Senior System Administrator — Mission-Critical IT Ops (TS/SCI)

InvestedintheMission; Jessup (MD); On-site; USD 170,000 - 220,000; Full time

Benefits offered by this job

Medical, dental, vision

401K with company matching

9/80 work schedule

Job summary

AeroVironment is seeking a System Administrator to manage mission-critical IT infrastructure across Windows and UNIX platforms, combining hands-on operations with troubleshooting in a dynamic, multi-platform environment.

The position requires deep experience with RedHat Linux and Windows systems, Nessus-based vulnerability management, and a TS/SCI clearance with polygraph. Join a team supporting secure, reliable IT operations with vendor collaborations.

Qualifications

• Bachelor’s degree in IT or related field, or equivalent combination with 5+ years SA experience.
• Minimum 15+ years of system administration experience.
• Strong RedHat Linux and Windows (2012/2016/2019) troubleshooting skills.
• Familiarity with Nessus, POA&Ms, and STE/STN initiatives.
• Active TS/SCI with Polygraph.

Responsibilities

• Analyze and resolve complex problems associated with server hardware, applications and software integration.
• Provide detailed analysis and feedback to agency management and internal customers for escalated tickets.
• Manage the daily activities of configuration and operation of IT systems.
• Provide Tier I and II IT support and problem resolution.
• Manage client/server/storage/network infrastructure.
• Configure and manage RedHat Linux and Windows systems.
• Support vulnerability management using Nessus.
• Handle STE/STN scoring and documentation.
• Maintain POA&Ms and patch systems based on security and functional parameters.
• Collaborate with hardware vendors on system specs and refreshes.
• Analyze escalated issues and provide actionable feedback.

Skills

RedHat Linux

Windows Server

Nessus

POA&Ms

STE/STN

UNIX

System Administration

TS/SCI with Polygraph

Education

Bachelor's degree or equivalent in IT/related field

Job description

AeroVironment is seeking a System Administrator to manage mission-critical IT infrastructure across Windows and UNIX platforms, combining hands-on operations with troubleshooting in a dynamic, multi-platform environment.

The position requires deep experience with RedHat Linux and Windows systems, Nessus-based vulnerability management, and a TS/SCI clearance with polygraph. Join a team supporting secure, reliable IT operations with vendor collaborations.