Senior Cloud Engineer (AWS)

Description

The Health and Services Operation of Leidos is seeking a Senior Cloud Engineer to support our NIH (National Institutes of Health) client in Bethesda, MD, in architecting, securing, and operating enterprise AWS networking environments supporting mission-critical NIH systems. This role requires deep AWS expertise combined with a strong working knowledge of federal cybersecurity mandates, compliance frameworks, and zero-trust architecture principles.

Candidates MUST:

• US Citizen or Green Card holder with the ability to obtain and maintain HHS Public Trust clearance
• Be currently located in the UNITED STATES for the CURRENT three consecutive years

Primary Responsibilities:

• Provide AWS network administration, security, configuration management, and maintenance of MULTIPLE VPCs , S ecurity Groups, Load Balancers, Web Application Firewalls, and related cloud-based network architecture for a custom-built enterprise system
• Implement network configuration changes using Infrastructure-as-a-Service model, develop network designs, and implement cloud security best practices
• Maintain and ensure the ongoing stability and continuous operations of internal and external connections, including Direct Connect (DX)
• Harden cloud networking environments to ensure compliance with FedRAMP Moderate/High, NIST 800-53, and Zero Trust Architecture (ZTA) requirements
• Provide technical expertise in all areas of network and software interconnection and interfacing, such as ALBs, NLBs, Security Groups, gateways, etc.
• Perform requirements gathering, gap analysis, technical studies, risk assessments, and vendor selection for cloud networking projects and system enhancements
• Collaborate with Security, DevOps, and Systems Engineering teams to ensure compliance and performance
• Participate in a 24x7 365 days a year on-call rotation for Production systems, investigate, mitigate, and resolve network related issues in accordance with SLA's
• Maintain processes and technical documentation, network diagrams, etc.

Education:

• Minimum of Bachelor's degree, or higher, in a System Engineering, Computer Science, Information Systems or other related field
• MUST hold an AWS CertifiedSolutionsArchitect or AWS Certified Advanced Networking Certification

Qualifications:

• 10+ years of relevant work experience in managing and designing AWS-based networks for large, enterprise-level systems
• Expert-level experience working in AWS (VPC, VPN Gateways, EC2 Instances, Route53) and a deep understanding of AWS network architecture, AWS concepts, API's, protocol, and its extensions (SOAP, REST, etc.)
• Strong Infrastructure-as-Code (CloudFormation, Terraform, Ansible) and scripting (Python, Bash) skills and knowledge of AWS Lambda
• Expertise in designing and implementing VPCs, VPC routing, and VPC security for enterprise systems
• Excellent interpersonal and communication skills, with experience working in a highly collaborative environment
• Proven in-depth, hands-on experience with Agile/Scrum/Lean software development methods
• Proven experience preparing and presenting technical documentation to various audiences
• Ability to work on multiple assignments in parallel, balancing time and schedule based on the business priorities of the organization

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares.

Original Posting: April 6, 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 $107,900.00 - $195,050.00

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

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

Securing Your Data

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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.

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