Senior structural engineer

Leidos is seeking a Senior Structural Engineer to serve as a recognized technical authority supporting critical national security missions. This unique opportunity combines advanced structural engineering expertise with intelligence analysis to assess, characterize, and evaluate hardened, underground, and protective facilities around the world. As a senior member of a highly specialized team, you will lead complex engineering assessments, provide strategic technical guidance, and apply innovative solutions to some of the most challenging problems facing the defense and intelligence communities. Your expertise will directly inform high-level decisions and contribute to mission success at the national level.

The ideal candidate is a seasoned engineer and thought leader who excels in ambiguity, thrives on solving technically demanding challenges, and is passionate about applying engineering principles to real-world national security problems.

What You'll Do

• Serve as a recognized Subject Matter Expert (SME) in structural engineering and protective structures.
• Lead advanced engineering analyses of buildings, underground facilities, and hardened structures, including assessments of blast resistance, penetration resistance, damage tolerance, structural dynamics, fatigue, durability, and load-bearing capacity.
• Integrate all-source intelligence, geotechnical information, topographical data, engineering principles, and protective structures expertise to characterize facility missions, physical configurations, construction methods, and vulnerabilities.
• Develop comprehensive facility assessments, including mission systems, support infrastructure, physical layouts, and detailed 3D models.
• Provide senior-level engineering judgment and technical leadership throughout the characterization process to ensure accurate and defensible intelligence estimates.
• Drive innovative solutions to highly complex challenges through research, advanced analysis, and the integration of industry best practices.
• Mentor and guide multidisciplinary teams while serving as a trusted technical advisor to both government and contractor personnel.
• Present engineering findings, trends, risk assessments, and mission impacts to senior government leaders and decision-makers.
• Collaborate within a fast-paced, mission-focused environment supporting high-priority national security objectives.

Required Qualifications

• Clearance Requirement: Must possess an active and in-scope TS/SCI, or Top Secret clearance with a current SSBI and eligibility to obtain a TS/SCI with polygraph.
• U.S. Citizenship required.
• Bachelor's degree in Civil Engineering, Structural Engineering, Protective Engineering, or a related technical field.
• Bachelor's degree with 12+ years of relevant experience, or master's degree with 10+ years of relevant experience.
• Extensive experience applying advanced engineering principles, theories, and concepts across complex technical programs.
• Demonstrated subject matter expertise in one or more of the following areas: Structural Engineering, Structural Dynamics, Blast-Resistant Design, Damage Tolerance, Composite Materials, Mechanical Design.
• Proven ability to lead technical efforts and develop innovative solutions in environments where critical information may be incomplete or uncertain.
• Exceptional analytical, problem-solving, and critical-thinking capabilities.
• Outstanding written and verbal communication skills, including experience briefing senior executives, government leaders, and technical stakeholders.

Preferred Qualifications

• Experience in protective engineering, force protection, or hardened facility design.
• Proficiency with Autodesk Revit, AutoCAD, BIM software, and associated modeling methodologies.
• Professional Engineer (PE) license.
• Military, defense, or intelligence community experience.
• Understanding of operational planning and mission analysis.
• Construction experience involving: Underground facilities and tunneling, Large-scale excavations, Industrial infrastructure, Protective or hardened structures.
• Knowledge of mechanical, electrical, and life-safety systems used in commercial, industrial, or government facilities.
• Experience in manufacturing, fabrication, assembly operations, warehouse design, or workflow optimization.
• Understanding of weapons effects, including blast, thermal, and fragmentation impacts.
• Background in geology or geotechnical engineering.

Why Leidos?

At Leidos, you'll work alongside some of the nation's leading engineers, analysts, and mission experts to address challenges of strategic importance. This role offers the opportunity to shape mission-critical intelligence assessments, influence senior-level decision-making, and apply your expertise to projects with lasting national impact. If you're a technical leader ready to apply your structural engineering expertise to some of the most complex and consequential challenges in national security, we invite you to join the Leidos team.

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

June 8, 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.

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 $17.2 billion for the fiscal year ended January 2, 2026. 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 here.

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 spam.leidos@leidos.com.

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.