AWS Cloud Infra Engineer – Automation & Modernization

Leidos; Gaithersburg (MD); On-site; USD 58,000 - 105,000; Full time

Job summary

Leidos is seeking a Cloud Infrastructure Engineer to support the operation, automation, and modernization of AWS and hybrid-cloud infrastructure for federal systems. The role emphasizes hands‑on learning, ownership, and collaboration with senior engineers to implement changes and maintain infrastructure-as-code.

You will work on monitoring, vulnerability remediation, and security-hardening activities while developing automation to reduce repetitive work and expanding your expertise in cloud

Qualifications

• Bachelor’s degree in information systems or relevant field and 1–3 years of practical field experience.
• Ability to obtain public trust clearance.
• Ability to independently manage assigned work, document technical activities, communicate issues, and seek assistance when appropriate.
• Demonstrated self-initiative to build enterprise‑like AWS systems and resources that align with well‑architected frameworks.
• Understanding of basic networking concepts including TCP/IP, DNS, routing, subnets, and firewalls/security groups.
• Basic understanding of infrastructure security concepts such as least privilege, vulnerability remediation, system hardening, and security baselines.
• Hands‑on experience building solutions with CloudFormation, Terraform, Python, or other tools

Responsibilities

• Support AWS infrastructure including EC2, S3, VPC, IAM, CloudWatch, Systems Manager, load balancing, DNS, and related services.
• Implement infrastructure changes using established architecture, procedures, and infrastructure-as-code.
• Maintain and modify Terraform and/or CloudFormation configurations under guidance from senior engineers.
• Monitor cloud resources and investigate availability, performance, configuration, and security issues.
• Troubleshoot networking, operating system, application connectivity, permissions, DNS, and cloud-service issues.
• Support vulnerability remediation, patching, configuration compliance, and security-hardening activities.
• Assist with cloud migrations, modernization efforts, disaster recovery, and infrastructure lifecycle activities.
• Develop scripts and automation to reduce repetitive administrative work.
• Maintain technical documentation, diagrams, procedures, and change records.
• Participate in incident response and root-cause analysis.
• Work with senior engineers to learn cloud architecture, security, networking, automation, and operational best practices.
• Gradually assume ownership of cloud services and technical workstreams as experience develops.

Skills

Python

Networking concepts

Security basics

Documentation

Education

Bachelor’s degree in information systems or relevant field

Public trust eligibility

Tools

Terraform

CloudFormation

Python

Job description

Leidos is seeking a Cloud Infrastructure Engineer to support the operation, automation, and modernization of AWS and hybrid-cloud infrastructure for federal systems. The role emphasizes hands‑on learning, ownership, and collaboration with senior engineers to implement changes and maintain infrastructure-as-code.

You will work on monitoring, vulnerability remediation, and security-hardening activities while developing automation to reduce repetitive work and expanding your expertise in cloud