Senior Specialist, Information Security Systems Engineer (ISSE)

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 is the Trusted Disruptor in defense tech. 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 Specialist, Information Security Systems Engineering (ISSE) Job Code: 41354 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

L3Harris is looking for an experienced Information Security Systems Engineer (ISSE) to join the Engineering team in Palm Bay, FL supporting the design, implementation, and sustainment of secure information systems across enterprise and program environments. This role is responsible for applying cybersecurity engineering principles throughout the system lifecycle, helping ensure systems meet security, compliance, and mission requirements. The ideal candidate will be able to prepare and manage the Assessment & Authorization documentation using NIST Risk Management Framework (RMF) to achieve system Authorization to Operate (ATO).

• Prepare and manage Assessment and Authorization documentation using RMF and derivative processes (e.g., DOD 8510, JSIG, ICD-503, CNSSI 1253) to achieve security authorization of supported systems.

• Support the design, integration, and maintenance of secure system architectures for on-premises environments.

• Apply cybersecurity principles and security-by-design practices throughout the system development lifecycle.

• Analyze system requirements and derive security requirements, controls, and technical solutions.

• Perform security assessments, gap analyses, and risk evaluations for information systems and supporting infrastructure.

• Perform research required to identify vulnerability details and solutions to assist other cyber disciplines with their correction or mitigation.

• Support implementation and validation of security controls in alignment with applicable regulatory, contractual, and organizational requirements.

• Participate in Linux & Windows system hardening, secure configuration, patch management, and vulnerability remediation activities.

• Contribute to development of policies, standards, procedures, and technical documentation related to information security engineering.

• Support audits, inspections, and customer assessments by providing technical evidence and responses.

• Communicate technical risks, findings, and recommendations to both technical and non-technical stakeholders.

• 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 clearance: TS/SCI w/CI Poly.

• Must have or be able to obtain and maintain IAT Level II minimum (Security+ CE, CCNA Security, or equivalent) within 3-months of start.

• 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.)

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