System Maintenance Technician II (Linux/Unix)

TISTA Science and Technology Corporation•Austin, TX

2d•Onsite

About The Position

TISTA Science and Technology is seeking a System Maintenance Technician II to join our growing team. At TISTA, you’ll do meaningful, mission‑driven work that improves lives alongside teammates you trust and leaders who are transparent and supportive. We invest in your learning and internal mobility so you can build a career that keeps advancing. We’re proud to serve and hire Veterans, and we put people first in everything we do.

Requirements

Practical skill in checking filesystem capacity, identifying large/old/duplicate files, calculating directory sizes, and performing other maintenance diagnostics on Linux/Unix servers.
Ability to schedule routine maintenance without disrupting normal workflow, recognize emergent maintenance needs, select an appropriate response, and maintain accurate maintenance logs.
AA or two year technical school degree and 3+ years’ work experience, or four (4) additional relevant years of experience may be substituted for education (7 years total).
Ability to pass a Tier 2/Moderate Background Investigation.

Nice To Haves

SolarWinds, ScienceLogic, Splunk, SNMP, or equivalent monitoring training.
Data-center operations and server-room safety training.
Hardware break/fix and field-replaceable-unit training.
Experience with monitoring and maintenance tools including BigFix, SNMP, GitHub, SolarWinds, Splunk, QRadar, EnCase, ScienceLogic, Puppet, IPMI, iLO, and iDRAC.
Vendor maintenance coordination training/experience.
RAID and enterprise storage training for disk health monitoring, RAID troubleshooting, disk replacement, SMART status validation, and storage integrity.
Red Hat Satellite training for Linux infrastructure inventory, patch-level verification, and system lifecycle support.
BigFix training for patch-status validation, endpoint compliance, and infrastructure maintenance activities.
Ansible and Puppet familiarity/training for configuration-management awareness, automation support, and validation of server-management agents.
ServiceNow and CMDB training for incident, maintenance, asset, configuration, and work-record documentation.
CompTIA Server+ certification.
CompTIA A+ certification.
CompTIA Linux+ or equivalent Linux administration training.
Red Hat Certified System Administrator (RHCSA) or Red Hat Linux administration training.
Oracle Solaris Administration training or certification.
Dell, HPE, Oracle, or equivalent enterprise server hardware training.
iDRAC, iLO, IPMI, or equivalent out-of-band management training.

Responsibilities

Interpreting infrastructure alerts, system-health conditions, and performance anomalies using SolarWinds, ScienceLogic, Splunk, SNMP, or equivalent monitoring training.
Performing rack-and-stack activities, power and cabling work, physical inspections, equipment handling, and controlled data-center operations with data-center operations and server-room safety training.
Hands-on experience replacing memory, CPUs, disk drives, motherboards, expansion cards, and power supplies, followed by successful server restart and health validation through hardware break/fix and field-replaceable-unit training.
Performing Linux/Unix server-maintenance diagnostics such as checking filesystem capacity, identifying large/old/duplicate files, and calculating directory sizes.
Utilizing monitoring and maintenance tools including BigFix, SNMP, GitHub, SolarWinds, Splunk, QRadar, EnCase, ScienceLogic, Puppet, IPMI, iLO, and iDRAC.
Planning and scheduling routine maintenance without disrupting normal workflow, recognizing emergent maintenance needs, selecting appropriate responses, and maintaining accurate maintenance logs.
Coordinating field-engineer visits, validating systems after warranty maintenance, and updating associated tickets through vendor maintenance coordination training/experience.