Senior Cloud & Hybrid Infra Engineer (AWS, Windows/Linux)

MANTECH; Maryland; On-site; USD 130,000 - 170,000; Full time

Job summary

MANTECH seeks an experienced Cloud System Administrator to join our team in Annapolis Junction, MD. The role focuses on deploying, maintaining, and securing hybrid cloud and on-premises systems to ensure high availability and robust mission performance.

Responsibilities include managing AWS resources, Windows and Linux environments, and enterprise identity services, with automation and CI/CD pipeline support. DoD IAT Level II clearance, or commitment to obtain, is required.

Qualifications

• Bachelor’s degree in Systems Engineering, Computer Science, or a related discipline with 10+ years of experience as a Systems Administrator or Cloud Engineer (or 5 additional years of SA experience in lieu of a 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 (e.g., Security+ CE) or commitment to obtain within 60 days of program start date.

Responsibilities

• Deploying, administering, and maintaining robust cloud environments (primarily AWS) while actively supporting existing on-premises server infrastructure.
• Providing end-to-end administration and troubleshooting for Windows Server 2019/2022, Windows 10/11 clients, and enterprise Linux distributions (RHEL 8/9, Amazon Linux 2023).
• Managing enterprise identity and core network services, including Active Directory, DNS, and Certificate Authorities.
• Developing and maintaining scripts and configurations to streamline infrastructure provisioning and automated configuration management.
• Partnering with software development teams to ensure operational stability of auto-scaled software deployments and CI/CD pipelines.
• Monitoring system availability, performance, and security posture while conducting root-cause analysis and incident response as needed.

Skills

AWS Core Services

Windows & Linux Admin

Automation & Scripting

CI/CD Collaboration

Education

Bachelor’s degree in Systems Engineering, Computer Science, or related

Tools

SaltStack

Ansible

BASH

Python

Job description

MANTECH seeks an experienced Cloud System Administrator to join our team in Annapolis Junction, MD. The role focuses on deploying, maintaining, and securing hybrid cloud and on-premises systems to ensure high availability and robust mission performance.

Responsibilities include managing AWS resources, Windows and Linux environments, and enterprise identity services, with automation and CI/CD pipeline support. DoD IAT Level II clearance, or commitment to obtain, is required.