Senior AWS Cloud Engineer at Leidos in St. Louis, MO

Senior AWS Cloud Engineer
Location: St. Louis, MO
The Leidos Air and FS2 Team team has an opening for an senior AWS Cloud Engineer to work on cloud architecture, integration, and deployment of AWS service offerings across security and technical enclaves. The team is involved in the deployment and maintenance of multiple operational cloud deployed software solutions. A successful candidate will have experience across all AWS Environments and be able to provide analysis and recommendations for architectural and configuration updates. In addition, they will be expected to provide senior expertise, guidance, documentation and implementation support as AWS technologies are rolled out, leveraging industry best practices.
Primary Responsibilities
Collaborates with teams in the design and implementation of AWS system architectures to include operational status and security of government systems (ATO).
Reviews and provides input to system requirements based on cyber security posture.
Compiles industry best practices and lessons learned into future iterations and new designs.
Provides architectural analysis of cloud systems, configurations and enterprise connections.
Supports the Engineering Review Board, evaluating artifacts for architectural compliance.
Creates systemic and repeatable systems architecture and implementation documentation for use across mission areas/teams.
Provides broad-based experience in the systems engineering lifecycle and applies the experience to specific AWS cloud initiatives relating to architectural design and development.
Resolves architecture implementation issues during integration and test.
Provides support directly or through team management, including triaging system outages and ticket support resolution
Advises and assists teams to deploy and configure collection services and tools with 99.9% up-time
Works with team members to move data to the appropriate data stores and monitors dashboard metrics including costs, computational utilization and other future business needs
Validates and manages government systems changes; create, run and validate end-to-end testing
Basic Qualifications
Must possess and maintain a TS/SCI Security Clearance with ability to obtain Poly CI
DoD 8570 Certification Compliance (IAT Level 2/3)
Requires BS degree and & 10+ years’ experience consulting, designing, and implementing distributed solutions and 5+ years’ experience with cloud-based solutions (Cloud, SOA, Web-Services) including virtualization environment, network and operating system experience OR 4 years of additional experience in lieu of degree
Familiar with System Engineering documentation creation (VDDs, diagrams, etc.)
Familiar with team collaboration tools (Jira, Confluence, RocketChat)
Experience in AWS/Cloud technologies and integration
Experience in Grafana
Subject Matter Expertise understanding across AWS cloud technologies including: EC2, PaaS (OpenShift), Lamdas, S3 buckets, Reserved Instances, etc.
Understanding of code baseline management
Utilization of the following: Jira, Confluence, Jenkins, Python, Gitlab, CloudFormation, Zabbix, HPFortify, ACAS, PostgreSQL, Scrum, Kanban, Terraform
Knowledge of Systems, Architectural, SW Development and SW Sustainment Practices
Proactive self-starter demonstrates a positive, willing attitude and excellent oral and written communication skills.
Demonstrates ability to adapt to new technologies and learn quickly
Organizational Skills: Can plan and prioritize work, follow tasks to their logical conclusion and ensure everything has been correctly satisfied to standard. Great attention to detail.
Communications: Ability to communicate clearly and efficiently with team members and clients, verbally and in writing. Able to present ideas in a variety of ways depending upon audience and context.
Preferred Qualifications
Understanding of SFA organization; Aeronautical data and mission
Experience with NGA cloud-based and Enterprise architecture
AWS Solutions Architect, AWS Developer, Certifications
Experience with IC Cloud Architecture implementation methodologies
Native cloud templating services like AWS Cloud Formation
Experience with Aeronautical datasets
Experience with CI/CD Pipelines and projects
Experience with Analysis of Alternatives (AoA) process of evaluating solution options
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:
August 10, 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 $131,300.00 - $237,350.00
The Leidos pay range for this job level is a general guideline only and 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.