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Sr. Spec, Systems Engineering (Mission Systems) 1

L3Harris Technologies

Sr. Spec, Systems Engineering (Mission Systems) 1

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 (ACES)

Job Code: 32390

Job Location: Greenville, TX (On-Site)

Job Schedule: 1st Shift 9/80

Job Description:

L3Harris is seeking a Sr. Systems Engineering Specialist – Mission Systems – Aircraft Capability Extension System (Aces) to join our Greenville, TX team.  This position is responsible for Requirements, Development Support, and Integration of ACES Remote Operator Workstation capabilities multiple platforms and programs. Responsible for issue investigation and resolution, submitting Bid and proposals, and documenting status and issues in Jira/Confluence.

Essential Functions:

  • Considerable Systems or Software Engineering experience as a Subject Matter Expert working with Operator Interfaces.
  • Comprehensive Knowledge to write capability/product requirement specifications.
  • Work with customers, system engineers and system architects to develop requirements.
  • Test and troubleshoot Operator Interfaces on various platforms and programs.
  • Communicate effectively both within and outside of the organization to include explaining requirements to software developers, customers, and vendors.
  • Knowledge of remote operations infrastructure/ROE.
  • Working independently in a team environment through an entire build cycle.
  • Understanding systems engineering life cycle.
  • Strong written and verbal communication skills.
  • Will use IBM Doors Requirements Management tool.
  • Well versed in JIRA/Confluence and agile process.
  • Experience using Power BI stats.
  • Other duties as assigned by Supervisor.

Qualifications:

  • Bachelor’s Degree with six (6) years of prior Hands-on experience with RC-135 Operator interfaces and/or Remote Operator interfaces.
  • Graduate Degree with four (4) years of prior Hands-on experience with RC-135 Operator interfaces and/or Remote Operator interfaces.
  • In lieu of a degree, a minimum of ten (10) years of prior Hands-on experience with RC-135 Operator interfaces and/or Remote Operator interfaces.
  • Must have an active Secret clearance at the time of hire with the ability to obtain and maintain a Top Secret with SCI.
  • Must be a U.S. 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

  • Systems Engineering experience as Subject Matter Expert with Operator Interfacesintermediate
  • Comprehensive knowledge to write capability/product requirement specificationsintermediate
  • Test and troubleshoot Operator Interfaces on various platformsintermediate
  • Knowledge of remote operations infrastructure/ROEintermediate
  • Understanding systems engineering life cycleintermediate
  • Strong written and verbal communication skillsintermediate
  • Use IBM Doors Requirements Management toolintermediate
  • Well versed in JIRA/Confluence and agile processintermediate
  • Experience using Power BI statsintermediate
  • Work independently in a team environment through entire build cycleintermediate

Required Qualifications

  • Bachelor’s Degree with six (6) years of prior Hands-on experience with RC-135 Operator interfaces and/or Remote Operator interfaces (experience)
  • Graduate Degree with four (4) years of prior Hands-on experience with RC-135 Operator interfaces and/or Remote Operator interfaces (experience)
  • In lieu of a degree, minimum of ten (10) years of prior Hands-on experience with RC-135 Operator interfaces and/or Remote Operator interfaces (experience)
  • Active Secret clearance at time of hire with ability to obtain and maintain Top Secret with SCI (experience)
  • U.S. Citizen (experience)

Responsibilities

  • Requirements, Development Support, and Integration of ACES Remote Operator Workstation capabilities multiple platforms and programs
  • Issue investigation and resolution
  • Submitting bids and proposals
  • Documenting status and issues in Jira/Confluence
  • Work with customers, system engineers and system architects to develop requirements
  • Communicate effectively within and outside organization explaining requirements to software developers, customers, and vendors

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L3Harris Technologies logo

Sr. Spec, Systems Engineering (Mission Systems) 1

L3Harris Technologies

Sr. Spec, Systems Engineering (Mission Systems) 1

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 (ACES)

Job Code: 32390

Job Location: Greenville, TX (On-Site)

Job Schedule: 1st Shift 9/80

Job Description:

L3Harris is seeking a Sr. Systems Engineering Specialist – Mission Systems – Aircraft Capability Extension System (Aces) to join our Greenville, TX team.  This position is responsible for Requirements, Development Support, and Integration of ACES Remote Operator Workstation capabilities multiple platforms and programs. Responsible for issue investigation and resolution, submitting Bid and proposals, and documenting status and issues in Jira/Confluence.

Essential Functions:

  • Considerable Systems or Software Engineering experience as a Subject Matter Expert working with Operator Interfaces.
  • Comprehensive Knowledge to write capability/product requirement specifications.
  • Work with customers, system engineers and system architects to develop requirements.
  • Test and troubleshoot Operator Interfaces on various platforms and programs.
  • Communicate effectively both within and outside of the organization to include explaining requirements to software developers, customers, and vendors.
  • Knowledge of remote operations infrastructure/ROE.
  • Working independently in a team environment through an entire build cycle.
  • Understanding systems engineering life cycle.
  • Strong written and verbal communication skills.
  • Will use IBM Doors Requirements Management tool.
  • Well versed in JIRA/Confluence and agile process.
  • Experience using Power BI stats.
  • Other duties as assigned by Supervisor.

Qualifications:

  • Bachelor’s Degree with six (6) years of prior Hands-on experience with RC-135 Operator interfaces and/or Remote Operator interfaces.
  • Graduate Degree with four (4) years of prior Hands-on experience with RC-135 Operator interfaces and/or Remote Operator interfaces.
  • In lieu of a degree, a minimum of ten (10) years of prior Hands-on experience with RC-135 Operator interfaces and/or Remote Operator interfaces.
  • Must have an active Secret clearance at the time of hire with the ability to obtain and maintain a Top Secret with SCI.
  • Must be a U.S. 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

  • Systems Engineering experience as Subject Matter Expert with Operator Interfacesintermediate
  • Comprehensive knowledge to write capability/product requirement specificationsintermediate
  • Test and troubleshoot Operator Interfaces on various platformsintermediate
  • Knowledge of remote operations infrastructure/ROEintermediate
  • Understanding systems engineering life cycleintermediate
  • Strong written and verbal communication skillsintermediate
  • Use IBM Doors Requirements Management toolintermediate
  • Well versed in JIRA/Confluence and agile processintermediate
  • Experience using Power BI statsintermediate
  • Work independently in a team environment through entire build cycleintermediate

Required Qualifications

  • Bachelor’s Degree with six (6) years of prior Hands-on experience with RC-135 Operator interfaces and/or Remote Operator interfaces (experience)
  • Graduate Degree with four (4) years of prior Hands-on experience with RC-135 Operator interfaces and/or Remote Operator interfaces (experience)
  • In lieu of a degree, minimum of ten (10) years of prior Hands-on experience with RC-135 Operator interfaces and/or Remote Operator interfaces (experience)
  • Active Secret clearance at time of hire with ability to obtain and maintain Top Secret with SCI (experience)
  • U.S. Citizen (experience)

Responsibilities

  • Requirements, Development Support, and Integration of ACES Remote Operator Workstation capabilities multiple platforms and programs
  • Issue investigation and resolution
  • Submitting bids and proposals
  • Documenting status and issues in Jira/Confluence
  • Work with customers, system engineers and system architects to develop requirements
  • Communicate effectively within and outside organization explaining requirements to software developers, customers, and vendors

Target Your Resume for "Sr. Spec, Systems Engineering (Mission Systems) 1" , L3Harris Technologies

Get personalized recommendations to optimize your resume specifically for Sr. Spec, Systems Engineering (Mission Systems) 1. Takes only 15 seconds!

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

Check Your ATS Score for "Sr. Spec, Systems Engineering (Mission Systems) 1" , 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. Spec, Systems Engineering (Mission Systems) 1 @ L3Harris Technologies.

10 Questions
~2 Minutes
Instant Score

Related Books and Jobs

No related jobs found at the moment.