Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Senior Specialist, Mechanical Engineer

L3Harris Technologies

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 is the Trusted Disruptor in defense tech. 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, Mechanical Engineer

Job Code: 44022

Job Location: Rockwall, TX

Job Schedule: 9/80 - Employees work 9 out of every 14 days - totaling 80 hours worked (Every Other Friday Off) 

Job Description:

L3Harris is seeking a Sr. Specialist, Mechanical Engineer that is responsible for designing the mechanical packaging of ultrawideband antenna and electronically scanned array (ESA) systems across various lifecycle phases for our Advanced Aperture Solutions (AAS) group. The Sr. Specialist, Mechanical Engineer

will be part of a multi-disciplined engineering team working on diverse antenna development and production projects. As a Sr. Specialist, Mechanical Engineer, you will be responsible for the design of detailed parts, assemblies, configuration management, environmental testing, and installations for various structures. The role is for an individual who is open to additional learning and would relish the opportunity to immerse themselves in both project work and research and development activities.

The Advanced Aperture Solutions (AAS) group is quick reaction capability (QRC) aperture solutions business based in Rockwall, TX. AAS is responsible for the design and development of high-gain antenna systems for military airborne, maritime, and ground platforms. Our team has state-of-the-art design tools validated with real hardware prototypes including CST Design Studio Antenna Modeling Software, SolidWorks, Circuit Board design software, MATLAB software, SolidWorks software, and a PCB Laser that produces multiple same-day iterations of antenna designs. We ultimately provide critical ISR capabilities to fight and win in the SIGINT operating environment.

Essential Functions:

  • Responsible for research, preparation of engineering drawings, and coordination of design activities with Engineering and Production to ensure that designs meet manufacturability requirements.
  • Understand complex antenna and phased array systems.
  • Assess and report on mechanical project status, risks, and issues.
  • Guide engineering team on mechanical best practices to ensure designs meet customer requirements.
  • Designs will be accomplished using world-class, three-dimensional solid modeling CAD tools and work will be accomplished with senior-level design engineers.
  • Assist the team with interfacing with customers on technical matters, ensuring satisfaction and business growth.

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.

Preferred Additional Skills:

  • Familiarity with configuration management tools such as Agile PDM and SolidWorks PDM.
  • Experience with antenna simulation, analysis, and packaging tools including CST and SolidWorks.
  • Phased array assembly design experience preferred.
  • Metallic and non-metallic 3-D printing experience preferred.
  • Experience with sinuous and spiral antenna cavity designs.
  • Experience with aircraft integration assembly design.
  • An understanding of programming languages (MATLAB, C/C++, LabVIEW, Qt, Python).
  • Experience with wiring/block diagrams, mechanical drawings, and PCB schematic/layout drawings.
  • Ability to work both independently and within a team environment.

LI-ZB2

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

Vacancy posted 16 hours ago
Similar jobs that could be interesting for youBased on the Senior Specialist, Mechanical Engineer in Crandall, TX vacancy
  •  ...interest of national security. Job Title: Senior Technical Training - Avionics Instructor...  ...week Job Description: The Senior Specialist, Avionics Instructor is responsible for...  ...mission systems. ~ Collaborate with engineering teams, relevant team members, and... 
    Senior
    Local area

    L3Harris Technologies

    Terrell, TX
    16 hours ago
  • Methodist Health System is seeking an ECMO Specialist to provide advanced support for critically ill patients requiring extracorporeal life support. In this role, you will manage ECMO circuits, monitor hemodynamics and gas exchange, adjust settings under physician direction... 
    Suggested

    Methodist Health System

    Seagoville, TX
    2 days ago
  •  ...in the interest of national security. Job Title: Sr. Specialist, Mechanical Engineer (Design) Job Code: 38730 Job Location: Plano, TX...  ...solid modeling CAD tools and work will be accomplished with senior-level design engineers. Mechanical design engineers can... 
    Senior
    Work at office
    Local area
    Day shift

    L3Harris Technologies

    Balch Springs, TX
    3 days ago
  •  ...Delivery SpecialistThe Delivery Specialist will maintain and operate store vehicles to deliver parts and/or products to professional customers in a safe and efficient manner. This position will also collect money on C.O.D. deliveries and pick up customer returns.Bilingual... 
    Suggested
    Local area
    Immediate start
    Flexible hours

    O'Reilly Auto Parts

    Seagoville, TX
    3 days ago
  •  ...Job PostingThe Parts Specialist will provide all retail and installer customers with a high level of service. This position will also support store management in the accomplishment of assigned tasks. Bilingual candidates encouraged to apply.Essential Job FunctionsFollow... 
    Suggested
    Local area
    Flexible hours

    O'Reilly Auto Parts

    Seagoville, TX
    5 days ago
  •  ...Events Specialist CROSSMARK is in search of Event Specialists in your area! As an Event Specialist, your responsibilities would include: practicing suggestive selling to drive sales for a particular product, excellent customer service, and in-store cooking demonstrations... 
    Weekly pay
    Extra income
    Permanent employment
    Part time
    Flexible hours
    Shift work
    Weekend work

    CROSSMARK

    Crandall, TX
    3 days ago
  • Excel Fitness in Seagoville, TX is seeking a team-oriented individual to maintain a clean, safe, and welcoming club environment. You will perform cleaning tasks, assist members, input data into tablets and POS, and help with promotions and daily operations. The role requires...

    Excel Fitness

    Seagoville, TX
    3 days ago
  •  ...Hours of Work : 12 Days Of Week : 1 Work Shift : Job Description : Job Purpose ~ The ECMO specialist participates in the development of a treatment plan, involving assessment, planning, implementation, and education. Communicates with the ECMO physician and... 
    Work experience placement
    Shift work

    Methodist Health System

    Seagoville, TX
    2 days ago
  • None
    Full time

    Methodist Health System

    Seagoville, TX
    2 days ago
  •  ...Behavior Specialist Provide special education students who present with behavioral learning activities and experiences designed to help them fulfill their potential for intellectual, emotional, physical and social growth. Develop or modify curricula and prepare lessons... 

    Terrell ISD

    Terrell, TX
    2 days ago
  •  ...Information Job ID ATR65551 Posting Job Title EHS Specialist Locations TX Forney Coated Products Employment Type...  ...Safety Management, Occupational Safety and Health or Safety Engineering.Experience in Safety/Health Compliance, Leading Culture Change... 
    Hourly pay
    Full time
    Work at office
    Local area
    Relocation package
    Weekend work

    Smurfit Westrock

    Forney, TX
    5 days ago
  •  ...The Parts Specialist will provide all retail and installer customers with a high level of service. This position will also support store management in the accomplishment of assigned tasks. ​ Bilingual candidates encouraged to apply. ESSENTIAL JOB FUNCTIONS... 
    Local area
    Flexible hours

    O'Reilly Auto Parts

    Terrell, TX
    5 days ago
  •  ...Asset Protection Specialist | Home DepotPosition Purpose:The Asset Protection Specialist is primarily responsible for preventing financial loss caused by theft and fraud and supporting safety and environmental program compliance in their assigned store/multiple stores... 

    Home Depot

    Balch Springs, TX
    3 days ago
  • Zoom Air in Balch Springs, TX is seeking a seasoned HVAC professional to provide expert knowledge and solutions to commercial customers, aligned with company standards. The role emphasizes thorough experience with air cooled chillers, clean driving record, and ability to...
    Senior

    Zoom Air

    Balch Springs, TX
    2 days ago
  •  ...Delivery SpecialistThe Delivery Specialist will maintain and operate store vehicles to deliver parts and/or products to professional customers in a safe and efficient manner. This position will also collect money on C.O.D. deliveries and pick up customer returns.Bilingual... 
    Local area
    Immediate start
    Flexible hours

    O'Reilly Auto Parts

    Kaufman, TX
    5 days ago
  •  ...Position Title: Senior Electrical Engineer - Healthcare Level: Senior Job Location: Dallas, TX 75206 Position Type: Full Time Description This is a hybrid position that requires 2 days per week in office. We are looking for a Senior Electrical... 
    Senior
    Full time
    Contract work
    Work at office
    Local area
    Work from home
    Flexible hours
    2 days per week

    TLC Engineering for Architecture

    Crandall, TX
    2 days ago
  •  ...Events Specialist CROSSMARK is a leading sales and marketing services company in the consumer goods industry that expertly guides our clients along "The Way to Market" by delivering growth solutions with exceptional service. Our expertise spans the grocery, mass, club... 
    Weekly pay
    Extra income
    Permanent employment
    Part time
    Worldwide
    Shift work
    Weekend work

    CROSSMARK

    Forney, TX
    3 days ago
  • $85k - $100k

     ...Job Description Job Description Job Title: Senior Manufacturing Engineer Industry: Advanced Manufacturing / Renewable Energy Location...  ...: Bachelor's degree in Manufacturing Engineering, Mechanical Engineering, Electrical Engineering, or a related field (... 
    Senior
    Immediate start
    Night shift
    Afternoon shift

    Addison Group

    Forney, TX
    7 days ago
  • Environmental Health And Safety Specialist Express Employment Professionals has partnered with an Industrial Facility in Terrell and...  ...production methods, and coordination of people and resources. Engineering and Technology - Knowledge of the practical application of engineering... 
    Local area

    Express Employment Professionals Defunct

    Terrell, TX
    4 days ago
  • Rainey Property Management is hiring a Leasing Consultant for affordable housing communities in Texas. The role focuses on leasing performance, compliance with HUD/LIHTC/Section 8, and delivering excellent resident service. You will help residents find suitable housing,...

    Rainey Property Management

    Balch Springs, TX
    4 days ago
  • Excel Fitness in Forney, TX is seeking a versatile Team Player to help maintain a welcoming fitness club environment. You will assist members, perform safety checks, and support daily operations with a focus on service quality and compliance. The role requires CPR/AED certification...
    Full time
    Part time
    Shift work
    Day shift
    Afternoon shift

    Excel Fitness

    Forney, TX
    3 days ago
  • $5,530 - $7,253.83 per month

    Date: May 11, 2026 Location: TERRELL, TX Functional Title: Mental Health Specialist V. Job Title: Health Specialist V. Agency: Health & Human Services Comm. Department: Adm AcuteCare Psych Psychology. Posting Number: 16816. Closing Date: 11/09/2026. Posting Audience:... 
    Full time
    Temporary work
    Part time
    Remote work
    Shift work
    Rotating shift

    Texas Health and Human Services

    Terrell, TX
    3 days ago
  • Community Health Services is seeking a Patient Services Representative at our Kaufman front office. You will be the first point of contact, greeting patients, scheduling, and ensuring accurate registration and payments. Responsibilities include verifying insurance, assisting...

    Community Health Services

    Kaufman, TX
    4 days ago
  •  ...and help us build the future. What You’ll Get To Do The Safety Specialist is focused on coordination of the environmental, health and...  ...discussing, disclosing, or inquiring about their own or others' pay. Seniority Level Mid-Senior level Employment Type Full-time Job... 
    Full time

    Oldcastle BuildingEnvelope

    Terrell, TX
    4 days ago
  •  ...ASCO Equipment has a career opportunity for a Parts Counter Specialist in Terrell, Texas . The Parts Counter Specialists will be responsible for aiding both customers and in-house service technicians in fulfilling their parts needs. The Parts Counter Specialist will... 

    ASCO Equipment

    Terrell, TX
    1 day ago
  • Online Order Filling Team Associate WM Supercenter #5288 220 N Highway 175 Seagoville, TX 75159-1841 CP-5288-9038 $14.50 - $27.50/hr* Part time Shift may start between 8:00am - 4:00pm Role Summary Online Order Filling associates have one focus: to fill and dispense...
    Hourly pay
    Minimum wage
    Full time
    Temporary work
    Part time
    Shift work
    Weekend work
    Afternoon shift

    Walmart

    Seagoville, TX
    3 days ago
  •  ...flexibility for days available for Manufacturing Maintenance Specialists for our Terrell, TX facility isn’t just a job - it’s a starting...  ...to complete maintenance functions Troubleshoot and repair mechanical, electrical, and hydraulic systems in all areas of the plant... 
    Temporary work
    For contractors
    Work at office
    Immediate start
    Shift work
    Day shift

    Oldcastle BuildingEnvelope

    Terrell, TX
    3 days ago
  •  ...General Counsel & Compliance Officer with providing guidance to senior management and with managing the legal function in general. The...  ...are addressed. Establishes with management and operations a mechanism to track access to protected health information as required by... 
    Full time
    Contract work
    For contractors
    Local area
    Immediate start
    Remote work
    Weekend work

    Southern Scripts

    Seagoville, TX
    3 days ago
  •  ...domains in the interest of national security. Job Title: Specialist, Integration/Test Engineering Job Code: 45041 Job Location: Rockwall, TX Job...  ...with Systems Engineers, Software Engineers and senior Integration & Test Engineers to identify system requirements... 
    Local area

    L3Harris Technologies

    Terrell, TX
    1 day ago
  • $125k - $140k

     ...Job Description Job Description Job Title: Senior Automation & Controls Engineer Location (City, State): Forney, TX Assignment Type: Direct Hire Pay: $125-140K Work Schedule: Full-Time | Monday–Friday Benefits: This position is eligible for medical... 
    Senior
    Full time
    Monday to Friday

    Addison Group

    Forney, TX
    14 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Senior Specialist, Mechanical Engineer. Be the first to apply!