AWS System Administrator

Si Tec Consulting; West Springfield (VA); On-site; USD 90,000 - 130,000; Full time

Job summary

Si Tec Consulting seeks an AWS System Administrator to support mission-critical applications from Springfield, VA or St. Louis, MO.

You will administer and secure AWS infrastructure, manage daily cloud operations, and ensure platform availability and resilience.

Active TS/SCI clearance, U.S. citizenship, and DoD 8140/8570 IAT Level II certification are required along with 4–6 years of cloud experience and a related bachelor’s degree.

Qualifications

• Active TS/SCI clearance required.
• U.S. citizenship required.
• 4–6 years of systems or cloud administration experience.
• Bachelor's degree in information technology, information systems, computer science, or related 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 Administration

Automation

Security Best Practices

Education

Bachelor's degree in IT/CS/related

Tools

AWS CLI

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.