Senior Systems Admin – Cloud, Windows & Security

Link Solutions, Inc.

Orlando, Northern (FL, KY)

Hybrid

USD 100,000 - 130,000

Full time

26 hours ago

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Benefits offered by this job

Relocation assistance

Certification reimbursement

Medical insurance

Dental and vision

Paid holidays

PTO

Life insurance

Relocation reimbursement incentive

Job summary

Link Solutions, Inc. in Orlando, FL is seeking a Senior Systems Administrator to join our enterprise infrastructure team.

You will lead administration, security, and modernization across Windows Server, Active Directory, Microsoft 365, and virtualization platforms to support DoD-aligned operations. Responsibilities include patching, hardening, cloud migration, disaster recovery, backup governance with Veeam/NetBackup, and automation via PowerShell.

Qualifications

IAT Level II Certification equivalent or higher perDoD 8570/DoD 8140.
Eight (8+) years of experience supporting, administering, and troubleshooting enterprise IT environments.
Experience with Active Directory, Group Policy, Microsoft 365, virtualization platforms, and enterprise systems administration.
Experience leading infrastructure modernization, cloud migration, disaster recovery, and business continuity initiatives.
Experience administering virtualization technologies such as VMware vSphere, Microsoft Hyper-V, or similar enterprise platforms.
Experience managing enterprise backup and recovery solutions including Veeam, NetBackup, and HPE StoreOnce.
Experience developing and maintaining PowerShell scripts for automation, system administration, and operational efficiency.
Experience leading technical troubleshooting, root cause analysis, and resolution of complex infrastructure issues.
Experience creating and maintaining technical documentation, architecture diagrams, and configuration standards.
Experience mentoring junior administrators and serving as a senior technical resource for infrastructure operations.
Experience monitoring system performance, capacity, availability, and reliability within enterprise environments.
Ability to collaborate with engineering, cybersecurity, networking, and stakeholder teams to drive infrastructure strategy and operational improvements.
Baseline certification required within six (6) months of hire if not already obtained.

Responsibilities

Lead the administration, maintenance, security, and optimization of enterprise IT systems and infrastructure.
Design, implement, and manage Windows Server environments, Active Directory, Microsoft 365 services, and enterprise infrastructure platforms.
Oversee patch management, configuration management, system hardening, and cybersecurity compliance initiatives.
Administer virtualization technologies, cloud services, storage platforms, and backup/recovery solutions.
Develop and maintain PowerShell automation scripts and infrastructure management processes.
Lead cloud migration, modernization, and technology refresh initiatives.
Implement and maintain disaster recovery, business continuity, and system resiliency strategies.
Manage enterprise backup operations utilizing technologies such as NetBackup, Veeam, and HPE StoreOnce.
Monitor performance metrics and implement improvements to system availability, capacity, and reliability.
Develop and maintain technical documentation, SOPs, architecture diagrams, and operational standards.
Collaborate with cybersecurity teams to remediate vulnerabilities and maintain compliance with applicable security requirements.
Provide technical mentorship and guidance to junior administrators.
Support high-priority troubleshooting, root cause analysis, and incident resolution efforts.
Advise stakeholders on infrastructure strategy, technology improvements, and operational best practices.