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Senior Specialist, Information Security Systems Engineer TS/SCI - FL

L3Harris Technologies

Senior Specialist, Information Security Systems Engineer TS/SCI - FL

full-timePosted: Jan 15, 2026

Job Description

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 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.

Job Title:  Senior Specialist, Info Security Sys Engineering

Job Code:  30351

Job Location:  Palm Bay, FL

Job Schedule: 9/80

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 system 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 derivitive processes (DOD 8510, JSIG, ICD-503, CNSSI 1253), to achieve security authorization of supported systems. Represents program security needs, concerns and requirements at customer meetings.  

Essential Functions: 

  • Experience in Static Application Security Testing (SAST) for Application Security and Development STIG compliance using tools such as Fortify and Gitlab as part of a DevSecOps Continuous Integration/Continuous Deployment (CI/CD) Pipeline, and generation of summary reports. 
  • Experience in 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. 
  • Understanding of security control inheritance in terms of IaaS, PaaS and SaaS relationships. 
  • Experience with A&A package processing in eMASS and Xacta. 
  • Experience in DoD software selection and approval processes for COTS, GOTS and FOSS. 
  • Experience in the application of DISA SRGs and STIGs. 
  • 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 vulnerability assessment activities as required. 
  • Support the evaluation, qualification, testing and delivery of security architecture improvement, obsolescence replacement and vulnerability response projects. 
  • Experience in configuration and use of cyber defense and vulnerability assessment tools such as ACAS and SCC.
  • This position is performed 100% onsite and cannot be performed remotely. 

Qualifications: 

  • Education
    • 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.
  • Must have active TS/SCI security clearance
  • DoD 8140.03 IAT Level 3 certification

Preferred Additional Skills: 

  • Familiarity with Model Based System Engineering (UML, SysML, UAF). 
  • Moderate understanding of vulnerability analysis tools such Tenable NESSUS Security products. 
  • Experience in the content development and administration of SEIM/audit reduction tools (e.g., Splunk). 
  • Active TS/SCI with CI poly is highly desired

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.

L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish. For information regarding your Right To Work, please click here for English or Spanish.

Locations

  • Palm Bay, FL, United States

Salary

Estimated Salary Rangemedium confidence

130,000 - 195,000 USD / yearly

Source: AI Estimation

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • Static Application Security Testing (SAST) for Application Security and Development STIG compliance using tools such as Fortify and Gitlab as part of a DevSecOps CI/CD Pipelineintermediate
  • Risk Management Framework (RMF) accreditation and authorization (A&A) processes including RMF steps 1-4 and BoE package developmentintermediate
  • Security control inheritance in IaaS, PaaS and SaaS relationshipsintermediate
  • A&A package processing in eMASS and Xactaintermediate
  • DoD software selection and approval processes for COTS, GOTS and FOSSintermediate
  • Application of DISA SRGs and STIGsintermediate
  • Configuration and use of cyber defense and vulnerability assessment tools such as ACAS and SCCintermediate
  • Vulnerability assessment activitiesintermediate
  • Model Based System Engineering (UML, SysML, UAF)intermediate
  • Vulnerability analysis tools such as Tenable NESSUSintermediate
  • SEIM/audit reduction tools (e.g., Splunk)intermediate

Required Qualifications

  • Bachelor’s Degree and minimum 6 years of prior relevant experience (experience)
  • Graduate Degree and minimum 4 years of prior related experience (experience)
  • In lieu of a degree, minimum of 10 years of prior related experience (experience)
  • Active TS/SCI security clearance (experience)
  • DoD 8140.03 IAT Level 3 certification (experience)
  • Active TS/SCI with CI poly (preferred) (experience)

Responsibilities

  • Applies current systems security engineering methods to architecture, design, development, evaluation and integration of systems and networks
  • Works closely with Government customers to define and implement security protection needs throughout system life cycle
  • Works with systems developers or vendors in design and evaluation of secure systems, networks, and database products
  • Uses methods such as encryption technology, vulnerability analysis and security management
  • Integrates multiple methods into a cohesive system security perimeter and environment
  • Prepares Certification and Accreditation documentation using RMF and derivative processes (DOD 8510, JSIG, ICD-503, CNSSI 1253)
  • Represents program security needs at customer meetings
  • Supports security engineering activities including basis of estimate development, requirements development, design, test, configuration management and maintenance
  • Assists in development of policies and procedures for emerging security technologies
  • Supports evaluation, qualification, testing and delivery of security architecture improvement projects

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L3Harris Technologies logo

Senior Specialist, Information Security Systems Engineer TS/SCI - FL

L3Harris Technologies

Senior Specialist, Information Security Systems Engineer TS/SCI - FL

full-timePosted: Jan 15, 2026

Job Description

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 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.

Job Title:  Senior Specialist, Info Security Sys Engineering

Job Code:  30351

Job Location:  Palm Bay, FL

Job Schedule: 9/80

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 system 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 derivitive processes (DOD 8510, JSIG, ICD-503, CNSSI 1253), to achieve security authorization of supported systems. Represents program security needs, concerns and requirements at customer meetings.  

Essential Functions: 

  • Experience in Static Application Security Testing (SAST) for Application Security and Development STIG compliance using tools such as Fortify and Gitlab as part of a DevSecOps Continuous Integration/Continuous Deployment (CI/CD) Pipeline, and generation of summary reports. 
  • Experience in 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. 
  • Understanding of security control inheritance in terms of IaaS, PaaS and SaaS relationships. 
  • Experience with A&A package processing in eMASS and Xacta. 
  • Experience in DoD software selection and approval processes for COTS, GOTS and FOSS. 
  • Experience in the application of DISA SRGs and STIGs. 
  • 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 vulnerability assessment activities as required. 
  • Support the evaluation, qualification, testing and delivery of security architecture improvement, obsolescence replacement and vulnerability response projects. 
  • Experience in configuration and use of cyber defense and vulnerability assessment tools such as ACAS and SCC.
  • This position is performed 100% onsite and cannot be performed remotely. 

Qualifications: 

  • Education
    • 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.
  • Must have active TS/SCI security clearance
  • DoD 8140.03 IAT Level 3 certification

Preferred Additional Skills: 

  • Familiarity with Model Based System Engineering (UML, SysML, UAF). 
  • Moderate understanding of vulnerability analysis tools such Tenable NESSUS Security products. 
  • Experience in the content development and administration of SEIM/audit reduction tools (e.g., Splunk). 
  • Active TS/SCI with CI poly is highly desired

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.

L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish. For information regarding your Right To Work, please click here for English or Spanish.

Locations

  • Palm Bay, FL, United States

Salary

Estimated Salary Rangemedium confidence

130,000 - 195,000 USD / yearly

Source: AI Estimation

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • Static Application Security Testing (SAST) for Application Security and Development STIG compliance using tools such as Fortify and Gitlab as part of a DevSecOps CI/CD Pipelineintermediate
  • Risk Management Framework (RMF) accreditation and authorization (A&A) processes including RMF steps 1-4 and BoE package developmentintermediate
  • Security control inheritance in IaaS, PaaS and SaaS relationshipsintermediate
  • A&A package processing in eMASS and Xactaintermediate
  • DoD software selection and approval processes for COTS, GOTS and FOSSintermediate
  • Application of DISA SRGs and STIGsintermediate
  • Configuration and use of cyber defense and vulnerability assessment tools such as ACAS and SCCintermediate
  • Vulnerability assessment activitiesintermediate
  • Model Based System Engineering (UML, SysML, UAF)intermediate
  • Vulnerability analysis tools such as Tenable NESSUSintermediate
  • SEIM/audit reduction tools (e.g., Splunk)intermediate

Required Qualifications

  • Bachelor’s Degree and minimum 6 years of prior relevant experience (experience)
  • Graduate Degree and minimum 4 years of prior related experience (experience)
  • In lieu of a degree, minimum of 10 years of prior related experience (experience)
  • Active TS/SCI security clearance (experience)
  • DoD 8140.03 IAT Level 3 certification (experience)
  • Active TS/SCI with CI poly (preferred) (experience)

Responsibilities

  • Applies current systems security engineering methods to architecture, design, development, evaluation and integration of systems and networks
  • Works closely with Government customers to define and implement security protection needs throughout system life cycle
  • Works with systems developers or vendors in design and evaluation of secure systems, networks, and database products
  • Uses methods such as encryption technology, vulnerability analysis and security management
  • Integrates multiple methods into a cohesive system security perimeter and environment
  • Prepares Certification and Accreditation documentation using RMF and derivative processes (DOD 8510, JSIG, ICD-503, CNSSI 1253)
  • Represents program security needs at customer meetings
  • Supports security engineering activities including basis of estimate development, requirements development, design, test, configuration management and maintenance
  • Assists in development of policies and procedures for emerging security technologies
  • Supports evaluation, qualification, testing and delivery of security architecture improvement projects

Target Your Resume for "Senior Specialist, Information Security Systems Engineer TS/SCI - FL" , L3Harris Technologies

Get personalized recommendations to optimize your resume specifically for Senior Specialist, Information Security Systems Engineer TS/SCI - FL. Takes only 15 seconds!

AI-powered keyword optimization
Skills matching & gap analysis
Experience alignment suggestions

Check Your ATS Score for "Senior Specialist, Information Security Systems Engineer TS/SCI - FL" , L3Harris Technologies

Find out how well your resume matches this job's requirements. Get comprehensive analysis including ATS compatibility, keyword matching, skill gaps, and personalized recommendations.

ATS compatibility check
Keyword optimization analysis
Skill matching & gap identification
Format & readability score
Quiz Challenge

Answer 10 quick questions to check your fit for Senior Specialist, Information Security Systems Engineer TS/SCI - FL @ L3Harris Technologies.

10 Questions
~2 Minutes
Instant Score

Related Books and Jobs

No related jobs found at the moment.