Lead Firewall Engineer / Cybersecurity Engineer

Quantum Technologies. LLC; Washington (District of Columbia); On-site; USD 83,000 - 124,000; Full time

Job summary

Quantum Technologies. LLC in Washington, DC is seeking an experienced Lead Firewall Engineer / Cybersecurity Engineer to lead perimeter security and enterprise firewall initiatives across AWS/Azure, with 11+ years of experience in enterprise-grade environments.

You will manage firewall infrastructure, design secure architectures, and guide security projects across infrastructure, network, and cloud teams while developing runbooks and documentation to strengthen defenses.

Qualifications

• 11+ years of cybersecurity engineering experience focusing on network and firewall security.
• Extensive hands-on experience with Palo Alto Networks firewalls in large enterprises.
• Strong expertise in firewall policies, rules review, and security architecture.
• Solid TCP/IP, routing, VPN, WAN/LAN knowledge.
• Experience with IDS/IPS, WAF, SIEM, EDR, DLP, CASB.
• Experience securing AWS and Azure environments.
• Knowledge of vulnerability management and incident response.
• Scripting in Python/PowerShell/Bash.
• Familiarity with NIST, CIS, PCI-DSS, HIPAA, ISO 27001.
• Ability to produce runbooks and technical documentation.
• Lead security projects across infra/net/cloud teams.

Responsibilities

• Lead network and perimeter security engineering for enterprise.
• Manage enterprise firewall infrastructure and policies.
• Strengthen security controls and support cloud security initiatives.
• Collaborate with infra/network/cloud teams.
• Produce runbooks and technical documentation.

Skills

Cybersecurity engineering

Palo Alto Networks

Network security

Firewall policies

TCP/IP networking

Security operations tools

AWS & Azure security

Vulnerability management

Python/PowerShell/Bash

Security standards

Runbooks & docs

Tools

Palo Alto Networks firewall

Cloud security tooling (AWS/Azure)

Job description

Lead Firewall Engineer / Cybersecurity Engineer

Location:

Washington, DC

Duration:

12Months+ Extension

Domain Exposure:

Government

Client:

To Be Discussed Later

Employment Type:

W-2, 1099, C2C

Work Authorization:

US Citizen, Green Card, H-1B, OPT-EAD, CPT, Other

Job Title: Lead Firewall Engineer / Cybersecurity Engineer

Location: Washington, DC

Duration: 12 Months + Extension

Bill Rate: $73/hour (C2C)

Job Type: W-2, 1099, C2C

Client: To Be Discussed Later

Work Authorization:US Citizen, Green Card, OPT-EAD, CPT, H-1B, H4-EAD, Other

Position Overview:

Seeking an experienced Lead Firewall Engineer / Cybersecurity Engineer with extensive hands‑on experience in enterprise firewall administration, particularly Palo Alto Networks. The candidate will lead network and perimeter security engineering, manage enterprise firewall infrastructure, strengthen security controls, and support cloud and enterprise cybersecurity initiatives.

Key Required Skills:

• 11+ years of cybersecurity engineering experience, with strong focus on network and firewall security.
• Extensive hands‑on experience administering and managing Palo Alto Networks firewalls in large enterprise environments.
• Strong knowledge of firewall policies, rule reviews, configuration changes, security architecture, and troubleshooting.
• Strong understanding of TCP/IP, routing, switching, VPNs, WAN/LAN, and network security architecture.
• Experience with IDS/IPS, Web Application Firewalls (WAF), SIEM, EDR, DLP, and CASB.
• Experience supporting security operations across AWS and Microsoft Azure environments.
• Knowledge of vulnerability management, security risk assessments, threat analysis, and incident response.
• Scripting and automation experience using Python, PowerShell, or Bash.
• Strong knowledge of NIST, CIS Controls, PCI-DSS, HIPAA, and ISO 27001 security standards.
• Experience preparing security architecture diagrams, technical documentation, operational procedures, and runbooks.
• Ability to lead security projects, collaborate with infrastructure/network/cloud teams, and provide technical guidance.
  

Preferred Qualifications:

• Certifications such as CISSP, PCNSE, CCNP Security, GIAC, CEH, or Security+.
• Experience supporting SOC operations, threat hunting, root cause analysis, and forensic investigations.
• Knowledge of Zero Trust architecture and cloud‑native security tools.
• Experience with security automation and orchestration.
• Master's degree in Cybersecurity, IT, or a related discipline.

We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, or local law.