Senior System Administrator

• Perform assigned duties with a minimal level of oversight and guidance from senior tier technical team members.
• Guide the activities and training for lower Tier team members to achieve assigned mission goals.
• Manage, install, monitor, operate, maintain, administrate, troubleshoot, repair, and assist in the design of associated systems and software in support of Department of Veteran Affairs (DVA) data protection. DVA data protection systems support VA mission and production operations by providing platforms and services that safeguard data and ensure the DVA continuity of operations.
• Help prevent data loss, theft, corruption, and minimize damages caused by a breach or disaster using a variety of data protection strategies and recovery methods.
• Utilize data encryption, data storage systems (e.g., HDD, SSD, Hybrid Flash, Cloud, Backup Appliance, Optical, etc.).
• Server administration (e.g., Linux, Windows, etc.) and data backup & restore applications (e.g., Commvault, Oracle Recovery Manager, etc.).

• Proficient and capable of demonstrating advanced skills in Microsoft Windows operating systems (ref: Windows Server Administration Fundamentals Training).
• Proficient and capable of demonstrating advanced skill level in administration, maintenance, and repair of data protection storage systems assigned to data protection team. (e.g., Cisco Scale Protect, EMC/Dell Data Domain, IBM Tape Libraries, NetApp Storage, etc.).
• Proficient and capable of demonstrating intermediate skills in Linux operating systems (e.g., Linux Essentials, Linux +, etc.).
• Proficient and capable of demonstrating intermediate skill level with scripting (e.g., Shell Scripting, etc.).
• Proficient in advanced problem identification, diagnosis, resolution, capable of identifying need for Tier-4 escalation and capable of coordinating escalation with detailed change management records.

Education:

• Bachelor’s degree in computer science, electronics engineering or related technical discipline and 5+ years’ work experience.
• Eight (8) years of additional relevant experience may be substituted for education (13 years total).

Clearance:

• The ability to pass a Tier 4/HIGH Background Investigation.

TISTA Science and Technology Corporation life insurance, paid time off, paid holidays, 401(k) United States, Pennsylvania, Philadelphia Aug 20, 2026 Overview

TISTA Science and Technology is seeking a Senior System Administrator 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!