Senior Cloud Engineer

Leidos; Reston (VA); Hybrid; USD 92,300 - 166,850; Full time

Job summary

Leidos is seeking a Senior Cloud Engineer in Reston, Virginia, to advance secure, scalable AWS architectures across unclassified and classified enclaves in a hybrid environment.

You will lead automation, cloud-native modernization, and secure operations with DoD RMF, NIST, and CIS/STIG guidance, leveraging Terraform, CloudFormation, and Python to keep systems resilient and compliant.

Qualifications

• Requires TS/SCI with Polygraph and US citizenship.
• Typically 12–15 years of relevant experience, or Masters with 10–13 years of experience.
• Experience designing or operating within AWS GovCloud (US) regions.
• Experience with AWS core services (EC2, S3, VPC, RDS, Route53, IAM, CloudWatch, KMS).
• Experience with Terraform or CloudFormation.
• Experience in OS and Scripting with Python.
• Understanding of DoD RMF, NIST frameworks, and SRG.

Responsibilities

• Architect, design, and deploy secure, scalable AWS solutions for unclassified and classified environments.
• Ensure secure hybrid connectivity and data replication between unclassified and classified networks/enclaves.
• Provision and maintain IaC using Terraform or CloudFormation.
• Maintain CI/CD pipelines (GitLab, GitHub Actions) for automated deployments.
• Monitor cloud system performance, availability, and reliability; troubleshoot issues.

Skills

TS/SCI w/ Polygraph

US Citizenship

AWS GovCloud

Terraform

CloudFormation

Python

Education

BS degree

Masters degree

Tools

Terraform

CloudFormation

GitLab

GitHub Actions

Job description

Description

Analysis Solutions Business Area (ASBA) is seeking a Senior Cloud Engineer in Reston, Virginia. The successful candidate will work as a member of a government contractor team managing and securing mission critical infrastructure. You will work in a hybrid environment, bridging the gap between unclassified and classified enclaves, while ensuring compliance with federal mandates. You will act as a key technical resource, driving automation, cloud-native modernization, and secure operations across isolated cloud boundaries. Work will be performed in a fast-paced, high-energy environment inside a government facility.

Primary Responsibility

Cloud Architecture & Engineering

• Architect, design, and deploy secure, scalable, and highly available AWS solutions tailored for unclassified and classified environments.

• Ensure seamless hybrid connectivity and secure data replication between unclassified and classified networks/enclaves.

• Provision and maintain Infrastructure as Code (IaC) using tools such as Terraform or AWS CloudFormation.

Security & Compliance

• Implement strict security controls to align with DoD RMF, NIST SP 800-53, and CIS/STIG hardening guidelines across all AWS instances.

• Manage Identity and Access Management (IAM), multi-factor authentication (MFA), and secure key management utilizing AWS KMS.

• Audit and validate air-gapped or classified cloud environments to ensure they strictly adhere to federal data-at-rest and data-in-transit encryption standards.

Operations & Deployment

• Maintain CI/CD pipelines (e.g., GitLab, GitHub Actions) for smooth, automated, and audited deployments.

• Monitor cloud system performance, availability, and reliability, proactively resolving infrastructure defects and bottlenecks.

• Troubleshoot complex, interconnected cloud stacks, performing root-cause analysis when operational issues occur.

Qualifications

• TS/SCI Clearance w/Polygraph is required to be considered

• Must be a US Citizen

• Requires an in-depth understanding of technical principles, theories, concepts and their application across range of programs. Typically requires BS degree and 12 – 15 years of prior relevant experience or Masters with 10 – 13 years of prior relevant experience. A with a minimum of 3+ years of hands-on, production-level AWS cloud engineering experience.

• Demonstrated ability designing or operating within AWS GovCloud (US) regions.

• Experience with AWS Core services (EC2, S3, VPC, RDS, Route53, IAM, CloudWatch, KMS.)

• Experience with Terraform or CloudFormation.

• Experience in OS and Scripting with Python.

• Understanding of DoD Cloud Computing Security Requirements Guide (SRG), RMF, and NIST frameworks

Preferred Qualifications

• AWS Certified Solutions Architect (Associate or Professional), AWS Certified DevOps Engineer, or DoD 8570/8140 compliance (e.g., CompTIA Security+).

Original Posting

June 16, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range

Pay Range $92,300.00 - $166,850.00

The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com .

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits .

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

REQNUMBER: R-00185574

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status. Leidos will consider qualified applicants with criminal histories for employment in accordance with relevant Laws. Leidos is an equal opportunity employer/disability/vet.