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# Cyber Systems Security Engineering Sr - E3

- **Company:** Lockheed Martin
- **Location:** Littleton, CO, United States
- **Experience:** Expert
- **Salary:** $110,300.0 - $204,900.0
- **Contract:** Permanent contract
- **Skills:** Microsoft Word, Microsoft Excel, Software System Penetration Testing, Systems Engineering, CompTIA Security+, Cyber Security, Information Systems, Microsoft Office, Microsoft PowerPoint, Systems Architecture, Scripting, SC Clearance, Information Technology, Vulnerability Analysis, Programming Languages
- **Published:** October 31, 2026
- **Apply:** https://www.jobmonkeyjobs.com/career/28150316/Cyber-Systems-Security-Engineering-Sr-E3-Colorado-Littleton-1301

## About the Role

* Bachelor's degree in Cybersecurity, Systems Engineering, Computer Science, or a related technical field
 * Experience in cybersecurity, systems engineering, test and evaluation, systems assessment, or a related field
 * Foundational understanding of system and component functionality in a defense, aerospace, or other mission-critical environment
 * Familiarity with cybersecurity requirements, architectures, and risk management concepts
 * Experience researching, analyzing, and documenting technical problems or findings
 * Experience using Microsoft Office applications, including Word, Excel, and PowerPoint
 * Effective written and verbal communication skills, with the ability to explain technical information to varied audiences
 * Possess or be willing to obtain an Information Assurance Technical Level II certification or higher, such as CompTIA Security+
 * Active Secret clearance, with the ability to obtain and maintain a Top Secret clearance
 * Must be a U.S. citizen

Desired Skills

 * Exposure to threat analysis, cybersecurity risk assessments, or related engineering analysis
 * Familiarity with Department of Defense or Space Force cybersecurity regulations and processes
 * Exposure to Security Technical Implementation Guide (STIG) tools, vulnerability assessment tools, or the Assured Compliance Assessment Solution (ACAS)
 * Familiarity with the Defense Information Systems Agency (DISA) Enterprise Mission Assurance Support Service (eMASS)
 * Experience with cybersecurity testing, evaluation, or compliance documentation
 * Exposure to scripting or programming languages
 * Familiarity with CAMEO, Model-Based Systems Engineering (MBSE), or other systems engineering tools
 * Prior experience supporting space, missile, naval, or other weapons systems
 * Exposure to penetration testing or vulnerability assessment planning and execution
 * Ability to work independently, manage priorities, and meet schedule commitments in a deadline-driven environment
 * Self-starter with strong analytical, problem-solving, and collaboration skills

#LMSpaceCyberEng

## Description

The Fleet Ballistic Missile (FBM) program is seeking a Cybersecurity Engineer to help safeguard critical defense systems and support the resilience of strategic deterrence capabilities. In this role, you will assist with evaluating system designs, conducting cybersecurity testing and risk analysis, and communicating findings to engineering and program teams.

You will work at the intersection of systems engineering and cybersecurity, supporting assessments across system and component levels. Your work will contribute to cybersecurity design improvements, testing activities, and System Security Engineering (SSE) requirements that support the Navy's strategic defense mission., * Review systems and designs to help identify cybersecurity characteristics, concerns, and potential gaps

 * Support cybersecurity testing, evaluation, and risk analysis at the system and component levels
 * Document and communicate assessment results, trends, and recommendations to program stakeholders
 * Provide cybersecurity input to system architecture activities, security design reviews, and mitigation planning
 * Assist with developing, updating, and executing test plans related to SSE requirements
 * Research cybersecurity requirements, tools, and assessment methods applicable to defense and aerospace systems
 * Collaborate with systems engineers, software engineers, test teams, and other cross-functional partners
 * Support cybersecurity documentation and compliance activities as assigned