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: Sr. Specialist, ISSE - Network Security

Job Code : 30043

Job Location: Greenville, TX

Schedule: 9/80

Job Description:

L3Harris is seeking an experienced Information System Security professional with particular technical experience in network appliances such as routers, switches, and firewalls that would work across multiple product lines within L3Harris’ Intelligence, Surveillance, and Reconnaissance (ISR) portfolio. You will be part of a diversely skilled engineering team in the design, implementation, and testing of complex interoperable systems. This position will work closely with applicable Information System Owner(s), information systems engineers, program management, and product development teams to explain and interpret cybersecurity processes, practices, and procedures such as Risk Management Framework (RMF), NIST 800-53, and Security Technical Implementation Guides (STIGs).

Overall duties include but are not limited to:

• Designing and Implementing Security Solutions: Develop and maintain network security systems, including firewalls, VPNs, and intrusion detection systems.
• Developing Security Policies: Create and enforce network security policies and procedures to safeguard sensitive information.
• Monitoring Network Activity: Continuously monitor network traffic for unusual activity and potential security breaches.
• Conducting Security Audits: Perform regular security assessments, vulnerability management, and audits to ensure compliance with industry standards and regulations.
• Responding to Incidents: Investigate and respond to security incidents, providing timely resolutions and reporting findings.

Job Requirements:

• 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.
• Top Secret Clearance with ability to obtain SCI.
• Requires on-site presence at the Greenville, TX location, with the potential for occasional telecommuting. Business travel equates to approx. 10% of man-year.
• CompTIA Security+ or equivalent certification.
• Fluent understanding of networking design including proper isolation, segmentation, and bandwidth management.

Preferred Additional Skills:

• Experience with networking topologies such as in-line encryption, intrusion prevention/detection systems, and virtual networks.
• Track record of collaboration with other functional organizations to ensure security measures are integrated into day-to-day processes.
• Learning mindset to stay current with the latest security trends, threats, and technology solutions.
• Aptitude and interest in mentorship and guidance to junior security engineers and IT staff.
• Associate of CISSP, CISSP, CCNA Security, CSA+, GICSP, GSEC, Security+ CE, SSCP, Linux+, Cloud+
• Strong technical writing skills.
• Familiarity with common engineering tools such as JIRA, Confluence, DOORS.
• Familiar with security engineering principles, design patterns, and processes.
• Experience with matrixed development teams (hardware, software, systems engineers) and embedded systems engineering

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.

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