Performs complex software design activities integrating multiple technologies. Provides architectural guidelines for all software design activities to current and future technological environments. Maintains state-of-the-art knowledge of technologies, planning, design, and analysis methodologies. Responsible for the design and architectural guidelines for current and future software technological activities.
This role bridges the gap between high-level system requirements and detailed software development, ensuring traceability and consistency across the lifecycle. The Software Systems Engineer will
- Decompose software requirements from systems and component requirements
- Use Model-Based Systems Engineering (MBSE) methodologies to define, design, and maintain complex system architectures using Cameo Systems Modeler (MagicDraw).
Experience in systems engineering, software engineering, or related field.
•Proven expertise in Cameo Systems Modeler / Cameo Enterprise Architecture or equivalent.
• Knowledge of SysML (System Modeling Language) and/or UML (Unified Modeling Language)
• Ability to obtain Secret Security Clearance (US Citizenship Required)
• INCOSE Certified Systems Engineering Professional (CSEP) or OMG Certified Systems Modeling Professional (OCSMP).
• Demonstrated ability to author clear, concise, and traceable software requirements—including functional, non‑functional, and interface specifications—that align with stakeholder needs and project goals. Experience with DOORS a plus.
• Experience in Agile development, Configuration Management, DO-178C.
• Experience in aerospace, defense, or complex electronics.
• Clearance: Active secret security clearance
• Experience DOD Software CDRL Development
• Ability to thrive in a fast-paced, synergetic team environment.
• Demonstrated behaviors of a systems thinker with the ability to select and apply appropriate systems thinking skills to solve problems and implement constructive change.
• Excellent written and verbal communication skills, strong social skills, and ability to build consensus among peers while building solid relationships with team members
#LMSpaceSoftwareEng
Pay Information
Full-Time Salary Range: $95900.00 - $178100.00
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.
Skills Required
- Experience in systems engineering, software engineering, or a related field
- Proven expertise in Cameo Systems Modeler, Cameo Enterprise Architecture, or equivalent
- Knowledge of SysML and/or UML
- Ability to obtain a Secret security clearance
- U.S. citizenship
- INCOSE Certified Systems Engineering Professional (CSEP) or OMG Certified Systems Modeling Professional (OCSMP)
- Experience authoring clear, concise, traceable functional, non-functional, and interface software requirements
- Experience with DOORS
- Experience in Agile development
- Experience with configuration management
- Experience with DO-178C
- Experience in aerospace, defense, or complex electronics
- Active Secret security clearance
- Experience with Department of Defense software CDRL development
- Strong written and verbal communication skills
- Ability to build consensus and collaborate effectively with engineering teams
Lockheed Martin Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Lockheed Martin and has not been reviewed or approved by Lockheed Martin.
-
Retirement Support — Retirement benefits are described as a standout element, with a strong 401(k) program and options like an employee stock purchase plan. Feedback suggests these features meaningfully enhance total compensation and long‑term financial security.
-
Healthcare Strength — Healthcare coverage is portrayed as comprehensive from day one, with multiple plan options, mental health resources, and virtual care. Wellness supports such as on‑site services and preventive programs are also highlighted.
-
Flexible Benefits — Work arrangements often include compressed schedules and telework, contributing to a favorable work‑life balance. Feedback suggests this flexibility is a key reason many view the overall package positively.
Lockheed Martin Insights
What We Do
Customer Focus, Innovation and Purpose are Built Into Everything We Do. Lockheed Martin. Your Mission is Ours ™. Headquartered in Bethesda, Maryland, Lockheed Martin is a global security and aerospace company principally engaged in the research, design, development, manufacture, integration and sustainment of advanced technology systems, products and services.








