AWS System Administrator

Si Tec Consulting; Springfield (VA); Hybrid; USD 110,000 - 150,000; Full time

Job summary

Si Tec Consulting seeks an AWS System Administrator to support mission-critical applications in Springfield, VA, or St. Louis, MO. The role requires active TS/SCI clearance, U.S. citizenship, and DoD 8140/8570 IAT Level II certification. You will manage daily cloud operations, optimize performance, and implement security controls.

You will automate tasks with Python/Bash/AWS CLI/CloudFormation and work with cross-functional teams to sustain platform availability and resilience.

Qualifications

• Four to six years of systems or cloud administration experience.
• Bachelor's degree in information technology, information systems, computer science, or a related technical field.
• Current DoD 8140/8570 IAT Level II certification.
• Hands-on AWS administration and troubleshooting experience.

Responsibilities

• Provision and manage EC2, EBS, VPCs, security groups, IAM roles, and related AWS resources.
• Monitor system health and resolve performance or availability issues.
• Apply access controls, encryption, vulnerability management, and cloud security best practices.
• Automate administrative tasks using Python, Bash, AWS CLI, or CloudFormation.
• Maintain backup, recovery, patching, and operational procedures.
• Collaborate with development, operations, and security teams.

Skills

AWS

Cloud automation

Security best practices

Scripting (Python Bash)

Education

Bachelor's degree in IT/CS

Tools

AWS CLI

CloudFormation

Python

Bash

Job description

AWS System Administrator

Locations: Springfield, VA or St. Louis, MO
Clearance: Active TS/SCI

Administer and secure AWS infrastructure supporting mission-critical applications. You will manage daily cloud operations, troubleshoot performance issues, automate routine work, and help ensure platform availability and resilience.

What You Will Do

• Provision and manage EC2, EBS, VPCs, security groups, IAM roles, and related AWS resources.
• Monitor system health and resolve performance or availability issues.
• Apply access controls, encryption, vulnerability management, and cloud security best practices.
• Automate administrative tasks using Python, Bash, AWS CLI, or CloudFormation.
• Maintain backup, recovery, patching, and operational procedures.
• Collaborate with development, operations, and security teams.

What You Bring

• Active TS/SCI clearance and U.S. citizenship.
• Ability to obtain a CI polygraph within six months.
• Four to six years of systems or cloud administration experience.
• Bachelor's degree in information technology, information systems, computer science, or a related technical field.
• Current DoD 8140/8570 IAT Level II certification.
• Hands-on AWS administration and troubleshooting experience.