Freelance Network Firewall Engineer Jobs (NOW HIRING)

Concept Solutions is seeking a Network Engineer specializing in Firewall Support to join our Infrastructure Support Team supporting the Federal Aviation Administration (FAA) Infrastructure & Operations (I&O) Program. This position is part of the Networks Group and plays a critical role in protecting and securing the FAA's enterprise network infrastructure that supports thousands of users and mission-critical aviation systems across the National Airspace System (NAS).

The Firewall Network Engineer will support day-to-day operations, cybersecurity initiatives, and infrastructure projects focused on maintaining a secure, resilient, and compliant network environment.

• Manage multiple Check Point Firewall clusters supporting the FAA Internet Access Point (IAP).
• Manage and support the Zscaler Zero Trust platform, including Internet Access (ZIA), Private Access (ZPA), and Digital Experience (ZDX).
• Implement and manage advanced security capabilities including Intrusion Prevention System (IPS), Anti-Virus, Anti-Bot, Data Loss Prevention (DLP), SSL Interception, and Identity Awareness.
• Monitor, prevent, identify, investigate, and remediate cybersecurity events and threats.
• Participate in annual security assessments, remediation efforts, and compliance activities, including POAM tracking and Trusted Internet Connection (TIC) compliance requirements.
• Support annual Cybersecurity Test Facility exercises, including the development and enhancement of incident response procedures.
• Manage traffic and audit logs for enterprise security systems and maintain historical data supporting Security Information and Event Management (SIEM) applications.
• Collaborate with network, security, and operations teams to ensure the availability, integrity, and security of enterprise network services.

• Bachelor's degree in Information Technology or a related field and 8 years of IT experience, or 12 years of relevant IT experience in lieu of a degree.
• Experience managing firewall environments supporting large-scale organizations with 35,000+ users.
• Hands-on experience with Check Point, Fortinet, and Zscaler technologies, including monitoring, administration, and troubleshooting.
• Experience preventing, detecting, and remediating cybersecurity incidents and events.
• Experience developing incident response procedures and participating in security assessments.
• Experience tracking, managing, and resolving incidents through a ticket management system.
• Strong written, verbal, and interpersonal communication skills.
• Self-motivated with the ability to take ownership of projects and work independently.

• Experience supporting large enterprise environments with more than 35,000 users.
• Experience working collaboratively with technical teams, stakeholders, and government customers.
• Experience supporting both remote and onsite operations.
• Experience using enterprise service management platforms; ServiceNow experience is a plus.

Salary: $100K to $110K

• Primary Location: Remote with the ability to commute to the FAA in Atlanta, GA
• Schedule: Monday through Friday, core hours 9:00 AM to 3:00 PM local time
• Telework may be permitted when determined to be in the best interest of the Government
• FAA Personnel Suitability clearance required (AMS 3.14-2)

Founded in 1999 and headquartered in Reston, Virginia, Concept Solutions, LLC (CS) is a leading small business in technology, engineering, and management consulting. We are the innovative and agile force behind strategic solutions that enhance organizational efficiency and safeguard our nation across Aerospace, Defense, and National Security sectors.

For over 25 years, CS has been a trusted partner for the Federal Aviation Administration (FAA), Department of Homeland Security (DHS), Department of Justice (DOJ), Department of Defense (DoD) and other federal agencies delivering vital IT, security, and project management services.

Our commitment to excellence is reflected in our adherence to CMMI-DEV ML3, ISO 9001:2015, ISO/IEC 20000-1:2018, and ISO/IEC 27001-1:2013 standards. CS boasts company highlights that include:

• Over two decades of experience across over $300 million in contract awards supporting critical FAA programs
• Multiple contract vehicles providing opportunities across FAA, DoD, NOAA, and other Federal agencies
• Innovation Council - CS maintains an active Internal Research and Development (IR&D) program that is geared towards identifying emerging technologies and pursuing technological innovations

At CS, we know our success stems from our talented team. That's why we prioritize the wellbeing and growth of our employees, fostering a positive culture centered on innovation, engagement, and career development.

Concept Solutions offers a competitive benefits and salary package you would receive from a large company. We offer health, dental, vision and life insurance, as well as a comprehensive 401(k) plan with matching and immediate vesting.

Concept Solutions is an Equal Opportunity Employer, and we value workplace diversity. We invite resumes from all interested parties and consider applicants for all positions without regard to race, color, religion, sex, national origin, age, marital status, sexual preference, personal appearance, family responsibility, the presence of a non-job-related medical condition or physical disability, matriculation, political affiliation, veteran status, or any other legally protected status. Concept Solutions is a VEVRAA federal contractor, and we request priority referral of veterans for available positions.