Senior Specialist, Information Security Systems Engineer

L3Harris is looking for an experienced Information Security Systems Engineer (ISSE) to join the Engineering team in Palm Bay, FL supporting our government customer out of Patrick Space Force Base (PSFB). In this role, you will work closely with Government customers to ensure security protection needs, concerns, and requirements are met on their network which is AWS cloud based. You will prepare Certification and Accreditation documentation using multiple standards to achieve security authorization of supported systems, and represent program security needs and requirements at customer meetings. This position requires someone who can represent the Cyber Security organization working closely with the customer coordinating their needs across multiple teams. The responsibilities below highlight the essential functions of the position; the selected candidate is expected to have experience in multiple areas with the ability to learn the others and grow as needed. Essential Functions: Apply advanced systems security engineering methods, practices, and technologies to the architecture, design, development, evaluation, and integration of secure systems and networks. Collaborate closely with Government customers and internal staff to define, implement, and maintain security protection needs, concerns, and requirements throughout the system lifecycle, ensuring security authorization. Design, implement, and manage security controls and configurations for both Linux and Windows systems, including system hardening, vulnerability assessments, and penetration testing. Prepare and manage Certification and Accreditation documentation using RMF and derivative processes (e.g., DOD 8510, JSIG, ICD-503, CNSSI 1253) to achieve security authorization of supported systems. Configure and manage logging for Linux and Windows systems, ensuring relevant security events are captured and forwarded to Splunk servers for analysis and monitoring. Monitor and analyze security logs and alerts from Splunk, investigating potential security incidents and taking appropriate actions to mitigate risks. Develop, document, and maintain security policies, procedures, and guidelines for system hardening, configuration management, and emerging security technologies. Develop and implement incident plans and procedures to ensure that security incidents are responded to promptly and effectively. Perform functional analysis, timeline analysis, detailed trade studies, requirements derivation and allocation, and interface definition studies. Contribute to Information Security Engineering activities, including CDRLs, trade studies, security requirements analysis, secure architecture development, compliance with security controls, and security test/verification activities. Identify security risks, threats, and vulnerabilities of networks, systems, applications, and new technology initiatives, and support security engineering activities such as basis of estimate development, design, test, configuration management, and maintenance of information systems and data. Provide technical guidance to other employees and be able to act as an IA liaison across all engineering and security disciplines, ensuring integration of security controls into the system development lifecycle. Qualifications: Bachelors 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. Must possess an active clearance: TS/SCI. Must have or be able to obtain and maintain a DOD 8140 certification (or NIST 800-181), appropriate for the position within 3-months of start. Preferred Additional Skills: Familiarity with emerging technologies such as cloud computing, containerization, and microservices, and their security implications (e.g. Understanding of security control inheritance in cloud-based systems.) Experience with security tools such as IDS/IPS, vulnerability scanners, and endpoint protection solutions. LI-FS1 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. 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