Cloud System Administrator

MANTECH•Annapolis Junction, MD

1d•$128,000 - $214,400•Onsite

About The Position

MANTECH seeks an experienced, career- and customer-oriented Cloud System Administrator to join its team in Annapolis Junction, Maryland. The role uses technical expertise and leadership to deploy, maintain, and secure hybrid cloud and on-premises systems, supporting operational availability, automated infrastructure provisioning, and mission performance. The environment primarily uses AWS alongside existing on-premises server infrastructure. The administrator supports Windows Server 2019/2022, Windows 10/11 clients, and enterprise Linux distributions including RHEL 8/9 and Amazon Linux 2023. The role also manages identity and core network services, develops automation and configuration management, collaborates with software development teams on operational stability and CI/CD pipelines, and monitors availability, performance, and security. An active TS/SCI clearance with polygraph is required.

Requirements

Bachelor’s degree in Systems Engineering, Computer Science, or a related discipline and 10+ years of experience as a Systems Administrator or Cloud Engineer; alternatively, five additional years of Systems Administrator experience may substitute for the degree.
Practical experience managing core AWS resources, including EC2, S3, VPC, IAM, or auto-scaling environments.
Hands-on experience administering Windows Server, Active Directory, and Linux operating systems.
Active DoD IAT Level II certification, such as Security+ CE, or commitment to obtain it within 60 days of the program start date.
Active TS/SCI clearance with polygraph.
Ability to remain stationary 50% of the time.
Ability to occasionally move about inside the office to access file cabinets, office machinery, and similar items.
Ability to frequently communicate with co-workers, management, and customers, including delivering presentations, and exchange accurate information.

Nice To Haves

Hands-on experience writing and implementing automation using SaltStack, Ansible, BASH, and Python.
Experience managing, maintaining, and securing enterprise data storage systems across cloud and hybrid infrastructure to optimize performance, backup integrity, and cost control.
Familiarity with cloud security compliance frameworks and risk mitigation standards.
Strong communication and teamwork abilities, with demonstrated experience collaborating in enterprise or government IT environments.

Responsibilities

Deploy, administer, and maintain cloud environments, primarily AWS, while supporting existing on-premises server infrastructure.
Administer and troubleshoot Windows Server 2019/2022, Windows 10/11 clients, and enterprise Linux distributions, including RHEL 8/9 and Amazon Linux 2023.
Manage enterprise identity and core network services, including Active Directory, DNS, and Certificate Authorities.
Develop and maintain scripts and configurations to streamline infrastructure provisioning and automated configuration management.
Partner with software development teams to support operational stability of auto-scaled software deployments and CI/CD pipelines.
Monitor system availability, performance, and security posture; conduct root-cause analysis and incident response as needed.