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Guidance Navigation and Control Engineer Senior

Littleton, Colorado

Littleton, Colorado

Responsibilities

Job ID: 704460BR Date posted: Sep. 08, 2025
Description:As we enter a new era of Strategic Weapon Systems, Lockheed Martin is a pioneer, partner, innovator and builder. Our amazing men and women are on a mission to make a difference in the world and every single day we use our unique skills, talents and experiences to design and build solutions to some of the world’s hardest engineering problems.

Do you want to be part of a culture that inspires employees to envision the impossible, perform with excellence and build incredible products? We provide the resources, inspiration and focus—if you have the passion and courage to dream big, then we want to build a better tomorrow with you.

Bring your experience and passion for engineering to Lockheed Martin, and build the systems which support our nation's defense systems.

The National Security Space Guidance, Navigation, and Control (GN&C) team is made up of enthusiastic and talented individuals that design and produce the hardware, algorithms, and software required to solve the challenging problems of controlling these systems in a harsh, zero-g environment.

Are you willing to join this team and help solve these challenges in a team environment using your GN&C academic background and industry experience? Do you have experience in spacecraft relative navigation, particularly Rendezvous and Proximity Operations (RPO)?

If so, consider this senior GN&C position on a group of exciting space programs that will inspire your imagination and provide unique challenges to use and grow your talent.



What does this role look like?



• Apply missile guidance, navigation, and control expertise to modeling and simulation
• Integrate Matlab/Simulink models into a 6-DOF C++ simulation
• Develop high fidelity models and simulation software
• Build new source code in C++ and Python
• Modify code in C++, C, Matlab, Simulink, Fortran, Python, Linux shell, and YAML
• Create unit tests
• Execute simulation software on a high performance computing cluster including Linux systems or VMs
• Work in an Agile DevOps environment with Docker/Container and Kubernetes deployment
• Collaborate with the performance analysts, Flight Software team, and customer
• Algorithm Development



Important Notes



• Candidates may be subject to a government security investigation and must meet eligibility requirements for access to classified information.

• Applying to this Expression of Interest opportunity introduces you to Lockheed Martin's job opportunities and promotes you to managers who are interested in hiring for multiple roles.

• You can’t and will not be hired on this requisition. Actual job responsibilities, levels, and locations will vary based on actual hiring job postings.
Basic Qualifications:
- Bachelors degree from an accredited college in a related discipline, or equivalent experience/combined education.

- Experience in Relative Navigation: Rendezvous and Proximity Operations (RPO) algorithm development from initial system design thru the entire life cycle of code development

- Experience with simulation and programming tools (ex. Matlab/Simulink, C++, Python) and Kalman Filtering / Attitude Determination

- Experience in performing GN&C (Guidance, Navigation, & Control) design and analysis tasks

- Possess an Active TS or TS/SCI clearance
Desired Skills:
- Experience with flight software development and autocode to C++

- Experience working with different satellite bus sizes

- Familiarity with a GN&C hardware suite for space applications

- Mission operations experience

- Ability to work in a fast-paced, dynamic, collaborative team environment

- Demonstrated good communication skills with the ability to articulate complex technical issues to peers, management, subcontractors and customers.

- Active TS/SCI clearance with Poly
Security Clearance Statement: This position requires a government security clearance, you must be a US Citizen for consideration.
Clearance Level: TS/SCI
Other Important Information You Should Know
Expression of Interest: By applying to this job, you are expressing interest in this position and could be considered for other career opportunities where similar skills and requirements have been identified as a match. Should this match be identified you may be contacted for this and future openings.
Ability to Work Remotely: Onsite Full-time: The work associated with this position will be performed onsite at a designated Lockheed Martin facility.
Work Schedules: Lockheed Martin supports a variety of alternate work schedules that provide additional flexibility to our employees. Schedules range from standard 40 hours over a five day work week while others may be condensed. These condensed schedules provide employees with additional time away from the office and are in addition to our Paid Time off benefits.
Schedule for this Position: 9x80 every other Friday off
Pay Rate: The annual base salary range for this position in California and New York (excluding most major metropolitan areas), Colorado, Hawaii, Illinois, Maryland, Minnesota, New Jersey, Vermont, Washington or Washington DC is $97,100 - $171,235. For states not referenced above, the salary range for this position will reflect the candidate’s final work location. Please note that the salary information is a general guideline only. Lockheed Martin considers factors such as (but not limited to) scope and responsibilities of the position, candidate's work experience, education/ training, key skills as well as market and business considerations when extending an offer. Benefits offered: Medical, Dental, Vision, Life Insurance, Short-Term Disability, Long-Term Disability, 401(k) match, Flexible Spending Accounts, EAP, Education Assistance, Parental Leave, Paid time off, and Holidays. (Washington state applicants only) Non-represented full-time employees: accrue at least 10 hours per month of Paid Time Off (PTO) to be used for incidental absences and other reasons; receive at least 90 hours for holidays. Represented full time employees accrue 6.67 hours of Vacation per month; accrue up to 52 hours of sick leave annually; receive at least 96 hours for holidays. PTO, Vacation, sick leave, and holiday hours are prorated based on start date during the calendar year. This position is incentive plan eligible.
Lockheed Martin is an equal opportunity employer. Qualified candidates will be considered without regard to legally protected characteristics.
The application window will close in 90 days; applicants are encouraged to apply within 5 - 30 days of the requisition posting date in order to receive optimal consideration.
At Lockheed Martin, we use our passion for purposeful innovation to help keep people safe and solve the world's most complex challenges. Our people are some of the greatest minds in the industry and truly make Lockheed Martin a great place to work.

With our employees as our priority, we provide diverse career opportunities designed to propel, develop, and boost agility. Our flexible schedules, competitive pay, and comprehensive benefits enable our employees to live a healthy, fulfilling life at and outside of work. We place an emphasis on empowering our employees by fostering an inclusive environment built upon integrity and corporate responsibility.

If this sounds like a culture you connect with, you’re invited to apply for this role. Or, if you are unsure whether your experience aligns with the requirements of this position, we encourage you to search on Lockheed Martin Jobs, and apply for roles that align with your qualifications.
Experience Level: Experienced Professional
Business Unit: SPACE
Relocation Available: Possible
Career Area: Guidance, Navigation and Control
Type: Full-Time
Shift: First
Apply Now

About

At Lockheed Martin, we apply our passion for purposeful innovation to keep people safe and solve the world's most complex challenges.

Pioneering Defense Technology: From aerospace to outer space to cyber space, you can innovate mission solutions alongside the best minds in the business.

United By Culture: Excellence, integrity, and collaboration define us. We accelerate change and embrace one another’s perspectives to win for our customers.

Real Impact, Real Growth: Grow your career and skills for life. Our wide array of opportunities and technology-driven learning programs enable your development and agility.

Your Health, Your Wealth, Your Life: Competitive pay, comprehensive benefits and flexible schedules designed so you thrive — at work and beyond.

Empowered to Be Your Best: Use your strengths to make a difference in the lives of one another, our customers, our communities, and our planet.

Here, the possibilities are endless because we offer:

  • Flexible Schedules, dependent on role
  • Levels: Student, Entry, Mid, Senior, Management
  • Locations: Nationwide & OCONUS Positions

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Qualifications

What does a successful GNC employee at Lockheed Martin look like?
Check out the info below to see if you have what it takes.

  • Collaborative
  • Imaginative
  • Problem-solver
  • Results-driven
  • Team player
  • Technologically savvy

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Quote

The work so far has been challenging and varied. Overall, it’s been a great job; The people, environment, and benefits are fantastic on top of the work itself.

Tim J.

Benefits

  • Healthcare

    Medical, Dental and Vision coverage is available for employees who opt-in.

  • 401k/Retirement Plans

    Our 401(k) plan features generous matching and company contributions.

  • Professional Development

    We support our employees through mentoring, internal & external educational programs, networking, skills enhancement and career-building programs.

  • Maternity and Paternity Leave

    Our generous parental leave policies support your journey into parenthood. When you return to work, our facilities offer mother's rooms to support your transition and work/life balance.

  • Paid Time Off

    We offer PTO, paid holidays and paid time off for jury duty and military obligations.

  • Flex-time

    Depending on position, we offer a flexible work schedule.

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