Senior Cyber Security Subject Matter Expert (SCA)

Job Locations 1 day ago(6/9/2026 1:17 PM)
Job ID
2026-12151
Posted Date
Subject Matter Expert
Job Location
US-VA-Chantilly

Company Overview

We are a world-class team of professionals who deliver next generation technology and products in robotic and autonomous platforms, ground, soldier, and maritime systems in 50+ locations world-wide. Much of our work contributes to innovative research in the fields of sensor science, signal processing, data fusion, artificial intelligence (AI), machine learning (ML), and augmented reality (AR).

 

QinetiQ US’s dedicated experts in defense, aerospace, security, and related fields all work together to explore new ways of protecting the American Warfighter, Security Forces, and Allies. Being a part of QinetiQ US means being central to the safety and security of the world around us. Partnering with our customers, we help save lives; reduce risks to society; and maintain the global infrastructure on which we all depend.

 

Why Join QinetiQ US?

 

If you have the courage to take on a wide variety of complex challenges, then you will experience a unique working environment where innovative teams blend different perspectives, disciplines, and technologies to discover new ways of solving complex problems.  In our diverse and inclusive environment, you can be authentic, feel valued, be respected, and realize your full potential. QinetiQ US will support you with workplace flexibility, a commitment to the health and well-being of you and your family and provide opportunities to work with a purpose. We are committed to supporting your success in both your professional and personal lives.

Position Overview

QinetiQ US is seeking a Cybersecurity Subject Matter Expert (SME) to provide SME level Cybersecurity analysis, engineering, and asessment services for complex, multi-domain systems in support of a Department of War client located in Chantilly, VA.  The highly motivated candidate will provide leadership and guidance through knowledge, experience, and their ability to effectively provide cradel to grave cybersecurity supporto a Research, Development, Testing and Evaluation programs.  This role acts as a senior technical advisor and Security Control Assessor (SCA), specializing in integrating security throguhout the system lifecycle, translating technical risks into mission-impact statements, and guiding the implemtnation of advanced security architectures. 

Responsibilities

  • As a senior Security Control Assessor (SCA), executes the Risk Management Framework (RMF) process across Federal, DoD, and IC policies. Provides continuous risk determinations and actionable recommendations directly to the Authorizing Official (AO).
  • Provides strategic cybersecurity guidance and participates in technical reviews (e.g., SRR, PDR, CDR) to ensure security is integrated from the initial design phase and throughout the system development lifecycle.
  • Executes the RMF process, providing risk determinations and recommendations to the AO.
  • Conducts deep technical validation of security controls by reviewing vulnerability scans (e.g., ACAS/Nessus), STIG checklists, and penetration test reports to correlate findings with operational mission risk.
  • Evaluates the security performance, integrity, and residual risk of diverse and complex architectures, including Platform Information Technology (PIT), cloud environments, communication networks, and satellite control systems.
  • Guides the adoption and implementation of DoD Zero Trust principles and provides specialized expertise in the design and evaluation of Cross Domain Solutions (CDS).
  • Functions as a technical liaison between engineering teams, program leadership, and external government and industry partners.

Required Qualifications

  • Bachelor's degree in engineering, cybersecurity, IT or similar field 
  • Miniumum of 15 years of experience, with 12 years of demonstrated experience in IT, cybersecurity engineering, adn or Assessment & Authorizations (A&A) 
  • TS/SCI Clearance Required; #qinetiqclearedjob
  • Must hold a current certification compliane with DoD 8140.01 for IAT Level III or IAM Level III (eg. CISSP, CISM, GSLC, CASP+ CE). 
  • Must have provden hands-on experience with systems integration, enterprise netowrks, cloud computing systems, or Platofmr IT architectures. 
  • Must have previous experience with Special Access Programs and Sensitive Compartmentalized Information (SCI) systems 

Preferred Qualifications

  • Master's or an advanced degree in Engineering, Cybersecurity, IT or similar field 
  • Previous experience supporting RDT&E organizations/programs 

Company EEO Statement

 

Accessibility/Accommodation:

If because of a medical condition or disability you need a reasonable accommodation for any part of the employment process, please send an e-mail to staffing@us.QinetiQ.com or call (540) 658-2720 Opt. 1 and let us know the nature of your request and contact information.

 

QinetiQ US is an Equal Opportunity employer. All Qualified Applicants will receive equal consideration for employment without regard to race, age, color, religion, creed, sex, sexual orientation, gender identity, national origin, disability, or protected Veteran status.

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