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$191k – $233k per year
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In office (Chantilly)
Employment
Full-Time

First seen by Alion on Sep 8, 2026. KBR scores B on the Alion truth index.

Overview
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KBR

KBR is an engineering, science and technology company headquartered in Houston, Texas, delivering government services, defense and space mission support, process technology licensing and engineering for energy, chemicals and infrastructure projects. Listed on the New York Stock Exchange, it works across the United States, the United Kingdom, Australia and the Middle East, and in September 2025 announced the spin-off of its Mission Technology Solutions business into a separate public company. It hires process, piping, instrumentation, structural and HSE engineers, project and construction managers, logistics and commercial specialists, and finance, tax and IT staff.

Title:

Cloud Pentester

Belong. Connect. Grow. with KBR!

KBR’s National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and national security communities. In this position, your work will have a profound impact on the country’s most critical role - protecting our national security.

Why Join Us?

  • Innovative Projects: KBR’s work is at the forefront of engineering, logistics, operations, science, program management, mission IT and cybersecurity solutions.
  • Collaborative Environment: Be part of a dynamic team that thrives on collaboration and innovation, fostering a supportive and intellectually stimulating workplace.
  • Impactful Work: Your contributions will be pivotal in designing and optimizing defense systems that ensure national security and shape the future of space defense.

Key Responsibilities:

  • Conduct penetration testing, vulnerability assessments, and adversarial emulation activities against enterprise networks, operating systems, applications, virtualized environments, and cloud-based systems.
  • Apply offensive cyber techniques, attack methodologies, and system exploitation approaches to identify and validate security weaknesses.
  • Analyze network architectures, security controls, and system configurations to evaluate risk and identify potential attack paths.
  • Perform security testing of Windows, Linux, virtualized, and enterprise computing environments, including hypervisors and supporting infrastructure.
  • Assess and validate IT security architectures, technical designs, and system implementations to ensure compliance with cybersecurity best practices.
  • Analyze assessment and testing results, develop risk mitigation strategies, and provide recommendations to improve overall security posture.
  • Utilize network management, monitoring, and security assessment tools to support testing activities, reporting, and threat analysis.

Work Environment:

  • Location: On-site
  • Travel Requirements: Minimal
  • Working Hours: Standard

Qualifications:

Required:

  • Active TS/SCI with a Polygraph
  • Bachelor's degree in Cybersecurity, Computer Science, Information Technology, Engineering, or a related discipline. Additional relevant experience may be considered in lieu of a degree.
  • Demonstrated experience conducting penetration testing, vulnerability assessments, or offensive cyber operations.
  • Experience leveraging adversarial tactics, techniques, and procedures (TTPs) to evaluate system and network security.
  • Experience applying cyber attack methodologies, exploitation techniques, and security testing frameworks.
  • Working knowledge of cybersecurity principles, security controls, and operating system security for Windows, Linux, and virtualized platforms.
  • Experience performing network security analysis, architecture reviews, and security control assessments.

Desired:

  • Experience designing, implementing, or assessing enterprise security architectures.
  • Experience evaluating complex Windows-based infrastructures, enterprise services, and system configurations.
  • Experience testing or reviewing hypervisors, virtual environments, and enterprise computing platforms.
  • Familiarity with major cloud service providers, cloud-native security concepts, and cloud architecture design.
  • Experience developing risk management methodologies and translating technical findings into actionable mitigation plans.
  • Hands-on experience with commercial and open-source penetration testing, vulnerability scanning, and network analysis tools.
  • Relevant industry certifications such as OSCP, GPEN, CEH, CISSP, GCIH, or comparable cybersecurity certifications.

Basic Compensation:

$190,500 to $232,800 annual salary

This range is for the Virginia area only

The offered rate will be based on the selected candidate’s knowledge, skills, abilities and/or experience and in consideration of internal parity.

Additional Compensation:

KBR may offer bonuses, commissions, or other forms of compensation to certain job titles or levels, per internal policy or contractual designation. Additional compensation may be in the form of sign on bonus, relocation benefits, short term incentives, long term incentives, or discretionary payments for exceptional performance.

Ready to Make a Difference?

If you’re excited about making a significant impact in the field of space defense and working on projects that matter, we encourage you to apply and join our team at KBR. Let's shape the future together.

KBR Benefits

KBR offers a selection of competitive lifestyle benefits which could include 401K plan with company match, medical, dental, vision, life insurance, AD&D, flexible spending account, disability, paid time off, or flexible work schedule. We support career advancement through professional training and development.

Belong, Connect and Grow at KBR

At KBR, we are passionate about our people and our Zero Harm culture. These inform all that we do and are at the heart of our commitment to, and ongoing journey toward being a People First company. That commitment is central to our team of team’s philosophy and fosters an environment where everyone can Belong, Connect and Grow. We Deliver - Together.

KBR is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, disability, sex, sexual orientation, gender identity or expression, age, national origin, veteran status, genetic information, union status and/or beliefs, or any other characteristic protected by federal, state, or local law.

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