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Lead, Information Security Systems Engineer - Secret Clearance

L3HARRIS Technologies

Palm Bay, FL · Posted October 9, 2026

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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.

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