Senior Systems Engineer

• Description
• This Department of War enterprise data and analytics program delivers mission-critical capabilities that enable leaders across the Department to make faster, better-informed decisions using trusted data at scale. Leidos Digital Modernization sector is seeking an experienced
• Senior Systems Engineer
• to support the delivery, enhancement, and adoption of enterprise data and analytics products used across multiple DoD organizations.

In this role, you will work alongside government partners, engineers, and other industry teammates to translate operational and strategic requirements into scalable, production-ready solutions. You will contribute directly to product planning, execution, and continuous improvement—helping ensure capabilities are delivered efficiently, aligned to mission priorities, and positioned for sustained success. This position offers the opportunity to work on a high-visibility, enterprise program at the intersection of data, analytics, and emerging AI technologies. Ideal candidates are motivated by mission impact, comfortable operating in complex stakeholder environments, and interested in building deep domain expertise while delivering capabilities with real-world national security outcomes.

• Primary Responsibilities
• + Uses Model-Based Systems Engineering (MBSE) techniques and tools to design, develop, and maintain enterprise system designs at the component and sub-component level, including: + System context, logical and physical architectures + Interface definitions and data flows + Requirements decomposition and end-to-end traceability + Trade studies, alternatives analysis, and technical decision documentation + Lead systems engineering lifecycle activities including requirements decomposition, interface definition, architecture alignment, and verification/validation planning.

+ Establish and maintain system requirements management processes, tools, and artifacts supporting WDP capabilities. + Develop and maintain systems engineering documentation including architecture diagrams, interface control documents, and technical standards. + Ensure alignment across DevSecOps pipelines, infrastructure components, data platforms, and cybersecurity controls. + Support release, configuration, patch, asset, and system lifecycle management processes across environments. + Ensure compliance with NIST SP 800-53, RMF, STIGs, and Zero Trust architecture requirements. + Identify and resolve system integration challenges impacting performance, scalability, and interoperability. + Participate in SAFe ceremonies including PI Planning, backlog refinement, sprint reviews, and Inspect & Adapt events. + Facilitate communication between team members and stakeholders to ensure alignment on objectives

• Basic Qualifications
• + Active
• Top Secret (TS) clearance with SCI eligibility.
• + Bachelor's degree in Systems Engineering, Computer Science, Engineering, Information Systems, or related technical discipline and
• 8-12 years
• of relevant experience
• OR•Master's degree in a related field and •6-10 years•of relevant experience.

+

• At least one of the following foundational qualification pathways consistent with DoD 8140 requirements:
• + Current DoD 8570/8140 baseline certification appropriate for Intermediate System Administrator roles (e.g.,
• Security+, GSEC, SSCP, or equivalent
• ), + Offerings listed in the DoD 8140 Training Repository, + Demonstrated equivalent training and experience qualifying under DoD 8140 foundational qualification alternatives.

+ Minimum 8 years of systems engineering experience supporting complex DoD or enterprise-scale platforms. + Demonstrated expertise applying Model-Based Systems Engineering (MBSE) principles in large, distributed systems. + Proven experience developing and maintaining system artifacts using Cameo Systems Modeler (MagicDraw) or equivalent SysML-based modeling tools. + Experience performing systems engineering activities in DoD or Federal enterprise environments. + Experience managing system requirements, architecture artifacts, and integration processes. + Experience integrating cloud, DevSecOps, data, and cybersecurity capabilities into enterprise systems.

• Preferred Qualifications
• + Active
• TS/SCI clearance.
• + Experience operating within SAFe or large-scale Agile frameworks supporting enterprise systems.

+ SAFe Agilist (SA) or related SAFe certification. + Experience architecting and engineering multi-cloud, cloud-neutral, or open-source solutions. + Experience supporting enterprise data, analytics, AI/ML, or digital transformation initiatives. + Experience operating across multiple security domains (e.g., IL2/IL5/IL6 environments). + Strong communication skills with demonstrated ability to brief senior technical and executive leadership + Knowledge of DevSecOps practices and tools. + INCOSE CSEP or equivalent systems engineering certification. + Familiarity with AWS services and cloud infrastructure management. 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:

• April 13, 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 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 .
• Securing Your Data
• Beware of fake employment opportunities using Leidos' name.

Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission (https://reportfraud.ftc.gov/#/) .

• 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.

REQNUMBER

R-00180192-OTHLOC-PL-2D1012All 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.