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Model-Based Systems Engineer Sr - E3

Lockheed Martin

King of Prussia, PAFull-time$96–178K/yrSeen 5 days agoSeen in employer's feed 5 days ago

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At a glance

Compensation
$96–178K/yr
Location
King of Prussia, PA
Schedule
Full-time
Work Authorization
US work authorization required

Olive lists jobs from US employers, including remote roles you can work from the United States.

Requirements

Credentials this posting asks for.

Top Secret clearance

Job overview

Lockheed Martin seeks a senior Model-Based Systems Engineer for the Sentinel Program, supporting modernization of the Minuteman Weapon System. The role establishes technical solutions and product design, develops system architecture and requirements, and supports verification planning. The engineer will use MBSE tools and processes, including Cameo and DOORS, to maintain requirements and coordinate with engineering partners and customers.

Skills & qualifications

RequiredNice to have

Skills

Systems EngineeringSubsystem DesignCONOPS DevelopmentMBSESysMLCameoRequirements DevelopmentRequirements ManagementDOORSFunctional AnalysisRequirements AllocationVerificationSystem Trade StudiesSystem IntegrationSystem TestingDesign ReviewsTechnical Product CharacterizationSpace Program DevelopmentMissile DesignMissile TestingSpace Segment DesignSpace Segment TestingUS Air Force Weapon SystemsRequirements DecompositionRequirements ValidationPartner CoordinationAgile MethodologySystems ThinkingWritten CommunicationVerbal CommunicationConsensus BuildingRelationship BuildingAI-Assisted Specification Development

Qualifications

Systems Engineering Lifecycle ExperienceDevelopment Program ExperienceActive DoD Secret ClearanceUS CitizenshipTop Secret ClearanceMaster's in Systems EngineeringINCOSE CertificationRelevant Graduate Certificate

Benefits

Medical Insurance
Dental Insurance
Vision Insurance
401(k) Match
Paid Time Off
Parental Leave
Tuition Assistance

Full 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. 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.

Ready to Support the Advanced Strategic Missions?

This group of diverse Engineers has a long history of supporting the Air Force Mission reaching back to the 1960's. Today's challenge is to support the modernization of the Minuteman Weapon System by crafting, building, testing and deploying new Reentry Systems and Ground Equipment that will enable the new system to perform for many years to come. This critical mission area must be done right, pass meticulous certifications and last for many years to come. If this challenge is for you, you belong in AFSP.

We are currently seeking a Model-Based Systems Engineer for the Sentinel Program to establish technical solutions and product design for one of our country's most vital and sophisticated strategic systems!

As a Model-Based Systems Engineer , you will:

  • Ensure the logical and systematic conversion of customer or product requirements into total systems definitions that acknowledge technical, schedule, and cost constraints

  • Establish system architecture and CONOPS, perform system trades and analysis, flow down the architecture and CONOPS into requirements and interfaces, and support verification planning

  • Define Key performance parameters, technical performance measures and the associated derived requirements

  • Support requirements and verification team projects and coordinate regularly with key partners to maintain program objectives

  • Be responsible for drafting, reviewing, and releasing requirements specification documents, including defining the requirements and verification baseline

  • Develop Specifications and Interface Control Documents

  • Use MBSE tools and processes to generate synergistic models to establish linkages across verification artifacts and requirements

  • Quickly become a proficient independent contributor with Cameo and DOORS and apply systems engineering change control process to maintain control of requirements

  • Use your excellent communication skills to work across the Lockheed Martin organization and customer/user community to ensure consensus and understanding of solutions

This information 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.

Basic Qualifications

  • Experience in Systems Engineering concepts and processes during a product lifecycle

  • Experience in multiple Systems Engineering functions in a development program setting, such as:

  • Subsystem design or analysis

  • CONOPS development

  • Model Based Systems Engineering (MBSE) processes, principles, and tools (SysML/Cameo)

  • Requirements development and management processes, principles, and tools (DOORS), including functional analysis, allocation, or verification

  • System trade studies

  • System Integration, Test and/or Verification

  • Design reviews (SRR, PDR, CDR, etc.)

  • Demonstrated ability to work with multiple engineering field to identify technical product characteristics to develop requirements specifications

  • Active DoD Secret clearance with ability to obtain Top Secret Clearance; US Citizenship required

Desired Skills

  • Experience working in the development phase of a Space or Missile development program preferably for the US Government

  • Missile or space segment design and test experience with one or more subsystems or fields outside of Systems Engineering

  • Experience with US Air Force Weapon Systems Programs

  • Identifying, decomposing, allocating and verifying/validating requirements

  • Coordinating with multiple key partners

  • Knowledge of Agile methodology

  • Demonstrated behaviors of a systems thinker; selects and applies appropriate systems thinking skills to solve very complex problems and implement constructive change

  • Excellent written and verbal communications skills, strong social skills, and ability to build consensus among peers while building solid relationships with team members

  • Knowledge of AI-assisted requirements/specification development

  • Master's Degree in Systems Engineering, INCOSE Certification, or relevant Graduate Certificate

  • Active DoD Top Secret Clearance

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.

Lockheed Martin is an equal opportunity employer. Qualified candidates will be considered without regard to legally protected characteristics.

How this job compares

Set against the 10,536 open Systems Engineer jobs on Olive Jobs, counted October 27, 2026.

Pay
  • This posting$96–178K/yr
  • Pennsylvania median$96–169K/yr139 salary ranges
  • US median$115–188K/yr7,864 salary ranges

This range's midpoint, $137K, is close to the Pennsylvania median midpoint ($137K) — in the middle half of Systems Engineer salary ranges in Pennsylvania.

Openings
Olive Jobs lists 196 open Systems Engineer jobs in Pennsylvania and 10,536 across the US. 4% of them nationwide are listed as remote or flexible.
Hiring the most in Pennsylvania
Experience
Systems Engineer postings that state a minimum ask for 5 years of experience at the median; the middle half ask for 3 to 8 years (8,741 postings).
Education
4,680 of the 10,536 open Systems Engineer jobs (44%) ask for a bachelor's degree or higher.

Counted across the open, public US postings on Olive Jobs on October 27, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.

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