Senior Systems Administrator – TS/SCI w/ Poly, Linux & AWS

Legato, LLC; Maryland; On-site; USD 190,000 - 240,000; Full time

Job summary

Legato, LLC in Annapolis Junction, MD seeks a Senior Systems Administrator to maintain secure, scalable enterprise systems and network infrastructure. TS/SCI w/ Polygraph clearance is required with the ability to support after-hours on-call rotations.

Key responsibilities include Linux-based environments, Windows support, system hardening, patching, configuration management, and collaboration with software developers and engineers to ensure reliable operations and effective IT security across

Qualifications

• At least ten (10) years of experience as a Systems Administrator supporting complex enterprise systems and technical environments.
• Strong Linux system administration and engineering experience.
• Working knowledge of Windows operating systems.
• Experience analyzing and resolving complex server hardware, software, and application integration issues.
• Experience performing system hardening, security patching, configuration management, and system maintenance.
• Experience diagnosing hardware and software failures, troubleshooting system performance issues, and replacing defective components.
• Experience administering and maintaining computer networks, servers, and supporting infrastructure.
• Experience supporting software development, system integration, verification, and testing activities.
• Experience gathering and analyzing user requirements to identify and resolve system and network issues.
• Experience developing and maintaining system documentation, technical procedures, and configuration records.
• Ability to collaborate with multidisciplinary engineering teams and communicate technical information effectively.
• Willingness to participate in a weekly rotating after-hours on-call schedule.

Responsibilities

• Support administration, maintenance, security, and optimization of complex enterprise systems and network infrastructure.
• Analyze and resolve complex server hardware, software, and application integration issues.
• Collaborate with software developers and engineering teams to support software development, verification, and testing.

Skills

Linux system administration

Windows administration

Networking

Troubleshooting

Security patching

Documentation

Education

Bachelor's degree in a technical discipline

Alternative: 5 years of additional relevant Systems Administration experience may substitute for a bachelor’s degree

Tools

AWS

Keycloak

LDAP

GeoServer

Apache NiFi

Job description

Legato, LLC in Annapolis Junction, MD seeks a Senior Systems Administrator to maintain secure, scalable enterprise systems and network infrastructure. TS/SCI w/ Polygraph clearance is required with the ability to support after-hours on-call rotations.

Key responsibilities include Linux-based environments, Windows support, system hardening, patching, configuration management, and collaboration with software developers and engineers to ensure reliable operations and effective IT security across