Senior Cloud System Administrator

ManTech seeks a motivated, career- and customer-oriented Sr Cloud System Administrator to join our team in Hanover, MD.

Our team delivers enterprise infrastructure capabilities for a global workforce performing a wide range of missions in defense of our Nation. This effort supports the Enterprise Infrastructure Services (EIS) organization, which oversees MPO's Enterprise Information Technology (EIT)-the backbone platform for all enterprise users.

Responsibilities include, but are not limited to:

• Provide administration and support for Windows Server 2022 environments, including Active Directory, and manage Windows 10/11 client systems.
• Architect, deploy, and maintain robust cloud environments, primarily within AWS, while also supporting existing on-premise server infrastructure.
• Develop, implement and maintain automation scripts and configurations using SaltStack to streamline infrastructure provisioning, configuration management and deployment processes.
• Collaborate with development teams to support integration and operational stability of CI/CD pipelines, ensuring smooth deployment and reliable software deployments.
• Administer, monitor, and troubleshoot AWS cloud resources, including EC2, S3, VPC, IAM, and other core services
• Monitor system performance, availability, and security, responding to incidents and performing root cause analysis
• Administer and troubleshoot various Linux distributions (e.g., Ubuntu, CentOS, RHEL) within both cloud and on-premise contexts

Minimum Qualifications:

• 20+ years of experience as a Systems Administrator or Cloud Engineer supporting programs and contracts of similar scope and complexity
• Bachelor's degree in system engineering, Computer Science, Information Systems, Engineering Science, Engineering Management or related professional engineering discipline from an accredited college or university is requires. An additional 5 years of System Engineer experience may be substituted
• Must hold an IAT II certification (e.g., Security+ or equivalent); candidates will have 60 days from program start to obtain it
• Proficiency in administering Linux operating systems.
• Experience with Windows Server 2022 administration, including Active Directory and networking
• Proven experience as a System Administrator or Cloud Engineer with practical knowledge of cloud environments

Preferred Qualifications:

• Experience working in enterprise or government environments
• Familiarity with cloud security and compliance practices
• Hands-on experience with Amazon Web Services (AWS) for infrastructure deployment, management, and troubleshooting
• Strong communication and interpersonal skills, capable of working effectively in a team environment
• Proficiency in administering and troubleshooting Linux distributions (e.g., Ubuntu, CentOS, RHEL).

Clearance Requirements:

• Must have a current/active TS/SCI with Polygraph

Physical Requirements:

• The candidate must be able to move, carry, and deliver workstations from the office to customer desks
• The person in this position must be able to remain in a stationary position 50% of the time
• Must communicate with co-workers, management, and customers via email, phone, or virtual meetings, which may involve delivering presentations. Must be able to exchange accurate information in these situations.