Senior Systems Administrator

Actively Reviewing

TechSur Solutions

4–8 yrs exp Posted 1 month ago · Apply by Jul 18, 2026

Job Description

TechSur Solutions is a digital services company whose mission is to enable digital transformation for our customers to improve quality and efficiency. Based in the DC metropolitan area, TechSur specializes in advanced cloud services, modernization for both IT structures and applications, leveraging Agile development, and Data Analytics. Since we were formed in August of 2016, we have supported multiple impactful and exciting government programs.

Job Description

Roles and Responsibilities

Seeking an experienced Senior Systems Administrator in Virtualization and Hyper-converged Infrastructure technologies Nutanix, VMware, and information technology enterprise systems. Key role will include experiencing in T infrastructure specially managing Windows server and Nutanix AOS and AHV cluster environment, Citrix VDI (creating and maintaining images) environment, Linux (RHEL, Ubuntu or CentOS), network security, active directory management, exchange mailbox, network storage and backups, and threat and vulnerability monitoring.
May interact with network services, software systems engineering, and/or applications development to restore service and/or identify and correct core problem. The ideal candidate will possess strong expertise in virtual enterprise solutions and basic networking, securing enterprise environments, Hypervisor expertise and Microsoft domain services management, familiarity with automation and scripting languages along with proficiency in collaboration tools such as SharePoint and Teams.

Qualifications

Required Skills

Knowledge of Vitalization and hyper-converged infrastructure (HCI) technologies – Nutanix AHV, VMware, Hyper-V, Citrix VDI (XenApp, FlexApps)
Manage and optimize VMware and/or Nutanix virtualization technologies, implement data protection DR solutions
Provide support for Citrix VDI, snapshots, and replication
Experience with networking, administering backups, and distributed storage systems – Cohesity, SAN environment
Ability to handle cluster upgrades, security hardening, Firewalls, threat monitoring, and troubleshooting
Install, configure, and maintain Windows Server environments, DNS, DHCP including Active Directory and Group Policy management.
Monitor network and systems performance and troubleshoot connectivity issues.
Perform system patching and updates to ensure compliance and security.
Document system configurations, procedures, and security policies.
Capture, document, and maintain knowledge documents and processes
Collaborate with cross-functional teams to enhance system functionality and security,
Resolve hardware and application issues with clear communication
Experience managing standing up and troubleshooting Windows Server Operating Systems in virtual and physical environments (i.e. VMware or Hypervisor)
Automation – experience with scripting languages and tools PowerShell, and familiarity with Python or Ansible

Education