Senior Cloud System Administrator

Cloud System Administrator – MANTECH

MANTECH seeks a motivated, career‑oriented 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.

• Manage and maintain server infrastructure in a hybrid environment (on‑premises and AWS cloud).
• Administer and troubleshoot Linux (Amazon Linux 2023, RHEL 8/9) and Windows Server (2016/2022) systems.
• Configure and manage core services such as Active Directory, DNS, and Group Policy.
• Utilize automation and scripting tools like Salt, BASH, Python, and Ansible to streamline operations.
• Support and maintain security posture by addressing IAVAs and ensuring compliance with security standards.
• Provide expert‑level troubleshooting for complex technical issues.
• Collaborate with other teams to design, implement, and maintain system solutions.

• 14+ years of experience as a Systems Administrator or Cloud Engineer supporting programs of similar scope and complexity.
• Bachelor’s degree in Systems Engineering, Computer Science, Information Systems, Engineering Science, Engineering Management, or a related professional engineering discipline. In lieu of a Bachelor’s degree, five (5) additional years of Systems Engineering experience may be substituted.
• Must hold an IAT II certification (e.g., Security+ or equivalent). If you don’t have this, you will be required to obtain it within 60 days of your program start date.
• Experience with AWS and other cloud technologies.
• Proficiency with Amazon Linux 2023, Linux RHEL 8/9, Windows Server 2016/2022.
• Proven ability to work independently and manage multiple tasks.
• Excellent troubleshooting and communication skills.

• Proficiency with automation and configuration management tools like AWS Packer, AWS Cloud Formation, and Ansible.
• Experience with monitoring and security tools such as Splunk and Bigfix.
• Familiarity with Dev Ops tools like Git Lab and Git Lab CI/CD.
• Experience in data flow management using NiFi.
• Experience with Windows‑specific services, including IIS, certificate services, and federated services.
• Strong background in security compliance and IAVA remediation.

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

• The candidate must be able to move, carry, and deliver workstations from the office to customer desks.
• 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 and must be able to exchange accurate information in these situations.

Seniority Level: Mid‑Senior level

Employment Type:

Full‑time
Job Function:
Information Technology
Industry: IT System Data Services