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Systems Engineer, Staff - System Security Engineering Integration Portfolio Project Lead

Lockheed Martin
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King of Prussia, PA, USA
Sep 20, 2026

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 reimagining 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.

For over 70 years, the Fleet Ballistic Missile (FBM) team has supported the Navy's mission to provide affordable and credible strategic defense. We offer unique career opportunities and challenges on a program with a rich history and exciting future. We help keep this nation and our allies secure. The FBM Program is experiencing significant growth and we need your expertise to deliver amazing new technologies to our customers while maintaining the technical requirements of the strategic deterrence.

We are seeking a highly skilled Systems Engineer, Staff - System Security Engineering (SSE) Integration Portfolio Project Lead across several programs in the FBM Reentry directorate. 

As the SSE Integration Portfolio Project Lead, duties will include:

  • Lead Basis of Estimate (BOE) development, reviews, and fact finding negotiations with the Navy on the FBM Reentry System Security Engineering Team.
  • Lead development and maintenance of a high level long range roadmap with milestones, review dates, and events for System Security Engineering across multiple Reentry programs. 
  • Lead Estimate to Complete (ETC) analysis and variance reporting with Cost Account Managers (CAMs) for Reentry System Security Engineering.
  • Work with each program's System Security Engineering Integration lead, finance, and planning team to compile monthly reports for our budget and schedule for the Navy.
  • Coordinate with the FBM Cyber and FBM System Security Engineering teams to track status and actions for System Security Engineering. 
  • Coordinate with Reentry and program leadership to identify, plan, to execute System Security Engineering scope for current and future Reentry programs. 

The organization is distributed between Littleton, CO, Valley Forge, PA, and Titusville, FL.

The information below reflects the standard job description for this position: Performs technical planning, system integration, verification and validation, cost and risk, and supportability and effectiveness analyses for total systems. Analyses are performed at all levels of total system product to include: concept, design, fabrication, test, installation, operation, maintenance and disposal. Ensures the logical and systematic conversion of customer or product requirements into total systems solutions that acknowledge technical, schedule, and cost constraints. Performs functional analysis, timeline analysis, detail trade studies, requirements allocation and interface definition studies to translate customer requirements into hardware and software specifications. For positions that perform IT responsibilities, use E646, Systems Engr-IT.

Basic Qualifications

  • Experience with technical program reviews (i.e., System Requirements review (SRR), Preliminary Design Review (PDR), Critical Design Review (CDR))
  • Experience with Agile (i.e., Jira and Confluence)
  • Experience generating Basis-Of Estimates (BOEs), and/or generating proposals
  • Experience with comparing Budget to Actuals
  • Experience with Project Management
  • Experience integrating with other organizations
  • Active Secret Clearance, with the ability to obtain and maintain a Top Secret Clearance; US Citizenship

Desired Skills

  • Bachelor's degree or Master's Degree in engineering or related field
  • Experience developing Supplier Statements of Work (SOWs)
  • Experience reviewing propose
  • Experience with Earned Value Management and Variance Reporting
  • FBM Program Knowledge and experience working with US Navy
  • Communicating/coordinating program issues/status to customers, contractors and/or upper management.
  • Resolving technical challenges requiring integration with cross-functional teams.
  • Ability to meet or exceed individual/team deliverable deadlines.
  • Agile Practitioner (Scrum Master, Product Owner/Product Manager, etc.)
  • Requirements definition and tool experience (i.e., Concept of Operations (CONOPs), requirements document, interface requirement drawings/documents, DOORS, etc.)
  • Program management experience such as project planning, scheduling, cost estimates/budgeting, ROI and/or cost avoidance estimation
  • MBSE/SysML experience (i.e., Cameo, MagicDraw)
  • Participation in Structured Improvement Activities (SIA) or similar continuous improvement events
  • As a "change agent" able to facilitate cultural adoption of new processes, tools, and approaches
  • Positive demeanor, accountable and responsible and able to work in a team-focused, dynamic environment
  • Lean Six Sigma Certified Greenbelt

Pay Information

Full-Time Salary Range: $118000.00 - $219100.00

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.

Job ID

996476608856|loc1

Security Clearance

Top Secret
About Lockheed Martin

The F-35, PAC-3, and the GOES weather satellite...What do all of these technologies have in common? Talented people, our employees are the core of our business here at Lockheed Martin. As the leading global security, aerospace and information technology company-and the largest provider of IT services, systems integration & training to the U.S. government-we apply our passion for purposeful innovation to keep people safe and solve the world's most complex challenges.

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