JobsCyber SecurityUnited StatesSenior Cyber Security Engineer

L3Harris Technologies

Posted 4 days ago · Jobs at L3Harris Technologies

Senior Cyber Security Engineer

L3Harris Technologies · Howard County, Maryland, United States · also City of Rochester, New York, United States

Full-timeOn site5-10 yrs$93k–$198kListed as no visa sponsorshipDefense and Space Manufacturing
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In short

The engineer will design, develop, and integrate secure systems and networks while ensuring compliance with government security standards. They are responsible for preparing certification and accreditation documentation and performing vulnerability assessments to maintain a secure system perimeter.

What they're looking for

MUST-HAVE SKILLS

Systems security engineeringRisk management frameworkVulnerability assessmentEncryption technologyCertification and accreditationCryptographic high assurance devicesNIST 800-53ACASSCCEmbedded systems securityProgram protection planningSecurity architectureConfiguration managementRequirements developmentAttack countermeasure analysisDoD 8510

ALSO MENTIONED

Cyber SecuritySystems EngineeringRMFCryptographyVulnerability AnalysisICD-503CNSSI 1253JSTIGEmbedded SystemsCPI+14 MORE

Candidates must have a bachelor's degree with at least 6 years of relevant experience or a graduate degree with 4 years of experience. A minimum of a collateral Secret security clearance is required for this onsite role.

About the employer

L3Harris Technologies

L3Harris Technologies is the Trusted Disruptor in the defense industry. 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. Visit L3Harris.com for more information.

INDUSTRY
Defense and Space Manufacturing
COMPANY
Public Company
HEADQUARTERS
Melbourne, Florida
SIZE
10,001+on LinkedIn
OFFICES
1 on LinkedIn
OPEN HERE
13 roles

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Questions about this role

Is this L3Harris Technologies role remote?
Tagged on site.
What does it pay?
The posting lists $92,500–$197,500 a year.
Does it sponsor visas?
Listed as no visa sponsorship.
What experience does it ask for?
Listed as 5-10 years.

The posting, in full

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 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.

▶ READ THE FULL POSTING

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.

#LI-RK2

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This listing comes from L3Harris Technologies's own careers site. Apply links go to the employer. Company facts are from L3Harris Technologies's public profile. Last checked 10 Nov 2026.