Lead Enterprise Architect

Leidos; Arlington (VA); On-site; USD 131,000 - 237,000; Full time

Job summary

Leidos in Arlington, VA seeks a subject matter expert in network and cloud architecture to lead design activities and drive cloud initiatives for government clients.

You will advise on IT strategy to meet business objectives, develop business cases for new technologies, and evaluate emerging networking solutions to support the CISA mission. A Top Secret clearance and 15+ years of IT architecture experience are highly valued.

Qualifications

• Active Top Secret clearance with SCI eligibility.
• 10+ years in network and cloud architecture.
• Bachelor's degree in engineering, CS, or information systems; 15 years total with equivalent experience.
• Experience with ROI and business-case development.
• Experience applying Agile and Scrum in projects.

Responsibilities

• Serve as SME in network and cloud architecture and design.
• Lead cloud and network architecture and design efforts.
• Assist Government in developing business cases for new technologies.
• Advise on IT system strategy to meet business objectives.
• Research and evaluate new networking technologies to support the CISA mission.

Skills

Communication

Agile/Scrum

Leadership

Education

Bachelor's degree in engineering/CS/IS

Job description

Description

• Serve as the subject matter expert in the areas of network and cloud architecture and design activities.
• Lead cloud and network architecture and design efforts.
• Assist the Government in developing business cases for new technologies and solutions.
• Advise the Government on an information technology (IT) system strategy to meet business objectives and requirements.
• Research and evaluate new networking technologies to support the CISA mission.

Primary Responsibilities

• Serve as the subject matter expert in the areas of network and cloud architecture and design activities.
• Lead cloud and network architecture and design efforts.
• Assist the Government in developing business cases for new technologies and solutions.
• Advise the Government on an information technology (IT) system strategy to meet business objectives and requirements.
• Research and evaluate new networking technologies to support the CISA mission.

Basic Qualifications

• Active Top Secret clearance with Sensitive Compartmented Information (SCI) eligibility.
• Experience in network engineering and a minimum of 10 years in network and cloud architecture.
• Bachelor’s degree in engineering, computer science, or information systems. In lieu of a bachelor’s degree, an additional 10 years' experience in IT architecture and engineering for a total of 15 years of experience.
• Possess a broad knowledge of network and cloud frameworks and methodologies that can be leveraged to seamlessly integrate into CISA’s enterprise network and cloud.
• Experience in developing business cases and determining the Return on Investment (ROI)
• Experience identifying and architecting solutions and technologies to meet business and functional requirements
• Experience applying the Agile and Scrum frameworks and methodologies in support of projects.
• Strong communication skills with excellent verbal and written skills.

Preferred Qualifications

List additional skills and experience that are “nice to have” but not required.

• Experience supporting DHS, CISA, or another highly classified Federal environment.
• Experience with DHS Enterprise Architecture policies, standards, and procedures.

If you're looking for comfort, keep scrolling. 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

August 25, 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 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.

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.