Senior ISSE | TS/SCI Security Engineer & Architect

D2 Consulting; Springfield (VA); Hybrid; USD 130,000 - 140,000; Full time

Benefits offered by this job

Health/Dental/Vision

401(k) match

PTO (Accrued)

Job summary

D2 Consulting is seeking an Information Systems Security Engineer (ISSE) in Springfield, VA. This senior role requires an active TS/SCI clearance and IAM Level II certification to support a sensitive intelligence community program. You will contribute across policy, architecture, and incident response to safeguard critical systems.

The position emphasizes RMF/C&A leadership, secure system design, and hands-on network security operations, with a competitive salary and comprehensive benefits.

Qualifications

• 10+ years in information security, data security administration, or related field.
• Active TS/SCI clearance.
• IAM Level II certification required to start (DoD 8570.01-M).
• Experience with RMF and ICD 503.
• Experience with security tools ACAS/HBSS/Carbon Black/Tanium/RedSeal/EMET.
• Cloud infrastructure / AWS-based solutions.
• PowerShell and UNIX/RHEL scripting.
• Windows AD and VMware virtualization.
• Bachelor's degree in CS or related field.

Responsibilities

• Draft and review information security policies, MOAs, and SSPs.
• Lead Certification & Accreditation (C&A) and RMF processes.
• Review POA&Ms and drive remediation.
• Ensure IA hardware, software, and configurations comply with security guides.
• Advise on system design and architecture from a security-first perspective.
• Define and evaluate information security systems and multi-agency integration.
• Configure and maintain network security infrastructure (firewalls, gateways, IDS, load balancers).
• Conduct forensic traffic and log analysis; respond to alerts.
• Initiate protective measures for incidents; remediate vulnerabilities with ACAS scans.
• Engage with senior officials; develop security awareness training; present findings.

Skills

10+ years information security

TS/SCI clearance

IAM Level II

Windows AD

VMware virtualization

Scripting (PowerShell)

Security architecture

Education

Bachelor's degree in Computer Science or related field

Tools

ACAS

HBSS

Carbon Black

Tanium

RedSeal

EMET

Job description

D2 Consulting is seeking an Information Systems Security Engineer (ISSE) in Springfield, VA. This senior role requires an active TS/SCI clearance and IAM Level II certification to support a sensitive intelligence community program. You will contribute across policy, architecture, and incident response to safeguard critical systems.

The position emphasizes RMF/C&A leadership, secure system design, and hands-on network security operations, with a competitive salary and comprehensive benefits.