Geotechnical Engineer - TS/SCI Poly

Leidos Holding$92K — $166K *
Aerospace & Defense
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Active TS/SCI Polygraph clearance and U.S. Citizenship required.
  • BS degree with 8+ years or MS degree with 6+ years of experience in Engineering Geology, Geology, or Mining/Geotechnical Engineering.
  • Strong background in geomechanics, field geophysics, and tunnel/slope rock mass characterization.
  • Advanced proficiency in geotechnical software like PLAXIS and GeoStudio.
  • Experience with GIS tools such as ArcGIS Pro and MATLAB.
  • Understanding of drilling, core logging, and tunnel construction techniques.
  • Strong communication skills for briefing senior officials.

Responsibilities

  • Analyze complex geological problems and provide technical solutions.
  • Conduct geotechnical evaluations using open-source and classified data.
  • Utilize geospatial tools to analyze site geology characteristics.
  • Prepare and present technical reports and briefings to stakeholders.
  • Support the development of technologies for assessing geotechnical properties.
  • Plan field surveys and collect geological data.
  • Conduct research at domestic and international sites.

Benefits

  • Collaborative multidisciplinary team environment.
  • Opportunity to work on mission-critical government projects.
  • Apply advanced technical expertise to high-impact problems.
  • Field research opportunities across diverse locations.
  • Potential for professional development and skill enhancement.
Full Job Description
Leidos Analysis Solutions Group is seeking a Geotechnical Engineer to support geologic and geotechnical analysis for the reverse engineering of underground and hardened facilities. This role focuses on evaluating the properties of soil and rock to help characterize above- and below-ground structures and the surrounding geology.

The successful candidate will join a multidisciplinary team developing methodologies, processes, and technical applications for modeling and assessing complex facilities in support of mission-critical government work. This position offers the opportunity to apply deep technical expertise to challenging, high-impact problems in a fast-paced, high-energy government environment.

What You'll Do
  • Solve highly complex problems through technical analysis, reasoning, and interpretation.
  • Conduct geotechnical evaluations using open-source information, commercial and classified imagery, and intelligence reporting to assess key geological attributes.
  • Use geospatial tools such as ArcGIS Pro and ArcGIS Enterprise to analyze and document site geology and geotechnical characteristics.
  • Prepare briefings and technical reports to communicate findings to customers and colleagues.
  • Provide scientific, technical, and systems engineering support for the development of technologies and techniques, including sensors and sensor systems, used to identify and assess geotechnical properties in denied areas.
  • Plan and execute field surveys and data collection efforts.
  • Apply geological expertise to the collection and interpretation of borehole data, soil assessments, and fault studies.
  • Produce technical reports and conduct field research at sites across the U.S. and worldwide.
  • Recommend and develop new technical solutions, products, and standards that support mission objectives.
  • Brief team members and senior officials on capability trends, analysis, and findings.

Required Qualifications
  • Clearance Required: Candidates for consideration must possess an in-scope and active TS/SCI Polygraph clearance and the ability/willingness to maintain this clearance while holding this position. U.S. Citizenship is required.
  • BS degree and 8+ years of relevant experience, or master's degree and 6+ years of relevant experience in Engineering Geology, Geology, or Mining/Geotechnical Engineering.
  • Strong background in geomechanics, computer modeling, field geophysics, and tunnel/slope rock mass characterization.
  • Advanced knowledge of geotechnical software such as PLAXIS, SLOPE/W (GeoStudio), LPILE, gINT, and Slide.
  • Experience with GIS tools and data, including ArcGIS Pro and ArcGIS Enterprise, and familiarity with MATLAB.
  • Experience conducting geotechnical research and field collection.
  • Experience in drilling, core logging, mining, tunnel construction and design, trenchless technology, rock mass characterization, and intelligence analysis.
  • Excellent written and verbal communication skills, including the ability to brief and interact with senior officials.
  • Expert-level knowledge of advanced technical principles, theories, and concepts.

Preferred Qualifications
  • Professional Geologist (PG) or Professional Engineer (PE) accreditation.
  • Military or defense-related experience.
  • Experience with remote sensing applications related to geological or geotechnical analysis.
  • Working knowledge of weapons effects and geologic material response under dynamic loading.
  • Experience conducting geologic and geophysical fieldwork and data processing, including seismic and GPR investigations.

Original Posting:
August 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 $92,300.00 - $166,850.00

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 Holding

Leidos Holding Careers

Joining Leidos Holding presents an unparalleled opportunity to advance one's career with a leader in innovation and technology. The company offers a plethora of job opportunities aimed at fostering professional growth and development in a diverse and inclusive environment.

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Leidos Holding is actively seeking skilled professionals who are passionate about leveraging their expertise to drive innovation and leadership in their fields. With a variety of open positions, Leidos Holding provides a platform for individuals to challenge themselves in a dynamic work environment.

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At Leidos Holding, innovation is at the core of everything they do. Employees are encouraged to think creatively and push boundaries. The company supports this drive for innovation through comprehensive professional development and diversity training programs that are designed to enhance skills and foster leadership.

Commitment to Diversity and Inclusion

Leidos Holding is committed to creating a workplace where diversity is not only recognized but celebrated. With a culture that values and promotes diversity, Leidos Holding ensures that all team members have the opportunity to contribute, learn, and grow.

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For those starting their career, Leidos Holding offers internship programs that provide a robust foundation in the industry. Internships are a great way to develop essential skills, gain valuable work experience, and build professional networks.

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Employees at Leidos Holding enjoy a range of benefits designed to support their professional and personal lives. The company culture is built on a foundation of respect and integrity, providing a supportive and collaborative environment where every team member is valued.

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Leidos Holding encourages its employees to engage in networking within the company to discover new opportunities for career advancement. The leadership team at Leidos Holding is dedicated to supporting employees in their career paths with ample opportunities for networking and growth.

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