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Software & IT

Software Systems Engineer

Lockheed Martin logoLockheed Martin$110,300–$204,900/yrLittleton, CO, United StatesPosted 1w ago

The posting names a Secret clearance.

The posting offers a 9/80, 4/10 or other compressed week. More with a 9/80 schedule

About the role

Standard Job Description

Plans, conducts, and coordinates software development activities. Designs, develops, documents, tests, and debugs software that contains logical and mathematical solutions to business/mission problems or questions in computer language for solutions by means of data processing equipment. Applies the appropriate standards, processes, procedures, and tools throughout the development life cycle. Applies knowledge of computer hardware and software, subject matter to be programmed in business/mission applications, information processing techniques used, and information gathered from system users to develop software. Corrects program errors, prepares operating instructions, compiles documentation of program development, and analyzes system capabilities to resolve questions of program intent, output requirements, input data acquisition, programming techniques, and controls. Ensures software standards are met.

Lockheed Martin Space is seeking a full time Senior Software Engineer to serve as a Deputy-Software Architect for the CPS program. The Senior Software Engineer will serve as a Deputy-Software architect for the Conventional Prompt Strike (CPS) hypersonic missile program, defining and driving the end‑to‑end software strategy for guidance, navigation, and control systems. This role blends deep technical expertise in real‑time, fault‑tolerant software with system‑level integration, ensuring robust, secure, and maintainable code that meets stringent performance and safety requirements across a high‑tempo, defense‑focused development environment.

Basic Qualifications

  • Solid technical engineering background in aerospace, software, systems or similar
  • Experience developing software or GN&C algorithms/models in a company setting
  • Familiar with systems engineering concepts and processes
  • A passion to challenge and grow yourself and others
  • Ability to obtain a DoD Secret clearance

Desired Skills

  • Experience leading FSW Systems Engineering Teams in the development of design and architecture
  • Demonstrated understanding and application of Systems Engineering and a Systems Thinking mindset
  • Experience with Model Based System Engineering for complex Software Solutions
  • Requirements development and management for complex Software Solutions
  • Validation and Verification of Complex Embedded Flight Software Systems
  • Experience working with groups and organizations outside of your immediate product area
  • Ability to manage multiple, often-competing requests, effectively prioritizing the most urgent ones
  • Ability to look across the entire system to identify potential impacts of a change
  • Ability to plan out and accomplish tasks with minimal oversight and support
  • Passion to apply creative problem solving and creative thinking to accomplish what seems impossible
  • Excellent presentation and written communication skills
  • Active DOD Secret clearance

Interview Questions

Acclimation to new team: Describe the last time you joined a new organization. How did you get acclimated? What were the most valuable pieces of information you learned or activities you undertook?

Software Product Design/Architecture: How did you evaluate technical designs and architecture frameworks in the specific projects you were involved in?

Software Product Design/Architecture: What types of tools and techniques have you used to design software?

System Testing: Tell me about your experience conducting system testing.

Pay Information

Full-Time Salary Range: $110300.00 - $204900.00

At Lockheed Martin, we know mission success starts with taking care of our people. Our Total Rewards program is designed to attract top talent, support your well-being, and help you grow - both professionally and personally.

The salary range for this position is as listed on the requisition. Please note that the salary information listed 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(work location) and business considerations when extending an offer.

Benefits offered:Medical, Dental, Vision, Flexible work arrangements and schedules (e.g., 4x10), 401(k) match, Paid time off, Holidays, Parental Leave, EAP, Flexible Spending Accounts, Education Assistance, Life Insurance, Short-Term Disability, and Long-Term Disability.

  • Annual short-term and/or long-term incentive compensation programs may be offered depending on the position. Payments under these annual programs are not guaranteed and can vary from year to year and are tied to a range of performance metrics.
  • For (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.

Copied from the listing Lockheed Martin published, verified 31 Oct 2026.

About Lockheed Martin

Lockheed Martin Space builds GPS and missile warning satellites, NASA's Orion crew capsule and deep space probes.

Littleton is home to Lockheed Martin's Waterton Canyon space campus, for production, engineering and testing, where it built a $350 million satellite production facility. (Source: Denver7)

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