Systems Administrator

Systems Administrator Location US-VA-Herndon ID 2026-8110 Category Information Technology Position Type Full-Time Remote No Clearance Level TS/SCI FS Poly Description Markon is seeking an experienced Systems Administrator to support and maintain enterprise IT infrastructure in a secure, mission-focused environment. The ideal candidate will have deep experience managing Linux and Windows environments, implementing security best practices, and supporting complex server ecosystems. Responsibilities Monitor system logs, applications, and infrastructure health on a daily basis; implement automation wherever possible Perform system backups and data archiving in accordance with Sponsor-approved schedules Harden Linux systems following information security engineering principles and industry best practices Maintain and administer enterprise server environments, including: Windows Servers Linux Servers Oracle Database Servers Apache Servers DNS Servers Domain Controllers Apply server patches an...