Senior Cloud Engineer

Looking for an opportunity to make an impact?

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. The Leidos National Security Sector (NSS) combines technology-enabled services and mission software capabilities in the areas of cyber, logistics, security operations, and decision analytics to support our defense and intel customers’ mission to defend against evolving threats around the world.

Your greatest work is ahead!

The Multi-domain Solutions Division (MDS) within the Leidos National Security Sector is seeking a skilled Senior Cloud Engineer to join a new cyber security program and play a key role in supporting government-critical systems. You will be part of a program that oversees development, integration, delivery, and operations and maintenance of IT managed security services, which encompasses support to monitor the cybersecurity threat and security posture situational awareness for the enterprise. This opportunity is in anticipation of a future contract award!

What you’ll be doing:

• Lead the design, implementation, and management of secure cloud environments across multi-cloud platforms (AWS, Azure, and/or Google Cloud). 
• Take ownership of cloud security strategies, guide security operations, and collaborate with cross-functional teams to ensure cloud security best practices and regulatory compliance.
• As a trusted security expert, you will assess cloud security risks, architect secure solutions, and automate security processes to protect critical data, applications, and services.
• Apply deep understanding of cloud security principles, extensive hands-on experience with cloud platforms, and a strong background in DevSecOps practices.
• Responsible for technical planning, system hardware-software-network design, development and integration, verification and validation, and fielding. 
• Evaluate alternatives including cost and risk, supportability and analyses for total systems. 
• Perform systems requirements analysis, functional analysis, timeline analysis, trade studies, requirements allocation and interface definition, technical management, integration, system testing, and quality assurance.  
• Provide technical advice/input that impact strategic client outputs and Leidos business results. 
• Impact functional strategy by developing new solutions, processes, standards or operational plans that position Leidos competitively in the marketplace. 
• Serve as a technical lead on large, complex projects. Mentors and coaches other technical staff.
• Design, implement, and manage secure cloud architectures for Infrastructure-as-a-Service (IaaS), Platform-as-a-Service (PaaS), and Software-as-a-Service (SaaS) environments.
• Develop and enforce cloud security policies, governance frameworks, and standards aligned with industry best practices (NIST, CIS, ISO 27001).
• Lead threat modeling, security reviews, and architecture assessments to identify potential security gaps in cloud designs.
• Provide technical leadership in the adoption of Zero Trust and Defense-in-Depth principles in cloud environments.
• Develop security blueprints, reference architectures, and cloud security frameworks to guide application development and cloud operations.
• Integrate security controls into CI/CD pipelines, ensuring security is embedded throughout the software development lifecycle (SDLC).
• Develop Infrastructure as Code (IaC) templates using Terraform, CloudFormation, and ARM to automate security baselines and enforce compliance.
• Implement automated security scanning, vulnerability assessments, and policy enforcement to enhance cloud security postures.
• Guide DevOps and application teams on secure coding practices, container security, and API security to minimize attack surfaces.
• Design and configure cloud-native security monitoring and logging solutions to detect and respond to advanced threats in real time.
• Oversee the deployment of Security Information and Event Management (SIEM) platforms such as Splunk, Microsoft Sentinel, or Elastic Security for cloud monitoring.
• Develop and manage cloud incident response plans (IRP), including playbooks, escalation procedures, and post-incident reviews (PIRs).
• Analyze and investigate cloud security incidents, conduct root cause analysis (RCA), and lead remediation efforts.
• Architect and manage secure IAM solutions for cloud environments, enforcing least privilege, role-based access control (RBAC), and Just-in-Time