Sr Systems Administrator

TransCore; Houston (TX); On-site; USD 90,000 - 130,000; Full time

Job summary

TransCore in Houston, Texas seeks a Senior Systems Administrator to provide day-to-day advanced technical support for multi-server tolling applications. You will work independently and with regional teams to resolve issues and convey complex information to varied audiences.

The role emphasizes proactive maintenance, security controls, disaster recovery, and project leadership to improve reliability and performance across the LAN/WAN environment.

Qualifications

• 15+ years of Systems Administrator experience.
• Deep expertise in Windows environments and Active Directory.
• Experience with Hyper‑V failover clustering and Dell Storage.
• Strong networking knowledge including Palo Alto and Cisco products.
• Proficient in PowerShell, scripting, and system monitoring tools.
• Ability to work under pressure and communicate clearly.

Responsibilities

• Oversee servers, storage, networks, and databases for high availability.
• Implement backup and disaster recovery strategies and test regularly.
• Enforce security policies and manage firewalls and controls.
• Monitor system health, capacity, and performance; respond to alerts.
• Lead infrastructure projects, upgrades, and migrations with minimal impact.
• Maintain documentation, runbooks, and configuration records.
• Mentor junior administrators and manage vendor relationships.

Skills

Windows environments

Active Directory

DNS

DHCP

TCP/IP

PowerShell

Scripting

Networking

Education

Associate degree

Tools

Hyper-V

Dell Storage

Microsoft System Center

SolarWinds

CrowdStrike

WSUS

Job description

Sr. Systems Administrator – Houston, Texas

TransCore (TRN), a subsidiary of ST Engineering, is seeking a talented Sr. Systems Administrator to join our team in Houston, Texas.

Summary

The Senior Systems Administrator position provides day-to-day advanced technical support for existing customer installations as well as new deployments of proprietary multi-server tolling applications. This role will be responsible for working both independently and in coordination with the regional support teams to resolve issues in a timely manner. Communicating highly technical information to both technical and nontechnical personnel is a key part of this role and responsibility of the Senior Systems Administrator.

Essential Duties And Responsibilities

• Oversee servers, storage, networks, databases to maintain high availability and performance
• Provides troubleshooting and repair for moderate network solutions.
• Quickly identifies and repairs common problems.
• Implement and maintain backup and disaster recovery strategies, including regular testing and recovery drills
• Enforce security policies, configure firewalls, and apply security controls to protect systems and data
• Monitor for vulnerabilities and implement remediation measures.
• Ensure compliance with regulatory and organizational standards.
• Evaluates interface between users, hardware and software, and operational and performance requirements of overall server systems.
• Maintains servers and user accounts.
• Daily system maintenance review, such as systems log, antivirus server logs, etc.
• Provides monitoring and reports of the operational status of LAN/WAN environment as needed.
• Interacts with vendors.
• Install, configure, and upgrade hardware and software, including operating systems, virtualization platforms, and database systems
• Recommends the acquisition of new hardware and/or software as needed.
• Monitor system health, capacity, and performance; act on alerts to prevent outages
• Perform capacity planning to anticipate growth and optimize resource allocation.
• Investigate and resolve incidents, conduct root cause analysis, and document corrective actions
• Manage service requests and meet defined service level targets.
• Automate repetitive tasks and workflows to improve consistency and reduce manual effort
• Lead infrastructure projects, upgrades, and migrations with minimal business impact
• Follow approved change control processes and collaborate with stakeholders to align technical solutions with business requirements.
• Maintain accurate technical documentation, runbooks, and configuration records
• Share knowledge and mentor junior administrators to raise team capability.
• Manage vendor relationships, renewals, and support contracts
• Mentor other System Administrators on the team

Requirements And Qualifications

• Deep expertise in Windows environments, Active Directory, DNS, DHCP, TCP/IP, PowerShell, and scripting
• Associate degree from a two-year college or technical school or equivalent combination of education and work experience.
• 15+ years of Systems Administrator experience
• Advanced experience implementing Hyper‑V Virtual machines in a failover cluster
• Advanced Administration and setup of Dell Storage.
• Must be able to work well in a stressful situation such as an entire system malfunction.
• Advanced experience implementing and administrating Microsoft Failover Clusters (A Must)
• Knowledge of Networking (understanding LAN/WAN, Palo Alto, Cisco products)
• Advanced experience troubleshooting Windows Server (2008 or higher)
• Excellent written and verbal communication skills
• HP/Dell server experience
• Advanced experience troubleshooting Active Directory (A Must)
• WSUS Experience
• Microsoft System Center experience
• SolarWinds Experience
• CrowdStrike implementation
• No visa sponsorship is available for this position.

Physical Demands/Work Environment

While performing the duties of this job, the employee is regularly required to talk or hear. The employee is frequently required to sit. The employee is occasionally required to stand, walk; use hands to finger, handle, or feel and reach with hands and arms. The employee must occasionally lift and/or move up to 80 pounds. While performing the duties of this job, the employee is occasionally exposed to fumes or airborne particles; outside weather conditions and moving traffic. The noise level in the work environment is usually moderate to high in the datacenters.

• TransCore complies with federal and state disability laws and provides reasonable accommodation for employees with disabilities.