Manager, Cyber Intelligence (ISSM)

L3Harris Technologies; Palm Bay (FL); On-site; USD 140,000 - 190,000; Full time

Job summary

L3Harris Technologies in Palm Bay, FL seeks an experienced Information System Security Manager to lead cybersecurity for critical missions. The ISSM will supervise ISSOs, oversee continuous monitoring, and balance security with mission needs.

The role requires clear briefing of government customers, collaboration with ISSEs, and program leadership to drive risk-based decisions while delivering secure, compliant systems.

Qualifications

• Requires a bachelor’s degree with many years of related experience; graduate degree preferred.
• Must hold an active TS/SCI clearance with CI polygraph.
• DoD 8140 certification or within 3 months to start.

Responsibilities

• Lead cybersecurity projects and manage risks across lifecycles.
• Oversee security control assessments and Continuous Monitoring.
• Coordinate with program leadership to sustain secure networks and practices.
• Brief government customers and stakeholders on system posture and risk-based decisions.

Skills

Leadership

Cybersecurity

Communication

Program management

Education

Bachelor’s Degree + 9+ years

Active TS/SCI with CI polygraph

DoD 8140 certification (CISSP/Security+/GSLC)

Tools

Nessus

Splunk

SIEM

DLP

UBA

Job description

Job Title: Manager, Information System Security Manager (ISSM) – Cyber Intelligence

Job Code: 41731

Job Location: Palm Bay, FL

Job Schedule: Employees work 9 out of every 14 days – totaling 80 hours worked, and have every other Friday off

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 Description

We are seeking an experienced and highly motivated Information System Security Manager (ISSM) to lead cybersecurity efforts in support of critical mission and business objectives. This role is ideal for a seasoned professional who can translate complex cybersecurity requirements into clear business value and build well-reasoned cases for implementation with program leadership.

The successful candidate understands how to balance strong security controls with operational and business needs, ensuring compliance without losing sight of mission success. As the leader of a team of Information System Security Officers (ISSOs), the ISSM will oversee the execution of continuous monitoring activities, foster a high-performing team environment, and provide meaningful mentorship and career development support.

This position requires a confident communicator who can clearly brief government customers and program stakeholders on system security posture, advocate for sound risk-based decisions, and negotiate requirement fulfillment effectively. The ISSM must also work closely and collaboratively with Information Systems Security Engineers (ISSEs) to support the implementation and sustainment of security controls, without direct supervisory authority.

In addition, the role demands strong program execution skills. The ISSM will manage multiple concurrent efforts and must be adept at delegation, milestone tracking, and driving work to completion while maintaining control of scope, schedule, and cost.

Essential Functions

• Manage cybersecurity projects, deliverables, and risk throughout system and program lifecycles
• Perform security control assessments and oversee execution of Continuous Monitoring Plans
• Interface with program management, IT leadership, and functional engineering leads to develop and maintain secure networks and implement cybersecurity best practices
• Coordinate with customer security representatives and operational leadership to provide status, complete deliverables, and facilitate assessment and authorization actions
• Ensure all systems are comprehensively monitored for anomalous activity
• Manage the spillage response process for areas of responsibility
• Develop new concepts or standards which make significant and impactful improvements to processes, systems, solutions, or products
• Provide tasking and guidance to ISSO team
• Willingness to submit to a full scope (FS) polygraph

Qualifications

• Bachelor’s Degree and minimum 9 years prior related experience. Graduate Degree with a minimum of 7 years of prior related experience. In lieu of a degree, minimum of 13 years of prior related experience.
• Active Top Secret/SCI security clearance with active counterintelligence (CI) polygraph
• DoD 8140 qualifying certification (e.g. CISSP, Security+, GSLC, etc.) or within 3-month to start

Preferred Additional Skills

• Currently possess an active full scope polygraph
• High level of personal motivation and initiative to learn and acquire new skills and a technical understanding of new technologies
• 9 years of prior relevant experience to include experience with networking equipment; experience interpreting vulnerability scanning results (e.g. Nessus, Rapid7, etc.); experience reviewing workstation, server, firewall, & IPS logs (e.g. Splunk); experience with SIEM, DLP, and/or UBA tools
• Experience as an ISSM managing cybersecurity on classified systems under multiple agencies’ JSIG, NISPOM Ch8, ICD 503, and/or NIST 800-53 implementations
• Experience developing, managing, and providing evidence to close POA&Ms associated with the A&A and project management processes
• Experience with diverse workstation and server operating systems, including but not limited to Microsoft and Linux offerings
• Exceptional verbal, written, interpersonal and presentation skills
• Excellent customer relationship building, analytical, time management, and task prioritization skills
• Able to socialize ideas, make recommendations, and gain team consensus
• Flexibility to adjust to changing requirements, schedules, and priorities

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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