Firewall Engineer

Lumen Solutions Group Inc.; Washington (District of Columbia); Remote; USD 96,000 - 165,000; Part time

Job summary

Lumen Solutions Group Inc. is seeking a Lead Cybersecurity Engineer to design, implement, and optimize enterprise firewall solutions, focusing on Palo Alto Networks firewalls and related security platforms in a large-scale environment.

You will lead security projects, mentor junior staff, and coordinate with cloud and network teams while ensuring compliance with NIST, CIS, and PCI-DSS. This contract role supports Washington, DC area with remote flexibility.

Qualifications

• Bachelor's degree in Cybersecurity, IT, CS or related field.
• Experience: enterprise firewall security design and implementation.
• Strong understanding of NIST, CIS, PCI-DSS, HIPAA, ISO 27001 and related standards.

Responsibilities

• Lead design, implementation, administration, and optimization of enterprise firewall technologies.
• Manage firewall policies, rule reviews, configuration changes, and security architecture recommendations.
• Monitor and respond to security threats, vulnerabilities, and incidents.
• Support cloud security across AWS and Azure environments.
• Develop security engineering documentation and runbooks.
• Mentor junior security staff and collaborate with cross-functional teams.

Skills

TCP/IP networking

Firewall security design

Security incident response

Cloud security principles

Scripting (Python/PowerShell)

SIEM/EDR/DLP

Vulnerability management

Communication skills

Education

Bachelor's degree in Cybersecurity/IT/CS

Master's degree in Cybersecurity (preferred)

Tools

Palo Alto firewalls

Palo Alto Networks appliances

Job description

Company Description

Lumen Solutions Group Inc. is a technology consulting Services company based in Florida. We provide a wide array of experienced business and IT professionals supporting clients from solution design to implementation and support. We specialize in professional IT consulting services, IT Staffing, Business/IT Strategy, Business Process Blueprints, Enterprise Architecture, and Enterprise Transformation.

Company Description

Lumen Solutions Group Inc. is a technology consulting Services company based in Florida. We provide a wide array of experienced business and IT professionals supporting clients from solution design to implementation and support. We specialize in professional IT consulting services, IT Staffing, Business/IT Strategy, Business Process Blueprints, Enterprise Architecture, and Enterprise Transformation.

Job Title- Firewall Engineer

Location- Washington, DC (Remote)

Job Type- Contract

Job Description

The Lead Cybersecurity Engineer provides advanced cybersecurity engineering expertise to protect enterprise systems, networks, applications, and data. This role is responsible for designing, implementing, maintaining, and optimizing security technologies while supporting the organization's cybersecurity strategy and operational objectives.

The position serves as a technical leader for network and perimeter security, ensuring security controls are effectively implemented to protect critical infrastructure.

Key Responsibilities

• Lead the design, implementation, administration, and optimization of enterprise firewall technologies, including Palo Alto Networks firewalls and related security platforms.
• Manage firewall policies, rule reviews, configuration changes, and security architecture recommendations while ensuring compliance with established security standards.
• Analyze and respond to network security threats, vulnerabilities, and security incidents.
• Perform security risk assessments and provide recommendations to improve network, cloud, and application security.
• Support and maintain Intrusion Detection and Prevention Systems (IDS/IPS), Web Application Firewalls (WAF), VPN technologies, and network access controls.
• Collaborate with infrastructure, networking, cloud, and application teams to integrate security requirements into solution designs and implementations.
• Support cloud security initiatives across AWS and Microsoft Azure environments.
• Develop and maintain security engineering documentation, network security diagrams, standards, procedures, and operational runbooks.
• Lead security technology projects and provide technical guidance to project teams throughout the system development lifecycle.
• Conduct security reviews of new systems, technologies, and architectural designs.
• Participate in incident response, threat hunting, root cause analysis, and forensic investigations as required.
• Monitor security events through SIEM platforms and partner with Security Operations teams to identify and remediate threats.
• Automate operational security functions using scripting languages such as Python, PowerShell, or Bash.
• Ensure security controls and configurations comply with NIST, CIS, PCI-DSS, HIPAA, and other applicable regulatory and industry standards.
• Provide mentorship and technical guidance to junior security staff and project teams.
• Support planned and unplanned maintenance activities, including after-hours implementations and incident response activities.

Required Qualifications

• Bachelor's degree in Cybersecurity, Information Technology, Computer Science, Engineering, or a related field.
• Minimum 11 years of cybersecurity engineering experience, with a focus on network and firewall security.
• Extensive hands-on experience administering Palo Alto Networks firewalls in large enterprise environments.
• Strong understanding of TCP/IP networking, routing, switching, VPNs, WAN/LAN technologies, and network security architecture.
• Experience managing IDS/IPS, SIEM, EDR, DLP, CASB, and other enterprise security technologies.
• Experience supporting security operations within AWS and Microsoft Azure environments.
• Advanced knowledge of vulnerability management, risk assessment methodologies, and security frameworks.
• Experience with scripting and automation using Python, PowerShell, Bash, or similar languages.
• Strong understanding of NIST, CIS Controls, PCI-DSS, HIPAA, ISO 27001, and industry cybersecurity best practices.
• Excellent communication, stakeholder management, and problem-solving skills.

Preferred Qualifications

• Master's degree in Cybersecurity, Information Technology, or related discipline.
• Professional certifications such as CISSP, CEH, Security+, GIAC, PCNSE, CCNP Security, or equivalent.
• Experience supporting Security Operations Center (SOC) functions.
• Experience with cloud-native security tools and zero-trust security architectures.
• Experience developing security automation and orchestration solutions.

Lumen Solutions Group Inc is an equal opportunity employer. All qualified applicants will be considered for employment without regard to any legally protected status.