Leidos · 23 hours ago
Senior Full Stack Developer
Arlington, VA
Full-time
Onsite
Senior Level, Lead/Staff
$131K/yr - $237K/yr
12+ years expLeidos is seeking a talented Senior Full Stack Software Engineer to join our team to support our customer. The role involves transforming the current development environment and implementing secure solutions that support business functionality and the underlying infrastructure.
ComputerGovernmentInformation ServicesInformation TechnologyNational SecuritySoftware
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Develop, document, and implement CI/CD strategy for management of Infrastructure as Code (IaC) baseline
Develop and document shared infrastructure component management strategy to provide consistent standardized container, OS, and application baselines for infrastructure components available through self-service
Identify requirements, develop, document, and implement branching strategy to support change management requirements while automating as much of the deployment process as practical in the CI/CD pipeline.ie. Selenium, Prometheus or Cucumber or various DevSecOps functioning to include system debugging
Review, debug, and resolve technical issues throughout all stages of SDLC
Assist with process development and process improvement for Security Operations to include creation/modification of SOPs, Playbooks, and Work instructions
Measure effectiveness of process improvement and automation efforts via metrics and KPIs
Perform integration activities to connect with 3rd party software APIs
Design, implement, and maintain efficient and reusable Python code an be able to leverage C#, Poweshell or Javascript
Analyze user needs and software requirements to determine feasibility of design within time and cost constraints
Applies coding and testing standards, security testing tools (including ‘fuzzing’ static-analysis code scanning tools), threat modeling, and conducts code reviews
Conduct trial runs of programs and software applications to ensure the desired information is produced and instructions are correct
Evaluate factors such as reporting formats required, cost constraints, and need for security restrictions to determine hardware configuration
Identify common coding flaws
Identify security issues around steady state operation and management of software
Incorporate security measures that must be taken when a product reaches end of life
Perform integrated quality assurance testing for security functionality and resiliency attacks
Identify potential flaws in codes to mitigate vulnerabilities
Qualification
Required
U.S. Citizenship and active DoD TS/SCI US Clearance
Bachelor's Degree and a minimum of 12 years of directly relevant technical experience. Additional experience may be considered in lieu of degree
6+ years' experience with designing, building and modifying standalone application software
6+ years' experience developing in SharePoint, 2+ years within SharePoint 2019
5+ years' experience developing in an Agile environment
5+ years' experience working in a Virtual infrastructure
Proficient in JavaScript, jQuery, Bootstrap, REST API, .NET, Visual Studio, SharePoint Designer Workflows, SPFX, Node.js React; JSON, HTML/CSS, XML
Extensive experience in design and automation of security tools and processes
Extensive experience in development, APIs, and scripting language support
Experience implementing and maintaining services in a CI/CD pipeline
Experience in with Code repositories - i.e. GITLAB
Preferred
Experience working Virtual environments
Experience working in AWS and Azure
Experience with SOAR platforms such as Swimlane, Phantom, Demisto, etc
Authoring SOPs, playbooks, work instructions and/or other process document
Company
Leidos
Leidos is a Fortune 500® innovation company rapidly addressing the world’s most vexing challenges in national security and health.
10001+ employees
Funding
Current Stage
Public CompanyTotal Funding
unknown2025-02-20Post Ipo Debt
2013-09-17IPO
Leadership Team
James Carlini
Chief Technology Officer
Theodore Tanner
Chief Technology Officer
Recent News
MarketScreener
2025-12-16
2025-12-16
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