TS/SCI RMF Analyst & DoD ISSE — Security Engineer

TENICA; Chantilly (VA); On-site; USD 90,000 - 140,000; Full time

Job summary

TENICA in Chantilly, VA is seeking a Cybersecurity RMF Analyst / ISSE with TS/SCI clearance to support RMF activities and security accreditation for DoD systems. This hands-on role covers security controls, system hardening, documentation, vulnerability remediation, and continuous monitoring across Linux and Windows environments.

Applicants should have a cybersecurity foundation, willingness to learn DoD RMF processes, and an interest in mission-critical systems.

Qualifications

• Active TS/SCI clearance required for consideration.
• Interest in cybersecurity, IA, or systems security engineering.
• Foundational knowledge of Windows or Linux systems.
• Willingness to learn DoD RMF processes, NIST SP 800-53, and STIGs.
• Strong problem-solving, attention to detail, and collaborative mindset.
• Relevant cybersecurity education, certifications, or hands-on experience beneficial.

Responsibilities

• Support RMF activities throughout the system authorization lifecycle.
• Develop and maintain security documentation (SSPs, SARs, POA&Ms).
• Apply and validate security configurations and DISA STIG requirements.
• Use command-line tools to review configurations and collect evidence.
• Assist with vulnerability tracking, remediation, and continuous monitoring.
• Collaborate with engineering and operations to address security risks.
• Support compliance reviews, audits, and authorization activities.
• Learn and apply DoD cybersecurity policies, standards, and best practices.

Skills

Active TS/SCI clearance

Windows command-line

Linux command-line

Analytical problem-solving

Willingness to learn DoD RMF

Education

Cybersecurity education or certifications

Tools

ACAS/Nessus

eMASS

DISA STIG tooling

PowerShell / Bash / Python scripting

Job description

TENICA in Chantilly, VA is seeking a Cybersecurity RMF Analyst / ISSE with TS/SCI clearance to support RMF activities and security accreditation for DoD systems. This hands-on role covers security controls, system hardening, documentation, vulnerability remediation, and continuous monitoring across Linux and Windows environments.

Applicants should have a cybersecurity foundation, willingness to learn DoD RMF processes, and an interest in mission-critical systems.