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Sr. Specialist, Information Security Systems Engineer

L3Harris Technologies

Sr. Specialist, Information Security Systems Engineer

full-timePosted: Jan 16, 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, Information Security Systems Engineering 

Job Code: 32614

Job Location: Melbourne/Palm Bay, Florida

Job Schedule: 9/80- employees work 9 out of 14 days- totaling 80 hours, and have every other Friday off

Job Description:

L3Harris Corporation is seeking a Information Security Systems Engineer (ISSE) Senior Specialist (Level 4) for the Melbourne/Palm Bay, Florida location. This is an opportunity to take on unique challenges, expand your skills and experience, and contribute to mission critical systems solutions that help protect the U.S.A. and our allies. You will join a great team of talented professionals who take a collaborative approach and enjoy working together.

Essential Functions:

  • Experience with process for NSA Type 1 approval of a crypto device:
    • Generate and support NSA Contract Data Requirements Lists (CDRLs) including reviews and guidance.
    • Demonstrate comprehensive knowledge of data flows (e.g., TCP/IP, OSI model), cyber security certification experience including NIST Risk Management Framework (RMF), NSA Type 1, and communications security experience (COMSEC, TRANSEC).
    • Experience with 2008-era IASRD/TSRD NSA processes and modern SERD 2.0/CDRD NSA processes.
  • Provide comprehensive knowledge of cyber offense and defense requirements, design, and implementation:
    • Offer inputs to technical security needs for non-security team members to facilitate cross-functional design activities.
    • Identify security risks, threats, and vulnerabilities of networks, systems, applications, and new technology initiatives (hardware, software, cross-domain solutions, cryptographic devices, firewalls, intrusion detection systems, anti-virus systems, and software deployment tools).
    • Apply familiarity with TEMPEST procedures and testing processes.
    • Possess strong understanding of engineering processes, concepts and information security systems engineering principles (NIST SP 800-160 Vol 1).
    • Evaluate, qualify, test, and deliver security architecture improvements, obsolescence replacement, compliance certification, and vulnerability response projects.

Required Qualifications:

  • 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.
  • Secret Clearance is required for this role on day 1. Security clearances may only be granted to U.S. citizens. Additionally, 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.
  • No Dual Citizens for this role.

Preferred Additional Skills:

  • Experience in configuration and use of cyber defense and vulnerability assessment tools such as ACAS and SCC.
  • Possess DoD 8570.01-M IAT Level 2 certification (e.g. CySA+, GICSP, GSEC, Security+CE, SSCP, or CCNA Security) and DoD 8570.01-M IASAE Level 2 certification (e.g. CASP+ CE or CISSP (or Associate)).
  • Experience in writing and managing RMF body of evidence documents (e.g., System Security Plan (SSP), Security Compliance Traceability Matrix (SCTM), Risk Assessment Report (RAR), Continuous Monitoring (ConMon) Plan, and Security Assessment Plans and Procedures (SAPP)).
  • Experience in the content development and administration of Security Information and Event Management (SIEM)/audit reduction tools (e.g., Splunk).
  • Experience with the application of Security Technical Implementation Guides (STIGs).

#LI-CS3

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

  • Melbourne, FL, United States

Salary

Estimated Salary Rangemedium confidence

95,000 - 155,000 USD / yearly

Source: AI Estimation

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

Skills Required

  • NSA Type 1 approval process for crypto devicesintermediate
  • Generate and support NSA CDRLsintermediate
  • Data flows (TCP/IP, OSI model)intermediate
  • Cyber security certification (NIST RMF, NSA Type 1, COMSEC, TRANSEC)intermediate
  • 2008-era IASRD/TSRD and modern SERD 2.0/CDRD NSA processesintermediate
  • Cyber offense and defense requirements, design, and implementationintermediate
  • TEMPEST procedures and testingintermediate
  • Engineering processes and information security systems engineering principles (NIST SP 800-160 Vol 1)intermediate
  • Configuration and use of cyber defense tools (ACAS, SCC)intermediate
  • RMF body of evidence documents (SSP, SCTM, RAR, ConMon Plan, SAPP)intermediate
  • SIEM/audit reduction tools (Splunk)intermediate
  • Security Technical Implementation Guides (STIGs)intermediate

Required Qualifications

  • Bachelor’s Degree and minimum 6 years prior relevant experience (experience)
  • Graduate Degree and minimum 4 years prior related experience (experience)
  • In lieu of degree, minimum 10 years prior related experience (experience)
  • Secret Clearance required on day 1 (experience)
  • U.S. citizen only, no dual citizens (experience)
  • DoD 8570.01-M IAT Level 2 (CySA+, GICSP, GSEC, Security+CE, SSCP, CCNA Security) (experience)
  • DoD 8570.01-M IASAE Level 2 (CASP+ CE, CISSP or Associate) (experience)

Responsibilities

  • Generate and support NSA Contract Data Requirements Lists (CDRLs) including reviews and guidance
  • Provide inputs to technical security needs for non-security team members
  • Identify security risks, threats, and vulnerabilities of networks, systems, applications, and new technology initiatives
  • Evaluate, qualify, test, and deliver security architecture improvements, obsolescence replacement, compliance certification, and vulnerability response projects

Benefits

  • general: 9/80 schedule (9 out of 14 days, 80 hours, every other Friday off)
  • general: Inclusive, engaging environment
  • general: Work-life success promotion
  • general: Focus on values, communities, and excellence

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L3Harris Technologies logo

Sr. Specialist, Information Security Systems Engineer

L3Harris Technologies

Sr. Specialist, Information Security Systems Engineer

full-timePosted: Jan 16, 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, Information Security Systems Engineering 

Job Code: 32614

Job Location: Melbourne/Palm Bay, Florida

Job Schedule: 9/80- employees work 9 out of 14 days- totaling 80 hours, and have every other Friday off

Job Description:

L3Harris Corporation is seeking a Information Security Systems Engineer (ISSE) Senior Specialist (Level 4) for the Melbourne/Palm Bay, Florida location. This is an opportunity to take on unique challenges, expand your skills and experience, and contribute to mission critical systems solutions that help protect the U.S.A. and our allies. You will join a great team of talented professionals who take a collaborative approach and enjoy working together.

Essential Functions:

  • Experience with process for NSA Type 1 approval of a crypto device:
    • Generate and support NSA Contract Data Requirements Lists (CDRLs) including reviews and guidance.
    • Demonstrate comprehensive knowledge of data flows (e.g., TCP/IP, OSI model), cyber security certification experience including NIST Risk Management Framework (RMF), NSA Type 1, and communications security experience (COMSEC, TRANSEC).
    • Experience with 2008-era IASRD/TSRD NSA processes and modern SERD 2.0/CDRD NSA processes.
  • Provide comprehensive knowledge of cyber offense and defense requirements, design, and implementation:
    • Offer inputs to technical security needs for non-security team members to facilitate cross-functional design activities.
    • Identify security risks, threats, and vulnerabilities of networks, systems, applications, and new technology initiatives (hardware, software, cross-domain solutions, cryptographic devices, firewalls, intrusion detection systems, anti-virus systems, and software deployment tools).
    • Apply familiarity with TEMPEST procedures and testing processes.
    • Possess strong understanding of engineering processes, concepts and information security systems engineering principles (NIST SP 800-160 Vol 1).
    • Evaluate, qualify, test, and deliver security architecture improvements, obsolescence replacement, compliance certification, and vulnerability response projects.

Required Qualifications:

  • 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.
  • Secret Clearance is required for this role on day 1. Security clearances may only be granted to U.S. citizens. Additionally, 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.
  • No Dual Citizens for this role.

Preferred Additional Skills:

  • Experience in configuration and use of cyber defense and vulnerability assessment tools such as ACAS and SCC.
  • Possess DoD 8570.01-M IAT Level 2 certification (e.g. CySA+, GICSP, GSEC, Security+CE, SSCP, or CCNA Security) and DoD 8570.01-M IASAE Level 2 certification (e.g. CASP+ CE or CISSP (or Associate)).
  • Experience in writing and managing RMF body of evidence documents (e.g., System Security Plan (SSP), Security Compliance Traceability Matrix (SCTM), Risk Assessment Report (RAR), Continuous Monitoring (ConMon) Plan, and Security Assessment Plans and Procedures (SAPP)).
  • Experience in the content development and administration of Security Information and Event Management (SIEM)/audit reduction tools (e.g., Splunk).
  • Experience with the application of Security Technical Implementation Guides (STIGs).

#LI-CS3

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

  • Melbourne, FL, United States

Salary

Estimated Salary Rangemedium confidence

95,000 - 155,000 USD / yearly

Source: AI Estimation

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

Skills Required

  • NSA Type 1 approval process for crypto devicesintermediate
  • Generate and support NSA CDRLsintermediate
  • Data flows (TCP/IP, OSI model)intermediate
  • Cyber security certification (NIST RMF, NSA Type 1, COMSEC, TRANSEC)intermediate
  • 2008-era IASRD/TSRD and modern SERD 2.0/CDRD NSA processesintermediate
  • Cyber offense and defense requirements, design, and implementationintermediate
  • TEMPEST procedures and testingintermediate
  • Engineering processes and information security systems engineering principles (NIST SP 800-160 Vol 1)intermediate
  • Configuration and use of cyber defense tools (ACAS, SCC)intermediate
  • RMF body of evidence documents (SSP, SCTM, RAR, ConMon Plan, SAPP)intermediate
  • SIEM/audit reduction tools (Splunk)intermediate
  • Security Technical Implementation Guides (STIGs)intermediate

Required Qualifications

  • Bachelor’s Degree and minimum 6 years prior relevant experience (experience)
  • Graduate Degree and minimum 4 years prior related experience (experience)
  • In lieu of degree, minimum 10 years prior related experience (experience)
  • Secret Clearance required on day 1 (experience)
  • U.S. citizen only, no dual citizens (experience)
  • DoD 8570.01-M IAT Level 2 (CySA+, GICSP, GSEC, Security+CE, SSCP, CCNA Security) (experience)
  • DoD 8570.01-M IASAE Level 2 (CASP+ CE, CISSP or Associate) (experience)

Responsibilities

  • Generate and support NSA Contract Data Requirements Lists (CDRLs) including reviews and guidance
  • Provide inputs to technical security needs for non-security team members
  • Identify security risks, threats, and vulnerabilities of networks, systems, applications, and new technology initiatives
  • Evaluate, qualify, test, and deliver security architecture improvements, obsolescence replacement, compliance certification, and vulnerability response projects

Benefits

  • general: 9/80 schedule (9 out of 14 days, 80 hours, every other Friday off)
  • general: Inclusive, engaging environment
  • general: Work-life success promotion
  • general: Focus on values, communities, and excellence

Target Your Resume for "Sr. Specialist, Information Security Systems Engineer" , L3Harris Technologies

Get personalized recommendations to optimize your resume specifically for Sr. Specialist, Information Security Systems Engineer. Takes only 15 seconds!

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

Check Your ATS Score for "Sr. Specialist, Information Security Systems Engineer" , 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 Sr. Specialist, Information Security Systems Engineer @ L3Harris Technologies.

10 Questions
~2 Minutes
Instant Score

Related Books and Jobs

No related jobs found at the moment.