Job Description

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris Technologies is the Trusted Disruptor in the defense industry. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: Senior Network Security Engineer Job Code: 23979 Job Location: Palm Bay, FL Job Schedule: 9/80: Employees work 9 out of every 14 days – totaling 80 hours worked – and have every other Friday off Job Description: We are seeking a highly skilled and experienced Senior Network Security Engineer to join our team. This individual will play a pivotal role in designing, implementing, and maintaining a Zero Trust network environment, while ensuring the security and resilience of our infrastructure. The position primarily involves working with Palo Alto firewalls and legacy Cisco firewalls, with additional responsibilities supporting Layer 3 routing and new data center upgrades. Essential Functions: Design, configure, and implement a Zero Trust network architecture, ensuring secure connectivity across all organizational assets. Manage and maintain Palo Alto firewalls and legacy Cisco firewalls, ensuring optimal performance and security. Support the upgrade and migration of data centers, collaborating with cross-functional teams to minimize disruption and ensure seamless transitions. Perform Layer 3 routing, including troubleshooting and optimizing routing to enhance network efficiency. Develop and maintain comprehensive documentation for security policies, procedures, and configurations. Collaborate with internal teams to identify vulnerabilities and implement proactive security measures. Stay informed on emerging threats, technologies, and best practices in network security. Ability to support up to 25% offsite travel, extra work hours beyond normal schedule. Willing to submit to a CI Polygraph. Qualifications: Bachelor’s Degree and minimum 6 years of prior relevant experience. Graduate Degree and a minimum of 4 years of prior related experience. In lieu of a degree, minimum of 10 years of prior related experience. Active Top Secret/SCI CompTIA Security + CE Certification. Preferred Additional Skills: Relevant certifications (e.g., Palo Alto PCNSE, Cisco CCNP Security, etc.) are a plus. Experience with Arista or Cisco network equipment. Experience with DOD encryption devices Self-motivated, able to switch tasks easily, work independently. Strong troubleshooting skills. L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law. Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information. By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions. L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish. For information regarding your Right To Work, please click here for English or Spanish. Seniority level Seniority level Mid-Senior level Employment type Employment type Full-time Job function Job function Information Technology Industries Defense and Space Manufacturing Referrals increase your chances of interviewing at L3Harris Technologies by 2x Sign in to set job alerts for “Senior Network Security Engineer” roles. We’re unlocking community knowledge in a new way. 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