Senior Systems Administrator - Windows & Security (TS/SCI)

Ashburn-Consulting; Purcellville (VA); Hybrid; USD 100,000 - 120,000; Full time

Job summary

Ashburn Consulting supports FEMA CCD at Mount Weather with secure, enterprise-grade IT administration. The role covers Windows Server, Active Directory, Linux, and related infrastructure; requires strict security controls and DHS/FEMA compliance.

Work involves coordination with DHS and FEMA teams, implementation of STIGs, change control, and continuity planning to ensure mission readiness for critical communications and continuity environments.

Qualifications

• Active final Top Secret clearance with SCI eligibility.
• Bachelor’s degree preferred; relevant work experience may substitute.
• 3–5 years of hands-on system-administration or secure-infrastructure experience.
• Hands-on Windows Server and Active Directory administration, with working Linux knowledge.
• Experience with virtualization, backup/recovery, patch management, system hardening, logging, and vulnerability remediation.

Responsibilities

• Administer, monitor, troubleshoot, patch, harden, upgrade, and maintain Windows Server, AD, workstations, and related infrastructure; provide working Linux support.
• Manage accounts, permissions, authentication, GPOs, access controls, and configured security settings under government direction.
• Support virtualization, backups, patching, vulnerability scanning, STIG implementation, and log review.
• Assist with FEMA OCIO change control and configuration management; maintain baselines and test records.
• Track and maintain high-value assets, licenses, and system-of-record entries per FEMA directives.
• Support testing, operational-readiness, incident response, and service restoration.

Skills

CCNA certification

PowerShell

Group Policy

Security hardening

Education

Bachelor's degree preferred

Tools

Windows Server

Active Directory

Linux

VMware/ virtualization

Job description

Ashburn Consulting supports FEMA CCD at Mount Weather with secure, enterprise-grade IT administration. The role covers Windows Server, Active Directory, Linux, and related infrastructure; requires strict security controls and DHS/FEMA compliance.

Work involves coordination with DHS and FEMA teams, implementation of STIGs, change control, and continuity planning to ensure mission readiness for critical communications and continuity environments.