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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: Lead, Cloud Information Systems Security Manager Job Code: 34755Job Location:Melbourne, FLJob Schedule: 9/80: Employees work 9 out of every 14 days – totaling 80 hours worked – and have every other Friday off Job Description:

L3Harris is seeking an experienced Information Security Systems Engineer (ISSE) or Information Systems Security Manager (ISSM) to join the L3Harris Network Security Engineering Team supporting managed network infrastructures for federal government and other customers.

We are seeking a highly skilled, customer-facing cybersecurity engineering leader with a strong foundation in software engineering, CI/CD pipeline delivery, and cloud-native architectures. This individual will serve as the primary cybersecurity engineering representative, partnering closely with Program Management leadership and customer stakeholders to drive execution, maintain strategic and technical alignment, ensure timely delivery of required artifacts, and keep programs on schedule.

This role operates within a dynamic, mission-focused environment and requires both deep technical expertise and strong leadership capability. The selected candidate will influence technical direction, guide engineering execution, drive process improvements, and ensure security is seamlessly integrated into development and operational workflows.

• This is a 100% on-site position at the L3Harris offices in Melbourne, Florida. Remote work is not permitted.

Essential Functions:

• Serve as the Information Systems Security Manager (ISSM), providing overall leadership, governance, and oversight of cybersecurity strategy, risk management, and compliance activities across assigned programs and systems.
• Establish and maintain system security architecture, policies, and procedures to ensure alignment with enterprise security objectives and regulatory requirements.
• Lead cybersecurity risk management activities, including system authorization support, control implementation oversight, assessment coordination, and continuous monitoring.
• Partner with Program Management and customer stakeholders to ensure cybersecurity requirements are integrated into program planning, execution, and delivery milestones.
• Oversee the preparation and maintenance of security documentation, including System Security Plans (SSPs), security assessments, Plans of Action & Milestones (POA&Ms), and engineering change documentation.
• Ensure effective implementation and monitoring of NIST-based controls, including validation of technical, administrative, and operational safeguards.
• Provide oversight of Dev Sec Ops integration efforts, ensuring security requirements are embedded within CI/CD pipelines, configuration-as-code, and policy-as-code practices.
• Guide secure design and implementation of cloud-based and hybrid architectures, ensuring adherence to Zero Trust and enterprise security principles.
• Lead cross-functional cybersecurity coordination across engineering, development, operations, and testing teams, promoting secure-by-design practices throughout the system lifecycle.
• Serve as the primary cybersecurity liaison to customer and stakeholder leadership within regulated or federal environments.
• Ability to obtain FAA Public Trust Clearance.

Qualifications:

• Bachelor’s Degree and minimum 9 years of prior relevant experience. Graduate Degree and a minimum of 7 years of prior related experience. In lieu of a degree, minimum of 13 years of prior related experience.

Preferred Additional Skills:

• Governance & Compliance Expertise:

• 5+ years of experience implementing and overseeing NIST-based frameworks within regulated or enterprise environments.

• Risk Management & Authorization:

• Demonstrated experience supporting system authorization processes, security control assessments, continuous monitoring, and audit readiness.

• Architecture & Infrastructure Security Oversight:

• Experience overseeing secure network and cloud architectures, ensuring required security posture at infrastructure and platform layers.

• Enterprise & Cloud Security Leadership:

• Experience applying Zero Trust principles and enterprise security best practices across cloud, containerized, and hybrid environments.

• Experience collaborating with engineering and development teams to integrate security requirements into Agile and Dev Sec Ops workflows.

• Familiarity with security automation, continuous monitoring tools, and vulnerability management platforms.

• Strong knowledge of enterprise networking technologies and secure infrastructure operations.

• Experience supporting proposal development, including cybersecurity strategy contributions and Basis of Estimates (BOEs).

• Experience implementing and overseeing customer-specific NIST and FISMA compliance requirements within regulated environments.

• Experience supporting cloud-native and hybrid-cloud environments with integrated CI/CD security controls.

• Experience working in cloud-native and hybrid-cloud environments, integrating security controls into CI/CD pipelines and supporting Dev Sec Ops best practices.

• Relevant certifications such as AWS Certified Security – Specialty, AWS Certified Solutions Architect – Professional, CISSP, CCSP, CSSLP, CCNA, CCNP, CompTIA Security+, or equivalent credentials.

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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.

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