Resume and JobRESUME AND JOB
L3Harris Technologies logo

Senior Specialist, Information Security Systems Engineer TS/SCI w/Poly - Palm Bay, FL

L3Harris Technologies

Engineering Jobs

Senior Specialist, Information Security Systems Engineer TS/SCI w/Poly - Palm Bay, 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:  30719

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, to achieve security authorization of supported systems. Represents program security needs, concerns and requirements at customer meetings.

Essential Functions: 

  • Apply advanced systems security engineering methods, practices, and technologies to the architecture, design, development, evaluation, and integration of secure systems and networks.
  • Collaborate closely with Government customers and internal staff to define, implement, and maintain security protection needs, concerns, and requirements throughout the system lifecycle, ensuring security authorization.
  • Design, implement, and manage security controls and configurations for both Linux and Windows systems, including system hardening, vulnerability assessments, and penetration testing.
  • Prepare and manage Certification and Accreditation documentation using RMF and derivative processes (e.g., DOD 8510, JSIG, ICD-503, CNSSI 1253) to achieve security authorization of supported systems.
  • Conduct Static Application Security Testing (SAST) for Application Security and Development STIG compliance, and navigate DoD software selection and approval processes for COTS, GOTS, and FOSS.
  • Configure and manage logging for Linux and Windows systems, ensuring relevant security events are captured and forwarded to Splunk servers for analysis and monitoring.
  • Monitor and analyze security logs and alerts from Splunk, investigating potential security incidents and taking appropriate actions to mitigate risks.
  • Experience with security tools such as IDS/IPS, vulnerability scanners, and endpoint protection solutions
  • Develop, document, and maintain security policies, procedures, and guidelines for system hardening, configuration management, and emerging security technologies.
  • Develop and implement incident plans and procedures to ensure that security incidents are responded to promptly and effectively.
  • Perform functional analysis, timeline analysis, detailed trade studies, requirements derivation and allocation, and interface definition studies.
  • Contribute to Information Security Engineering activities, including CDRLs, trade studies, security requirements analysis, secure architecture development, compliance with security controls, and security test/verification activities.
  • Identify security risks, threats, and vulnerabilities of networks, systems, applications, and new technology initiatives, and support security engineering activities such as basis of estimate development, design, test, configuration management, and maintenance of information systems and data.
  • Provide technical guidance, coaching, and training to other employees, and be able to act as an IA liaison across all engineering and security disciplines, ensuring integration of security controls into the system development lifecycle.
  • Develop and deliver security training and awareness programs that integrate latest security approaches and standards.
  • Work is 100% on-site and cannot be accomplished remotely.

Qualifications: 

  • Education 
    • Bachelor’s Degree and minimum 6 years of prior relevant experience, or 
    • Graduate Degree and a minimum of 4 years of prior related experience or 
    • In lieu of a degree, minimum of 10 years of prior related experience. 
  • Must possess a TS/SCI CI Poly.
  • Must be able to obtain and maintain a DOD 8140 certification (or NIST 800-181), appropriate for the position within 6-months of start.

Preferred Additional Skills: 

  • Recent (within 3 years) CI Poly.
  • Familiarity with emerging technologies such as cloud computing, containerization, and microservices, and their security implications (e.g. Understanding of security control inheritance in cloud-based systems.)

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

  • systems security engineering methodsintermediate
  • encryption technologyintermediate
  • vulnerability analysisintermediate
  • security managementintermediate
  • Linux and Windows systems hardeningintermediate
  • vulnerability assessmentsintermediate
  • penetration testingintermediate
  • Static Application Security Testing (SAST)intermediate
  • DoD software selection and approval processes (COTS, GOTS, FOSS)intermediate
  • logging configuration for Linux and Windowsintermediate
  • Splunk monitoring and analysisintermediate
  • IDS/IPSintermediate
  • vulnerability scannersintermediate
  • endpoint protection solutionsintermediate
  • incident response planningintermediate
  • functional analysisintermediate
  • timeline analysisintermediate
  • trade studiesintermediate
  • requirements derivation and allocationintermediate
  • interface definition studiesintermediate
  • security policies and procedures developmentintermediate
  • security training and awareness programsintermediate

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 degree, minimum 10 years of prior related experience (experience)
  • TS/SCI CI Poly (experience)
  • Obtain and maintain DOD 8140 certification (or NIST 800-181) within 6 months (experience)
  • Recent (within 3 years) CI Poly (preferred) (experience)
  • Familiarity with cloud computing, containerization, microservices security (preferred) (experience)

Responsibilities

  • Apply systems security engineering to architecture, design, development, evaluation, and integration of secure systems and networks
  • Collaborate with Government customers to define and implement security requirements throughout system lifecycle
  • Design, implement, and manage security controls for Linux and Windows systems
  • Prepare Certification and Accreditation documentation using RMF, DOD 8510, JSIG, ICD-503, CNSSI 1253
  • Conduct SAST for application security and STIG compliance
  • Configure and manage logging to Splunk
  • Monitor and analyze security logs and alerts from Splunk
  • Investigate and mitigate security incidents
  • Develop and maintain security policies, procedures, and guidelines
  • Develop and implement incident response plans
  • Perform functional analysis, trade studies, requirements derivation
  • Contribute to Information Security Engineering activities including CDRLs, security requirements analysis, secure architecture
  • Identify security risks, threats, vulnerabilities
  • Provide technical guidance, coaching, training to employees
  • Act as IA liaison across engineering and security disciplines
  • Develop and deliver security training programs
  • Represent program security needs at customer meetings

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

Get personalized recommendations to optimize your resume specifically for Senior Specialist, Information Security Systems Engineer TS/SCI w/Poly - Palm Bay, 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 w/Poly - Palm Bay, 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

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

Quiz Challenge
10 Questions
~2 Minutes
Instant Score

Related Books and Jobs

No related jobs found at the moment.

L3Harris Technologies logo

Senior Specialist, Information Security Systems Engineer TS/SCI w/Poly - Palm Bay, FL

L3Harris Technologies

Engineering Jobs

Senior Specialist, Information Security Systems Engineer TS/SCI w/Poly - Palm Bay, 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:  30719

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, to achieve security authorization of supported systems. Represents program security needs, concerns and requirements at customer meetings.

Essential Functions: 

  • Apply advanced systems security engineering methods, practices, and technologies to the architecture, design, development, evaluation, and integration of secure systems and networks.
  • Collaborate closely with Government customers and internal staff to define, implement, and maintain security protection needs, concerns, and requirements throughout the system lifecycle, ensuring security authorization.
  • Design, implement, and manage security controls and configurations for both Linux and Windows systems, including system hardening, vulnerability assessments, and penetration testing.
  • Prepare and manage Certification and Accreditation documentation using RMF and derivative processes (e.g., DOD 8510, JSIG, ICD-503, CNSSI 1253) to achieve security authorization of supported systems.
  • Conduct Static Application Security Testing (SAST) for Application Security and Development STIG compliance, and navigate DoD software selection and approval processes for COTS, GOTS, and FOSS.
  • Configure and manage logging for Linux and Windows systems, ensuring relevant security events are captured and forwarded to Splunk servers for analysis and monitoring.
  • Monitor and analyze security logs and alerts from Splunk, investigating potential security incidents and taking appropriate actions to mitigate risks.
  • Experience with security tools such as IDS/IPS, vulnerability scanners, and endpoint protection solutions
  • Develop, document, and maintain security policies, procedures, and guidelines for system hardening, configuration management, and emerging security technologies.
  • Develop and implement incident plans and procedures to ensure that security incidents are responded to promptly and effectively.
  • Perform functional analysis, timeline analysis, detailed trade studies, requirements derivation and allocation, and interface definition studies.
  • Contribute to Information Security Engineering activities, including CDRLs, trade studies, security requirements analysis, secure architecture development, compliance with security controls, and security test/verification activities.
  • Identify security risks, threats, and vulnerabilities of networks, systems, applications, and new technology initiatives, and support security engineering activities such as basis of estimate development, design, test, configuration management, and maintenance of information systems and data.
  • Provide technical guidance, coaching, and training to other employees, and be able to act as an IA liaison across all engineering and security disciplines, ensuring integration of security controls into the system development lifecycle.
  • Develop and deliver security training and awareness programs that integrate latest security approaches and standards.
  • Work is 100% on-site and cannot be accomplished remotely.

Qualifications: 

  • Education 
    • Bachelor’s Degree and minimum 6 years of prior relevant experience, or 
    • Graduate Degree and a minimum of 4 years of prior related experience or 
    • In lieu of a degree, minimum of 10 years of prior related experience. 
  • Must possess a TS/SCI CI Poly.
  • Must be able to obtain and maintain a DOD 8140 certification (or NIST 800-181), appropriate for the position within 6-months of start.

Preferred Additional Skills: 

  • Recent (within 3 years) CI Poly.
  • Familiarity with emerging technologies such as cloud computing, containerization, and microservices, and their security implications (e.g. Understanding of security control inheritance in cloud-based systems.)

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

  • systems security engineering methodsintermediate
  • encryption technologyintermediate
  • vulnerability analysisintermediate
  • security managementintermediate
  • Linux and Windows systems hardeningintermediate
  • vulnerability assessmentsintermediate
  • penetration testingintermediate
  • Static Application Security Testing (SAST)intermediate
  • DoD software selection and approval processes (COTS, GOTS, FOSS)intermediate
  • logging configuration for Linux and Windowsintermediate
  • Splunk monitoring and analysisintermediate
  • IDS/IPSintermediate
  • vulnerability scannersintermediate
  • endpoint protection solutionsintermediate
  • incident response planningintermediate
  • functional analysisintermediate
  • timeline analysisintermediate
  • trade studiesintermediate
  • requirements derivation and allocationintermediate
  • interface definition studiesintermediate
  • security policies and procedures developmentintermediate
  • security training and awareness programsintermediate

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 degree, minimum 10 years of prior related experience (experience)
  • TS/SCI CI Poly (experience)
  • Obtain and maintain DOD 8140 certification (or NIST 800-181) within 6 months (experience)
  • Recent (within 3 years) CI Poly (preferred) (experience)
  • Familiarity with cloud computing, containerization, microservices security (preferred) (experience)

Responsibilities

  • Apply systems security engineering to architecture, design, development, evaluation, and integration of secure systems and networks
  • Collaborate with Government customers to define and implement security requirements throughout system lifecycle
  • Design, implement, and manage security controls for Linux and Windows systems
  • Prepare Certification and Accreditation documentation using RMF, DOD 8510, JSIG, ICD-503, CNSSI 1253
  • Conduct SAST for application security and STIG compliance
  • Configure and manage logging to Splunk
  • Monitor and analyze security logs and alerts from Splunk
  • Investigate and mitigate security incidents
  • Develop and maintain security policies, procedures, and guidelines
  • Develop and implement incident response plans
  • Perform functional analysis, trade studies, requirements derivation
  • Contribute to Information Security Engineering activities including CDRLs, security requirements analysis, secure architecture
  • Identify security risks, threats, vulnerabilities
  • Provide technical guidance, coaching, training to employees
  • Act as IA liaison across engineering and security disciplines
  • Develop and deliver security training programs
  • Represent program security needs at customer meetings

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

Get personalized recommendations to optimize your resume specifically for Senior Specialist, Information Security Systems Engineer TS/SCI w/Poly - Palm Bay, 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 w/Poly - Palm Bay, 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

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

Quiz Challenge
10 Questions
~2 Minutes
Instant Score

Related Books and Jobs

No related jobs found at the moment.