Security / Firewall Engineer

Do you love network security services?

Are you passionate about securing and supporting the nation's critical networks?

Do you thrive in an inclusive and diverse workplace?

If so, we're looking for someone like you to join our team at APL!

We are ranked as one of Computerworld's Top Places to Work in IT 5 years running and are seeking a Network Security / Firewall Engineer to help manage and operate our enterprise network. As a member of our team, you'll work and collaborate with a hardworking team of security/firewall engineers and partner with our APL enterprise network team. Our team is committed to providing outstanding service to our customers and our IT counterparts within APL. We strive to build a team-oriented environment and value both team and personal accomplishments.

As a Network Security / Firewall Engineer...

• Design, implement, and manage Palo Alto Networks firewalls in a federal environment, ensuring compliance with federal cybersecurity policies and regulations.
• Perform firewall rule base audits and implement changes to ensure optimal security and performance.
• Configure and maintain security policies, NAT, VPNs (including IPsec and SSL), and application-based rules.
• Monitor and analyze network traffic using various tools and logs to identify and respond to potential threats.
• Collaborate with network engineers, system administrators, and other stakeholders to implement security best practices.
• Participate in security incident response efforts, providing expertise in firewall management and threat mitigation.
• Conduct regular security assessments, including vulnerability scanning and penetration testing, to identify and address potential risks.
• Provide technical guidance and training to junior engineers and personnel on Palo Alto firewall operations.
• Document all configurations, changes, and procedures in accordance with federal documentation standards.
• Proactively monitor security threats, vulnerabilities, and mitigation techniques, ensuring the enterprise network remains secure.

Qualifications

You meet our minimum qualifications for the job if you...

• Possess Bachelor’s degree in Computer Science, Information Technology, Cybersecurity, or related field (or equivalent work experience).
• 5+ years of experience in network security, with at least 3 years focused on Palo Alto Networks technologies.
• Experience working in a federal environment and familiarity with federal cybersecurity frameworks (e.g., NIST, FISMA, FedRAMP).
• Strong knowledge of network protocols, firewall architecture, and secure network design.
• Proficiency in scripting and automation (e.g., Python, Ansible) is a plus.
• Excellent problem-solving skills, with the ability to troubleshoot complex security and network issues.
• Strong communication skills, with the ability to clearly explain technical concepts to non-technical stakeholders.
• Willingness to work on-site and travel as required by the client.
• Are able to obtain a Secret level security clearance. If selected, you will be subject to a government security clearance investigation and must meet the requirements for access to classified information. Eligibility requirements include U.S. citizenship.

You'll go above and beyond our minimum requirements if you...

• Have a Master’s degree in Computer Science, Information Technology, Cybersecurity, or related field (or equivalent work experience).
• Have obtained a Palo Alto Networks Certified Network Security Engineer (PCNSE) certification.
• Have any network industry certifications, e.g. CCNA, CCNP, CCIE, Arista ACE 1-7.
• Are familiar with Macro-segmentation / Network Access control solutions.

Why work at APL?

The Johns Hopkins University Applied Physics Laboratory (APL) brings world-class expertise to our nation’s most critical defense, security, space and science challenges. While we are dedicated to solving complex challenges and pioneering new technologies, what makes us truly outstanding is our culture. We offer a vibrant, welcoming atmosphere where you can bring your authentic self to work, continue to grow, and build strong connections with inspiring teammates.

At APL, we celebrate our differences and encourage creativity and bold, new ideas. Our employees enjoy generous benefits, including a robust education assistance program, unparalleled retirement contributions, and a healthy work/life balance. APL’s campus is located in the Baltimore-Washington metro area. Learn more about our career opportunities at .