System Maintenance Technician II; Linux​/Unix

Overview

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.

TISTA associates enjoy above Industry Healthcare Benefits, Remote Working Options, Paid Time Off, Training/Certification opportunities, Healthcare Savings Account & Flexible Savings Account, Paid Life Insurance, Short-term & Long-term Disability, 401K Match, Professional development reimbursement, Employee Assistance Program, Paid Holidays, Military Leave, and much more!

• Solar Winds, Science Logic, Splunk, SNMP, or equivalent monitoring training – Desired for interpreting infrastructure alerts, system‑health conditions, and performance anomalies. /li
• Data-center operations and server-room safety training – Desired for rack‑and‑stack activities, power and cabling work, physical inspections, equipment handling, and controlled data‑center operations.
• Hardware break/fix and field‑replaceable‑unit training – Desired hands‑on experience replacing memory, CPUs, disk drives, motherboards, expansion cards, and power supplies, followed by successful server restart and health validation.
• Linux/Unix server‑maintenance command proficiency – Required practical skill in checking file system capacity, identifying large/old/duplicate files, calculating directory sizes, and performing other maintenance diagnostics.
• Monitoring and maintenance tool familiarity – Desired experience with tools identified in the maintenance requirements, including Big Fix, SNMP, Git Hub, Solar Winds, Splunk, QRadar, EnCase, Science Logic, Puppet, IPMI, iLO, and iDRAC.
• Preventive and emergent maintenance planning – Ability to schedule routine maintenance without disrupting normal workflow, recognize emergent maintenance needs, select an appropriate response, and maintain accurate maintenance logs.
• Vendor maintenance coordination training/experience – Desired experience coordinating field‑engineer visits, validating systems after warranty maintenance, and updating associated tickets.

• RAID and enterprise storage training – Desired for disk health monitoring, RAID troubleshooting, disk replacement, SMART status validation, and storage integrity.
• Red Hat Satellite training – Desired for Linux infrastructure inventory, patch‑level verification, and system lifecycle support.
• Big Fix training – Desired for patch‑status validation, endpoint compliance, and infrastructure maintenance activities.
• Ansible and Puppet familiarity/training – Desired for configuration‑management awareness, automation support, and validation of server‑management agents.
• Service Now and CMDB training – Desired for incident, maintenance, asset, configuration, and work‑record documentation.

Desired

Qualifications:

• CompTIA Server+ – Desired for enterprise server hardware installation, troubleshooting, maintenance, storage, and lifecycle support.
• CompTIA A+ – Desired for foundational hardware diagnostics, component replacement, peripheral support, and troubleshooting.
• CompTIA Linux+ or equivalent Linux administration training – Desired for Linux command‑line maintenance, file system analysis, storage utilization, and basic OS troubleshooting.
• Red Hat Certified System Administrator (RHCSA) or Red Hat Linux administration training – Desired for RHEL system maintenance, storage, file systems, services, and troubleshooting.
• Oracle Solaris Administration training or certification – Desired for Solaris server maintenance,…