Cyber Systems Security Engineering Sr - E3

Posted Yesterday
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King of Prussia, PA, USA
In-Office
110K-205K Annually
Senior level
Aerospace • Security • Cybersecurity • Industrial
The Role
Designs, develops, validates, and verifies cybersecurity solutions across the systems lifecycle. Performs threat modeling, vulnerability analysis, cyber risk assessments, supply-chain risk management, security architecture, cybersecurity testing, and Assessment and Authorization activities. Supports RMF compliance, system security plans, authorization boundaries, and security oversight across hardware and software development. Requires expertise in system security engineering, Windows and Linux administration, cloud-native environments, scripting, and security assessment processes.
Summary Generated by Built In
Standard Job Description

Responsible for applying an interdisciplinary, collaborative approach to plan, design, develop, validate and verify Cyber solutions across the lifecycle. Conduct cyber risk assessment activities including threat modeling, vulnerability analysis and analysis of mitigation solutions. Coordinates and addresses Supply Chain risk management concerns. Develop, evaluate and analyze design constrains, trade-offs and detailed system and security design as they pertain to the Cyber domain. Coordinate with Cyber and system architects and developers to provide oversight in the development of solutions. Conduct cybersecurity test and evaluation of hardware and/or software designs to verify and validate compliance with defined specifications and requirements. Employs cyber security processes, methods, techniques and tools and assure their consistent application. Implements appropriate Assessment and Authorization activities as required by customers. USE OF THIS CLASSIFICATION REQUIRES AUTHORIZATION FROM THE BUSINESS AREA CYBER DIRECTOR OR DELEGATE


Responsible for applying an interdisciplinary, collaborative approach to plan, design, develop, validate and verify Cyber solutions across the lifecycle. Conduct cyber risk assessment activities including threat modeling, vulnerability analysis and analysis of mitigation solutions. Coordinates and addresses Supply Chain risk management concerns. Develop, evaluate and analyze design constrains, trade-offs and detailed system and security design as they pertain to the Cyber domain. Coordinate with Cyber and system architects and developers to provide oversight in the development of solutions. Conduct cybersecurity test and evaluation of hardware and/or software designs to verify and validate compliance with defined specifications and requirements. Employs cyber security processes, methods, techniques and tools and assure their consistent application. Implements appropriate Assessment and Authorization activities as required by customers.

Basic Qualifications

Active Top-Secret Clearance (with investigation within 5 years)
• Possess an approved DoD 8570 baseline certification for IAT Level II (CISSP, CAP, etc.).
• Understanding of System Security Engineering (SSE) principals and process.
• Understanding of Risk Management Framework (RMF) NIST SP 800-53
• Knowledge of Windows Server Operating Systems (i.e., 2019/2022)
• Knowledge of Linux Administration RedHat 9.X, 10X)
•Experience in Cloud native environments
•Bash and Shell scripting
•Assessment experience

Desired Skills

•Understanding of Argo CD
•Understanding of Kubernetes
•Understanding of Grype / Syft
•Understanding of Trivy
•Network traffic investigation
•Vulnerability and Compliance management experience
•Development of network topologies and authorization boundaries
•Jira Experience 
•Executing in AGILE environments
•System Security Plan and Body of Evidence development.
•Leadership Experience

#LMSpaceCyberEng

Pay Information

Full-Time Salary Range: $110300.00 - $204900.00

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.

Skills Required

  • Active Top Secret clearance with investigation within the past five years
  • Approved DoD 8570 baseline certification for IAT Level II, such as CISSP or CAP
  • Understanding of System Security Engineering principles and processes
  • Understanding of the Risk Management Framework and NIST SP 800-53
  • Knowledge of Windows Server operating systems, including versions 2019 and 2022
  • Knowledge of Red Hat Linux administration, versions 9 and 10
  • Experience in cloud-native environments
  • Bash and shell scripting experience
  • Security assessment experience
  • Understanding of Argo CD
  • Understanding of Kubernetes
  • Understanding of Grype and Syft
  • Understanding of Trivy
  • Network traffic investigation experience
  • Vulnerability and compliance management experience
  • Experience developing network topologies and authorization boundaries
  • Jira experience
  • Experience working in Agile environments
  • Experience developing System Security Plans and Bodies of Evidence
  • Leadership experience

Lockheed Martin Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Lockheed Martin and has not been reviewed or approved by Lockheed Martin.

  • Retirement Support — Retirement benefits are described as a standout element, with a strong 401(k) program and options like an employee stock purchase plan. Feedback suggests these features meaningfully enhance total compensation and long‑term financial security.
  • Healthcare Strength — Healthcare coverage is portrayed as comprehensive from day one, with multiple plan options, mental health resources, and virtual care. Wellness supports such as on‑site services and preventive programs are also highlighted.
  • Flexible Benefits — Work arrangements often include compressed schedules and telework, contributing to a favorable work‑life balance. Feedback suggests this flexibility is a key reason many view the overall package positively.

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The Company
HQ: Bethesda, MD
108,588 Employees
Year Founded: 1912

What We Do

Customer Focus, Innovation and Purpose are Built Into Everything We Do. Lockheed Martin. Your Mission is Ours ™. Headquartered in Bethesda, Maryland, Lockheed Martin is a global security and aerospace company principally engaged in the research, design, development, manufacture, integration and sustainment of advanced technology systems, products and services.

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