Principal Cloud Systems Engineer

00100 LEIDOS, INC.; United States; Remote; USD 131,000 - 237,000; Full time

Job summary

Leidos seeks a Principal Cloud Systems Engineer to join the Defense Enclave Services (DES) team, supporting a DoD digital modernization program with zero-trust initiatives and hybrid cloud deployments.

The role emphasizes designing, deploying, and operating secure cloud solutions on Azure, AWS, and GCP, with strong focus on IAM, virtualization, and government security compliance. A SECRET clearance is required for consideration.

Qualifications

• Bachelor’s degree or equivalent experience.
• Expertise designing, deploying, and operating cloud solutions on Azure, AWS or GCP.
• Experience with Virtual switches, VPCs, and Virtual Firewalls.
• Experience with Identity Access Management (IDAM), AzureAD, and CyberArk, Okta or other ICAM solutions.
• Understanding of Federal Government security requirements such as NIST, FedRAMP, and FISMA.
• Ability to work effectively within a distributed technical team, aided by strong written and verbal communication skills.
• Current IAT Level II (or higher) Certification such as Security + or CISSP.

Responsibilities

• Leverage experience in Systems Engineering and Architecture to design zero-trust network solutions for a hybrid on-premise and Azure enclave.
• Demonstrate an understanding of system Virtualization and Design by ensuring network modernization efforts properly address security requirements and can be implemented without affecting operations.
• Support Cloud Deployment of modernized network services.
• Develop modern and secure network solutions by demonstrating experience with Virtual switches, VPC’s, and Virtual Firewalls.
• Provide inputs to the design of the enterprise’s cloud and mission architecture.
• Evaluate and support application architectures across platforms to ensure alignment to cloud and application modernization strategies, capabilities and requirements.
• Continually identify opportunities for improvement, including innovations aimed at improving the user experience, improving efficiencies, and lowering sustainment costs.
• Enforce security best practices and guidelines, leveraging knowledge of security policies, network security, and data security.

Skills

Azure

AWS

GCP

ICAM/IDAM

Security best practices

Education

Bachelor’s degree or equivalent experience

Tools

Virtual switches

VPCs

Virtual Firewalls

Job description

Leidos is seeking an experienced Principal Cloud Systems Engineer to join our Defense Enclave Services (DES) team, who will support an extensive digital modernization program critical to Defense Information Systems Agency (DISA) and Department of Defense (DoD) Fourth Estate Agencies.

A Systems Engineer with a focus on Distributed Systems and understands how cloud infrastructure is built and maintained. The position will support multiple engineering projects modernizing the DoD Environment, including the migration of applications and services from on-premise to the cloud for zero-trust network initiatives. These engineering efforts will include design, deployment, test, and migration of the network solutions the candidate develops.

PROGRAM Link: www.leidos.com/des JOB LOCATION: Remote CLEARANCE REQUIREMENT: Must possess an Active SECRET or above DoD clearance to be considered. (US Citizenship required)

Primary Responsibilities

• Leverage experience in Systems Engineering and Architecture to design zero-trust network solutions for a hybrid on-premise and Azure enclave
• Demonstrate an understanding of system Virtualization and Design by ensuring network modernization efforts properly address security requirements and can be implemented without affecting operations.
• Support Cloud Deployment of modernized network services
• Develop modern and secure network solutions by demonstrating experience with Virtual switches, VPC’s, and Virtual Firewalls
• Provide inputs to the design of the enterprise’s cloud and mission architecture
• Evaluate and support application architectures across platforms to ensure alignment to cloud and application modernization strategies, capabilities and requirements
• Continually identify opportunities for improvement, including innovations aimed at improving the user experience, improving efficiencies, and lowering sustainment costs
• Enforce security best practices and guidelines, leveraging knowledge of security policies, network security, and data security

Basic Qualifications

• Bachelor’s degree or equivalent experience and 12+ years of prior relevant experience
• Expertise designing, deploying, and operating solutions built on Azure, AWS or GCP
• Experience with Virtual switches, VPC’s, and Virtual Firewalls
• Experience with Identity Access Management (IDAM), AzureAD, and CyberArk, Okta or other modern ICAM solutions.
• Understanding of Federal Government application, server, and network security requirements such as NIST, FedRAMP, and FISMA
• Ability to work effectively within a distributed technical team, aided by strong written and verbal communication skills
• Current IAT Level II (or higher) Certification such as Security + or CISSP

Preferred Qualifications

• Recognized cloud certification, such as Microsoft Azure Associate Administrator
• Familiarity with the Atlassian suite, including Jira and Confluence

About Leidos

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

November 2, 2026

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.

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 here.

Commitment and Diversity

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.

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 $17.2 billion for the fiscal year ended January 2, 2026. For more information, visit www.Leidos.com.