Senior ISSE (TS/SCI) — RMF, Policy & Incident Response

D2 Consulting; Arnold (MO); On-site; USD 120,000 - 130,000; Full time

Benefits offered by this job

Health/Dental/Vision

401(k) match

Paid time off

Job summary

D2 Consulting is seeking an Information Systems Security Engineer (ISSE) in Arnold, MO. The role focuses on policy, accreditation, and secure architecture for a sensitive intelligence community environment.

You will draft security documents, lead RMF/C&A efforts, and coordinate remediation across multiple agencies. Ideal candidates bring 10+ years in information security, active TS/SCI clearance, and hands-on experience with ACAS/HBSS/Carbon Black/Tanium.

Qualifications

• 10+ years in information security or related field.
• Active TS/SCI clearance required.
• IAM Level II certification per DoD 8570.01-M.
• Experience with RMF and ICD 503.
• Proficient with information security tools (ACAS, HBSS, Carbon Black, Tanium).
• Cloud infrastructure experience (AWS) preferred.
• PowerShell and UNIX/RHEL scripting experience.

Responsibilities

• Draft and review security policies, MOAs, and SSPs.
• Lead Certification & Accreditation (C&A) and RMF activities.
• Review POA&Ms and drive remediation actions.
• Ensure IA hardware/software/configs meet security guides.
• Advise on secure system design with cross‑functional teams.
• Perform forensics, log analysis, and incident response.
• Configure and maintain network security infrastructure.
• Present findings to leadership and train staff.

Skills

Security clearance

IAM Level II

UNIX/RHEL scripting

PowerShell scripting

Network security

VMware virtualization

Active Directory

TCP/IP & VLANs

Education

Bachelor's in Computer Science or related field

Equivalent experience

CISSP or equivalent (bonus)

Tools

ACAS

HBSS

Carbon Black

Tanium

RedSeal

EMET

Job description

D2 Consulting is seeking an Information Systems Security Engineer (ISSE) in Arnold, MO. The role focuses on policy, accreditation, and secure architecture for a sensitive intelligence community environment.

You will draft security documents, lead RMF/C&A efforts, and coordinate remediation across multiple agencies. Ideal candidates bring 10+ years in information security, active TS/SCI clearance, and hands-on experience with ACAS/HBSS/Carbon Black/Tanium.