Lead, Information Security Systems Engineer - Secret Clearance
L3HARRIS Technologies
Palm Bay, FL · Posted October 9, 2026
Just laid off? Start here: a plan for the first weeks
See every open role at L3HARRIS Technologies
More in Florida job market · Aerospace & Defense · Security jobs
More roles at L3HARRIS Technologies
- Senior Manager, Program Management (PMX Leader & Chief of Staff) · Melbourne, FL
- Principal, Contracts · Salt Lake City, UT
- Senior Principal, Global Trade Compliance Counsel · Melbourne, FL
- Sr. Manager, Systems Engineering · San Diego, CA
- Principal, Supply Chain Program Management · Fort Wayne, IN
- Director, Aerospace Engineering · Waco, TX
Similar jobs
- Cloud Security Engineer · Bayview Asset Management · Coral Gables, FL
- Endpoint Information Security Engineer · Bayview Asset Management · Coral Gables, FL
- Cybersecurity Engineer SME · Govcio · Tampa, FL
- Senior Engineer, Cloud and System Security · SES Energy Services · McLean, VA
- Sr Cybersecurity Engineer · Fairview Heights Medical Group Sc · Minneapolis, MN
- Network Security Engineer · Ametek Inc/
Security jobs in the rankings
Rankings about security jobs
- Best cities for security jobs #1 San Francisco (316 openings)
- Best cities for security pay after cost of living #1 San Mateo ($241k)
- Most requested AI skills in security jobs #1 AI tools in daily work (10.8%)
- Employers with the most security jobs #1 Amazon (318 roles)
How AI is used in this kind of work
Among computer occupations, all other, AI is already used for a large share of the tasks. Measured exposure for computer occupations, all other: 31% (high).
Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
Skills this job asks for
Say which you have and which you want to build. We use it to match you to jobs like this one.
About the job
Job Title: Lead, Information Security Systems Engineer
Job Code: 44237
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
Job Description:
Applies current systems security engineering methods, practices and technologies to the architecture, design, development, evaluation and integration of systems and networks to maintain system security. Throughout the lifecycle of system, works closely with customers to ensure that the security protection needs, concerns and requirements are defined and implemented with appropriate fidelity and rigor, early, and in a sustainable manner that will allow for the security authorization of the system of interest. Works with systems developers or commercial product vendors in the design and evaluation of state-of-the-art secure systems, networks, and database products using methods such as encryption technology, vulnerability analysis and security management. Responsible for integration of multiple methods into a cohesive system security perimeter and environment while implementing the policies and procedures necessary to monitor and maintain such an environment. Prepares Certification and Accreditation documentation, using multiple industry standards such as DITSCAP, NIACAP, DCID 6/3, Common Criteria, and NIST 800-37, to achieve security authorization of supported systems. Represents program security needs, concerns and requirements at customer meetings.
Essential Functions:
Lead assessment activities for security and privacy controls in embedded systems using NIST 800-53.
Experience leading programs through the Risk Management Framework (RMF) accreditation and authorization (A&A) processes to include RMF steps 1-4 (categorization, controls selection, control implementation, security assessment) and standard Body of Evidence (BoE) package development.
Experience with A&A package processing
Experience in RMF accreditation of Platform IT (PIT) systems.
Experience in configuration and use of cyber defense and vulnerability assessment tools such as ACAS and SCC.
Experience in DoD software selection and approval processes for COTS, GOTS and FOSS
Support security engineering activities, including basis of estimate development, requirements development, design, test, configuration management and maintenance of information systems and data
Assist program security in the development of policies and procedures for emerging security technologies
Support the evaluation, qualification, testing and delivery of security architecture improvement, obsolescence replacement and vulnerability response projects
Experience with Security Testing and Verification
Experience as Control Account Manager (CAM) with Earned Value Management System (EVMS) tools
Experience as Integrated Product Team Lead (IPTL)
Work is to be accomplished 100% onsite, in a lab environment, no options for remote support
Ability to obtain and maintain a DOD 8140 certification (or NIST 800-181), appropriate for the position within 6-months of start
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.
Active Collateral Secret security clearance required.
Preferred Additional Skills:
NSA Type 1 Certification of cryptographic high assurance devices
Experience with NSA High Assurance products and IASRD and SERD requirements
Lead the development and implementation of Anti-Tamper (AT) throughout the System Development Lifecycle. Key tasks include
Assessing systems for Critical Program Information
Conducting trade studies
Developing AT requirements
Implementing security architectures
Assessing threats via attack/countermeasure analysis
Conducting Verification and Validation activities.
Serve as a SME in the area of AT.
Experience using DoD 5200.39 in identifying and protecting critical program information (CPI).
Experience in Engineering trustworthy and secure systems IAW NIST 800-160.
Draft Program Protection Implementation Plans (PPIPs), Cybersecurity Strategies, Security Classification Guides (SCGs), and AT Plans
Interact with customer to define AT requirements, solutions, trades, costs, implementation, system impacts, and effectiveness
Ability to obtain Top Secret clearance preferred, active TS/SCI Clearance is highly desired.
#LI-KT1