Senior ISSE: TS/SCI + Poly | Chantilly

acclaimtechnicalservices; Chantilly (VA); On-site; USD 160,000 - 200,000; Full time

Job summary

Acclaim Technical Services in Chantilly, VA is seeking an Information System Security Engineer (ISSE) with TS/SCI clearance and polygraph to join our Data and Systems Integration Division. The role focuses on supporting and administering cybersecurity projects and A&A activities for Sponsor organizations.

Responsibilities include embedding security controls, conducting assessments, and ensuring proper documentation and configuration management across enclave environments.

Qualifications

• Prior ISSE and Network Engineering experience on a technical communication or intelligence collection program.
• Bachelor’s degree plus 8 years of related experience.
• TS/SCI clearance with polygraph

Responsibilities

• Design and embed security controls into system architectures.
• Run routine security scans and coordinate patching with admins and developers.
• A&A review and complete required technical documentation.
• Understand computer architecture, networks, OS and network security.
• Work with ISSMs to resolve issues.
• Develop and integrate IA and security systems for various environments.
• Review security assessments and recommend mitigations.
• Create and review A&A Body of Evidence documentation.

Skills

ISSE experience

Network engineering

Cybersecurity

Education

Bachelor's degree + 8 years

Tools

COTS/GOTS tools

Job description

Acclaim Technical Services in Chantilly, VA is seeking an Information System Security Engineer (ISSE) with TS/SCI clearance and polygraph to join our Data and Systems Integration Division. The role focuses on supporting and administering cybersecurity projects and A&A activities for Sponsor organizations.

Responsibilities include embedding security controls, conducting assessments, and ensuring proper documentation and configuration management across enclave environments.