Senior Cyber Systems Security Engineer (Lifecycle Focus)

Lockheed Martin; Orlando (FL); On-site; USD 98,000 - 182,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

Flexible work arrangements

401(k) match

Paid time off

Holidays

Parental Leave

Employee Assistance Program

Education assistance

Life Insurance

Short-Term Disability

Long-Term Disability

Job summary

Lockheed Martin is seeking a Cyber Systems Security Engineer in Orlando to secure mission-critical systems across their lifecycle. You will design and test cybersecurity solutions, perform risk assessments, and collaborate with engineers to meet security requirements for DoD programs.

The role requires a DoD Secret clearance (U.S. citizen), proficiency in scripting and Linux/Windows, and familiarity with NIST 800-53, Nessus/ACAS, and DoD STIGs. Competitive salary and strong benefits are offered.

Qualifications

• Bachelor’s degree in a related field and 5+ years of experience (or Master’s with no required experience).
• Proficiency in at least one scripting language and administering Linux/Windows environments.
• Ability to obtain and maintain a DoD Secret clearance (US citizen).
• Strong documentation and communication skills; familiar with DoD security standards.

Responsibilities

• Design cybersecurity solutions spanning the system lifecycle.
• Perform risk assessments, threat modeling, and vulnerability analysis.
• Collaborate with engineers/arch professionals to address security trade-offs.
• Conduct cybersecurity testing to verify hardware/software security requirements.
• Apply established cybersecurity methodologies across projects.
• Support assessment and authorization activities per standards.

Skills

PowerShell

Python

Bash

Linux

Windows

Documentation

Written communication

DoD Secret clearance

Security+

NIST SP 800-53

Vulnerability scanning

Nessus

ACAS

Docker

Kubernetes

DevSecOps

IBM DOORS Next Generation

SysML / MBSE

Education

Bachelor’s degree in Cyber Security / Systems Engineering / Information Technology / Computer Science

Master’s degree in related discipline (optional experience not required)

Tools

Docker

Kubernetes

Nessus

ACAS

IBM DOORS Next Generation (DOORSNG)

SysML / Cameo Systems Modeler

Job description

Lockheed Martin is seeking a Cyber Systems Security Engineer in Orlando to secure mission-critical systems across their lifecycle. You will design and test cybersecurity solutions, perform risk assessments, and collaborate with engineers to meet security requirements for DoD programs.

The role requires a DoD Secret clearance (U.S. citizen), proficiency in scripting and Linux/Windows, and familiarity with NIST 800-53, Nessus/ACAS, and DoD STIGs. Competitive salary and strong benefits are offered.