Software Systems Architecture Sr - E3

## Standard Job Description 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). ## Basic Qualifications 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) ## Desired Skills - 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.