AWS Cloud Engineer

About the Company

MANTECH is a leading provider of innovative technology solutions dedicated to delivering mission-critical services to government agencies and commercial clients. With a strong focus on cybersecurity, cloud computing, and enterprise IT modernization, MANTECH prides itself on fostering a culture of innovation, integrity, and excellence. The company is committed to empowering its clients through advanced technological capabilities and dedicated expertise, ensuring mission success in a rapidly evolving digital landscape. MANTECH’s reputation is built on its ability to provide tailored solutions that meet complex operational requirements while maintaining the highest standards of security and compliance.

About the Role

We are seeking a motivated and experienced Principal AWS Cloud Engineer to join MANTECH’s dynamic enterprise cloud team in Chantilly, VA. This pivotal role serves as the primary AWS technical authority, responsible for the design, deployment, and security management of our core AWS environment. The ideal candidate will possess deep expertise in cloud security monitoring, threat detection, and multi-cloud security alignment across Azure and Oracle Cloud Infrastructure (OCI). This position offers an exciting opportunity to lead complex cloud initiatives, drive security best practices, and influence strategic cloud architecture decisions. The Principal AWS Cloud Engineer will collaborate closely with cross-functional teams to ensure the integrity, security, and efficiency of our cloud infrastructure, supporting MANTECH’s mission to deliver secure and resilient cloud solutions for our clients.

Qualifications

• A bachelor’s degree in Computer Science, Information Technology, or a related field, or an additional 4+ years of relevant IT/engineering experience in lieu of a degree.
• At least 7 years of extensive cloud computing and engineering experience, with a focus on AWS environments.
• Active DoD 8570/8140 IAT Level II certification such as Security+ CE, CCNA Security, CySA+, SSCP, or GSEC, or the ability to obtain certification within 30 days of hire.
• Proven experience designing, building, and securing enterprise AWS environments utilizing services like EC2, S3, IAM, VPC, Route53, RDS, CloudFront, and Lambda.
• Strong proficiency in Infrastructure as Code (Terraform or CloudFormation) and scripting languages such as Python, Bash, or PowerShell, with execution via AWS CLI.
• Expertise in configuring multi-account governance, implementing Zero Trust security architectures, and developing automated cloud security monitoring pipelines.

Responsibilities

• Serving as the principal subject matter expert for the administration, security hardening, and management of AWS enterprise infrastructure and cloud footprint.
• 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, ensuring adherence to a code-first, audited workflow.
• Enforcing IAM governance, Service Control Policies (SCPs), least-privilege access, 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 challenges 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 secondary cloud environments such as Azure and OCI, documenting automated workflows, and preparing audit documentation to ensure compliance and readiness.

Benefits

MANTECH offers a comprehensive benefits package designed to support the well-being and professional growth of its employees. This includes competitive salary packages, health, dental, and vision insurance, retirement plans, paid time off, and opportunities for continuous learning and certification. Employees also have access to flexible work arrangements, wellness programs, and a collaborative work environment that encourages innovation and professional development. MANTECH values its employees and strives to create a workplace culture that promotes diversity, inclusion, and work-life balance.