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Lead, Software Controls Engineer

Santa Rosa, California

Job ID IMS20221406-84093
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On the L3Harris team, your job is to secure the world. We don’t work here just for the advanced technology and equipment: We work here because we know what – and who – we’re protecting. From families to the intelligence community, and from our climate to our men and women in uniform – we’re making the world a safer place. Working in Software with L3Harris you'll join our team of qualified, diverse individuals and work in a fast-paced environment with high expectations, global scope, and a collaborative team setting.

  • Full Time
  • Level: Experienced
  • Location: On Site
  • Glassdoor Reviews and Company Rating

Success Profile

What makes a successful Engineer at L3Harris?
Check out the traits we’re looking for and see if you have the right mix.

  • Innovative
  • Technical
  • Influential
  • Critical Thinker
  • Analytical
  • Detail Oriented


I love my job because every day there’s a new problem to tackle, a new skill to learn and an awesome team that has my back.

Heather S., Engineer

L3Harris Work Perks

  • Health

    • Medical with a High Deductible and traditional PPO plan options, as well as, vision and a full array of supplemental health benefits
    • A doctors' service to help with referrals and second opinions for you, your family, and parents

  • Family

    • 4 weeks of paid parental leave for moms and dads
    • Fertility treatment
    • Subsidized backup childcare and eldercare
    • Adoption assistance - $5,000 per adoption/$15,000 per employee
    • Pet insurance

  • Well-Being

    • No cap to your PTO time (for exempt employees)
    • Dress for your day - wear what works for you at work
    • Legal plan for you, your family, and parents
    • Discount platform
    • 9/80 work schedule available for most U.S. employees, effective October 24, 2022.

Job Description

L3Harris is dedicated to recruiting and developing diverse, 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 an agile global aerospace and defense technology innovator, delivering end-to-end solutions that meet customers’ mission-critical needs. The company provides advanced defense and commercial technologies across space, air, land, sea and cyber domains. L3Harris has approximately $18 billion in annual revenue and 47,000 employees, with customers in more than 100 countries.


Position: Lead, Software Controls Engineer

Job ID: IMS20221406-84093

Location: Santa Rosa, CA

We are looking for a dynamic Senior Software Controls Engineer to specialize in software development for our inertially stabilized sensor systems.

Performance Objectives:

Subject matter expert with comprehensive knowledge of control theory and in-depth knowledge of project management. Manages large, complex project initiatives of substantial importance to the organization with minimal oversight or direction.

Makes significant improvements in processes, systems, or products. Provides input into new products/processes and implements operational plans that have measurable impact on business or functional results.

Frequently responsible for providing guidance, coaching and training to other employees across the Company within area of expertise. Communicates within and outside of the organization which include customers or vendors. Works to influence others to accept individual or team’s views or practices and changes to concepts, practices and approaches. Communicates with leadership regarding matters of importance to the functional or business area. May conduct briefings with leaders.

Conducts extensive investigation to understand root cause of problems and where information is difficult to obtain. Problems span a wide range of difficult and unique issues across the function and/or business area.

Specific performance examples of these core behaviors are:

  • Lead the design, development and testing of embedded motion control software utilizing various software tools
  • Design, develop, implement, tune and test stabilized platform PID control software
  • Utilize published standards for product development from IEEE, MISB, OMS/UCI, & others
  • Utilize MS Visual Studio, QNX, Linux, & Matlab/Simulink development tools
  • Perform system modeling, simulation and analysis on complex software problems
  • Lead in the debugging and unit testing of software products
  • Conduct independent technical investigations of considerable complexity to improve system performance or solve difficult system requirements issues
  • Analyze, develop and recommend design approaches to meet requirements of complex systems
  • Coordinate with other functional engineers to develop and test products and resolve compatibility and interface problems with other subsystems
  • Interface with other departments to participate in specification, design, code, and test reviews
  • Follow & improve internal process to ensure proper conformance to established policies and procedures
  • Provide timely production support and problem resolution
  • Produce timely status reports and projections
  • Prioritize and manage multiple projects within design specifications and budget restrictions
  • Review literature and current practices relevant to the solution of assigned projects
  • Evaluate vendor capabilities to provide required products or services


  • Expert in controls programming utilizing tools such as C/C++/C#, RTOS (real time operating system), DSPs (Digital Signal Processing) and FPGAs (Field-programmable Gate Arrays)
  • Experience with servo control and Matlab/Simulink modeling
  • Strong mechanical, mathematical, & geo-spatial comprehension skills
    • Strong understanding of frequency response in continuous and discrete time domain systems
    • Strong understanding of PID control loop and filter implementation
    • Software development in RTOS environments
    • Ability to work in a multi-discipline environment to create solutions that meet requirements and standards
    • Strong interpersonal and facilitation skills
    • Creative, open-minded, a good communicator, and a good listener
    • Ability to communicate clearly (written and verbal) to technical and non-technical personnel
    • Ability to logically address, analyze, and resolve problems
    • Attention to detail and deadlines
    • Understanding of defense products for the environments and platforms L3 supports
    • Excellent organization and multi-tasking abilities with the ability to resolve conflicting priorities

Basic Qualifications & Education:

Requires comprehensive level knowledge of job area typically obtained through advanced education combined with experience. Bachelor’s Degree and minimum 9 years of prior relevant experience. Graduate Degree and a minimum of 7 years of prior related experience.

  • High level of expertise in at least 5 of the following areas and basic capability in the other areas:
  • Programming in C/C++/C# languages (Java beneficial)
  • Programming for Linux, Windows & QNX operating systems
  • Servo control and Matlab/Simulink development
  • Inertial navigation programming
  • OMS/UCI, MISB, STANAG protocols
  • IP networking (Layer 2/3), LAN’s switching and routing
  • Software development process, software design, documentation, quality assurance during development, software unit and integration testing.
  • Exposure to Agile Development (Jira), DevSecOps and MBSE
  • Complex prototype product support (installation, trouble-shooting, customer interface)
    • Must be able to obtain and maintain a US Government Security Clearance
    • Pre-employment drug screening and background checks are standard

ADA Requirements:

  • Some repetitive motion activities
  • Visual acuity to operate equipment, read technical information
  • Able to use a computer/keyboard for extended periods of time
    • May be required to lift up to 50 lbs, with assistance
    • Able to use office & test equipment and computers/peripherals in a standard office & computer lab environment
      • Fast paced, schedule-driven environment; Some stress related to making decisions with ambiguous information
      • Willing and able to work extended hours when necessary –Domestic travel up to 10% required

Bringing the future into focus…

Headquartered in Melbourne, FL, L3Harris Technologies (NYSE: LHX) is the 6th largest Defense Contractor, employs over 47,000 people worldwide, and is a prime contractor in aircraft modernization and maintenance, Command, Control, Communications, Intelligence, Surveillance and Reconnaissance (C3ISR) systems and government services. L3H is also a leading provider of high technology products, subsystems and systems. The company reported 2021 revenue of $18B.

L3H Sonoma EO is located in Santa Rosa, CA with an operating office in Plano, TX. L3H Sonoma EO is an established pioneer in military/defense infrared technology. A leader in high technology and engineering services, L3H Sonoma EO is world renowned for its expertise in the areas of Electro Optical / Infrared (EO/IR) stabilized imaging systems. As a first-rank engineering and production company, L3H Sonoma EO is engaged in the design, development, and manufacture of highly-sophisticated electronics equipment that is used in a variety of product areas for government, civil and commercial applications.

L3H Sonoma EO is a dynamic and innovative business, open to new ideas and able to quickly transform new ideas into revolutionary technological improvements and new product offerings. We offer competitive benefits, an alternative 9/80 work schedule, and the opportunity to work with a talented and diverse group of professionals.

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 résumé for this position, you understand and agree that L3Harris Technologies may share your résumé, 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 proud to be an Affirmative Action/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.

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.

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