Senior System Administrator with Security Clearance

ManTech seeks a motivated, career and customer-oriented Senior System Administrator; to join our team in Chantilly, VA. A qualified Senior Systems Administrator will support a secure Windows-based Information System and will assist and support the installation, operation, and maintenance of all current and future Information Systems. Duties and responsibilities involve the support and administration of Windows servers and Windows workstations in an Amazon cloud environment. Additional duties include ICD 503 accreditation tasks, system documentation, analyzing and troubleshooting system anomalies, and ensuring optimal Information System performance. Responsibilities include, but are not limited to: Establish and maintain servers and workstations in an Amazon cloud environment.
Establish and maintain S3 environments.
Plan and implement activities in support of ICD 503 requirements.
Perform Windows system administrative support to include adding and removing users, performing backups, installing software, monitoring system activity, and assisting users on a daily basis.
Maintain knowledge of AWS (C2S) snapshots, backups, storage and managing the creation and deletion according to policy.
Maintain and troubleshoot customer Windows servers and workstations.
Perform technical modifications and configuration changes on virtual systems. Minimum Qualifications: Bachelor's Degree in IT or related field.
5+ years of experience in System Administration with a proven track record in managing IT systems.
Experience with AWS services.
Proficiency in managing S3 storage and configuring networking and security settings such as security groups.
Basic understanding of identity access management principles.
Have a minimum of a DoD 8570 IAT Level II. Preferred Qualifications: Advanced AWS certification (e.g., AWS Certified Solutions Architect, AWS Certified SysOps Administrator).
Experience with automation tools and scripting languages (e.g., Python, Bash).
Knowledge of DevOps practices and tools (e.g., Jenkins, Terraform).
Clearance Requirements: Must have a current/active TS/SCI w/Polygraph. Physical Requirements: The person in this position must be able to remain in a stationary position 50% of the time. Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations.