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Salary
$96k – $178k per year
Location
In office (King of Prussia, Littleton)
Seniority
Staff
Visa
H-1B filings in 12 months: 1

Confirmed on the employer's own hiring board on Oct 18, 2026. First seen by Alion on Aug 27, 2026. Lockheed Martin scores A on the Alion truth index.

Overview
Company
Impact
Profile match
Lockheed Martin is the largest defence contractor in the world, formed in 1995 by merging Lockheed Corporation with Martin Marietta and headquartered in Bethesda, Maryland. Its single most important programme is the F-35 Lightning II, the most expensive weapons system ever built, alongside the F-16, the C-130 transport and classified work at the Skunk Works advanced development unit. The company also dominates missile defence with THAAD and PAC-3 interceptors, supplies HIMARS and Javelin systems, owns the helicopter maker Sikorsky, and builds the Orion crew capsule and military satellites through its space division.

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.

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 and we need your expertise to deliver amazing new technologies to our customers while maintaining the technical requirements of strategic deterrence.

We are seeking a Systems Engineer, Senior to support the integration between the System Security Engineering (SSE) and Reentry System Program Teams. The successful candidate will play a critical role in ensuring the seamless integration of security engineering principles and practices into the reentry system design, development, and operation. This position requires a strong understanding of system security engineering, reentry system development, and program management.

Key Responsibilities:

  • Facilitate integration between SSE, Reentry System Program, and customer; ensuring effective communication and collaboration
  • Integrate SSE requirements, including Hardware Assurance, Software Assurance, Cyber Security, Asymmetric Threat Vulnerability Management, Supply Chain Risk management, and Nuclear Surety into the reentry system design and development
  • Work with Reentry System Program team facilitate identification of critical program information and ensure that security engineering requirements are properly addressed
  • Work with SSE team to develop, verify, and validate security engineering requirements throughout the systems engineering lifecycle for each reentry program
  • Ensure security engineering principles and practices are applied throughout the reentry system lifecycle, including design, development, testing, and operation
  • Monitor status, risks, needs, and priority of SSE tasks for all Reentry Programs
  • Work with operations and manufacturing teams to ensure that security engineering requirements are properly addressed during system operation and maintenance
  • Develop and maintain a plan for SSE activities on the Reentry SEIT team with Agile and Waterfall based methods
  • Support Basis of Estimate Development and Proposal efforts for SSE

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.

Basic Qualifications

  • Experience in systems engineering, security engineering, or a related field
  • Familiarity with at least one of the following system security engineering principles and practices, including Hardware Assurance, Software Assurance, Cyber Security, Nuclear Surety, and Supply Chain Risk management
  • Understanding of the systems engineering lifecycle, including requirements definition, design, development, testing, and operation
  • Strong communication and collaboration skills, with ability to work effectively with cross-functional teams
  • Experience with Agile (i.e.Jira and Confluence)
  • Active Secret security clearance with the ability to obtain and maintain a Top Secret security clearance; US Citizenship required

Desired Skills

  • Bachelor's or Master's degree in Engineering, Computer Science, cybersecurity, or related field
  • Familiarity or experience with system security engineering requirements development, verification, and validation
  • Knowledge of asymmetric threat vulnerability management and nuclear surety principles and practices
  • Familiarity or experience with Cyber Security package development for IATTs and ATOs
  • Familiarity or experience with program management principles and practices, including earned value management and risk management
  • Familiarity or experience generating Basis-Of Estimates (BOEs) and providing proposal support
  • Familiarity or experience with supply chain risk management
  • Experience with working in a multi-disciplined IPT
  • Familiarity with the LM FBM, LM Space, and/or other Business Area (BA) Systems Engineering Management Plan (SEMP)
  • Experience developing products during the Requirements definition phase of the systems engineering lifecycle (i.e., Concept of Operations (CONOPS), requirements document, trade studies/evaluations, etc.)
  • Participation in Structured Improvement Activities (SIA) or similar continuous improvement events
  • FBM Program Knowledge and experience working with US Navy
  • Lean Six Sigma Certified Greenbelt
  • Has demonstrated success as a "change agent" able to facilitate cultural adoption of new processes, tools, and approaches
  • Familiarity with MBSE/SysML (i.e., Cameo, MagicDraw) and experience reviewing MBSE/SysML models
  • Positive demeanor, accountable and responsible and able to work in a team-focused, dynamic environment
  • Proficient in AI prompting as it applies to this position and practice
  • Active 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.
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