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Sr. Specialist, Systems Engineer

L3Harris Technologies

Sr. Specialist, 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: Sr. Specialist, Systems Engineer

Job Code: 32893

Job Location: Greenville, TX (On-Site)

Job Schedule: 1st Shift 9/80

Job Description:

The Sr. Specialist, Systems engineer (SE) will be responsible for performing data analysis in tactical data link acquisition and processing systems. The SE will be accountable for technical and troubleshooting to investigate and solve tactical communication system performance issues including operational environment impacts. SE's will complete all required administrative actions for the maintenance of SCIF within the bounds of ICD 705. The selected candidate will be recognized as an internal expert and thought leader in area of expertise with broad experience across multiple job areas. 

Essential Functions:

  • Responsible for generation and review of technical papers, calculations, and briefings. 
  • Preparing and presenting technical briefs to internal management teams.
  • Works under consultative direction against annual goals to manage large, complex project initiatives of strategic importance to the organization.
  • Cognizant of security space regulations and SCIF operations.
  • Manages complex projects or processes with general oversight.
  • Communicates within and outside of own function to gain cooperation on operational processes, practices, and procedures.
  • Responsible for establishing educational and training goals for area of expertise and ensuring those goals are achieved.
  • Experience in troubleshooting, building, and analyzing, Data Link (e.g. Link16, CMF, etc.) messages or other communication systems in single.
  • Able to read, interpret, create, and maintain spreadsheets, charts, reports, investigation and test plans, and procedures.
  • Knowledge of systems engineering concepts, practices, and procedures.
  • Working knowledge of Mil-Standards 6018, 6016 and 6020.
  • Writing systems and software requirements using an application such as DOORS.
  • Building test cases to assess software and system operation against requirements, writing defect reports, and assessing corrections.
  • Familiar with WCDMA (Wideband Code Division Multiple Access) technology, MOUS satellite communications system technology, tactical data links, PRC-117 and JTT-SR radio.
  • Ability to work in an environment where priorities can change without advance notice.
  • Physical requirements: Some lifting in a Systems Integration Lab (SIL) environment.
  • Excellent communication will be required both verbally and written.
  • Will work both independently and within a team environment.
  • Proficiency in Microsoft Office products (Word, Excel, et al) is required to generate work products.
  • Able to obtain Security+ Certification.
  • Additional duties as assigned by supervisor.

Qualifications:

  • Bachelor’s degree with six (6) years of RF, Systems (Test, integration/requirements writing), tactical data link, and technical writing experience.
  • Graduate degree with four (4) years of RF, Systems (Test, integration/requirements writing), tactical data link, and technical writing experience.
  • In Lieu of a degree, a minimum of eight (8) years of RF, Systems (Test, integration/requirements writing), tactical data link, and technical writing experience.
  • Must have an active Secret Clearance at the time of hire with the ability to obtain and maintain a DOD Top Secret (TS/SCI) Security Clearance.
  • Must be a US Citizen.

Preferred Additional Skills:

  • Active Top Secret with SCI.
  • Security+ Certification.

#LI-AH1

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

  • Greenville, TX, 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

  • data analysis in tactical data link acquisition and processing systemsintermediate
  • technical troubleshooting for tactical communication systemsintermediate
  • SCIF maintenance per ICD 705intermediate
  • generation and review of technical papers, calculations, and briefingsintermediate
  • preparing and presenting technical briefsintermediate
  • managing complex projects or processesintermediate
  • communicating across functionsintermediate
  • establishing educational and training goalsintermediate
  • troubleshooting, building, and analyzing Data Link messages (e.g., Link16, CMF)intermediate
  • reading, interpreting, creating, and maintaining spreadsheets, charts, reports, investigation and test plans, proceduresintermediate
  • knowledge of systems engineering concepts, practices, and proceduresintermediate
  • working knowledge of Mil-Standards 6018, 6016, and 6020intermediate
  • writing systems and software requirements using DOORSintermediate
  • building test cases, writing defect reports, assessing correctionsintermediate
  • familiarity with WCDMA technology, MOUS satellite communications, tactical data links, PRC-117 and JTT-SR radiointermediate
  • proficiency in Microsoft Office products (Word, Excel)intermediate
  • excellent verbal and written communicationintermediate
  • ability to work independently and in a teamintermediate
  • ability to work in changing priority environmentintermediate
  • some lifting in Systems Integration Lab (SIL)intermediate

Required Qualifications

  • Bachelor’s degree with six (6) years of RF, Systems (Test, integration/requirements writing), tactical data link, and technical writing experience (experience)
  • Graduate degree with four (4) years of RF, Systems (Test, integration/requirements writing), tactical data link, and technical writing experience (experience)
  • In lieu of degree, minimum of eight (8) years of RF, Systems (Test, integration/requirements writing), tactical data link, and technical writing experience (experience)
  • Active Secret Clearance at time of hire with ability to obtain and maintain DOD Top Secret (TS/SCI) (experience)
  • US Citizen (experience)
  • Able to obtain Security+ Certification (experience)

Responsibilities

  • performing data analysis in tactical data link acquisition and processing systems
  • technical and troubleshooting to investigate and solve tactical communication system performance issues including operational environment impacts
  • complete all required administrative actions for maintenance of SCIF within bounds of ICD 705
  • manage large, complex project initiatives of strategic importance
  • cognizant of security space regulations and SCIF operations
  • additional duties as assigned by supervisor

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L3Harris Technologies logo

Sr. Specialist, Systems Engineer

L3Harris Technologies

Sr. Specialist, 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: Sr. Specialist, Systems Engineer

Job Code: 32893

Job Location: Greenville, TX (On-Site)

Job Schedule: 1st Shift 9/80

Job Description:

The Sr. Specialist, Systems engineer (SE) will be responsible for performing data analysis in tactical data link acquisition and processing systems. The SE will be accountable for technical and troubleshooting to investigate and solve tactical communication system performance issues including operational environment impacts. SE's will complete all required administrative actions for the maintenance of SCIF within the bounds of ICD 705. The selected candidate will be recognized as an internal expert and thought leader in area of expertise with broad experience across multiple job areas. 

Essential Functions:

  • Responsible for generation and review of technical papers, calculations, and briefings. 
  • Preparing and presenting technical briefs to internal management teams.
  • Works under consultative direction against annual goals to manage large, complex project initiatives of strategic importance to the organization.
  • Cognizant of security space regulations and SCIF operations.
  • Manages complex projects or processes with general oversight.
  • Communicates within and outside of own function to gain cooperation on operational processes, practices, and procedures.
  • Responsible for establishing educational and training goals for area of expertise and ensuring those goals are achieved.
  • Experience in troubleshooting, building, and analyzing, Data Link (e.g. Link16, CMF, etc.) messages or other communication systems in single.
  • Able to read, interpret, create, and maintain spreadsheets, charts, reports, investigation and test plans, and procedures.
  • Knowledge of systems engineering concepts, practices, and procedures.
  • Working knowledge of Mil-Standards 6018, 6016 and 6020.
  • Writing systems and software requirements using an application such as DOORS.
  • Building test cases to assess software and system operation against requirements, writing defect reports, and assessing corrections.
  • Familiar with WCDMA (Wideband Code Division Multiple Access) technology, MOUS satellite communications system technology, tactical data links, PRC-117 and JTT-SR radio.
  • Ability to work in an environment where priorities can change without advance notice.
  • Physical requirements: Some lifting in a Systems Integration Lab (SIL) environment.
  • Excellent communication will be required both verbally and written.
  • Will work both independently and within a team environment.
  • Proficiency in Microsoft Office products (Word, Excel, et al) is required to generate work products.
  • Able to obtain Security+ Certification.
  • Additional duties as assigned by supervisor.

Qualifications:

  • Bachelor’s degree with six (6) years of RF, Systems (Test, integration/requirements writing), tactical data link, and technical writing experience.
  • Graduate degree with four (4) years of RF, Systems (Test, integration/requirements writing), tactical data link, and technical writing experience.
  • In Lieu of a degree, a minimum of eight (8) years of RF, Systems (Test, integration/requirements writing), tactical data link, and technical writing experience.
  • Must have an active Secret Clearance at the time of hire with the ability to obtain and maintain a DOD Top Secret (TS/SCI) Security Clearance.
  • Must be a US Citizen.

Preferred Additional Skills:

  • Active Top Secret with SCI.
  • Security+ Certification.

#LI-AH1

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

  • Greenville, TX, 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

  • data analysis in tactical data link acquisition and processing systemsintermediate
  • technical troubleshooting for tactical communication systemsintermediate
  • SCIF maintenance per ICD 705intermediate
  • generation and review of technical papers, calculations, and briefingsintermediate
  • preparing and presenting technical briefsintermediate
  • managing complex projects or processesintermediate
  • communicating across functionsintermediate
  • establishing educational and training goalsintermediate
  • troubleshooting, building, and analyzing Data Link messages (e.g., Link16, CMF)intermediate
  • reading, interpreting, creating, and maintaining spreadsheets, charts, reports, investigation and test plans, proceduresintermediate
  • knowledge of systems engineering concepts, practices, and proceduresintermediate
  • working knowledge of Mil-Standards 6018, 6016, and 6020intermediate
  • writing systems and software requirements using DOORSintermediate
  • building test cases, writing defect reports, assessing correctionsintermediate
  • familiarity with WCDMA technology, MOUS satellite communications, tactical data links, PRC-117 and JTT-SR radiointermediate
  • proficiency in Microsoft Office products (Word, Excel)intermediate
  • excellent verbal and written communicationintermediate
  • ability to work independently and in a teamintermediate
  • ability to work in changing priority environmentintermediate
  • some lifting in Systems Integration Lab (SIL)intermediate

Required Qualifications

  • Bachelor’s degree with six (6) years of RF, Systems (Test, integration/requirements writing), tactical data link, and technical writing experience (experience)
  • Graduate degree with four (4) years of RF, Systems (Test, integration/requirements writing), tactical data link, and technical writing experience (experience)
  • In lieu of degree, minimum of eight (8) years of RF, Systems (Test, integration/requirements writing), tactical data link, and technical writing experience (experience)
  • Active Secret Clearance at time of hire with ability to obtain and maintain DOD Top Secret (TS/SCI) (experience)
  • US Citizen (experience)
  • Able to obtain Security+ Certification (experience)

Responsibilities

  • performing data analysis in tactical data link acquisition and processing systems
  • technical and troubleshooting to investigate and solve tactical communication system performance issues including operational environment impacts
  • complete all required administrative actions for maintenance of SCIF within bounds of ICD 705
  • manage large, complex project initiatives of strategic importance
  • cognizant of security space regulations and SCIF operations
  • additional duties as assigned by supervisor

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

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

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

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

10 Questions
~2 Minutes
Instant Score

Related Books and Jobs

No related jobs found at the moment.