Software Systems Architecture Sr - E3

Lockheed Martin; King of Prussia (PA); On-site; USD 96,000 - 178,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

401(k) match

Paid time off

Holidays

Parental Leave

EAP

Job summary

Lockheed Martin Space is seeking a Software Systems Engineer to define, design, and maintain complex architectures using MBSE and Cameo System Modeler. You will ensure traceability from system requirements to software development and contribute to architecture guidance for future projects.

The role requires US citizenship and final secret clearance, with experience in MBSE, SysML/UML, and a background in systems or software engineering.

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).
• US Citizenship required and final secret clearance needed to start.

Responsibilities

• Use MBSE to define, design, and maintain complex system architectures using Cameo Systems Modeler.
• Bridge the gap between high-level system requirements and detailed software development with traceability.
• Develop and publish corporate plans using cost-effective technologies to support major strategies.
• Provide architectural guidelines for software design across current and future environments.

Skills

Cameo Systems Modeler

SysML/UML

US Citizenship required

Security clearance required

Tools

Cameo Enterprise Architecture

DOORS

Job description

Standard Job Description

Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more — we can innovate, invest, inspire and integrate our capabilities to transform the future.

Standard Job Description

Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more — we can innovate, invest, inspire and integrate our capabilities to transform the future.

At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We’re creating future-ready solutions, focusing on resiliency and urgency through our 21st Century Security® vision. We’re erasing boundaries and forming partnerships across industries and around the world. We’re advancing spacecraft and the workforce to fuel the next generation. And we’re re-imagining how space can connect us, ensuring security and prosperity.

Join us in shaping a new era in space and find a career that's built for you.

The Software Systems Engineer will use Model-Based Systems Engineering (MBSE) methodologies to define, design, and maintain complex system architectures using Cameo Systems Modeler (MagicDraw) and decompose software requirements from systems and component requirements. This role bridges the gap between high-level system requirements and detailed software development, ensuring traceability and consistency across the lifecycle.

Develops and publishes corporate business automation plans using cost-effective delivery technologies in support of major corporate strategies. 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.

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)
• US Citizenship required. Final secret clearance needed to start.

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
• Proficient in AI prompting as it applies to this position and practice

#LMSpaceSoftwareEng

#LMSpaceSystemsEng

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.