Sr. Cybersecurity Engineer (CI-Poly)

Title: Sr. Cybersecurity Engineer
Location: Reston, Virginia (ON-SITE)
Clearance Required: Top Secret/SCI w/ CI Polygraph

Experience Required:
-Minimum 7 years professional experience in software engineering, security engineering, or related roles.
-Bachelors degree OR experience may used in lieu of degree.
-Active TS/SCI + CI Poly clearance.
-Experience designing, developing, and deploying application components leveraging AWS cloud services in IL6+ classified environments.
-Proven experience implementing authentication and authorization frameworks (e.g., OAuth 2.0, OIDC, SAML).
-Hands-on expertise with fine-grained access control models (entitlements, row-level security, ABAC).
-Strong proficiency in at least one programming language (e.g., Java, Go, Python) for building frameworks and libraries.
-Solid experience with zero trust architecture and principles.
-Experience creating developer documentation and integration guides.
-Strong grasp of secure coding practices and software development lifecycle (SDLC) security.

Job Description:
As Sr. Cybersecurity Engineer , you’ll design and develop technical architecture components enabling application teams to integrate with zero trust authentication and authorization services. You will work closely with application developers, security architects, and infrastructure teams to build secure-by-design integration patterns and accelerate adoption of zero trust principles across the enterprise.

Responsibilities:
-Design, develop, and maintain reusable frameworks, libraries, APIs, and reference implementations for zero trust authentication and authorization.
-Create developer guides, documentation, and best practices to enable smooth integration with security services.
-Implement and support fine-grained authorization patterns (entitlements, row-level security, ABAC).
-Collaborate with architects and engineers to ensure security services meet performance, usability, and compliance requirements.
-Conduct code reviews and provide guidance to development teams on secure coding and integration practices.
-Research emerging zero trust and identity/access management technologies to recommend improvements.



• This position requires an active DoD Clearance (Secret, Top Secret, Top Secret/SCI) or the ability to be obtain an (Interim Secret, Interim Top Secret)
• Because an active or interim DoD clearance is required, U.S. Citizenship is required


o Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms.  If eligible, the benefits available for this temporary role may include the following:
 Medical, dental & vision
 Critical Illness, Accident, and Hospital
 401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available
 Life Insurance (Voluntary Life & AD&D for the employee and dependents)
 Short and long-term disability
 Health Spending Account (HSA)
 Transportation benefits
 Employee Assistance Program
 Time Off/Leave (PTO, Vacation or Sick Leave)