Senior AWS Cloud Engineer: Security, IaC & Multicloud

AgileGrid Solutions; United States; On-site; USD 140,000 - 200,000; Full time

Benefits offered by this job

Health insurance

Retirement plans

Paid time off

Continuous learning

Job summary

MANTECH is seeking a motivated and experienced Principal AWS Cloud Engineer to join their enterprise cloud team in Chantilly, VA. This pivotal role serves as the primary AWS technical authority, responsible for leading the design, deployment, and security management of the organization’s primary AWS environment.

The ideal candidate will drive cloud security monitoring, threat detection, and multi-cloud alignment with Azure and OCI, developing automation and audit-ready workflows to support

Qualifications

• Bachelor’s degree in CS/IT or related field, or 4+ years IT/engineering experience.
• 7+ years of cloud computing and engineering experience with focus on AWS.
• Active DoD 8570/8140 IAT Level II certification or ability to obtain within 30 days of hire.
• Hands-on experience designing, building, and securing enterprise AWS environments using EC2, S3, IAM, VPC, Route53, RDS, CloudFront, and Lambda.

Responsibilities

• Serving as the principal subject matter expert for the administration, security hardening, and management of AWS enterprise infrastructure.
• Architecting, deploying, and optimizing automated cloud security monitoring, threat detection, and event-driven logging pipelines using AWS Security Hub, GuardDuty, AWS Config, CloudTrail, CloudWatch, EventBridge, and Lambda.
• Leading the deployment of Infrastructure as Code (IaC) and Configuration as Code (CaC) solutions using Terraform or AWS CloudFormation, adhering to a code-first, audited workflow.
• Enforcing IAM governance policies, Service Control Policies (SCPs), least-privilege access principles, permission boundaries, and Zero Trust security architectures across multi-account AWS Organizations.
• Providing Tier 3 escalation support to diagnose and resolve complex technical, network, security, and performance issues across AWS and connected environments.
• Developing and maintaining automation scripts in Python, Bash, or PowerShell to streamline operations, vulnerability remediation, and system health telemetry.
• Collaborating with engineering and operational teams to align AWS security baselines with Azure and OCI, and documenting automated workflows and Service Design Packages for audit readiness.

Skills

AWS Architecture

Cloud Security

IaC (Terraform)

IaC (CloudFormation)

Python

PowerShell

Bash

DoD IAT II

Zero Trust

Multi-account governance

Education

Bachelor's degree in CS/IT or related field

4+ years IT/engineering experience

Tools

EC2

S3

IAM

VPC

Route53

RDS

CloudFront

Lambda

Job description

MANTECH is seeking a motivated and experienced Principal AWS Cloud Engineer to join their enterprise cloud team in Chantilly, VA. This pivotal role serves as the primary AWS technical authority, responsible for leading the design, deployment, and security management of the organization’s primary AWS environment.

The ideal candidate will drive cloud security monitoring, threat detection, and multi-cloud alignment with Azure and OCI, developing automation and audit-ready workflows to support