Systems Administrator – AWS Cloud Operations & Security (On-call)

ICF
📍 Rockville, MD, United States 💼 Full-time 🕒 Posted June 07, 2026

Job Description

Description

The Systems Administrator is responsible for the installation, configuration, operation, maintenance, monitoring, and security of enterprise infrastructure and AWS cloud environments. This position supports Windows and Linux servers, cloud services, web applications, databases, and security tools to ensure system availability, performance, and compliance with organizational and regulatory requirements.

**Key Responsibilities**

+ Administer and maintain AWS cloud infrastructure including ALB, EC2, S3, CloudFront, ECS, IAM, VPC, Route 53, Lambda, Systems Manager, CloudWatch, Config, Security Hub, GuardDuty, and AWS Backup.
+ Install, configure, maintain, and troubleshoot Windows Server and Linux operating systems.
+ Administer core infrastructure services including Active Directory, DNS, IIS, FTP, file services, and remote access solutions.
+ Administer and manage several ColdFusion servers with SOLR search. This includes administration an...

Ready to Apply?

Submit your application today and join our talented team at ICF.

Submit Application

Job Details

  • Location Rockville, MD
  • Job Type Full-time
  • Category other-general
  • Posted Date June 07, 2026
  • Application Deadline June 13, 2026