Senior System Administrator - Linux/Windows, TS/SCI

AeroVironment, Inc.; Maryland; On-site; USD 150,000 - 175,000; Full time

Benefits offered by this job

Medical insurance

Dental and vision

401K with company matching

9/80 work schedule

Paid holiday shutdown

Job summary

BlueHalo is seeking a System Administrator to manage and support mission-critical IT infrastructure across Windows and UNIX systems. The role involves day-to-day operations, troubleshooting, and maintenance in a multi-platform environment.

You will provide Tier I/II support, manage networks and servers, and ensure vulnerability management with Nessus. A TS/SCI with polygraph is required for access to sensitive information and ITAR considerations.

Qualifications

• Bachelor’s degree in Information Technology, Information Systems, Computer Engineering, or related field is required or equivalent combination of education and experience.
• Minimum 10+ years of system administration experience.
• Strong RedHat Linux and Windows (2012/2016/2019) troubleshooting skills.
• Familiarity with Nessus, POA&Ms, and STE/STN initiatives.
• Experience configuring UNIX and Windows environments.

Responsibilities

• 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.
• 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

System administration

RedHat Linux

Windows

Nessus

IT security

UNIX

Troubleshooting

Vulnerability management

Education

Bachelor’s degree in IT / Computer Science or related field

Tools

Nessus

Job description

BlueHalo is seeking a System Administrator to manage and support mission-critical IT infrastructure across Windows and UNIX systems. The role involves day-to-day operations, troubleshooting, and maintenance in a multi-platform environment.

You will provide Tier I/II support, manage networks and servers, and ensure vulnerability management with Nessus. A TS/SCI with polygraph is required for access to sensitive information and ITAR considerations.