Systems Administrator

T. Baker Smith•Corpus Christi, LA

30d

About The Position

The Systems Administrator is responsible for the reliable, secure, and well-monitored day-to-day operation of the firm’s core systems and infrastructure platforms. A primary focus of this role is maintaining system health, monitoring utilization and capacity trends, and proactively identifying when infrastructure resources approach or exceed established thresholds. The position performs system administration, executes approved infrastructure and security tasks, and ensures operational stability across a Windows-centric, multi-office environment. The Systems Administrator supports the IT Infrastructure Manager by absorbing routine and repeatable system-level operational responsibilities while providing timely visibility into capacity, performance, and risk indicators to enable informed infrastructure planning and decision-making.

Requirements

Bachelor’s degree in Information Systems, Computer Science, or a related field; or equivalent combination of education and experience.
Three to five years of hands-on experience in systems administration within a Windows-centric environment.
Working knowledge of Microsoft 365, Windows Server, Active Directory and Entra, and enterprise IT systems.
Experience supporting hybrid on-premises and cloud infrastructure.
Working knowledge of core IT security concepts including patch management, access control, vulnerability remediation, and incident response support.
Experience monitoring system performance and capacity and communicating operational risk or growth trends.
Strong troubleshooting, documentation, and operational discipline skills.
Ability to follow defined standards, processes, security controls, and change management practices.
Clear written and verbal communication skills with technical and non-technical audiences.

Responsibilities

Perform day-to-day administration of Windows servers, directory services, and core infrastructure platforms.
Execute approved infrastructure changes, maintenance activities, and updates in alignment with established standards, change controls, and security requirements.
Support hybrid on-premises and cloud environments to ensure reliable and secure operation across multiple offices.
Assist with system provisioning, configuration, and lifecycle management for infrastructure components.
Administer Microsoft 365 services, including identity, access, and configuration management, under established policies and security controls.
Manage user, group, and service account administration beyond basic end-user support tasks, ensuring appropriate access and least-privilege alignment.
Execute routine patching, updates, and maintenance activities across systems and platforms to maintain operational stability and security posture.
Assist with backup operations, validation testing, and recovery readiness activities.
Monitor system health, performance, utilization, and capacity across infrastructure platforms using established monitoring and alerting tools.
Track resource consumption trends and identify early indicators of capacity constraints or performance degradation.
Establish, maintain, and monitor capacity thresholds and alerting mechanisms in alignment with infrastructure standards.
Proactively notify the IT Infrastructure Manager when utilization trends, growth patterns, or system behavior indicate approaching or exceeded thresholds or signal the need for planning or remediation.
Investigate and remediate system-level alerts, vulnerabilities, and operational issues in coordination with infrastructure leadership.
Support infrastructure-related incident response activities, including containment, remediation, and recovery actions, under established procedures.
Document capacity-related observations, risks, and recommendations to support infrastructure planning discussions.
Maintain accurate system, configuration, monitoring, and capacity documentation.
Ensure administrative activities align with approved infrastructure standards, security policies, and compliance requirements.
Contribute to documentation updates that support operational continuity, audit readiness, and long-term infrastructure planning.
Support infrastructure and security-related projects by executing assigned technical tasks under the direction of the IT Infrastructure Manager.
Prepare systems and environments for upgrades, expansions, deployments, security improvements, and firmwide initiatives.
Coordinate with IT Support leadership to align infrastructure and security work with end-user operations and minimize disruption.
Provide operational, security, and capacity context to infrastructure leadership to support informed planning, prioritization, and risk management.
Support associates when infrastructure-related issues require system-level troubleshooting, when broader operational impact is identified, or when urgent firm needs require coordinated IT response.
May be assigned service desk tickets or direct associate support tasks when operational needs require, including situations involving infrastructure-related issues, limited support capacity, physical proximity, or overall IT team workload considerations.