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Systems Architect Senior; Level 3 Security Clearance

Job in King of Prussia, Montgomery County, Pennsylvania, 19406, USA
Listing for: Lockheed Martin
Full Time position
Listed on 2026-02-20
Job specializations:
  • Engineering
    Systems Engineer, Cybersecurity
Job Description & How to Apply Below
Position: Systems Architect Senior (Level 3) with Security Clearance
Job Number 717713

Description:

The coolest jobs on this planet... or any other... are with Lockheed Martin Space OVERVIEW:
By bringing together people that use their passion for purposeful innovation, at Lockheed Martin we 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 development 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. At Lockheed Martin, we place an emphasis on empowering our employees by fostering innovation, integrity, and exemplifying the epitome of corporate responsibility. Your Mission is Ours What does this role look like? Lockheed Martin Space is seeking a senior systems architect to join the Global Security Future Architectures (GSFA) Ground Team for upcoming work on Program 224.

The Systems Architect will be joining a ground subsystem team and contribute to the development of the subsystem structure, behavior, and interfaces. Responsibilities include, but are not limited to, the following:
• Define ground subsystem structures, behavior, interfaces, and data flows

• Contribute to design and model development by creating or refining SysML elements and diagrams

• Contribute to development of CDRL documents

• Conduct or participate in design trade studies

• Develop plans for Dev Sec Ops  pipelines and test approach

• Participate in interface working groups to define & mature external interfaces, as well as drive decisions related to systems & software architecture

• Present at internal meetings and demos You can learn more about King of Prussia, PA by visiting this link. You can learn more about Denver, CO by visiting this link.

Basic Qualifications:

• Experience with in software, information management, or communication systems for Space AND/OR Ground segments
• Demonstrated experience with model-based systems engineering (MBSE)
• Experience performing system engineering, systems architecture, or systems analysis within a medium to large scale systems
• Active Top Secret clearance to start with the ability to obtain and maintain a TS/SCI clearance
Desired

Skills:

• Proficiency with SysML and Cameo
• Experience with development phase design reviews including SRR, SDR, PDR, or CDR
• Experience with enterprise/system of systems design or integration
• Proficiency with Agile development tools, techniques and associated business rhythms
• Strong organizational skills with the ability to multi-task and work collaboratively across multiple teams
• Excellent verbal and written communication/presentation skills
• Prior experience working in a classified environment
• Active TS/SCI Security Clearance #SpaceNSS
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, Massachusetts, and New York (excluding most major metropolitan areas), Colorado, Hawaii, Illinois, Maryland, Minnesota, New Jersey,…
Position Requirements
10+ Years work experience
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