Senior Information Systems Security Engineer

Looking for an opportunity to make an impact?

Unleash your potential at Leidos, where we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customer’s 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. Our Mission, Vision, and Values guide the way we do business.

If this sounds like an environment where you can thrive, keep reading!

The Digital Modernization Sector brings together our digital transformation and IT programs, allowing us to better serve our customers through scale and repeatability.

 - https://www.leidos.com/capabilities/digital-modernization

We are seeking a talented and energetic candidate to work with the best and brightest employees around the country in creating innovative all-encompassing solutions for our programs.  You will work in a fast-paced and diverse environment, enjoy flexible work arrangements, and will have a management team that encourages your career development and growth. In this role, you will gain many intangible skills, such as time and task management, critical thinking and problem solving, the ability to communicate complicated problems in a concise manner, as well as solve complex problems using available tools.

The NASA Advanced Enterprise Global Information Technology Solutions at Leidos currently has an opening for a Information System Security Engineer to work remotely. We are seeking a motivated and enthusiastic, Information System Security Engineer (ISSE) to join our cloud services team. The ISSE will be responsible for the secure design, development, and implementation of cloud-based systems, ensuring compliance with relevant security standards and frameworks such as NIST, FedRAMP, RMF, and ISO 27001. The ideal candidate will work closely with cloud architects, developers, and system administrators to embed security throughout the system lifecycle.

This is an exciting opportunity to use your experience helping the AEGIS mission.  In this mission you will work to review system controls, maintain system security packages, and assist with ensuring our environment remains secure and meets our organization's operational requirements.

Primary Responsibilities:

• Design and implement secure cloud architecture and solutions across AWS, Azure, or Google Cloud Platform.

• Serve as the security engineering point of contact for cloud system accreditation and compliance processes (e.g., RMF, FedRAMP).

• Conduct system security assessments and support the development of security artifacts (SSP, SAR, POA&M).

• Analyze system architecture and cloud configurations to identify security gaps and recommend mitigations.

• Develop, document, and implement security controls in line with NIST 800-53, NIST 800-171, and other applicable standards.

• Collaborate with DevOps/DevSecOps teams to integrate security into CI/CD pipelines.

• Support incident response and vulnerability management activities within cloud environments.

• Provide guidance on data protection, access management, encryption, and identity federation in the cloud.

• Evaluate and recommend new security tools and cloud-native security features.

• Participate in system design reviews, risk assessments, and change control processes.

Basic Qualifications:

• Bachelor’s degree in Cybersecurity, Computer Science, Information Technology, or a related field (or equivalent experience).

• 8+ years of experience in cybersecurity with at least 2 years focused on cloud security.

• In-depth understanding of security engineering for cloud services (AWS, Azure, GCP).

• Familiarity with NIST frameworks, RMF, FedRAMP, and other compliance standards.

• Experience with tools such as AWS Security Hub, Azure Security Center, Prisma Cloud, or similar.

• Knowledge of scripting and automation (e.g., Python, Bash, Terraform, CloudFormation).Strong understanding of identity and access management, network security, and data protection in the cloud.

Preferred Qualifications:

• Cloud certifications such as AWS Certified Security – Specialty, Azure Security Engineer Associate, or Google Professional Cloud Security Engineer.

• Security certifications such as CISSP, CCSP, or CAP.

• Experience supporting government cloud environments (GovCloud, DoD IL4/IL5).

• Working knowledge of container security (e.g., Kubernetes, Docker) and DevSecOps practices.

Original Posting:

June 20, 2025

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 $126,100.00 - $227,950.00

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.