscience and data management footprint, LMKR has evolved into a premier technology company expanding its reach to Clean Energy, Transportation, Agri-Tech and Digital Media. LMKR is a private business with global operations serving fortune 500 companies, SMEs and government regulatory organizations in over 80 countries. The company offers a diverse portfolio of products and services through a combination of online and onsite solutions. For more information on LMKR visit: www.lmkr.com Like us on Facebook: /lmkrnews Follow us on twitter: @lmkrnews Subscribe to our YouTube channel: https://www.youtube.com/c/LMKRChannel







