Classified Systems Administrator with Secret Clearance - DoD/RMF

Bart & Associates, LLC; Huntsville (AL); On-site; USD 75,000 - 110,000; Full time

Benefits offered by this job

Health insurance

401(k) with company match

Training and certifications

Job summary

Bart & Associates, LLC is seeking a Systems Administrator to support a federal government contract, providing hands-on administration for Windows workstations and servers, Active Directory, and security compliance tools in a classified environment.

The role emphasizes vulnerability assessments, ongoing monitoring, patching, and documenting changes, with focus on audit readiness, government security baselines, and collaboration with security teams.

Qualifications

• Experience administering Windows-based systems in secure or classified environments.
• Experience with Active Directory administration and account management.
• Knowledge of vulnerability management processes and tools, including Nessus.
• Experience conducting SCAP and STIG compliance assessments.
• Understanding of cybersecurity principles, auditing, logging, and continuous monitoring.
• Experience troubleshooting workstation and server issues.
• Ability to document configurations, changes, and technical procedures.
• Strong analytical, problem-solving, and communication skills.

Responsibilities

• Administer and support the Open Storage Area (OSA) environment.
• Troubleshoot workstation, server, and user-related technical issues.
• Install, configure, update, and patch operating systems and software.
• Provide end-user technical support and resolve operational issues.
• Monitor system health, performance, and operational stability.
• Coordinate hardware maintenance, replacement, and lifecycle activities.
• Unlock disabled or locked user accounts.
• Perform password resets and account maintenance activities.
• Administer Active Directory user and group accounts.
• Create, modify, and disable user accounts based on approved requests.
• Review user accounts for inactivity, authorization, and compliance.
• Conduct recurring Nessus vulnerability scans.
• Review, document, and track vulnerability findings through remediation.
• Perform SCAP and STIG compliance assessments.
• Implement required security patches, updates, and STIG configurations.
• Review audit logs for suspicious activity, security events, and policy violations.
• Escalate security incidents and concerns to the Information Systems Security Manager (ISSM).
• Support Continuous Monitoring (CONMON) activities and security reporting requirements.
• Review and analyze Windows audit logs and EventSentry logs.
• Monitor privileged user account activity.
• Investigate unusual system behavior and security events.
• Verify audit logging and monitoring functions remain operational.
• Support Defense Counterintelligence and Security Agency (DCSA) inspections, audits, and assessments.
• Maintain approved system configurations and security baselines.
• Document hardware, software, and configuration changes.
• Support Security Impact Analyses (SIAs).
• Assist with Configuration Control Board (CCB) processes and activities.
• Maintain accurate hardware and software inventory records.
• Coordinate approved media transfers with designated Data Transfer Agents (DTAs).
• Ensure compliance with approved transfer procedures and security policies.
• Support media scanning, handling, and accountability processes.

Skills

Windows administration

Active Directory

Vulnerability management

SCAP/STIG

Cybersecurity principles

Documentation

Troubleshooting

Communication

Education

Bachelor's degree in IT, CS, Cybersecurity, or related

Tools

Nessus

EventSentry

Job description

Bart & Associates, LLC is seeking a Systems Administrator to support a federal government contract, providing hands-on administration for Windows workstations and servers, Active Directory, and security compliance tools in a classified environment.

The role emphasizes vulnerability assessments, ongoing monitoring, patching, and documenting changes, with focus on audit readiness, government security baselines, and collaboration with security teams.