Senior Firewall Engineer Lead (TS/SCI) – Enterprise Security

D2 Consulting; Springfield, Northern (VA, KY); Hybrid; USD 140,000 - 150,000; Full time

Benefits offered by this job

Health/Dental/Vision

401(k) match

PTO

STD/LTD/Life Insurance

Referral Bonuses

Professional development reimbursement

Job summary

D2 Consulting is seeking a Lead Firewall Engineer to oversee the NSS Boundary Team in the United States. The role reports to the Branch Chief of Cyber Technology Services and ensures compliance with QA standards and SLAs across the service area.

The incumbent will review CRQs, provide technical oversight of troubleshooting and solutions, and coordinate with stakeholders to protect operations and data assets. A strong DoD background is required.

Qualifications

• Active TS/SCI clearance required.
• 8+ years in network security and related technologies.
• 5+ years on large-scale enterprise/global networks.
• Experience with DoD framework and DoD network standards.
• Leadership of a firewall/boundary security team.

Responsibilities

• Serve as focal point for all firewall tasks, operations and projects.
• Lead daily operations and maintenance of the NSS Boundary work center.
• Design and implement security solutions using F5, Palo Alto and Juniper SRX.
• Ensure STIG/SRG baselines and configuration compliance.
• Perform regular compliance evaluations and audits.
• Develop and enforce SOPs and documentation.
• Monitor performance, logs and configuration drift.
• Provide written reports and briefings to leadership.
• Coordinate issues with stakeholders to ensure task completion.
• Evaluate new technologies to improve capacity and security.
• Mentor and coach personnel.

Skills

Lead Firewall Engineer

TS/SCI clearance

DoD knowledge

F5 experience

Palo Alto experience

Juniper SRX

Network security

CRQ review

Education

BS/MS in Computer Science or related field

Tools

F5 (APM/AFM/SSLO)

Palo Alto

Juniper SRX

OCSP/PKI

LDAP/AD/SAML/OAuth

Job description

D2 Consulting is seeking a Lead Firewall Engineer to oversee the NSS Boundary Team in the United States. The role reports to the Branch Chief of Cyber Technology Services and ensures compliance with QA standards and SLAs across the service area.

The incumbent will review CRQs, provide technical oversight of troubleshooting and solutions, and coordinate with stakeholders to protect operations and data assets. A strong DoD background is required.