Lead Enterprise Architect

Leidos LLC; Arlington (VA); On-site; USD 108,000 - 195,000; Full time

Job summary

Leidos is seeking a senior network and cloud architect to lead architecture and design efforts for CISA initiatives. You will serve as SME, advise on IT strategy, and collaborate with government teams to evaluate technologies and develop ROI-focused business cases.

The role requires TS/SCI eligibility, 10+ years in network and cloud architecture, and a relevant engineering or information systems degree. On-site in Arlington, VA with competitive compensation.

Qualifications

• Active Top Secret clearance with 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.

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.

Skills

Network engineering

Cloud architecture

Communication skills

Education

Bachelor’s degree in engineering, computer science, or information systems

Job description

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

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

September 4, 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 $107,900.00 - $195,050.00 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 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.

Securing Your Data

Leidos will never ask you to provide payment-related information at any part of the employment application process. And Leidos will communicate with you only through emails that are sent from a Leidos.com email address. If you receive an email purporting to be from Leidos that asks for payment-related information or any other personal information, please report the email to [e-mail].

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.

Company Overview

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.