Senior System Engineer

2 weeks ago

Islamabad, Islamabad, Pakistan MTBC CareCloud Full time $40,000 - $80,000 per year

Key ResponsibilitiesActive Directory, DNS, and DHCP

  • Support, maintain, and monitor the health of the Active Directory infrastructure, ensuring high availability and optimal performance.
  • Manage and troubleshoot DNS and DHCP services, including replication, zone configurations, and IP address management.
  • Implement Group Policies (GPOs), domain controller deployments, and schema updates as needed.

Microsoft Exchange & Messaging

  • Design, implement, and administer Microsoft Exchange environments (on-premises and/or hybrid).
  • Provide Tier 3 support for messaging, mail flow, security, and performance issues.
  • Plan, coordinate, and execute system upgrades, migrations, patches, and service pack installations.
  • Ensure messaging systems meet compliance, backup, and retention requirements.

Lync / Skype for Business / Unified Communications

  • Support and troubleshoot Lync/Skype for Business environments, including voice, conferencing, presence, and integration with Exchange and AD.
  • Monitor system health and performance, ensuring reliable unified communications services.

Systems Maintenance & Security

  • Perform routine network/system maintenance including applying patches, hotfixes, service packs, firmware updates, and configuration changes.
  • Implement and enforce security configurations to meet compliance and best practice standards.
  • Develop documentation for system configurations, processes, and change management.

Integration & Identity Services

  • Provide LDAP and identity integration services for application teams leveraging Active Directory as the authentication/authorization source.
  • Collaborate with application owners to ensure secure and proper connection using AD, ADFS, or other identity providers.

Monitoring & Optimization

  • Monitor system health, performance, and availability using enterprise monitoring tools.
  • Analyze performance data and recommend improvements to increase efficiency and reliability.
  • Participate in capacity planning and disaster recovery planning.

Tier 3 Support & Leadership

  • Serve as an escalation point for complex technical issues across the enterprise.
  • Provide guidance and mentoring to junior engineers and support teams.
  • Contribute to architectural decisions, roadmap planning, and infrastructure strategy.

Qualifications

  • Bachelor's degree in Computer Science, Information Technology, or equivalent experience.
  • 5–10+ years of experience supporting Microsoft enterprise environments.
  • Deep expertise in Active Directory, Exchange, DNS/DHCP, and Windows Server technologies.
  • Experience with Lync/Skype for Business, LDAP integrations, and enterprise monitoring tools.
  • Strong understanding of networking concepts, firewall rules, certificates, and security best practices.
  • Excellent troubleshooting, documentation, and communication skills.

Job Type: Full-time

Work Location: In person

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