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L3Harris Technologies

Senior Cyber Security Engineer

Columbia, MD, United States
Rochester, NY, United States

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Job details

Posting language: English
Posted: Nov 6, 2026

Original job description

Job Title: Senior Specialist, Information Security Systems Engineer

Job Code: 47497

Job Location: Rochester, NY or Columbia, MD

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

About L3Harris Technologies:

L3Harris Technologies is an agile global aerospace and defense technology innovator, delivering end-to-end solutions that meet customers’ mission-critical needs. The company provides advanced defense and commercial technologies across space, air, land, sea and cyber domains. L3Harris has approximately $18 billion in annual revenue and 47,000 employees, with customers in more than 100 countries.

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. Works closely with Government 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 throughout the life cycle of systems 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. Uses methods such as encryption technology, vulnerability analysis, and security management. Responsible for integration of multiple methods into a cohesive system security perimeter and environment and the policies and procedures necessary to monitor and maintain such an environment. Will prepare Certification and Accreditation documentation, using multiple standards under RMF and derivative processes (DOD 8510, JSTIG, ICD-503, CNSSI 1253), to achieve security authorization of supported systems. Represents program security needs, concerns and requirements at customer meetings.

Essential Functions:

Certification of Cryptographic High Assurance Devices.
Experience with High Assurance products, IASRD and SERD requirements.
Experience in configuration and use of cyber defense and vulnerability assessment tools such as ACAS and SCC.
Assess security and privacy controls in embedded systems using NIST 800-53.
Utilize Risk Management Framework (RMF) accreditation and authorization (A&A) processes, including RMF steps 1-4 (categorization, controls selection, control implementation, security assessment) and standard body of evidence (BoE) package development.
A&A package processing.
RMF accreditation of Platform IT (PIT) systems.
Collaborate with customers, internal program teams, and leadership to address needs.
Provide DoD software selection and approval processes for COTS, GOTS, and FOSS.
Support security engineering activities, including basis of estimate development, requirements development, design, testing, configuration management, and maintenance of information systems and data.
Collaborate with customers, internal program teams, and leadership to address program needs.
Assist program security in the development of policies and procedures for emerging security technologies.
Support the evaluation, qualification, testing, and delivery of security architecture improvements, obsolescence replacements, and vulnerability response projects.
Work is to be accomplished 100% onsite, in a lab environment, with no options for remote support.

Qualifications:

Requires strong knowledge of job area. Typically viewed as having a specialty within discipline. May have broad knowledge of project management. 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

Preferred Additional Skills:

Prior or current experience with developing and High Assurance Device certification on embedded systems.
Prior or current experience with Risk Management Framework A&A on embedded systems.
Prior or current experience with the development and implementation of System Security Engineering for the protection of CPI throughout the System Development Lifecycle.
Assess systems for Critical Program Information (CPI).
Conduct trade studies and develop System Security Engineering requirements.
Assess threats via attack/countermeasure analysis.
Conduct Verification and Validation activities.
Use DoD 5200.39 for the identification and protection of CPI.
Engineer trustworthy and secure systems in accordance with NIST 800-160.
Develop and implement comprehensive Program Protection Plans (PPP) to safeguard critical program information (CPI) and technologies.
Draft Program Protection Plans (PPPs), Cybersecurity Strategies, Security Classification Guides (SCGs), and System Security Engineering Plans.
Interact with customers to define System Security Engineering requirements, solutions, trades, costs, implementation, system impacts, and effectiveness.
Highly motivated, a self-starter, and able to operate with little supervision in diverse environments.
Must have a successful track record in planning, executing, and tracking personal task assignments.
Experience leading small product development teams and mentoring other engineers.
Minimum of Collateral Secret security clearance required.

In compliance with pay transparency requirements, the salary range for this role in New York is $92,500 - $171,500. The salary range for this role in Washington is $106,500 - $197,500. This is not a guarantee of compensation or salary, as final offer amount may vary based on factors including but not limited to experience and geographic location. L3Harris also offers a variety of benefits, including health and disability insurance, 401(k) match, flexible spending accounts, EAP, education assistance, parental leave, paid time off, and company-paid holidays. The specific programs and options available to an employee may vary depending on date of hire, schedule type, and the applicability of collective bargaining agreements.

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More about this job

Skills

Cybersecurity
Documentation
Risk management
Leadership
Project management
Embedded systems
Communicate with customers
Coaching
Regulatory compliance

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