Principal Cloud Systems Engineer

Leidos; Odenton (MD); Remote; USD 131,000 - 237,000; Full time

Job summary

Leidos is seeking a Principal Cloud Systems Engineer to join the Defense Enclave Services (DES) team, supporting a DoD modernization program. The role focuses on distributed systems, cloud infrastructure, and migration of on-prem apps to cloud for zero-trust initiatives, with hybrid on-prem and Azure environments.

Responsibilities include designing and deploying secure cloud solutions, ensuring compliance with NIST/FedRAMP/FISMA, and advancing enterprise cloud architecture while maintaining

Qualifications

• Bachelor’s degree or equivalent experience with 12+ years in systems engineering.
• Experience designing, deploying, and operating cloud solutions.
• Familiarity with NIST, FedRAMP, and FISMA security requirements.

Responsibilities

• Design zero-trust network solutions for hybrid on-prem and Azure enclave.
• Ensure security requirements are met without operational impact.
• Support cloud deployment of modernized network services.
• Develop secure network solutions with virtual switches, VPCs, and virtual firewalls.
• Contribute to enterprise cloud and mission architecture design.
• Evaluate architectures for cloud alignment with modernization goals.
• Identify opportunities to improve efficiency and reduce sustainment costs.
• Enforce security best practices and guidelines.

Skills

Azure

AWS

GCP

ICAM/IDAM

Security best practices

Distributed teams

Cloud deployment

Education

Bachelor’s degree or equivalent experience

Tools

Virtual switches

VPCs

Virtual Firewalls

AzureAD

CyberArk

Okta

Job description

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

Original Posting:

November 2, 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 onlyand 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.

About Leidos

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 $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com .

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 at www.leidos.com/careers/pay-benefits .

Commitment to Non-Discrimination

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.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status. Leidos will consider qualified applicants with criminal histories for employment in accordance with relevant Laws. Leidos is an equal opportunity employer/disability/vet.

#Remote

REQNUMBER: R-00196068-OTHLOC-PL-2D2020

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status. Leidos will consider qualified applicants with criminal histories for employment in accordance with relevant Laws.