System Administrator, Level 2 (Night Shift)

Job Description

• Administer, maintain, monitor, and secure enterprise servers, operating systems, applications, and mission-critical IT environments in Annapolis Junction, MD.
• Diagnose system, application, hardware, and network issues; provide advanced support for escalated help desk and Tier 1 incidents.
• Perform patching, upgrades, migrations, deployments, configuration changes, capacity planning, performance tuning, and system health monitoring.
• Implement and monitor access controls, antivirus, endpoint protection, firewalls, and other security controls; participate in audits, risk assessments, compliance, and remediation activities.
• Requires either a High School Diploma/GED plus 15 years of relevant experience or a Bachelor's degree plus 10 years; DoD 8570 IAT Level I and an active TS SCI with appropriate Polygraph are mandatory. Wednesday–Sunday, 10:00 PM–6:00 AM, with initial Monday–Friday, 6:00 AM–2:00 PM training schedule.