Cybersecurity Jobs in Arlington, VA

Location Arlington, Virginia Category Engineering, Technology, & Science Job Type Full time Job Id R2129647 Posted Date 09/13/2026

JOB DESCRIPTION

Title:

Senior Cybersecurity System Engineer

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 Joint and multi-domain operations.

Key Responsibilities:

The Senior Cybersecurity Systems Engineer is responsible for providing technical review of traditional and cloud based DoW Information Technology along with producing executive level reports and briefs used to inform Senior government Leadership. This position provides technical support to DoW CIO for cybersecurity operations, Risk Management Framework (RMF) implementation, system authorization and accreditation, vulnerability management, continuous monitoring, and regulatory compliance. The Senior Cybersecurity Systems Engineer ensures enterprise information systems remain compliant with DoW cybersecurity requirements while protecting critical mission systems against cyber threats.

KBR is seeking an experienced senior cybersecurity systems engineer to join our team in Arlington, VA. Duties and responsibilities include:

• Responsible for the review of DoW Information Technology cybersecurity postures by leveraging a deep understanding of complex technical protocols and the evolving threat landscape to systematically identify, mitigate, and manage risks through structured security frameworks while ensuring all operational strategies align strictly with legal, regulatory, and corporate policy boundaries.

• Provide Subject Matter Expert for Cross Domain Solutions (CDS) to include Cloud Enterprise CDS within the DOW. Supports DOW in execution of Raise the Bar compliance and effort to eliminate/transition Point to Point CDS, and implementation of Defensive Cyber Operations for CDS.

• Manage the DoW Scorecard for CDS, creation of briefs, development of Cloud CDS processes, CDS briefs and updates to DOW leadership.

• Serve as a Technical Advisor to the DoW CIO voting members for the Defense IA/ Security Accreditation Working Group (DSAWG) and Information Risk Management Committee (ISRMC) governance boards, prepare briefs, and ensure principals are prepared for meeting with in-depth technical reviews of presented technology and cybersecurity architectures.

• Serve as a technical member to the Cross Domain Technical Advisory Board and Information Domain Technical Advisory Boards.

• Provide in depth technical DoW Cloud compliance reviews, lead risk assessment approach based on Secure Cloud Computing Architecture framework, assist DOW organizations with cyber security engineering to support IaaS, PaaS, and SaaS cloud environments to align to DOW Instruction, Policy, and Security Requirements Guides to include Identity, Cybersecurity Service Provider Coverage, and Boundary Protections.

• Provide technical review and risk assessments for key DOW emerging technologies to include cloud IT projects, pilots driving Zero Trust, Software Defined networking, and Cloud Edge Computing.

• Ability to collaborate and communicate critical to success. Influence policy changes to enable new technologies and overarching process improvements wrt Cybersecurity initiatives and policy to include DODI 8010.01, DODI 8530.01, CSF 2.0, Cloud SRG, Cloud SCAA, National Cross Domain Strategy Management Office (NCDSMO) Guides, and DoD Chief Information Security Officer (CISO) Directive Memos. Familiarity with Identity, Credential and Access Management (ICAM), Comply to Connect, and OUSD(I&S) Collaboration Peripherals is key.

• Strong executive written and oral communications is paramount. Responsible for the development and refinement of Congressional reports and briefs in response to NDAA tasking to both the HASC and SASC, updates to DOW Instruction towards publishing, and key DoW and CISO policy memorandums.

• Provide support and analysis for DoW representatives preparing for various reviews and meetings

• Assist in identifying programmatic budget shortfalls and preparing appropriate Issue Papers and coordination actions to remedy identified shortfalls

• Participate in weekly meetings and prepare reports and briefings for senior-level leaders

• TS SCI is required/US Citizenship is required

Work Environment:

• Location: On-site, Pentagon

• Travel Requirements: Minimal 0-20%

• Working Hours: Standard

Qualifications:

Required:

• 12 or more years of experience in DoW staff positions, military service and/or Cybersecurity environments /organizations

• 4 or more years of experience with crafting and development of DoW level policies pertaining to Cybersecurity

• 8 years related experience plus Master's degree in technical discipline OR 12 years related experience plus Bachelor's degree in technical discipline

Desired:

• Familiarity with the National Institute of Standards and Technology (NIST) Cybersecurity Framework (CSF) 2.0

• Previous experience within a major headquarters of DoW agency staff

• Able to work with, and appropriately protect, classified and proprietary information

• Able to work as a team player on a mixed contractor-government team

• Unflappable demeanor (keeps their cool under pressure)

• Excellent attention to detail and strong communication skills (position requires direct contact with Senior DoW leadership)

• Proficient with using MS Office application programs including MS Word, PPT and excel

• Experience using MS Sharepoint

Scheduled Weekly Hours:

40hrs

Basic Compensation:

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

Compensation range for Virginia is $165,000 to $185,000.

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 national 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.